From 32b3a7d1d0dd81f128b3cdfa07c87748892015db Mon Sep 17 00:00:00 2001
From: Matti Nannt <mail@matthiasnannt.com>
Date: Wed, 7 Aug 2024 16:57:13 +0200
Subject: [PATCH] fix: add data-migration fixing invalid jump end jump
 destination (#2972)

---
 .gitignore                                    |   2 +-
 .../app/self-hosting/migration-guide/page.mdx |  16 +-
 .../components/ConnectWithFormbricks.tsx      |   1 -
 .../edit/components/QuestionsView.tsx         |  10 +-
 .../app/sync/[userId]/route.ts                |  18 +-
 .../[environmentId]/app/sync/lib/utils.ts     |   6 +-
 .../[environmentId]/website/sync/route.ts     |  20 +-
 .../app/api/v1/management/surveys/route.ts    |   8 -
 .../data-migration-fix.ts                     |   8 +-
 .../data-migration-range-fix.ts               |   1 +
 .../data-migration-welcomeCard-fix.ts         |   1 +
 .../data-migration.ts                         |   1 +
 .../lib/i18n.ts                               |  59 ++---
 .../data-migration.ts                         | 111 ++++++++
 packages/database/json-types.ts               |   4 +-
 packages/database/package.json                |   3 +-
 packages/database/schema.prisma               |   2 +
 packages/database/zod-utils.ts                |   1 +
 .../components/multi-language-card.tsx        |   5 +-
 packages/lib/display/service.ts               | 119 ---------
 .../lib/display/tests/__mocks__/data.mock.ts  |  21 --
 packages/lib/display/tests/display.test.ts    |  91 -------
 packages/lib/i18n/i18n.mock.ts                |  14 +-
 packages/lib/i18n/i18n.test.ts                |  36 +--
 packages/lib/i18n/reverseTranslation.ts       |   7 +-
 packages/lib/i18n/utils.ts                    | 250 +-----------------
 packages/lib/response/service.ts              |  80 +-----
 .../lib/response/tests/__mocks__/data.mock.ts |   3 +
 packages/lib/response/tests/response.test.ts  |  35 +--
 packages/lib/survey/service.ts                |  23 +-
 packages/lib/survey/utils.ts                  |  18 +-
 packages/types/actions.ts                     |  10 -
 packages/types/displays.ts                    |  15 --
 packages/types/js.ts                          |  38 +--
 packages/types/legacy-surveys.ts              | 196 --------------
 packages/types/product.ts                     |  27 --
 packages/types/responses.ts                   |   6 -
 packages/types/surveys/types.ts               |  27 +-
 packages/types/templates.ts                   |  17 --
 packages/types/tsconfig.json                  |   2 +-
 40 files changed, 235 insertions(+), 1077 deletions(-)
 create mode 100644 packages/database/data-migrations/20240806120500_fix-logic-end-destination/data-migration.ts
 delete mode 100644 packages/types/legacy-surveys.ts

diff --git a/.gitignore b/.gitignore
index 39125d0f178d..b61831675431 100644
--- a/.gitignore
+++ b/.gitignore
@@ -56,5 +56,5 @@ Zone.Identifier
 packages/lib/uploads
 
 # Vite Timestamps
-vite.config.*.timestamp-*
+*vite.config.*.timestamp-*
 
diff --git a/apps/docs/app/self-hosting/migration-guide/page.mdx b/apps/docs/app/self-hosting/migration-guide/page.mdx
index 66cba21c672e..16836ef8ec6c 100644
--- a/apps/docs/app/self-hosting/migration-guide/page.mdx
+++ b/apps/docs/app/self-hosting/migration-guide/page.mdx
@@ -191,12 +191,12 @@ docker compose up -d
 <CodeGroup title="Migrate the data">
 
 ```bash
-docker pull ghcr.io/formbricks/data-migrations:latest && \
+docker pull ghcr.io/formbricks/data-migrations:v2.3.0 && \
 docker run --rm \
   --network=formbricks_default \
   -e DATABASE_URL="postgresql://postgres:postgres@postgres:5432/formbricks?schema=public" \
   -e UPGRADE_TO_VERSION="v2.3" \
-  ghcr.io/formbricks/data-migrations:latest
+  ghcr.io/formbricks/data-migrations:v2.3.0
 ```
 
 </CodeGroup>
@@ -286,12 +286,12 @@ docker compose up -d
 <CodeGroup title="Migrate the data">
 
 ```bash
-docker pull ghcr.io/formbricks/data-migrations:latest && \
+docker pull ghcr.io/formbricks/data-migrations:v2.2 && \
 docker run --rm \
   --network=formbricks_default \
   -e DATABASE_URL="postgresql://postgres:postgres@postgres:5432/formbricks?schema=public" \
   -e UPGRADE_TO_VERSION="v2.2" \
-  ghcr.io/formbricks/data-migrations:latest
+  ghcr.io/formbricks/data-migrations:v2.2
 ```
 
 </CodeGroup>
@@ -390,12 +390,12 @@ docker compose up -d
 <CodeGroup title="Migrate the data">
 
 ```bash
-docker pull ghcr.io/formbricks/data-migrations:latest && \
+docker pull ghcr.io/formbricks/data-migrations:v2.1.0 && \
 docker run --rm \
   --network=formbricks_default \
   -e DATABASE_URL="postgresql://postgres:postgres@postgres:5432/formbricks?schema=public" \
   -e UPGRADE_TO_VERSION="v2.1" \
-  ghcr.io/formbricks/data-migrations:latest
+  ghcr.io/formbricks/data-migrations:v2.1.0
 ```
 
 </CodeGroup>
@@ -504,12 +504,12 @@ docker compose up -d
 <CodeGroup title="Migrate the data">
 
 ```bash
-docker pull ghcr.io/formbricks/data-migrations:latest && \
+docker pull ghcr.io/formbricks/data-migrations:v2.0.3 && \
 docker run --rm \
   --network=formbricks_default \
   -e DATABASE_URL="postgresql://postgres:postgres@postgres:5432/formbricks?schema=public" \
   -e UPGRADE_TO_VERSION="v2.0" \
-  ghcr.io/formbricks/data-migrations:latest
+  ghcr.io/formbricks/data-migrations:v2.0.3
 ```
 
 </CodeGroup>
diff --git a/apps/web/app/(app)/(onboarding)/environments/[environmentId]/connect/components/ConnectWithFormbricks.tsx b/apps/web/app/(app)/(onboarding)/environments/[environmentId]/connect/components/ConnectWithFormbricks.tsx
index 6af1fc20f810..d8235cf018f0 100644
--- a/apps/web/app/(app)/(onboarding)/environments/[environmentId]/connect/components/ConnectWithFormbricks.tsx
+++ b/apps/web/app/(app)/(onboarding)/environments/[environmentId]/connect/components/ConnectWithFormbricks.tsx
@@ -82,7 +82,6 @@ export const ConnectWithFormbricks = ({
       </div>
       <Button
         id="finishOnboarding"
-        className="text-slate-400 hover:text-slate-700"
         variant={widgetSetupCompleted ? "primary" : "minimal"}
         onClick={handleFinishOnboarding}
         EndIcon={ArrowRight}>
diff --git a/apps/web/app/(app)/(survey-editor)/environments/[environmentId]/surveys/[surveyId]/edit/components/QuestionsView.tsx b/apps/web/app/(app)/(survey-editor)/environments/[environmentId]/surveys/[surveyId]/edit/components/QuestionsView.tsx
index 583144bf1024..b2035f596405 100644
--- a/apps/web/app/(app)/(survey-editor)/environments/[environmentId]/surveys/[surveyId]/edit/components/QuestionsView.tsx
+++ b/apps/web/app/(app)/(survey-editor)/environments/[environmentId]/surveys/[surveyId]/edit/components/QuestionsView.tsx
@@ -14,7 +14,7 @@ import { createId } from "@paralleldrive/cuid2";
 import React, { SetStateAction, useEffect, useMemo, useState } from "react";
 import toast from "react-hot-toast";
 import { MultiLanguageCard } from "@formbricks/ee/multi-language/components/multi-language-card";
-import { extractLanguageCodes, getLocalizedValue, translateQuestion } from "@formbricks/lib/i18n/utils";
+import { getLocalizedValue } from "@formbricks/lib/i18n/utils";
 import { structuredClone } from "@formbricks/lib/pollyfills/structuredClone";
 import { getDefaultEndingCard } from "@formbricks/lib/templates";
 import { checkForEmptyFallBackValue, extractRecallInfo } from "@formbricks/lib/utils/recall";
@@ -258,18 +258,16 @@ export const QuestionsView = ({
     toast.success("Question duplicated.");
   };
 
-  const addQuestion = (question: any, index?: number) => {
+  const addQuestion = (question: TSurveyQuestion, index?: number) => {
     const updatedSurvey = { ...localSurvey };
     if (backButtonLabel) {
       question.backButtonLabel = backButtonLabel;
     }
-    const languageSymbols = extractLanguageCodes(localSurvey.languages);
-    const translatedQuestion = translateQuestion(question, languageSymbols);
 
     if (index) {
-      updatedSurvey.questions.splice(index, 0, { ...translatedQuestion, isDraft: true });
+      updatedSurvey.questions.splice(index, 0, { ...question, isDraft: true });
     } else {
-      updatedSurvey.questions.push({ ...translatedQuestion, isDraft: true });
+      updatedSurvey.questions.push({ ...question, isDraft: true });
     }
 
     setLocalSurvey(updatedSurvey);
diff --git a/apps/web/app/api/v1/client/[environmentId]/app/sync/[userId]/route.ts b/apps/web/app/api/v1/client/[environmentId]/app/sync/[userId]/route.ts
index 9660b85814d8..1bc43291a2ed 100644
--- a/apps/web/app/api/v1/client/[environmentId]/app/sync/[userId]/route.ts
+++ b/apps/web/app/api/v1/client/[environmentId]/app/sync/[userId]/route.ts
@@ -21,11 +21,10 @@ import {
 } from "@formbricks/lib/posthogServer";
 import { getProductByEnvironmentId } from "@formbricks/lib/product/service";
 import { COLOR_DEFAULTS } from "@formbricks/lib/styling/constants";
-import { getSyncSurveys, transformToLegacySurvey } from "@formbricks/lib/survey/service";
+import { getSyncSurveys } from "@formbricks/lib/survey/service";
+import { transformToLegacySurvey } from "@formbricks/lib/survey/utils";
 import { isVersionGreaterThanOrEqualTo } from "@formbricks/lib/utils/version";
-import { TJsAppLegacyStateSync, TJsAppStateSync, ZJsPeopleUserIdInput } from "@formbricks/types/js";
-import { TLegacySurvey } from "@formbricks/types/legacy-surveys";
-import { TProductLegacy } from "@formbricks/types/product";
+import { TJsAppStateSync, ZJsPeopleUserIdInput } from "@formbricks/types/js";
 import { TSurvey } from "@formbricks/types/surveys/types";
 
 export const OPTIONS = async (): Promise<Response> => {
@@ -181,7 +180,7 @@ export const GET = async (
       throw new Error("Product not found");
     }
 
-    const updatedProduct: TProductLegacy = {
+    const updatedProduct: any = {
       ...product,
       brandColor: product.styling.brandColor?.light ?? COLOR_DEFAULTS.brandColor,
       ...(product.styling.highlightBorderColor?.light && {
@@ -194,10 +193,10 @@ export const GET = async (
 
     // Scenario 1: Multi language and updated trigger action classes supported.
     // Use the surveys as they are.
-    let transformedSurveys: TLegacySurvey[] | TSurvey[] = surveys;
+    let transformedSurveys: TSurvey[] = surveys;
 
     // creating state object
-    let state: TJsAppStateSync | TJsAppLegacyStateSync = {
+    let state: TJsAppStateSync = {
       surveys: !isMonthlyResponsesLimitReached
         ? transformedSurveys.map((survey) => replaceAttributeRecall(survey, attributes))
         : [],
@@ -212,13 +211,13 @@ export const GET = async (
       // Convert to legacy surveys with default language
       // convert triggers to array of actionClasses Names
       transformedSurveys = await Promise.all(
-        surveys.map((survey: TSurvey | TLegacySurvey) => {
+        surveys.map((survey) => {
           const languageCode = "default";
           return transformToLegacySurvey(survey as TSurvey, languageCode);
         })
       );
 
