solution

src/App.tsx

@@ -1,5 +1,6 @@
 import { PeoplePage } from './components/PeoplePage';
 import { Navbar } from './components/Navbar';
+import { Routes, Route, Navigate } from 'react-router-dom';
 
 import './App.scss';
 
@@ -10,9 +11,16 @@ export const App = () => {
 
       <div className="section">
         <div className="container">
-          <h1 className="title">Home Page</h1>
-          <h1 className="title">Page not found</h1>
-          <PeoplePage />
+          <Routes>
+            <Route path="/" element={<h1 className="title">Home Page</h1>} />
+            <Route path="/home" element={<Navigate to="/" replace />} />
+            <Route path="/people" element={<PeoplePage />} />
+            <Route path="/people/:slug" element={<PeoplePage />} />
+            <Route
+              path="*"
+              element={<h1 className="title">Page not found</h1>}
+            />
+          </Routes>
         </div>
       </div>
     </div>

src/components/Navbar.tsx

@@ -1,4 +1,8 @@
+import { NavLink, useLocation } from 'react-router-dom';
+
 export const Navbar = () => {
+  const location = useLocation();
+
   return (
     <nav
       data-cy="nav"
@@ -8,17 +12,28 @@ export const Navbar = () => {
     >
       <div className="container">
         <div className="navbar-brand">
-          <a className="navbar-item" href="#/">
+          <NavLink
+            to="/"
+            className={({ isActive }) =>
+              isActive
+                ? 'navbar-item has-background-grey-lighter'
+                : 'navbar-item'
+            }
+          >
             Home
-          </a>
+          </NavLink>
 
-          <a
+          <NavLink
+            to={{ pathname: '/people', search: location.search }}
             aria-current="page"
-            className="navbar-item has-background-grey-lighter"
-            href="#/people"
+            className={({ isActive }) =>
+              isActive
+                ? 'navbar-item has-background-grey-lighter'
+                : 'navbar-item'
+            }
           >
             People
-          </a>
+          </NavLink>
         </div>
       </div>
     </nav>

src/components/PeopleFilters.tsx

@@ -1,18 +1,45 @@
+import { useSearchParams } from 'react-router-dom';
+import { getSearchWith } from '../utils/searchHelper';
+import { SearchLink } from './SearchLink';
+import classNames from 'classnames';
+
 export const PeopleFilters = () => {
+  const [searchParams, setSearchParams] = useSearchParams();
+
+  const query = searchParams.get('query') || '';
+  const sex = searchParams.get('sex') || '';
+  const selectedCenturies = searchParams.getAll('centuries');
+
+  const getCenturyParams = (century: string) => {
+    const newCenturies = selectedCenturies.includes(century)
+      ? selectedCenturies.filter(item => item !== century)
+      : [...selectedCenturies, century];
+
+    return {
+      centuries: newCenturies.length > 0 ? newCenturies : null,
+    };
+  };
+
   return (
     <nav className="panel">
       <p className="panel-heading">Filters</p>
 
       <p className="panel-tabs" data-cy="SexFilter">
-        <a className="is-active" href="#/people">
+        <SearchLink className={!sex ? 'is-active' : ''} params={{ sex: null }}>
           All
-        </a>
-        <a className="" href="#/people?sex=m">
+        </SearchLink>
+        <SearchLink
+          className={sex === 'm' ? 'is-active' : ''}
+          params={{ sex: 'm' }}
+        >
           Male
-        </a>
-        <a className="" href="#/people?sex=f">
+        </SearchLink>
+        <SearchLink
+          className={sex === 'f' ? 'is-active' : ''}
+          params={{ sex: 'f' }}
+        >
           Female
-        </a>
+        </SearchLink>
       </p>
 
       <div className="panel-block">
@@ -22,6 +49,14 @@ export const PeopleFilters = () => {
             type="search"
             className="input"
             placeholder="Search"
+            value={query}
+            onChange={event => {
+              setSearchParams(
+                getSearchWith(searchParams, {
+                  query: event.target.value || null,
+                }),
+              );
+            }}
           />
 
           <span className="icon is-left">
@@ -33,63 +68,84 @@ export const PeopleFilters = () => {
       <div className="panel-block">
         <div className="level is-flex-grow-1 is-mobile" data-cy="CenturyFilter">
           <div className="level-left">
-            <a
+            <SearchLink
               data-cy="century"
-              className="button mr-1"
-              href="#/people?centuries=16"
+              className={classNames('button mr-1', {
+                'is-info': selectedCenturies.includes('16'),
+              })}
+              params={getCenturyParams('16')}
             >
               16
-            </a>
+            </SearchLink>
 
-            <a
+            <SearchLink
               data-cy="century"
-              className="button mr-1 is-info"
-              href="#/people?centuries=17"
+              className={classNames('button mr-1', {
+                'is-info': selectedCenturies.includes('17'),
+              })}
+              params={getCenturyParams('17')}
             >
               17
-            </a>
+            </SearchLink>
 
-            <a
+            <SearchLink
               data-cy="century"
-              className="button mr-1 is-info"
-              href="#/people?centuries=18"
+              className={classNames('button mr-1', {
+                'is-info': selectedCenturies.includes('18'),
+              })}
+              params={getCenturyParams('18')}
             >
               18
-            </a>
+            </SearchLink>
 
