JenkinsFile

pipeline {
  agent any

  options {
    disableConcurrentBuilds()
    buildDiscarder(logRotator(numToKeepStr: '10', daysToKeepStr: '30'))
    timeout(time: 30, unit: 'MINUTES')
    timestamps()
  }

  environment {
    IMAGE_NAME  = '2thecore-emulator'
    DOCKER_REPO = 'yeonjin529/2thecore-emulator'
    DEPLOY_HOST = '3.37.93.107'
    APP_PORT    = '8081'
  }

  stages {
    stage('Build Emulator JAR') {
      steps {
        sh '''
          set -e
          chmod +x ./gradlew
          ./gradlew --no-daemon clean bootJar -x test
        '''
      }
    }

    stage('Assemble deploy bundle') {
      steps {
        withCredentials([file(credentialsId: '2thecore-env', variable: 'PROD_ENV')]) {
          sh '''
            set -e
            rm -rf deploy
            mkdir -p deploy/release/emulator

            # 빌드 결과물 복사
            cp build/libs/emulator-0.0.1-SNAPSHOT.jar deploy/release/emulator/app.jar

            # Dockerfile 복사
            cp Dockerfile deploy/Dockerfile.emulator

            # Jenkins Credentials -> prod.env 파일로 추가
            cp $PROD_ENV deploy/release/emulator/prod.env

            # tar 압축
            tar -czf emulator-bundle.tar -C deploy .
            echo "[OK] emulator-bundle.tar 생성 (app.jar + prod.env 포함)"
          '''
        }
      }
    }

    stage('Deploy to EC2') {
      steps {
        sshagent(['2thecore-ec2']) {
          sh '''
            set -e
            # 번들 전송
            scp -o StrictHostKeyChecking=no emulator-bundle.tar ubuntu@${DEPLOY_HOST}:~

            # EC2에서 배포 실행
            ssh -o StrictHostKeyChecking=no ubuntu@${DEPLOY_HOST} bash -lc "
              set -e
              rm -rf ~/emulator-deploy && mkdir -p ~/emulator-deploy
              tar -xzf ~/emulator-bundle.tar -C ~/emulator-deploy

              cd ~/emulator-deploy

              # 기존 컨테이너 제거
              docker rm -f ${IMAGE_NAME} || true

              # 새 이미지 빌드 및 실행 (prod.env 포함됨)
              docker build -t ${DOCKER_REPO}:dev -f Dockerfile.emulator .
              docker run -d --name ${IMAGE_NAME} \\
                -p ${APP_PORT}:${APP_PORT} \\
                --restart unless-stopped \\
                ${DOCKER_REPO}:dev

              # tar 삭제
              rm -f ~/emulator-bundle.tar || true
            "
          '''
        }
      }
    }
  }

  post {
    always {
      echo "Pipeline finished."
    }
  }
}