-      state = {
+      const legacyState: any = {
         surveys: !isMonthlyResponsesLimitReached
           ? transformedSurveys.map((survey) => replaceAttributeRecallInLegacySurveys(survey, attributes))
           : [],
@@ -227,6 +226,7 @@ export const GET = async (
         language,
         product: updatedProduct,
       };
+      return responses.successResponse({ ...legacyState }, true);
     }
 
     return responses.successResponse({ ...state }, true);
diff --git a/apps/web/app/api/v1/client/[environmentId]/app/sync/lib/utils.ts b/apps/web/app/api/v1/client/[environmentId]/app/sync/lib/utils.ts
index 9d45655901ae..696ef1f4b45e 100644
--- a/apps/web/app/api/v1/client/[environmentId]/app/sync/lib/utils.ts
+++ b/apps/web/app/api/v1/client/[environmentId]/app/sync/lib/utils.ts
@@ -1,6 +1,5 @@
 import { parseRecallInfo } from "@formbricks/lib/utils/recall";
 import { TAttributes } from "@formbricks/types/attributes";
-import { TLegacySurvey } from "@formbricks/types/legacy-surveys";
 import { TSurvey } from "@formbricks/types/surveys/types";
 
 export const replaceAttributeRecall = (survey: TSurvey, attributes: TAttributes): TSurvey => {
@@ -42,10 +41,7 @@ export const replaceAttributeRecall = (survey: TSurvey, attributes: TAttributes)
   return surveyTemp;
 };
 
-export const replaceAttributeRecallInLegacySurveys = (
-  survey: TLegacySurvey,
-  attributes: TAttributes
-): TLegacySurvey => {
+export const replaceAttributeRecallInLegacySurveys = (survey: any, attributes: TAttributes): any => {
   const surveyTemp = structuredClone(survey);
   surveyTemp.questions.forEach((question) => {
     if (question.headline.includes("recall:")) {
diff --git a/apps/web/app/api/v1/client/[environmentId]/website/sync/route.ts b/apps/web/app/api/v1/client/[environmentId]/website/sync/route.ts
index c168e09a4909..f16c2fad2899 100644
--- a/apps/web/app/api/v1/client/[environmentId]/website/sync/route.ts
+++ b/apps/web/app/api/v1/client/[environmentId]/website/sync/route.ts
@@ -14,11 +14,10 @@ import {
 } from "@formbricks/lib/posthogServer";
 import { getProductByEnvironmentId } from "@formbricks/lib/product/service";
 import { COLOR_DEFAULTS } from "@formbricks/lib/styling/constants";
-import { getSurveys, transformToLegacySurvey } from "@formbricks/lib/survey/service";
+import { getSurveys } from "@formbricks/lib/survey/service";
+import { transformToLegacySurvey } from "@formbricks/lib/survey/utils";
 import { isVersionGreaterThanOrEqualTo } from "@formbricks/lib/utils/version";
-import { TJsWebsiteLegacyStateSync, TJsWebsiteStateSync, ZJsWebsiteSyncInput } from "@formbricks/types/js";
-import { TLegacySurvey } from "@formbricks/types/legacy-surveys";
-import { TProductLegacy } from "@formbricks/types/product";
+import { TJsWebsiteStateSync, ZJsWebsiteSyncInput } from "@formbricks/types/js";
 import { TSurvey } from "@formbricks/types/surveys/types";
 
 export const OPTIONS = async (): Promise<Response> => {
@@ -122,7 +121,7 @@ export const GET = async (
       // && (!survey.segment || survey.segment.filters.length === 0)
     );
 
-    const updatedProduct: TProductLegacy = {
+    const updatedProduct: any = {
       ...product,
       brandColor: product.styling.brandColor?.light ?? COLOR_DEFAULTS.brandColor,
       ...(product.styling.highlightBorderColor?.light && {
@@ -133,8 +132,8 @@ export const GET = async (
     const noCodeActionClasses = actionClasses.filter((actionClass) => actionClass.type === "noCode");
 
     // Define 'transformedSurveys' which can be an array of either TLegacySurvey or TSurvey.
-    let transformedSurveys: TLegacySurvey[] | TSurvey[] = filteredSurveys;
-    let state: TJsWebsiteStateSync | TJsWebsiteLegacyStateSync = {
+    let transformedSurveys: TSurvey[] = filteredSurveys;
+    let state: TJsWebsiteStateSync = {
       surveys: !isWebsiteSurveyResponseLimitReached ? transformedSurveys : [],
       actionClasses,
       product: updatedProduct,
@@ -152,11 +151,16 @@ export const GET = async (
         })
       );
 
-      state = {
+      const legacyState: any = {
         surveys: isWebsiteSurveyResponseLimitReached ? [] : transformedSurveys,
         noCodeActionClasses,
         product: updatedProduct,
       };
+      return responses.successResponse(
+        { ...legacyState },
+        true,
+        "public, s-maxage=600, max-age=840, stale-while-revalidate=600, stale-if-error=600"
+      );
     }
 
     return responses.successResponse(
diff --git a/apps/web/app/api/v1/management/surveys/route.ts b/apps/web/app/api/v1/management/surveys/route.ts
index c93d17bc5471..2cb57318f69f 100644
--- a/apps/web/app/api/v1/management/surveys/route.ts
+++ b/apps/web/app/api/v1/management/surveys/route.ts
@@ -1,7 +1,6 @@
 import { authenticateRequest } from "@/app/api/v1/auth";
 import { responses } from "@/app/lib/api/response";
 import { transformErrorToDetails } from "@/app/lib/api/validator";
-import { translateSurvey } from "@formbricks/lib/i18n/utils";
 import { createSurvey, getSurveys } from "@formbricks/lib/survey/service";
 import { DatabaseError } from "@formbricks/types/errors";
 import { ZSurveyCreateInput } from "@formbricks/types/surveys/types";
@@ -38,13 +37,6 @@ export const POST = async (request: Request): Promise<Response> => {
       return responses.badRequestResponse("Malformed JSON input, please check your request body");
     }
 
-    if (surveyInput?.questions && surveyInput.questions[0].headline) {
-      const questionHeadline = surveyInput.questions[0].headline;
-      if (typeof questionHeadline === "string") {
-        // its a legacy survey
-        surveyInput = translateSurvey(surveyInput, []);
-      }
-    }
     const inputValidation = ZSurveyCreateInput.safeParse(surveyInput);
 
     if (!inputValidation.success) {
diff --git a/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/data-migration-fix.ts b/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/data-migration-fix.ts
index e4da6598b8f7..4edb991f6c33 100644
--- a/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/data-migration-fix.ts
+++ b/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/data-migration-fix.ts
@@ -1,3 +1,4 @@
+/* eslint-disable -- leacy support workaround for now to avoid rewrite after eslint rules have been changed */
 // migration script to translate surveys where thankYouCard buttonLabel is a string or question subheaders are strings
 import { PrismaClient } from "@prisma/client";
 import { hasStringSubheaders, translateSurvey } from "./lib/i18n";
@@ -8,7 +9,7 @@ const main = async () => {
   await prisma.$transaction(
     async (tx) => {
       // Translate Surveys
-      const surveys = await tx.survey.findMany({
+      const surveys: any = await tx.survey.findMany({
         select: {
           id: true,
           questions: true,
@@ -17,11 +18,6 @@ const main = async () => {
         },
       });
 
-      if (!surveys) {
-        // stop the migration if there are no surveys
-        return;
-      }
-
       for (const survey of surveys) {
         if (typeof survey.thankYouCard.buttonLabel === "string" || hasStringSubheaders(survey.questions)) {
           const translatedSurvey = translateSurvey(survey, []);
diff --git a/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/data-migration-range-fix.ts b/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/data-migration-range-fix.ts
index a4164e246648..fc7b6f36a83e 100644
--- a/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/data-migration-range-fix.ts
+++ b/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/data-migration-range-fix.ts
@@ -1,3 +1,4 @@
+/* eslint-disable -- leacy support workaround for now to avoid rewrite after eslint rules have been changed */
 // migration script to convert range field in rating question from string to number
 import { PrismaClient } from "@prisma/client";
 
diff --git a/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/data-migration-welcomeCard-fix.ts b/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/data-migration-welcomeCard-fix.ts
index 400d466163e3..af3a9bf94dfe 100644
--- a/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/data-migration-welcomeCard-fix.ts
+++ b/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/data-migration-welcomeCard-fix.ts
@@ -1,3 +1,4 @@
+/* eslint-disable -- leacy support workaround for now to avoid rewrite after eslint rules have been changed */
 // migration script to add empty strings to welcome card headline in default language, if it does not exist
 // WelcomeCard.headline = {} -> WelcomeCard.headline = {"default":""}
 import { PrismaClient } from "@prisma/client";
diff --git a/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/data-migration.ts b/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/data-migration.ts
index ac55b2ecc791..969869352cb4 100644
--- a/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/data-migration.ts
+++ b/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/data-migration.ts
@@ -1,3 +1,4 @@
+/* eslint-disable -- leacy support workaround for now to avoid rewrite after eslint rules have been changed */
 import { PrismaClient } from "@prisma/client";
 import { AttributeType } from "@prisma/client";
 import { translateSurvey } from "./lib/i18n";
diff --git a/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/lib/i18n.ts b/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/lib/i18n.ts
index 59fa57de9ee6..d4cfa2daa68b 100644
--- a/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/lib/i18n.ts
+++ b/packages/database/data-migrations/20240318050527_add_languages_and_survey_languages/lib/i18n.ts
@@ -1,24 +1,17 @@
+/* eslint-disable -- leacy support workaround for now to avoid rewrite after eslint rules have been changed */
+import { type TLanguage } from "@formbricks/types/product";
 import {
-  TLegacySurveyChoice,
-  TLegacySurveyQuestion,
-  TLegacySurveyThankYouCard,
-  TLegacySurveyWelcomeCard,
-} from "@formbricks/types/legacy-surveys";
-import { TLanguage } from "@formbricks/types/product";
-import {
-  TI18nString,
-  TSurvey,
-  TSurveyCTAQuestion,
-  TSurveyChoice,
-  TSurveyConsentQuestion,
-  TSurveyMultipleChoiceQuestion,
-  TSurveyNPSQuestion,
-  TSurveyOpenTextQuestion,
-  TSurveyQuestion,
-  TSurveyQuestions,
-  TSurveyRatingQuestion,
-  TSurveyThankYouCard,
-  TSurveyWelcomeCard,
+  type TI18nString,
+  type TSurveyCTAQuestion,
+  type TSurveyChoice,
+  type TSurveyConsentQuestion,
+  type TSurveyMultipleChoiceQuestion,
+  type TSurveyNPSQuestion,
+  type TSurveyOpenTextQuestion,
+  type TSurveyQuestion,
+  type TSurveyQuestions,
+  type TSurveyRatingQuestion,
+  type TSurveyWelcomeCard,
   ZSurveyCTAQuestion,
   ZSurveyCalQuestion,
   ZSurveyConsentQuestion,
@@ -29,7 +22,6 @@ import {
   ZSurveyPictureSelectionQuestion,
   ZSurveyQuestion,
   ZSurveyRatingQuestion,
-  ZSurveyThankYouCard,
   ZSurveyWelcomeCard,
 } from "@formbricks/types/surveys/types";
 
@@ -71,7 +63,7 @@ export const createI18nString = (text: string | TI18nString, languages: string[]
 };
 
 // Function to translate a choice label
-const translateChoice = (choice: TSurveyChoice | TLegacySurveyChoice, languages: string[]): TSurveyChoice => {
+const translateChoice = (choice: TSurveyChoice, languages: string[]): TSurveyChoice => {
   if (typeof choice.label !== "undefined") {
     return {
       ...choice,
@@ -86,7 +78,7 @@ const translateChoice = (choice: TSurveyChoice | TLegacySurveyChoice, languages:
 };
 
 export const translateWelcomeCard = (
-  welcomeCard: TSurveyWelcomeCard | TLegacySurveyWelcomeCard,
+  welcomeCard: TSurveyWelcomeCard,
   languages: string[]
 ): TSurveyWelcomeCard => {
   const clonedWelcomeCard = structuredClone(welcomeCard);
@@ -103,10 +95,7 @@ export const translateWelcomeCard = (
   return ZSurveyWelcomeCard.parse(clonedWelcomeCard);
 };
 