-            <a
+            <SearchLink
               data-cy="century"
-              className="button mr-1 is-info"
-              href="#/people?centuries=19"
+              className={classNames('button mr-1', {
+                'is-info': selectedCenturies.includes('19'),
+              })}
+              params={getCenturyParams('19')}
             >
               19
-            </a>
+            </SearchLink>
 
-            <a
+            <SearchLink
               data-cy="century"
-              className="button mr-1"
-              href="#/people?centuries=20"
+              className={classNames('button mr-1', {
+                'is-info': selectedCenturies.includes('20'),
+              })}
+              params={getCenturyParams('20')}
             >
               20
-            </a>
+            </SearchLink>
           </div>
 
           <div className="level-right ml-4">
-            <a
+            <SearchLink
               data-cy="centuryALL"
-              className="button is-success is-outlined"
-              href="#/people"
+              className={classNames('button is-success', {
+                'is-outlined': selectedCenturies.length > 0,
+              })}
+              params={{ centuries: null }}
             >
               All
-            </a>
+            </SearchLink>
           </div>
         </div>
       </div>
 
       <div className="panel-block">
-        <a className="button is-link is-outlined is-fullwidth" href="#/people">
+        <SearchLink
+          className="button is-link is-outlined is-fullwidth"
+          params={{
+            query: null,
+            sex: null,
+            centuries: null,
+            sort: null,
+            order: null,
+          }}
+        >
           Reset all filters
-        </a>
+        </SearchLink>
       </div>
     </nav>
   );

src/components/PeoplePage.tsx

@@ -1,29 +1,119 @@
+import { useEffect, useState } from 'react';
+import { getPeople } from '../api';
 import { PeopleFilters } from './PeopleFilters';
 import { Loader } from './Loader';
 import { PeopleTable } from './PeopleTable';
+import { Person } from '../types';
+import { useParams, useSearchParams } from 'react-router-dom';
 
 export const PeoplePage = () => {
+  const { slug } = useParams();
+
+  const [people, setPeople] = useState<Person[]>([]);
+  const [isLoading, setIsLoading] = useState(false);
+  const [hasError, setHasError] = useState(false);
+
+  const [searchParams] = useSearchParams();
+
+  const query = searchParams.get('query') || '';
+  const sex = searchParams.get('sex') || '';
+  const centuries = searchParams.getAll('centuries');
+  const sort = searchParams.get('sort');
+  const order = searchParams.get('order');
+
+  let visiblePeople = [...people];
+
+  if (sex) {
+    visiblePeople = visiblePeople.filter(person => person.sex === sex);
+  }
+
+  if (query) {
+    const normalizedQuery = query.toLowerCase();
+
+    visiblePeople = visiblePeople.filter(person => {
+      return (
+        person.name.toLowerCase().includes(normalizedQuery) ||
+        person.motherName?.toLowerCase().includes(normalizedQuery) ||
+        person.fatherName?.toLowerCase().includes(normalizedQuery)
+      );
+    });
+  }
+
+  if (centuries.length > 0) {
+    visiblePeople = visiblePeople.filter(person => {
+      const century = String(Math.ceil(person.born / 100));
+
+      return centuries.includes(century);
+    });
+  }
+
+  if (sort) {
+    visiblePeople.sort((personA, personB) => {
+      switch (sort) {
+        case 'name':
+        case 'sex':
+          return personA[sort].localeCompare(personB[sort]);
+
+        case 'born':
+        case 'died':
+          return personA[sort] - personB[sort];
+
+        default:
+          return 0;
+      }
+    });
+
+    if (order === 'desc') {
+      visiblePeople.reverse();
+    }
+  }
+
+  const noPeopleMatching =
+    !isLoading && !hasError && people.length > 0 && visiblePeople.length === 0;
+
+  const tableOfPeople =
+    !isLoading && !hasError && people.length > 0 && visiblePeople.length > 0;
+
+  useEffect(() => {
+    setIsLoading(true);
+
+    getPeople()
+      .then(setPeople)
+      .catch(() => setHasError(true))
+      .finally(() => setIsLoading(false));
+  }, []);
+
   return (
     <>
       <h1 className="title">People Page</h1>
 
       <div className="block">
         <div className="columns is-desktop is-flex-direction-row-reverse">
           <div className="column is-7-tablet is-narrow-desktop">
-            <PeopleFilters />
+            {!isLoading && !hasError && people.length > 0 && <PeopleFilters />}
           </div>
 
           <div className="column">
             <div className="box table-container">
-              <Loader />
+              {isLoading && <Loader />}
 
-              <p data-cy="peopleLoadingError">Something went wrong</p>
+              {hasError && (
+                <p data-cy="peopleLoadingError">Something went wrong</p>
+              )}
 
-              <p data-cy="noPeopleMessage">There are no people on the server</p>
+              {!isLoading && !hasError && people.length === 0 && (
+                <p data-cy="noPeopleMessage">
+                  There are no people on the server
+                </p>
+              )}
 
-              <p>There are no people matching the current search criteria</p>
+              {noPeopleMatching && (
+                <p>There are no people matching the current search criteria</p>
+              )}
 
-              <PeopleTable />
+              {tableOfPeople && (
+                <PeopleTable people={visiblePeople} selectedSlug={slug} />
+              )}
             </div>
           </div>
         </div>