-const translateThankYouCard = (
-  thankYouCard: TSurveyThankYouCard | TLegacySurveyThankYouCard,
-  languages: string[]
-): TSurveyThankYouCard => {
+const translateThankYouCard = (thankYouCard: any, languages: string[]): any => {
   const clonedThankYouCard = structuredClone(thankYouCard);
 
   if (typeof thankYouCard.headline !== "undefined") {
@@ -120,14 +109,11 @@ const translateThankYouCard = (
   if (typeof clonedThankYouCard.buttonLabel !== "undefined") {
     clonedThankYouCard.buttonLabel = createI18nString(thankYouCard.buttonLabel ?? "", languages);
   }
-  return ZSurveyThankYouCard.parse(clonedThankYouCard);
+  return clonedThankYouCard;
 };
 
 // Function that will translate a single question
-const translateQuestion = (
-  question: TLegacySurveyQuestion | TSurveyQuestion,
-  languages: string[]
-): TSurveyQuestion => {
+const translateQuestion = (question: TSurveyQuestion, languages: string[]): TSurveyQuestion => {
   // Clone the question to avoid mutating the original
   const clonedQuestion = structuredClone(question);
 
@@ -250,12 +236,9 @@ export const extractLanguageIds = (languages: TLanguage[]): string[] => {
   return languages.map((language) => language.id);
 };
 
-// Function to translate an entire survey
-export const translateSurvey = (
-  survey: Pick<TSurvey, "questions" | "welcomeCard" | "thankYouCard">,
-  languageCodes: string[]
-): Pick<TSurvey, "questions" | "welcomeCard" | "thankYouCard"> => {
-  const translatedQuestions = survey.questions.map((question) => {
+// Function to translate an entire survey (from old survey format to new survey format)
+export const translateSurvey = (survey: any, languageCodes: string[]) => {
+  const translatedQuestions = survey.questions.map((question: any) => {
     return translateQuestion(question, languageCodes);
   });
   const translatedWelcomeCard = translateWelcomeCard(survey.welcomeCard, languageCodes);
diff --git a/packages/database/data-migrations/20240806120500_fix-logic-end-destination/data-migration.ts b/packages/database/data-migrations/20240806120500_fix-logic-end-destination/data-migration.ts
new file mode 100644
index 000000000000..48ea52ff151e
--- /dev/null
+++ b/packages/database/data-migrations/20240806120500_fix-logic-end-destination/data-migration.ts
@@ -0,0 +1,111 @@
+/* eslint-disable no-console -- logging is allowed in migration scripts */
+import { PrismaClient } from "@prisma/client";
+import { type TSurveyEnding, type TSurveyQuestion } from "@formbricks/types/surveys/types";
+
+const prisma = new PrismaClient();
+
+async function runMigration(): Promise<void> {
+  await prisma.$transaction(
+    async (tx) => {
+      const startTime = Date.now();
+      console.log("Starting data migration...");
+
+      // Fetch all surveys
+      const surveys: { id: string; questions: TSurveyQuestion[]; endings: TSurveyEnding[] }[] =
+        await tx.survey.findMany({
+          select: {
+            id: true,
+            questions: true,
+            endings: true,
+          },
+        });
+
+      if (surveys.length === 0) {
+        // Stop the migration if there are no surveys
+        console.log("No Surveys found");
+        return;
+      }
+
+      // Get all surveys that have a logic rule that has "end" as the destination
+      const surveysWithEndDestination = surveys.filter((survey) =>
+        survey.questions.some((question) => question.logic?.some((rule) => rule.destination === "end"))
+      );
+
+      console.log(`Total surveys to update found: ${surveysWithEndDestination.length.toString()}`);
+
+      let transformedSurveyCount = 0;
+
+      const updatePromises = surveysWithEndDestination.map((survey) => {
+        const updatedSurvey = structuredClone(survey);
+
+        // Remove logic rule if there are no endings
+        if (updatedSurvey.endings.length === 0) {
+          // remove logic rule if there are no endings
+          updatedSurvey.questions.forEach((question) => {
+            if (typeof question.logic === "undefined") {
+              return;
+            }
+            question.logic.forEach((rule, index) => {
+              if (rule.destination === "end") {
+                if (question.logic) question.logic.splice(index, 1);
+              }
+            });
+          });
+        }
+        // get id of first ending
+        const firstEnding = survey.endings[0];
+
+        // replace logic destination with ending id
+        updatedSurvey.questions.forEach((question) => {
+          if (typeof question.logic === "undefined") {
+            return;
+          }
+          question.logic.forEach((rule) => {
+            if (rule.destination === "end") {
+              rule.destination = firstEnding.id;
+            }
+          });
+        });
+
+        transformedSurveyCount++;
+
+        // Return the update promise
+        return tx.survey.update({
+          where: { id: survey.id },
+          data: {
+            questions: updatedSurvey.questions,
+          },
+        });
+      });
+
+      await Promise.all(updatePromises);
+
+      console.log(`${transformedSurveyCount.toString()} surveys transformed`);
+      const endTime = Date.now();
+      console.log(`Data migration completed. Total time: ${((endTime - startTime) / 1000).toString()}s`);
+    },
+    {
+      timeout: 180000, // 3 minutes
+    }
+  );
+}
+
+function handleError(error: unknown): void {
+  console.error("An error occurred during migration:", error);
+  process.exit(1);
+}
+
+function handleDisconnectError(): void {
+  console.error("Failed to disconnect Prisma client");
+  process.exit(1);
+}
+
+function main(): void {
+  runMigration()
+    .catch(handleError)
+    .finally(() => {
+      prisma.$disconnect().catch(handleDisconnectError);
+    });
+}
+
+main();
diff --git a/packages/database/json-types.ts b/packages/database/json-types.ts
index afbbdebf0908..16e95507f26a 100644
--- a/packages/database/json-types.ts
+++ b/packages/database/json-types.ts
@@ -11,7 +11,7 @@ import {
 import { type TBaseFilters } from "@formbricks/types/segment";
 import {
   type TSurveyClosedMessage,
-  type TSurveyEndings,
+  type TSurveyEnding,
   type TSurveyHiddenFields,
   type TSurveyProductOverwrites,
   type TSurveyQuestions,
@@ -32,7 +32,7 @@ declare global {
     export type ResponsePersonAttributes = TResponsePersonAttributes;
     export type SurveyWelcomeCard = TSurveyWelcomeCard;
     export type SurveyQuestions = TSurveyQuestions;
-    export type SurveyEndings = TSurveyEndings;
+    export type SurveyEnding = TSurveyEnding;
     export type SurveyHiddenFields = TSurveyHiddenFields;
     export type SurveyProductOverwrites = TSurveyProductOverwrites;
     export type SurveyStyling = TSurveyStyling;
diff --git a/packages/database/package.json b/packages/database/package.json
index b7aa693688ff..42a256d09722 100644
--- a/packages/database/package.json
+++ b/packages/database/package.json
@@ -44,7 +44,8 @@
     "data-migration:segments-cleanup": "ts-node ./data-migrations/20240712123456_segments_cleanup/data-migration.ts",
     "data-migration:multiple-endings": "ts-node ./data-migrations/20240801120500_thankYouCard_to_endings/data-migration.ts",
     "data-migration:simplified-email-verification": "ts-node ./data-migrations/20240726124100_replace_verifyEmail_with_isVerifyEmailEnabled/data-migration.ts",
-    "data-migration:v2.4": "pnpm data-migration:segments-cleanup && pnpm data-migration:multiple-endings && pnpm data-migration:simplified-email-verification"
+    "data-migration:fix-logic-end-destination": "ts-node ./data-migrations/20240806120500_fix-logic-end-destination/data-migration.ts",
+    "data-migration:v2.4": "pnpm data-migration:segments-cleanup && pnpm data-migration:multiple-endings && pnpm data-migration:simplified-email-verification && pnpm data-migration:fix-logic-end-destination"
   },
   "dependencies": {
     "@prisma/client": "^5.17.0",
diff --git a/packages/database/schema.prisma b/packages/database/schema.prisma
index 640dc86b9855..32d544a3cd3b 100644
--- a/packages/database/schema.prisma
+++ b/packages/database/schema.prisma
@@ -271,6 +271,8 @@ model Survey {
   /// @zod.custom(imports.ZSurveyQuestions)
   /// [SurveyQuestions]
   questions           Json                    @default("[]")
+  /// @zod.custom(imports.ZSurveyEnding)
+  /// [SurveyEnding]
   endings             Json[]                  @default([])
   thankYouCard        Json? //deprecated            
   /// @zod.custom(imports.ZSurveyHiddenFields)
diff --git a/packages/database/zod-utils.ts b/packages/database/zod-utils.ts
index 7be81acf2c22..21a869b44574 100644
--- a/packages/database/zod-utils.ts
+++ b/packages/database/zod-utils.ts
@@ -20,6 +20,7 @@ export {
   ZSurveyStyling,
   ZSurveySingleUse,
   ZSurveyInlineTriggers,
+  ZSurveyEnding,
 } from "@formbricks/types/surveys/types";
 
 export { ZSegmentFilters } from "@formbricks/types/segment";
diff --git a/packages/ee/multi-language/components/multi-language-card.tsx b/packages/ee/multi-language/components/multi-language-card.tsx
index d724dfd5b0d0..f28c2297b1eb 100644
--- a/packages/ee/multi-language/components/multi-language-card.tsx
+++ b/packages/ee/multi-language/components/multi-language-card.tsx
@@ -6,7 +6,6 @@ import Link from "next/link";
 import type { FC } from "react";
 import { useState } from "react";
 import { cn } from "@formbricks/lib/cn";
-import { extractLanguageCodes, translateSurvey } from "@formbricks/lib/i18n/utils";
 import type { TLanguage, TProduct } from "@formbricks/types/product";
 import type { TSurvey, TSurveyLanguage } from "@formbricks/types/surveys/types";
 import { AdvancedOptionToggle } from "@formbricks/ui/AdvancedOptionToggle";
@@ -74,9 +73,7 @@ export const MultiLanguageCard: FC<MultiLanguageCardProps> = ({
   };
 
   const updateSurveyTranslations = (survey: TSurvey, updatedLanguages: TSurveyLanguage[]) => {
-    const translatedSurveyResult = translateSurvey(survey, extractLanguageCodes(updatedLanguages));
-
-    const updatedSurvey = { ...translatedSurveyResult, languages: updatedLanguages };
+    const updatedSurvey = { ...survey, languages: updatedLanguages };
     setLocalSurvey(updatedSurvey as TSurvey);
   };
 
diff --git a/packages/lib/display/service.ts b/packages/lib/display/service.ts
index 1245e96e7268..75f798d13e03 100644
--- a/packages/lib/display/service.ts
+++ b/packages/lib/display/service.ts
@@ -7,12 +7,8 @@ import {
   TDisplay,
   TDisplayCreateInput,
   TDisplayFilters,
-  TDisplayLegacyCreateInput,
-  TDisplayLegacyUpdateInput,
   TDisplayUpdateInput,
   ZDisplayCreateInput,
-  ZDisplayLegacyCreateInput,
-  ZDisplayLegacyUpdateInput,
   ZDisplayUpdateInput,
 } from "@formbricks/types/displays";
 import { ZId } from "@formbricks/types/environment";
@@ -115,47 +111,6 @@ export const updateDisplay = async (
   }
 };
 
-export const updateDisplayLegacy = async (
-  displayId: string,
-  displayInput: TDisplayLegacyUpdateInput
-): Promise<TDisplay> => {
-  validateInputs([displayInput, ZDisplayLegacyUpdateInput]);
-  try {
-    const data = {
-      ...(displayInput.personId && {
-        person: {
-          connect: {
-            id: displayInput.personId,
-          },
-        },
-      }),
-      ...(displayInput.responseId && {
-        responseId: displayInput.responseId,
-      }),
-    };
-    const display = await prisma.display.update({
-      where: {
-        id: displayId,
-      },
-      data,
-      select: selectDisplay,
-    });
-    displayCache.revalidate({
-      id: display.id,
-      surveyId: display.surveyId,
-    });
-
-    return display;
-  } catch (error) {
-    console.error(error);
-    if (error instanceof Prisma.PrismaClientKnownRequestError) {
-      throw new DatabaseError(error.message);
-    }
-
-    throw error;
-  }
-};
-
 export const createDisplay = async (displayInput: TDisplayCreateInput): Promise<TDisplay> => {
   validateInputs([displayInput, ZDisplayCreateInput]);
 
@@ -201,80 +156,6 @@ export const createDisplay = async (displayInput: TDisplayCreateInput): Promise<
   }
 };
 
-export const createDisplayLegacy = async (displayInput: TDisplayLegacyCreateInput): Promise<TDisplay> => {
-  validateInputs([displayInput, ZDisplayLegacyCreateInput]);
-  try {
-    const display = await prisma.display.create({
-      data: {
-        survey: {
-          connect: {
-            id: displayInput.surveyId,
-          },
-        },
-
-        ...(displayInput.personId && {
-          person: {
-            connect: {
-              id: displayInput.personId,
-            },
-          },
-        }),
-      },
-      select: selectDisplay,
-    });
-
-    displayCache.revalidate({
-      id: display.id,
-      personId: display.personId,
-      surveyId: display.surveyId,
-    });
-
-    return display;
-  } catch (error) {
-    if (error instanceof Prisma.PrismaClientKnownRequestError) {
-      throw new DatabaseError(error.message);
-    }
-
-    throw error;
-  }
-};
-
-export const markDisplayRespondedLegacy = async (displayId: string): Promise<TDisplay> => {
-  validateInputs([displayId, ZId]);
-
-  try {
-    if (!displayId) throw new Error("Display ID is required");
-
-    const display = await prisma.display.update({
-      where: {
-        id: displayId,
-      },
-      data: {
-        status: "responded",
-      },
-      select: selectDisplay,
-    });
-
-    if (!display) {
-      throw new ResourceNotFoundError("Display", displayId);
-    }
-
-    displayCache.revalidate({
-      id: display.id,
-      personId: display.personId,
-      surveyId: display.surveyId,
-    });
-
-    return display;
-  } catch (error) {
-    if (error instanceof Prisma.PrismaClientKnownRequestError) {
-      throw new DatabaseError(error.message);
-    }
-
-    throw error;
-  }
-};
-
 export const getDisplaysByPersonId = reactCache(
   async (personId: string, page?: number): Promise<TDisplay[]> =>
     cache(
diff --git a/packages/lib/display/tests/__mocks__/data.mock.ts b/packages/lib/display/tests/__mocks__/data.mock.ts
index 3672edfd8ee6..dd42b28c2fb0 100644
--- a/packages/lib/display/tests/__mocks__/data.mock.ts
+++ b/packages/lib/display/tests/__mocks__/data.mock.ts
@@ -45,29 +45,8 @@ export const mockDisplayInputWithResponseId = {
   responseId: mockResponseId,
 };
 
-export const mockDisplayLegacyInput = {
-  responseId: mockResponseId,
-  surveyId: mockSurveyId,
-};
-export const mockDisplayLegacyInputWithPersonId = {
-  ...mockDisplayLegacyInput,
-  personId: mockPersonId,
-};
-
 export const mockDisplayUpdate = {
   environmentId: mockEnvironmentId,
   userId: mockUserId,
   responseId: mockResponseId,
 };
-
-export const mockDisplayLegacyUpdateInput = {
-  personId: mockPersonId,
-  responseId: mockResponseId,
-};
-
-export const mockDisplayLegacyWithRespondedStatus: Prisma.DisplayGetPayload<{
-  select: typeof selectDisplay;
-}> = {
-  ...mockDisplayWithPersonId,
-  status: "responded",
-};
diff --git a/packages/lib/display/tests/display.test.ts b/packages/lib/display/tests/display.test.ts
index ee75bea3c56a..ed0f21bbd121 100644
--- a/packages/lib/display/tests/display.test.ts
+++ b/packages/lib/display/tests/display.test.ts
@@ -4,10 +4,6 @@ import {
   mockDisplay,
   mockDisplayInput,
   mockDisplayInputWithUserId,
-  mockDisplayLegacyInput,
-  mockDisplayLegacyInputWithPersonId,
-  mockDisplayLegacyUpdateInput,
-  mockDisplayLegacyWithRespondedStatus,
   mockDisplayUpdate,
   mockDisplayWithPersonId,
   mockDisplayWithResponseId,
@@ -20,14 +16,11 @@ import { testInputValidation } from "vitestSetup";
 import { DatabaseError } from "@formbricks/types/errors";
 import {
   createDisplay,
-  createDisplayLegacy,
   deleteDisplayByResponseId,
   getDisplay,
   getDisplayCountBySurveyId,
   getDisplaysByPersonId,
-  markDisplayRespondedLegacy,
   updateDisplay,
-  updateDisplayLegacy,
 } from "../service";
 
 beforeEach(() => {
@@ -173,88 +166,6 @@ describe("Tests for updateDisplay Service", () => {
   });
 });
 
-describe("Tests for createDisplayLegacy service", () => {
-  describe("Happy Path", () => {
-    it("Creates a display when a person ID exist", async () => {
-      prisma.display.create.mockResolvedValue(mockDisplayWithPersonId);
-
-      const display = await createDisplayLegacy(mockDisplayLegacyInputWithPersonId);
-      expect(display).toEqual(mockDisplayWithPersonId);
-    });
-    it("Creates a display when a person ID does not exist", async () => {
-      prisma.display.create.mockResolvedValue(mockDisplay);
-
-      const display = await createDisplayLegacy(mockDisplayLegacyInput);
-      expect(display).toEqual(mockDisplay);
-    });
-  });
-  describe("Sad Path", () => {
-    testInputValidation(createDisplayLegacy, "123");
-
-    it("Throws DatabaseError on PrismaClientKnownRequestError occurrence", async () => {
-      const mockErrorMessage = "Mock error message";
-      const errToThrow = new Prisma.PrismaClientKnownRequestError(mockErrorMessage, {
-        code: "P2002",
-        clientVersion: "0.0.1",
-      });
-
-      prisma.display.create.mockRejectedValue(errToThrow);
-
-      await expect(createDisplayLegacy(mockDisplayLegacyInputWithPersonId)).rejects.toThrow(DatabaseError);
-    });
-
-    it("Throws a generic Error for other exceptions", async () => {
-      const mockErrorMessage = "Mock error message";
-      prisma.display.create.mockRejectedValue(new Error(mockErrorMessage));
-
-      await expect(createDisplayLegacy(mockDisplayLegacyInputWithPersonId)).rejects.toThrow(Error);
-    });
-  });
-});
-
-describe("Tests for updateDisplayLegacy Service", () => {
-  describe("Happy Path", () => {
-    it("Updates a display", async () => {
-      prisma.display.update.mockResolvedValue(mockDisplayWithPersonId);
-
-      const display = await updateDisplayLegacy(mockDisplay.id, mockDisplayLegacyUpdateInput);
-      expect(display).toEqual(mockDisplayWithPersonId);
-    });
-
-    it("marks display as responded legacy", async () => {
-      prisma.display.update.mockResolvedValue(mockDisplayLegacyWithRespondedStatus);
-
-      const display = await markDisplayRespondedLegacy(mockDisplay.id);
-      expect(display).toEqual(mockDisplayLegacyWithRespondedStatus);
-    });
-  });
-
-  describe("Sad Path", () => {
-    testInputValidation(updateDisplayLegacy, "123", "123");
-
-    it("Throws DatabaseError on PrismaClientKnownRequestError", async () => {
-      const mockErrorMessage = "Mock error message";
-      const errToThrow = new Prisma.PrismaClientKnownRequestError(mockErrorMessage, {
-        code: "P2002",
-        clientVersion: "0.0.1",
-      });
-
-      prisma.display.update.mockRejectedValue(errToThrow);
-
-      await expect(updateDisplayLegacy(mockDisplay.id, mockDisplayLegacyUpdateInput)).rejects.toThrow(
-        DatabaseError
-      );
-    });
-
-    it("Throws a generic Error for other unexpected issues", async () => {
-      const mockErrorMessage = "Mock error message";
-      prisma.display.update.mockRejectedValue(new Error(mockErrorMessage));
-
-      await expect(updateDisplayLegacy(mockDisplay.id, mockDisplayLegacyUpdateInput)).rejects.toThrow(Error);
-    });
-  });
-});
-
 describe("Tests for deleteDisplayByResponseId service", () => {
   describe("Happy Path", () => {
     it("Deletes a display when a response associated to it is deleted", async () => {
@@ -265,8 +176,6 @@ describe("Tests for deleteDisplayByResponseId service", () => {
     });
   });
   describe("Sad Path", () => {
-    testInputValidation(createDisplayLegacy, "123");
-
     it("Throws DatabaseError on PrismaClientKnownRequestError occurrence", async () => {
       const mockErrorMessage = "Mock error message";
       const errToThrow = new Prisma.PrismaClientKnownRequestError(mockErrorMessage, {
diff --git a/packages/lib/i18n/i18n.mock.ts b/packages/lib/i18n/i18n.mock.ts
index d04fa370d03b..86274d0b6002 100644
--- a/packages/lib/i18n/i18n.mock.ts
+++ b/packages/lib/i18n/i18n.mock.ts
@@ -1,13 +1,12 @@
 import { mockSegment } from "segment/tests/__mocks__/segment.mock";
 import { mockSurveyLanguages } from "survey/tests/__mock__/survey.mock";
-import { TLegacySurveyThankYouCard } from "@formbricks/types/legacySurveys";
 import {
   TSurvey,
   TSurveyCTAQuestion,
   TSurveyCalQuestion,
   TSurveyConsentQuestion,
   TSurveyDateQuestion,
-  TSurveyEndings,
+  TSurveyEndScreenCard,
   TSurveyFileUploadQuestion,
   TSurveyMultipleChoiceQuestion,
   TSurveyNPSQuestion,
@@ -139,6 +138,7 @@ export const mockRatingQuestion: TSurveyRatingQuestion = {
   subheader: {
     default: "Don't worry, be honest.",
   },
+  isColorCodingEnabled: false,
   scale: "star",
   range: 5,
   lowerLabel: {
@@ -166,6 +166,7 @@ export const mockNpsQuestion: TSurveyNPSQuestion = {
   id: "m9pemgdih2p4exvkmeeqq6jf",
   type: TSurveyQuestionTypeEnum.NPS,
   isDraft: true,
+  isColorCodingEnabled: false,
 };
 
 export const mockCtaQuestion: TSurveyCTAQuestion = {
@@ -235,10 +236,10 @@ export const mockCalQuestion: TSurveyCalQuestion = {
   isDraft: true,
 };
 
-export const mockEndings: TSurveyEndings = [
+export const mockEndings = [
   {
-    type: "endScreen",
     id: "umyknohldc7w26ocjdhaa62c",
+    type: "endScreen",
     headline: {
       default: "Thank you!",
     },
@@ -247,7 +248,7 @@ export const mockEndings: TSurveyEndings = [
     },
     buttonLink: "https://formbricks.com/signup",
     buttonLabel: { default: "Create your own Survey" },
-  },
+  } as TSurveyEndScreenCard,
 ];
 
 export const mockSurvey: TSurvey = {
@@ -506,7 +507,7 @@ export const mockTranslatedEndings = [
   },
 ];
 
-export const mockLegacyThankYouCard: TLegacySurveyThankYouCard = {
+export const mockLegacyThankYouCard = {
   buttonLink: "https://formbricks.com/signup",
   enabled: true,
   headline: "Thank you!",
@@ -553,4 +554,5 @@ export const mockLegacySurvey = {
   welcomeCard: mockLegacyWelcomeCard,
   thankYouCard: mockLegacyThankYouCard,
   endings: undefined,
+  redirectUrl: null,
 };
diff --git a/packages/lib/i18n/i18n.test.ts b/packages/lib/i18n/i18n.test.ts
index 7d5b7cfdc21d..e3b3301b7832 100644
--- a/packages/lib/i18n/i18n.test.ts
+++ b/packages/lib/i18n/i18n.test.ts
@@ -1,15 +1,7 @@
 import { describe, expect, it } from "vitest";
-import {
-  mockEndings,
-  mockLegacySurvey,
-  mockSurvey,
-  mockTranslatedEndings,
-  mockTranslatedSurvey,
-  mockTranslatedWelcomeCard,
-  mockWelcomeCard,
-} from "./i18n.mock";
+import { mockLegacySurvey, mockTranslatedSurvey } from "./i18n.mock";
 import { reverseTranslateSurvey } from "./reverseTranslation";
-import { createI18nString, translateEndings, translateSurvey, translateWelcomeCard } from "./utils";
+import { createI18nString } from "./utils";
 
 describe("createI18nString", () => {
   it("should create an i18n string from a regular string", () => {
@@ -43,30 +35,6 @@ describe("createI18nString", () => {
   });
 });
 
-describe("translateWelcomeCard", () => {
-  it("should translate all text fields of a welcome card", () => {
-    const languages = ["default", "de"];
-    const translatedWelcomeCard = translateWelcomeCard(mockWelcomeCard, languages);
-    expect(translatedWelcomeCard).toEqual(mockTranslatedWelcomeCard);
-  });
-});
-
-describe("translateEndings", () => {
-  it("should translate all text fields of first endingCard", () => {
-    const languages = ["default", "de"];
-    const translatedEndings = translateEndings(mockEndings, languages);
-    expect(translatedEndings).toEqual(mockTranslatedEndings);
-  });
-});
-
-describe("translateSurvey", () => {
-  it("should translate all questions of a Survey", () => {
-    const languageCodes = ["default", "de"];
-    const translatedSurvey = translateSurvey(mockSurvey, languageCodes);
-    expect(translatedSurvey).toEqual(mockTranslatedSurvey);
-  });
-});
-
 describe("translate to Legacy Survey", () => {
   it("should translate all questions of a normal survey to Legacy Survey", () => {
     const translatedSurvey = reverseTranslateSurvey(mockTranslatedSurvey, "default");
diff --git a/packages/lib/i18n/reverseTranslation.ts b/packages/lib/i18n/reverseTranslation.ts
index 17c4a02b263f..d3da76279b4d 100644
--- a/packages/lib/i18n/reverseTranslation.ts
+++ b/packages/lib/i18n/reverseTranslation.ts
@@ -1,5 +1,4 @@
 import "server-only";
-import { TLegacySurvey, TLegacySurveyThankYouCard, ZLegacySurvey } from "@formbricks/types/legacy-surveys";
 import { TI18nString, TSurvey } from "@formbricks/types/surveys/types";
 import { structuredClone } from "../pollyfills/structuredClone";
 import { getLocalizedValue, isI18nObject } from "./utils";
@@ -28,7 +27,7 @@ const reverseTranslateObject = <T extends Record<string, any>>(obj: T, languageC
   return clonedObj;
 };
 
-const reverseTranslateEndings = (survey: TSurvey, languageCode: string): TLegacySurveyThankYouCard => {
+const reverseTranslateEndings = (survey: TSurvey, languageCode: string): any => {
   const firstEndingCard = survey.endings[0];
   if (firstEndingCard && firstEndingCard.type === "endScreen") {
     return {
@@ -43,7 +42,7 @@ const reverseTranslateEndings = (survey: TSurvey, languageCode: string): TLegacy
   }
 };
 
-export const reverseTranslateSurvey = (survey: TSurvey, languageCode: string = "default"): TLegacySurvey => {
+export const reverseTranslateSurvey = (survey: TSurvey, languageCode: string = "default"): any => {
   const reversedSurvey = structuredClone(survey);
   reversedSurvey.questions = reversedSurvey.questions.map((question) =>
     reverseTranslateObject(question, languageCode)
@@ -67,5 +66,5 @@ export const reverseTranslateSurvey = (survey: TSurvey, languageCode: string = "
   }
   // @ts-expect-error
   reversedSurvey.endings = undefined;
-  return ZLegacySurvey.parse(reversedSurvey);
+  return reversedSurvey;
 };
diff --git a/packages/lib/i18n/utils.ts b/packages/lib/i18n/utils.ts
index 98f2373d8548..f7ed0c520002 100644
--- a/packages/lib/i18n/utils.ts
+++ b/packages/lib/i18n/utils.ts
@@ -1,38 +1,5 @@
-import {
-  TLegacySurveyChoice,
-  TLegacySurveyQuestion,
-  TLegacySurveyThankYouCard,
-  TLegacySurveyWelcomeCard,
-} from "@formbricks/types/legacy-surveys";
 import { TLanguage } from "@formbricks/types/product";
-import {
-  TI18nString,
-  TSurvey,
-  TSurveyCTAQuestion,
-  TSurveyChoice,
-  TSurveyConsentQuestion,
-  TSurveyEndScreenCard,
-  TSurveyEndings,
-  TSurveyLanguage,
-  TSurveyMultipleChoiceQuestion,
-  TSurveyNPSQuestion,
-  TSurveyOpenTextQuestion,
-  TSurveyQuestion,
-  TSurveyRatingQuestion,
-  TSurveyWelcomeCard,
-  ZSurveyCTAQuestion,
-  ZSurveyCalQuestion,
-  ZSurveyConsentQuestion,
-  ZSurveyEndScreenCard,
-  ZSurveyFileUploadQuestion,
-  ZSurveyMultipleChoiceQuestion,
-  ZSurveyNPSQuestion,
-  ZSurveyOpenTextQuestion,
-  ZSurveyPictureSelectionQuestion,
-  ZSurveyQuestion,
-  ZSurveyRatingQuestion,
-  ZSurveyWelcomeCard,
-} from "@formbricks/types/surveys/types";
+import { TI18nString, TSurveyLanguage } from "@formbricks/types/surveys/types";
 import { structuredClone } from "../pollyfills/structuredClone";
 
 // Helper function to create an i18nString from a regular string.
@@ -109,225 +76,10 @@ export const getEnabledLanguages = (surveyLanguages: TSurveyLanguage[]) => {
   return surveyLanguages.filter((surveyLanguage) => surveyLanguage.enabled);
 };
 
-const translateChoice = (choice: TSurveyChoice | TLegacySurveyChoice, languages: string[]): TSurveyChoice => {
-  if (typeof choice.label !== "undefined") {
-    return {
-      ...choice,
-      label: createI18nString(choice.label, languages),
-    };
-  } else {
-    return {
-      ...choice,
-      label: choice.label,
-    };
-  }
-};
-
-// LGEGACY
-// Helper function to maintain backwards compatibility for old survey objects before Multi Language
-export const translateWelcomeCard = (
-  welcomeCard: TSurveyWelcomeCard | TLegacySurveyWelcomeCard,
-  languages: string[]
-): TSurveyWelcomeCard => {
-  const clonedWelcomeCard = structuredClone(welcomeCard);
-  if (typeof welcomeCard.headline !== "undefined") {
-    clonedWelcomeCard.headline = createI18nString(welcomeCard.headline ?? "", languages);
-  }
-  if (typeof welcomeCard.html !== "undefined") {
-    clonedWelcomeCard.html = createI18nString(welcomeCard.html ?? "", languages);
-  }
-  if (typeof welcomeCard.buttonLabel !== "undefined") {
-    clonedWelcomeCard.buttonLabel = createI18nString(clonedWelcomeCard.buttonLabel ?? "", languages);
-  }
-
-  return ZSurveyWelcomeCard.parse(clonedWelcomeCard);
-};
-
-// LGEGACY
-// Helper function to maintain backwards compatibility for old survey objects before Multi Language
-export const translateEndings = (
-  endings: TSurveyEndings | TLegacySurveyThankYouCard,
-  languages: string[]
-): TSurveyEndings => {
-  const isEndingsArray = Array.isArray(endings);
-  if (isEndingsArray) {
-    return endings.map((ending) => {
-      if (ending.type === "redirectToUrl") return ending;
-      else {
-        const clonedEndingCard = structuredClone(ending);
-
-        if (typeof ending.headline !== "undefined") {
-          clonedEndingCard.headline = createI18nString(ending.headline ?? "", languages);
-        }
-
-        if (typeof ending.subheader !== "undefined") {
-          clonedEndingCard.subheader = createI18nString(ending.subheader ?? "", languages);
-        }
-
-        if (typeof ending.buttonLabel !== "undefined") {
-          clonedEndingCard.buttonLabel = createI18nString(ending.buttonLabel ?? "", languages);
-        }
-        return ZSurveyEndScreenCard.parse(clonedEndingCard);
-      }
-    });
-  } else {
-    const clonedEndingCard = structuredClone(endings) as unknown as TSurveyEndScreenCard;
-
-    if (typeof clonedEndingCard.headline !== "undefined") {
-      clonedEndingCard.headline = createI18nString(clonedEndingCard.headline ?? "", languages);
-    }
-
-    if (typeof clonedEndingCard.subheader !== "undefined") {
-      clonedEndingCard.subheader = createI18nString(clonedEndingCard.subheader ?? "", languages);
-    }
-
-    if (typeof clonedEndingCard.buttonLabel !== "undefined") {
-      clonedEndingCard.buttonLabel = createI18nString(clonedEndingCard.buttonLabel ?? "", languages);
-    }
-    return [ZSurveyEndScreenCard.parse(clonedEndingCard)];
-  }
-};
-
-// LGEGACY
-// Helper function to maintain backwards compatibility for old survey objects before Multi Language
-export const translateQuestion = (
-  question: TLegacySurveyQuestion | TSurveyQuestion,
-  languages: string[]
-): TSurveyQuestion => {
-  // Clone the question to avoid mutating the original
-  const clonedQuestion = structuredClone(question);
-
-  //common question properties
-  if (typeof question.headline !== "undefined") {
-    clonedQuestion.headline = createI18nString(question.headline ?? "", languages);
-  }
-
-  if (typeof question.subheader !== "undefined") {
-    clonedQuestion.subheader = createI18nString(question.subheader ?? "", languages);
-  }
-
-  if (typeof question.buttonLabel !== "undefined") {
-    clonedQuestion.buttonLabel = createI18nString(question.buttonLabel ?? "", languages);
-  }
-
-  if (typeof question.backButtonLabel !== "undefined") {
-    clonedQuestion.backButtonLabel = createI18nString(question.backButtonLabel ?? "", languages);
-  }
-
-  switch (question.type) {
-    case "openText":
-      if (typeof question.placeholder !== "undefined") {
-        (clonedQuestion as TSurveyOpenTextQuestion).placeholder = createI18nString(
-          question.placeholder ?? "",
-          languages
-        );
-      }
-      return ZSurveyOpenTextQuestion.parse(clonedQuestion);
-
-    case "multipleChoiceSingle":
-    case "multipleChoiceMulti":
-      (clonedQuestion as TSurveyMultipleChoiceQuestion).choices = question.choices.map((choice) => {
-        return translateChoice(choice, languages);
-      });
-      if (typeof (clonedQuestion as TSurveyMultipleChoiceQuestion).otherOptionPlaceholder !== "undefined") {
-        (clonedQuestion as TSurveyMultipleChoiceQuestion).otherOptionPlaceholder = createI18nString(
-          question.otherOptionPlaceholder ?? "",
-          languages
-        );
-      }
-      return ZSurveyMultipleChoiceQuestion.parse(clonedQuestion);
-
-    case "cta":
-      if (typeof question.dismissButtonLabel !== "undefined") {
-        (clonedQuestion as TSurveyCTAQuestion).dismissButtonLabel = createI18nString(
-          question.dismissButtonLabel ?? "",
-          languages
-        );
-      }
-      if (typeof question.html !== "undefined") {
-        (clonedQuestion as TSurveyCTAQuestion).html = createI18nString(question.html ?? "", languages);
-      }
-      return ZSurveyCTAQuestion.parse(clonedQuestion);
-
-    case "consent":
-      if (typeof question.html !== "undefined") {
-        (clonedQuestion as TSurveyConsentQuestion).html = createI18nString(question.html ?? "", languages);
-      }
-
-      if (typeof question.label !== "undefined") {
-        (clonedQuestion as TSurveyConsentQuestion).label = createI18nString(question.label ?? "", languages);
-      }
-      return ZSurveyConsentQuestion.parse(clonedQuestion);
-
-    case "nps":
-      if (typeof question.lowerLabel !== "undefined") {
-        (clonedQuestion as TSurveyNPSQuestion).lowerLabel = createI18nString(
-          question.lowerLabel ?? "",
-          languages
-        );
-      }
-      if (typeof question.upperLabel !== "undefined") {
-        (clonedQuestion as TSurveyNPSQuestion).upperLabel = createI18nString(
-          question.upperLabel ?? "",
-          languages
-        );
-      }
-      return ZSurveyNPSQuestion.parse(clonedQuestion);
-
-    case "rating":
-      if (typeof question.lowerLabel !== "undefined") {
-        (clonedQuestion as TSurveyRatingQuestion).lowerLabel = createI18nString(
-          question.lowerLabel ?? "",
-          languages
-        );
-      }
-
-      if (typeof question.upperLabel !== "undefined") {
-        (clonedQuestion as TSurveyRatingQuestion).upperLabel = createI18nString(
-          question.upperLabel ?? "",
-          languages
-        );
-      }
-      return ZSurveyRatingQuestion.parse(clonedQuestion);
-
-    case "fileUpload":
-      return ZSurveyFileUploadQuestion.parse(clonedQuestion);
-
-    case "pictureSelection":
-      return ZSurveyPictureSelectionQuestion.parse(clonedQuestion);
-
-    case "cal":
-      return ZSurveyCalQuestion.parse(clonedQuestion);
-
-    default:
-      return ZSurveyQuestion.parse(clonedQuestion);
-  }
-};
-
 export const extractLanguageIds = (languages: TLanguage[]): string[] => {
   return languages.map((language) => language.code);
 };
 
-// LGEGACY
-// Helper function to maintain backwards compatibility for old survey objects before Multi Language
-export const translateSurvey = (
-  survey: Pick<TSurvey, "questions" | "welcomeCard" | "endings">,
-  languageCodes: string[]
-): Pick<TSurvey, "questions" | "welcomeCard" | "endings"> => {
-  const translatedQuestions = survey.questions.map((question) => {
-    return translateQuestion(question, languageCodes);
-  });
-  const translatedWelcomeCard = translateWelcomeCard(survey.welcomeCard, languageCodes);
-  const translatedEndings = translateEndings(survey.endings, languageCodes);
-  const translatedSurvey = structuredClone(survey);
-  return {
-    ...translatedSurvey,
-    questions: translatedQuestions,
-    welcomeCard: translatedWelcomeCard,
-    endings: translatedEndings,
-  };
-};
-
 export const getLanguageCode = (surveyLanguages: TSurveyLanguage[], languageCode: string | null) => {
   if (!surveyLanguages?.length || !languageCode) return "default";
   const language = surveyLanguages.find((surveyLanguage) => surveyLanguage.language.code === languageCode);
diff --git a/packages/lib/response/service.ts b/packages/lib/response/service.ts
index 0a3cbad330b9..8712a6d620bc 100644
--- a/packages/lib/response/service.ts
+++ b/packages/lib/response/service.ts
@@ -11,11 +11,9 @@ import {
   TResponse,
   TResponseFilterCriteria,
   TResponseInput,
-  TResponseLegacyInput,
   TResponseUpdateInput,
   ZResponseFilterCriteria,
   ZResponseInput,
-  ZResponseLegacyInput,
   ZResponseUpdateInput,
 } from "@formbricks/types/responses";
 import { TSurveySummary } from "@formbricks/types/surveys/types";
@@ -26,7 +24,7 @@ import { IS_FORMBRICKS_CLOUD, ITEMS_PER_PAGE, WEBAPP_URL } from "../constants";
 import { displayCache } from "../display/cache";
 import { deleteDisplayByResponseId, getDisplayCountBySurveyId } from "../display/service";
 import { getMonthlyOrganizationResponseCount, getOrganizationByEnvironmentId } from "../organization/service";
-import { createPerson, getPerson, getPersonByUserId } from "../person/service";
+import { createPerson, getPersonByUserId } from "../person/service";
 import { sendPlanLimitsReachedEventToPosthogWeekly } from "../posthogServer";
 import { responseNoteCache } from "../responseNote/cache";
 import { getResponseNotes } from "../responseNote/service";
@@ -307,82 +305,6 @@ export const createResponse = async (responseInput: TResponseInput): Promise<TRe
   }
 };
 
-export const createResponseLegacy = async (responseInput: TResponseLegacyInput): Promise<TResponse> => {
-  validateInputs([responseInput, ZResponseLegacyInput]);
-  captureTelemetry("response created");
-
-  try {
-    let person: TPerson | null = null;
-    let attributes: TAttributes | null = null;
-
-    if (responseInput.personId) {
-      person = await getPerson(responseInput.personId);
-    }
-    const ttcTemp = responseInput.ttc ?? {};
-    const questionId = Object.keys(ttcTemp)[0];
-    const ttc =
-      responseInput.finished && responseInput.ttc
-        ? {
-            ...ttcTemp,
-            _total: ttcTemp[questionId], // Add _total property with the same value
-          }
-        : ttcTemp;
-
-    if (person?.id) {
-      attributes = await getAttributes(person?.id as string);
-    }
-
-    const responsePrisma = await prisma.response.create({
-      data: {
-        survey: {
-          connect: {
-            id: responseInput.surveyId,
-          },
-        },
-        finished: responseInput.finished,
-        data: responseInput.data,
-        ttc,
-        ...(responseInput.personId && {
-          person: {
-            connect: {
-              id: responseInput.personId,
-            },
-          },
-          personAttributes: attributes,
-        }),
-
-        ...(responseInput.meta && ({ meta: responseInput?.meta } as Prisma.JsonObject)),
-        singleUseId: responseInput.singleUseId,
-        language: responseInput.language,
-      },
-      select: responseSelection,
-    });
-
-    const response: TResponse = {
-      ...responsePrisma,
-      tags: responsePrisma.tags.map((tagPrisma: { tag: TTag }) => tagPrisma.tag),
-    };
-
-    responseCache.revalidate({
-      id: response.id,
-      personId: response.person?.id,
-      surveyId: response.surveyId,
-    });
-
-    responseNoteCache.revalidate({
-      responseId: response.id,
-    });
-
-    return response;
-  } catch (error) {
-    if (error instanceof Prisma.PrismaClientKnownRequestError) {
-      throw new DatabaseError(error.message);
-    }
-
-    throw error;
-  }
-};
-
 export const getResponse = reactCache(
   (responseId: string): Promise<TResponse | null> =>
     cache(
diff --git a/packages/lib/response/tests/__mocks__/data.mock.ts b/packages/lib/response/tests/__mocks__/data.mock.ts
index e024a01a377a..2b7b47fb2ad5 100644
--- a/packages/lib/response/tests/__mocks__/data.mock.ts
+++ b/packages/lib/response/tests/__mocks__/data.mock.ts
@@ -55,6 +55,9 @@ export const mockResponseNote: ResponseNoteMock = {
 export const mockPerson = {
   id: mockPersonId,
   userId: mockUserId,
+  createdAt: new Date(2000, 1, 1, 19),
+  updatedAt: new Date(2000, 1, 1, 19),
+  environmentId: mockEnvironmentId,
 };
 
 export const mockTags = [
diff --git a/packages/lib/response/tests/response.test.ts b/packages/lib/response/tests/response.test.ts
index d56349e8295c..3e4cec020475 100644
--- a/packages/lib/response/tests/response.test.ts
+++ b/packages/lib/response/tests/response.test.ts
@@ -6,7 +6,6 @@ import {
   mockEnvironmentId,
   mockMeta,
   mockPerson,
-  mockPersonId,
   mockResponse,
   mockResponseData,
   mockResponseNote,
@@ -18,15 +17,10 @@ import {
   mockUserId,
 } from "./__mocks__/data.mock";
 import { Prisma } from "@prisma/client";
-import { beforeEach, describe, expect, it, vitest } from "vitest";
+import { beforeEach, describe, expect, it } from "vitest";
 import { testInputValidation } from "vitestSetup";
 import { DatabaseError, ResourceNotFoundError } from "@formbricks/types/errors";
-import {
-  TResponse,
-  TResponseFilterCriteria,
-  TResponseInput,
-  TResponseLegacyInput,
-} from "@formbricks/types/responses";
+import { TResponse, TResponseFilterCriteria, TResponseInput } from "@formbricks/types/responses";
 import { TTag } from "@formbricks/types/tags";
 import { selectPerson } from "../../person/service";
 import {
@@ -36,7 +30,6 @@ import {
 } from "../../survey/tests/__mock__/survey.mock";
 import {
   createResponse,
-  createResponseLegacy,
   deleteResponse,
   getResponse,
   getResponseBySingleUseId,
@@ -84,16 +77,6 @@ const mockResponseInputWithUserId: TResponseInput = {
   userId: mockUserId,
 };
 
-const createMockResponseLegacyInput = (personId?: string): TResponseLegacyInput => ({
-  finished: constantsForTests.boolean,
-  personId: personId ?? null,
-  surveyId: mockSurveyId,
-  meta: mockMeta,
-  singleUseId: mockSingleUseId,
-  ttc: {},
-  data: {},
-});
-
 beforeEach(() => {
   // @ts-expect-error
   prisma.response.create.mockImplementation(async (args) => {
@@ -277,20 +260,6 @@ describe("Tests for createResponse service", () => {
   });
 });
 
-describe("Tests for createResponseLegacy service", () => {
-  describe("Happy Path", () => {
-    it("Creates a response linked to an existing user", async () => {
-      const response = await createResponseLegacy(createMockResponseLegacyInput(mockPersonId));
-      expect(response).toEqual(expectedResponseWithPerson);
-    });
-
-    it("Creates a legacy response without an associated user ID", async () => {
-      const response = await createResponseLegacy(createMockResponseLegacyInput());
-      expect(response).toEqual(expectedResponseWithoutPerson);
-    });
-  });
-});
-
 describe("Tests for getResponse service", () => {
   describe("Happy Path", () => {
     it("Retrieves a specific response by its ID", async () => {
diff --git a/packages/lib/survey/service.ts b/packages/lib/survey/service.ts
index 7a1122a66e67..2078f08ecbe1 100644
--- a/packages/lib/survey/service.ts
+++ b/packages/lib/survey/service.ts
@@ -7,7 +7,6 @@ import { TActionClass } from "@formbricks/types/action-classes";
 import { ZOptionalNumber } from "@formbricks/types/common";
 import { TEnvironment, ZId } from "@formbricks/types/environment";
 import { DatabaseError, InvalidInputError, ResourceNotFoundError } from "@formbricks/types/errors";
-import { TLegacySurvey } from "@formbricks/types/legacy-surveys";
 import { TPerson } from "@formbricks/types/people";
 import { TProduct } from "@formbricks/types/product";
 import { TSegment, ZSegmentFilters } from "@formbricks/types/segment";
@@ -28,7 +27,6 @@ import { ITEMS_PER_PAGE } from "../constants";
 import { displayCache } from "../display/cache";
 import { getDisplaysByPersonId } from "../display/service";
 import { getEnvironment } from "../environment/service";
-import { reverseTranslateSurvey } from "../i18n/reverseTranslation";
 import { subscribeOrganizationMembersToSurveyResponses } from "../organization/service";
 import { personCache } from "../person/cache";
 import { getPerson } from "../person/service";
@@ -324,23 +322,6 @@ export const getSurveys = reactCache(
     )()
 );
 
-export const transformToLegacySurvey = async (
-  survey: TSurvey,
-  languageCode?: string
-): Promise<TLegacySurvey> => {
-  const targetLanguage = languageCode ?? "default";
-
-  // workaround to handle triggers for legacy surveys
-  // because we dont wanna do this in the `reverseTranslateSurvey` function
-  const surveyToTransform: any = {
-    ...structuredClone(survey),
-    triggers: survey.triggers.map((trigger) => trigger.actionClass.name),
-  };
-
-  const transformedSurvey = reverseTranslateSurvey(surveyToTransform as TSurvey, targetLanguage);
-  return transformedSurvey;
-};
-
 export const getSurveyCount = reactCache(
   (environmentId: string): Promise<number> =>
     cache(
@@ -984,7 +965,7 @@ export const getSyncSurveys = reactCache(
     options?: {
       version?: string;
     }
-  ): Promise<TSurvey[] | TLegacySurvey[]> =>
+  ): Promise<TSurvey[]> =>
     cache(
       async () => {
         validateInputs([environmentId, ZId]);
@@ -1001,7 +982,7 @@ export const getSyncSurveys = reactCache(
             throw new Error("Person not found");
           }
 
-          let surveys: TSurvey[] | TLegacySurvey[] = await getSurveys(environmentId);
+          let surveys = await getSurveys(environmentId);
 
           // filtered surveys for running and web
           surveys = surveys.filter((survey) => survey.status === "inProgress" && survey.type === "app");
diff --git a/packages/lib/survey/utils.ts b/packages/lib/survey/utils.ts
index 8b300cc405fb..27a5815f5769 100644
--- a/packages/lib/survey/utils.ts
+++ b/packages/lib/survey/utils.ts
@@ -1,8 +1,8 @@
 import "server-only";
 import { Prisma } from "@prisma/client";
-import { TLegacySurvey } from "@formbricks/types/legacy-surveys";
 import { TSegment } from "@formbricks/types/segment";
 import { TSurvey, TSurveyFilterCriteria } from "@formbricks/types/surveys/types";
+import { reverseTranslateSurvey } from "../i18n/reverseTranslation";
 
 export const transformPrismaSurvey = (surveyPrisma: any): TSurvey => {
   let segment: TSegment | null = null;
@@ -81,7 +81,7 @@ export const buildOrderByClause = (
   return [{ [sortBy]: "desc" }];
 };
 
-export const anySurveyHasFilters = (surveys: TSurvey[] | TLegacySurvey[]): boolean => {
+export const anySurveyHasFilters = (surveys: TSurvey[]): boolean => {
   return surveys.some((survey) => {
     if ("segment" in survey && survey.segment) {
       return survey.segment.filters && survey.segment.filters.length > 0;
@@ -89,3 +89,17 @@ export const anySurveyHasFilters = (surveys: TSurvey[] | TLegacySurvey[]): boole
     return false;
   });
 };
+
+export const transformToLegacySurvey = async (survey: TSurvey, languageCode?: string): Promise<any> => {
+  const targetLanguage = languageCode ?? "default";
+
+  // workaround to handle triggers for legacy surveys
+  // because we dont wanna do this in the `reverseTranslateSurvey` function
+  const surveyToTransform: any = {
+    ...structuredClone(survey),
+    triggers: survey.triggers.map((trigger) => trigger.actionClass.name),
+  };
+
+  const transformedSurvey = reverseTranslateSurvey(surveyToTransform as TSurvey, targetLanguage);
+  return transformedSurvey;
+};
diff --git a/packages/types/actions.ts b/packages/types/actions.ts
index c04e302bf965..42e991ef38d2 100644
--- a/packages/types/actions.ts
+++ b/packages/types/actions.ts
@@ -18,13 +18,3 @@ export const ZActionInput = z.object({
 });
 
 export type TActionInput = z.infer<typeof ZActionInput>;
-
-export const ZActionLegacyInput = z.object({
-  environmentId: z.string().cuid2(),
-  personId: z.string().optional(),
-  sessionId: z.string().optional(),
-  name: z.string(),
-  properties: z.record(z.string()),
-});
-
-export type TActionLegacyInput = z.infer<typeof ZActionLegacyInput>;
diff --git a/packages/types/displays.ts b/packages/types/displays.ts
index ee9da4e8a99b..b350f58829fc 100644
--- a/packages/types/displays.ts
+++ b/packages/types/displays.ts
@@ -21,14 +21,6 @@ export const ZDisplayCreateInput = z.object({
 
 export type TDisplayCreateInput = z.infer<typeof ZDisplayCreateInput>;
 
-export const ZDisplayLegacyCreateInput = z.object({
-  surveyId: z.string().cuid(),
-  personId: z.string().cuid().optional(),
-  responseId: z.string().cuid().optional(),
-});
-
-export type TDisplayLegacyCreateInput = z.infer<typeof ZDisplayLegacyCreateInput>;
-
 export const ZDisplayUpdateInput = z.object({
   environmentId: z.string().cuid(),
   userId: z.string().optional(),
@@ -37,13 +29,6 @@ export const ZDisplayUpdateInput = z.object({
 
 export type TDisplayUpdateInput = z.infer<typeof ZDisplayUpdateInput>;
 
-export const ZDisplayLegacyUpdateInput = z.object({
-  personId: z.string().cuid().optional(),
-  responseId: z.string().cuid().optional(),
-});
-
-export type TDisplayLegacyUpdateInput = z.infer<typeof ZDisplayLegacyUpdateInput>;
-
 export const ZDisplaysWithSurveyName = ZDisplay.extend({
   surveyName: z.string(),
 });
diff --git a/packages/types/js.ts b/packages/types/js.ts
index a87b143bcba6..383a5eca626e 100644
--- a/packages/types/js.ts
+++ b/packages/types/js.ts
@@ -1,8 +1,6 @@
 import { z } from "zod";
 import { ZActionClass } from "./action-classes";
 import { ZAttributes } from "./attributes";
-import { ZLegacySurvey } from "./legacy-surveys";
-import { ZPerson } from "./people";
 import { ZProduct } from "./product";
 import { ZResponseHiddenFieldValue } from "./responses";
 import { ZSurvey } from "./surveys/types";
@@ -34,7 +32,7 @@ export type TJSWebsiteStateDisplay = z.infer<typeof ZJSWebsiteStateDisplay>;
 export const ZJsAppStateSync = z.object({
   person: ZJsPerson.nullish(),
   userId: z.string().optional(),
-  surveys: z.union([z.array(ZSurvey), z.array(ZLegacySurvey)]),
+  surveys: z.array(ZSurvey),
   actionClasses: z.array(ZActionClass),
   product: ZProduct,
   language: z.string().optional(),
@@ -65,32 +63,6 @@ export const ZJsWebsiteState = z.object({
 
 export type TJsWebsiteState = z.infer<typeof ZJsWebsiteState>;
 
-export const ZJsAppLegacyStateSync = z.object({
-  person: ZJsPerson.nullish(),
-  userId: z.string().optional(),
-  surveys: z.union([z.array(ZSurvey), z.array(ZLegacySurvey)]),
-  noCodeActionClasses: z.array(ZActionClass),
-  product: ZProduct,
-  language: z.string().optional(),
-});
-
-export type TJsAppLegacyStateSync = z.infer<typeof ZJsAppLegacyStateSync>;
-
-export const ZJsWebsiteLegacyStateSync = ZJsAppLegacyStateSync.omit({ person: true });
-
-export type TJsWebsiteLegacyStateSync = z.infer<typeof ZJsWebsiteLegacyStateSync>;
-
-export const ZJsLegacyState = z.object({
-  person: ZPerson.nullable().or(z.object({})),
-  session: z.object({}),
-  surveys: z.array(ZSurveyWithTriggers),
-  noCodeActionClasses: z.array(ZActionClass),
-  product: ZProduct,
-  displays: z.array(ZJSWebsiteStateDisplay).optional(),
-});
-
-export type TJsLegacyState = z.infer<typeof ZJsLegacyState>;
-
 export const ZJsWebsiteSyncInput = z.object({
   environmentId: z.string().cuid(),
   version: z.string().optional(),
@@ -180,14 +152,6 @@ export const ZJsPeopleAttributeInput = z.object({
 
 export type TJsPeopleAttributeInput = z.infer<typeof ZJsPeopleAttributeInput>;
 
-export const ZJsPeopleLegacyAttributeInput = z.object({
-  environmentId: z.string().cuid(),
-  key: z.string(),
-  value: z.string(),
-});
-
-export type TJsPeopleLegacyAttributeInput = z.infer<typeof ZJsPeopleLegacyAttributeInput>;
-
 export const ZJsActionInput = z.object({
   environmentId: z.string().cuid(),
   userId: z.string().optional(),
diff --git a/packages/types/legacy-surveys.ts b/packages/types/legacy-surveys.ts
deleted file mode 100644
index 12553e4ba7c8..000000000000
--- a/packages/types/legacy-surveys.ts
+++ /dev/null
@@ -1,196 +0,0 @@
-import { z } from "zod";
-import { ZAllowedFileExtension } from "./common";
-import {
-  TSurveyQuestionTypeEnum,
-  ZSurvey,
-  ZSurveyCTALogic,
-  ZSurveyCalLogic,
-  ZSurveyConsentLogic,
-  ZSurveyEndings,
-  ZSurveyFileUploadLogic,
-  ZSurveyMultipleChoiceLogic,
-  ZSurveyNPSLogic,
-  ZSurveyOpenTextLogic,
-  ZSurveyOpenTextQuestionInputType,
-  ZSurveyPictureChoice,
-  ZSurveyPictureSelectionLogic,
-  ZSurveyQuestionBase,
-  ZSurveyRatingLogic,
-} from "./surveys/types";
-
-const ZLegacySurveyQuestionBase = ZSurveyQuestionBase.extend({
-  headline: z.string(),
-  subheader: z.string().optional(),
-  buttonLabel: z.string().optional(),
-  backButtonLabel: z.string().optional(),
-});
-
-export const ZLegacySurveyOpenTextQuestion = ZLegacySurveyQuestionBase.extend({
-  type: z.literal(TSurveyQuestionTypeEnum.OpenText),
-  placeholder: z.string().optional(),
-  longAnswer: z.boolean().optional(),
-  logic: z.array(ZSurveyOpenTextLogic).optional(),
-  inputType: ZSurveyOpenTextQuestionInputType.optional().default("text"),
-});
-
-export type TLegacySurveyOpenTextQuestion = z.infer<typeof ZLegacySurveyOpenTextQuestion>;
-
-export const ZLegacySurveyConsentQuestion = ZLegacySurveyQuestionBase.extend({
-  type: z.literal(TSurveyQuestionTypeEnum.Consent),
-  html: z.string().optional(),
-  label: z.string(),
-  placeholder: z.string().optional(),
-  logic: z.array(ZSurveyConsentLogic).optional(),
-});
-
-export type TLegacySurveyConsentQuestion = z.infer<typeof ZLegacySurveyConsentQuestion>;
-
-export const ZLegacySurveyChoice = z.object({
-  id: z.string(),
-  label: z.string(),
-});
-
-export type TLegacySurveyChoice = z.infer<typeof ZLegacySurveyChoice>;
-
-export const ZLegacySurveyMultipleChoiceSingleQuestion = ZLegacySurveyQuestionBase.extend({
-  type: z.literal(TSurveyQuestionTypeEnum.MultipleChoiceSingle),
-  choices: z.array(ZLegacySurveyChoice),
-  logic: z.array(ZSurveyMultipleChoiceLogic).optional(),
-  shuffleOption: z.enum(["none", "all", "exceptLast"]).optional(),
-  otherOptionPlaceholder: z.string().optional(),
-});
-
-export type TLegacySurveyMultipleChoiceSingleQuestion = z.infer<
-  typeof ZLegacySurveyMultipleChoiceSingleQuestion
->;
-
-export const ZLegacySurveyMultipleChoiceMultiQuestion = ZLegacySurveyQuestionBase.extend({
-  type: z.literal(TSurveyQuestionTypeEnum.MultipleChoiceMulti),
-  choices: z.array(ZLegacySurveyChoice),
-  logic: z.array(ZSurveyMultipleChoiceLogic).optional(),
-  shuffleOption: z.enum(["none", "all", "exceptLast"]).optional(),
-  otherOptionPlaceholder: z.string().optional(),
-});
-
-export type TLegacySurveyMultipleChoiceMultiQuestion = z.infer<
-  typeof ZLegacySurveyMultipleChoiceMultiQuestion
->;
-
-export const ZLegacySurveyNPSQuestion = ZLegacySurveyQuestionBase.extend({
-  type: z.literal(TSurveyQuestionTypeEnum.NPS),
-  lowerLabel: z.string(),
-  upperLabel: z.string(),
-  logic: z.array(ZSurveyNPSLogic).optional(),
-});
-
-export type TLegacySurveyNPSQuestion = z.infer<typeof ZLegacySurveyNPSQuestion>;
-
-export const ZLegacySurveyCTAQuestion = ZLegacySurveyQuestionBase.extend({
-  type: z.literal(TSurveyQuestionTypeEnum.CTA),
-  html: z.string().optional(),
-  buttonUrl: z.string().optional(),
-  buttonExternal: z.boolean(),
-  dismissButtonLabel: z.string().optional(),
-  logic: z.array(ZSurveyCTALogic).optional(),
-});
-
-export type TLegacySurveyCTAQuestion = z.infer<typeof ZLegacySurveyCTAQuestion>;
-
-export const ZLegacySurveyRatingQuestion = ZLegacySurveyQuestionBase.extend({
-  type: z.literal(TSurveyQuestionTypeEnum.Rating),
-  scale: z.enum(["number", "smiley", "star"]),
-  range: z.union([z.literal(5), z.literal(3), z.literal(4), z.literal(7), z.literal(10)]),
-  lowerLabel: z.string(),
-  upperLabel: z.string(),
-  logic: z.array(ZSurveyRatingLogic).optional(),
-});
-
-export const ZLegacySurveyDateQuestion = ZLegacySurveyQuestionBase.extend({
-  type: z.literal(TSurveyQuestionTypeEnum.Date),
-  html: z.string().optional(),
-  format: z.enum(["M-d-y", "d-M-y", "y-M-d"]),
-});
-
-export type TLegacySurveyDateQuestion = z.infer<typeof ZLegacySurveyDateQuestion>;
-
-export type TLegacySurveyRatingQuestion = z.infer<typeof ZLegacySurveyRatingQuestion>;
-
-export const ZLegacySurveyPictureSelectionQuestion = ZLegacySurveyQuestionBase.extend({
-  type: z.literal(TSurveyQuestionTypeEnum.PictureSelection),
-  allowMulti: z.boolean().optional().default(false),
-  choices: z.array(ZSurveyPictureChoice),
-  logic: z.array(ZSurveyPictureSelectionLogic).optional(),
-});
-
-export type TLegacySurveyPictureSelectionQuestion = z.infer<typeof ZLegacySurveyPictureSelectionQuestion>;
-
-export const ZLegacySurveyFileUploadQuestion = ZLegacySurveyQuestionBase.extend({
-  type: z.literal(TSurveyQuestionTypeEnum.FileUpload),
-  allowMultipleFiles: z.boolean(),
-  maxSizeInMB: z.number().optional(),
-  allowedFileExtensions: z.array(ZAllowedFileExtension).optional(),
-  logic: z.array(ZSurveyFileUploadLogic).optional(),
-});
-
-export type TLegacySurveyFileUploadQuestion = z.infer<typeof ZLegacySurveyFileUploadQuestion>;
-
-export const ZLegacySurveyCalQuestion = ZLegacySurveyQuestionBase.extend({
-  type: z.literal(TSurveyQuestionTypeEnum.Cal),
-  calUserName: z.string(),
-  calHost: z.string().optional(),
-  logic: z.array(ZSurveyCalLogic).optional(),
-});
-
-export type TLegacySurveyCalQuestion = z.infer<typeof ZLegacySurveyCalQuestion>;
-
-export const ZLegacySurveyQuestion = z.union([
-  ZLegacySurveyOpenTextQuestion,
-  ZLegacySurveyConsentQuestion,
-  ZLegacySurveyMultipleChoiceSingleQuestion,
-  ZLegacySurveyMultipleChoiceMultiQuestion,
-  ZLegacySurveyNPSQuestion,
-  ZLegacySurveyCTAQuestion,
-  ZLegacySurveyRatingQuestion,
-  ZLegacySurveyPictureSelectionQuestion,
-  ZLegacySurveyDateQuestion,
-  ZLegacySurveyFileUploadQuestion,
-  ZLegacySurveyCalQuestion,
-]);
-
-export const ZLegacySurveyThankYouCard = z.object({
-  enabled: z.boolean(),
-  headline: z.string().optional(),
-  subheader: z.string().optional(),
-  buttonLabel: z.optional(z.string()),
-  buttonLink: z.optional(z.string()),
-  imageUrl: z.string().optional(),
-});
-
-export type TLegacySurveyThankYouCard = z.infer<typeof ZLegacySurveyThankYouCard>;
-
-export const ZLegacySurveyWelcomeCard = z.object({
-  enabled: z.boolean(),
-  headline: z.string(),
-  html: z.string().optional(),
-  fileUrl: z.string().optional(),
-  buttonLabel: z.string().optional(),
-  timeToFinish: z.boolean().default(true),
-  showResponseCount: z.boolean().default(false),
-});
-
-export type TLegacySurveyWelcomeCard = z.infer<typeof ZLegacySurveyWelcomeCard>;
-
-export type TLegacySurveyQuestion = z.infer<typeof ZLegacySurveyQuestion>;
-
-export const ZLegacySurveyQuestions = z.array(ZLegacySurveyQuestion);
-
-// ZSurvey is a refinement, so to extend it to ZLegacySurvey, we need to extend the innerType and then apply the same refinements.
-export const ZLegacySurvey = ZSurvey.innerType().extend({
-  questions: ZLegacySurveyQuestions,
-  thankYouCard: ZLegacySurveyThankYouCard,
-  welcomeCard: ZLegacySurveyWelcomeCard,
-  triggers: z.array(z.string()),
-  endings: ZSurveyEndings.optional(),
-});
-
-export type TLegacySurvey = z.infer<typeof ZLegacySurvey>;
diff --git a/packages/types/product.ts b/packages/types/product.ts
index 8de264529fb5..a14ee4be8473 100644
--- a/packages/types/product.ts
+++ b/packages/types/product.ts
@@ -74,33 +74,6 @@ export const ZProduct = z.object({
 
 export type TProduct = z.infer<typeof ZProduct>;
 
-export const ZProductLegacy = z.object({
-  id: z.string().cuid2(),
-  createdAt: z.date(),
-  updatedAt: z.date(),
-  name: z.string().trim().min(1, { message: "Product name cannot be empty" }),
-  organizationId: z.string(),
-  styling: ZProductStyling,
-  recontactDays: z
-    .number({ message: "Recontact days is required" })
-    .int()
-    .min(0, { message: "Must be a positive number" })
-    .max(365, { message: "Must be less than 365" }),
-  inAppSurveyBranding: z.boolean(),
-  linkSurveyBranding: z.boolean(),
-  config: ZProductConfig,
-  placement: ZPlacement,
-  clickOutsideClose: z.boolean(),
-  darkOverlay: z.boolean(),
-  environments: z.array(ZEnvironment),
-  brandColor: ZColor.nullish(),
-  highlightBorderColor: ZColor.nullish(),
-  languages: z.array(ZLanguage),
-  logo: ZLogo.nullish(),
-});
-
-export type TProductLegacy = z.infer<typeof ZProductLegacy>;
-
 export const ZProductUpdateInput = z.object({
   name: z.string().trim().min(1, { message: "Product name cannot be empty" }).optional(),
   organizationId: z.string().optional(),
diff --git a/packages/types/responses.ts b/packages/types/responses.ts
index 9036f084998c..2e7c637e0b26 100644
--- a/packages/types/responses.ts
+++ b/packages/types/responses.ts
@@ -270,12 +270,6 @@ export const ZResponseInput = z.object({
 
 export type TResponseInput = z.infer<typeof ZResponseInput>;
 
-export const ZResponseLegacyInput = ZResponseInput.omit({ userId: true, environmentId: true }).extend({
-  personId: z.string().cuid2().nullable(),
-});
-
-export type TResponseLegacyInput = z.infer<typeof ZResponseLegacyInput>;
-
 export const ZResponseUpdateInput = z.object({
   finished: z.boolean(),
   data: ZResponseData,
diff --git a/packages/types/surveys/types.ts b/packages/types/surveys/types.ts
index 9f48be68ba6a..45fc4565d44c 100644
--- a/packages/types/surveys/types.ts
+++ b/packages/types/surveys/types.ts
@@ -20,11 +20,8 @@ export const ZI18nString = z.record(z.string()).refine((obj) => "default" in obj
 
 export type TI18nString = z.infer<typeof ZI18nString>;
 
-const ZEndScreenType = z.union([z.literal("endScreen"), z.literal("redirectToUrl")]);
-
 const ZSurveyEndingBase = z.object({
   id: z.string().cuid2(),
-  type: ZEndScreenType,
 });
 
 export const ZSurveyEndScreenCard = ZSurveyEndingBase.extend({
@@ -36,6 +33,7 @@ export const ZSurveyEndScreenCard = ZSurveyEndingBase.extend({
   imageUrl: z.string().optional(),
   videoUrl: z.string().optional(),
 });
+
 export type TSurveyEndScreenCard = z.infer<typeof ZSurveyEndScreenCard>;
 
 export const ZSurveyRedirectUrlCard = ZSurveyEndingBase.extend({
@@ -43,9 +41,16 @@ export const ZSurveyRedirectUrlCard = ZSurveyEndingBase.extend({
   url: z.string().url("Invalid redirect Url in Ending card").optional(),
   label: z.string().optional(),
 });
+
 export type TSurveyRedirectUrlCard = z.infer<typeof ZSurveyRedirectUrlCard>;
 
-export const ZSurveyEndings = z.array(z.union([ZSurveyEndScreenCard, ZSurveyRedirectUrlCard]));
+export const ZSurveyEnding = z.union([ZSurveyEndScreenCard, ZSurveyRedirectUrlCard]);
+
+export type TSurveyEnding = z.infer<typeof ZSurveyEnding>;
+
+export const ZSurveyEndings = z.array(ZSurveyEnding);
+
+export type TSurveyEndings = z.infer<typeof ZSurveyEnding>;
 
 export enum TSurveyQuestionTypeEnum {
   FileUpload = "fileUpload",
@@ -103,6 +108,8 @@ export const ZSurveyWelcomeCard = z
     message: "Welcome card must have a headline",
   });
 
+export type TSurveyWelcomeCard = z.infer<typeof ZSurveyWelcomeCard>;
+
 export const ZSurveyHiddenFields = z.object({
   enabled: z.boolean(),
   fieldIds: z.optional(
@@ -134,6 +141,8 @@ export const ZSurveyHiddenFields = z.object({
   ),
 });
 
+export type TSurveyHiddenFields = z.infer<typeof ZSurveyHiddenFields>;
+
 export const ZSurveyProductOverwrites = z.object({
   brandColor: ZColor.nullish(),
   highlightBorderColor: ZColor.nullish(),
@@ -163,6 +172,8 @@ export const ZSurveyClosedMessage = z
   .nullable()
   .optional();
 
+export type TSurveyClosedMessage = z.infer<typeof ZSurveyClosedMessage>;
+
 export const ZSurveySingleUse = z
   .object({
     enabled: z.boolean(),
@@ -174,14 +185,6 @@ export const ZSurveySingleUse = z
 
 export type TSurveySingleUse = z.infer<typeof ZSurveySingleUse>;
 
-export type TSurveyWelcomeCard = z.infer<typeof ZSurveyWelcomeCard>;
-
-export type TSurveyEndings = z.infer<typeof ZSurveyEndings>;
-
-export type TSurveyHiddenFields = z.infer<typeof ZSurveyHiddenFields>;
-
-export type TSurveyClosedMessage = z.infer<typeof ZSurveyClosedMessage>;
-
 export const ZSurveyChoice = z.object({
   id: z.string(),
   label: ZI18nString,
diff --git a/packages/types/templates.ts b/packages/types/templates.ts
index 9405c0015f22..ffe6ee8596cf 100644
--- a/packages/types/templates.ts
+++ b/packages/types/templates.ts
@@ -1,9 +1,4 @@
 import { z } from "zod";
-import {
-  ZLegacySurveyQuestions,
-  ZLegacySurveyThankYouCard,
-  ZLegacySurveyWelcomeCard,
-} from "./legacy-surveys";
 import { ZProductConfigChannel, ZProductConfigIndustry } from "./product";
 import { ZSurveyEndings, ZSurveyHiddenFields, ZSurveyQuestions, ZSurveyWelcomeCard } from "./surveys/types";
 import { ZUserObjective } from "./user";
@@ -30,18 +25,6 @@ export const ZTemplate = z.object({
 
 export type TTemplate = z.infer<typeof ZTemplate>;
 
-export const ZLegacyTemplate = ZTemplate.extend({
-  preset: z.object({
-    name: z.string(),
-    welcomeCard: ZLegacySurveyWelcomeCard,
-    questions: ZLegacySurveyQuestions,
-    thankYouCard: ZLegacySurveyThankYouCard,
-    hiddenFields: ZSurveyHiddenFields,
-  }),
-});
-
-export type TLegacyTemplate = z.infer<typeof ZLegacyTemplate>;
-
 export const ZTemplateFilter = z.union([
   ZProductConfigChannel,
   ZProductConfigIndustry,
diff --git a/packages/types/tsconfig.json b/packages/types/tsconfig.json
index 424e81695f0f..e30885e08b3b 100644
--- a/packages/types/tsconfig.json
+++ b/packages/types/tsconfig.json
@@ -1,5 +1,5 @@
 {
-  "extends": "@formbricks/config-typescript/base.json",
+  "extends": "@formbricks/config-typescript/node16.json",
   "include": ["."],
   "exclude": ["dist", "build", "node_modules"],
   "compilerOptions": {