completed the task

src/App.tsx

@@ -1,20 +1,43 @@
-import { PeoplePage } from './components/PeoplePage';
-import { Navbar } from './components/Navbar';
+import { NavLink, Outlet } from 'react-router-dom';
+import cn from 'classnames';
 
 import './App.scss';
 
-export const App = () => {
-  return (
-    <div data-cy="app">
-      <Navbar />
+const getLinkClass = ({ isActive }: { isActive: boolean }) => {
+  return cn('navbar-item', { 'has-background-grey-lighter': isActive });
+};
+
+export const App = () => (
+  <div data-cy="app">
+    <nav
+      data-cy="nav"
+      className="navbar is-fixed-top has-shadow"
+      role="navigation"
+      aria-label="main navigation"
+    >
+      <div className="container">
+        <div className="navbar-brand">
+          <NavLink
+            className={getLinkClass}
+            to="/"
+          >
+            Home
+          </NavLink>
 
-      <div className="section">
-        <div className="container">
-          <h1 className="title">Home Page</h1>
-          <h1 className="title">Page not found</h1>
-          <PeoplePage />
+          <NavLink
+            className={getLinkClass}
+            to="/people"
+          >
+            People
+          </NavLink>
         </div>
       </div>
-    </div>
-  );
-};
+    </nav>
+
+    <main className="section">
+      <div className="container">
+        <Outlet />
+      </div>
+    </main>
+  </div>
+);

src/components/HomePage.tsx

@@ -0,0 +1,5 @@
+export const HomePage = () => {
+  return (
+    <h1 className="title">Home Page</h1>
+  );
+};

src/components/PeopleFilters.tsx

@@ -1,21 +1,86 @@
-export const PeopleFilters = () => {
+import { useEffect, useMemo } from 'react';
+import { useSearchParams } from 'react-router-dom';
+import { SearchLink } from './SearchLink';
+import { Filters } from '../types/Filters';
+import { Sex } from '../utils/FilterPeople';
+
+interface Props {
+  handleFilterChange: (newFilters: Filters) => void;
+}
+
+export const PeopleFilters: React.FC<Props> = ({ handleFilterChange }) => {
+  const [searchParams, setSearchParams] = useSearchParams();
+  const query = useMemo(() => searchParams.get('query') || '', [searchParams]);
+
+  const centuries = useMemo(
+    () => searchParams.getAll('centuries') || [], [searchParams],
+  );
+
+  const sex = useMemo(
+    () => (searchParams.get('sex') as Sex) || Sex.All, [searchParams],
+  );
+
+  function handleQueryChange(event: React.ChangeEvent<HTMLInputElement>) {
+    const newQuery = event.target.value;
+    const params = new URLSearchParams(searchParams);
+
+    if (newQuery.trim() !== '') {
+      params.set('query', newQuery);
+    } else {
+      params.delete('query');
+    }
+
+    setSearchParams(params);
+  }
+
+  useEffect(() => {
+    const applyFilters = () => {
+      const currentFilters = {
+        sex,
+        centuries,
+        query,
+      };
+
+      handleFilterChange(currentFilters);
+    };
+
+    applyFilters();
+  }, [searchParams, sex, centuries, query, handleFilterChange]);
+
   return (
     <nav className="panel">
       <p className="panel-heading">Filters</p>
 
       <p className="panel-tabs" data-cy="SexFilter">
-        <a className="is-active" href="#/people">All</a>
-        <a className="" href="#/people?sex=m">Male</a>
-        <a className="" href="#/people?sex=f">Female</a>
+        <SearchLink
+          className={`${sex === Sex.All ? 'is-active' : ''}`}
+          params={{ sex: Sex.All }}
+        >
+          All
+        </SearchLink>
+        <SearchLink
+          className={`${sex === Sex.Male ? 'is-active' : ''}`}
+          params={{ sex: Sex.Male }}
+        >
+          Male
+        </SearchLink>
+        <SearchLink
+          className={`${sex === Sex.Female ? 'is-active' : ''}`}
+          params={{ sex: Sex.Female }}
+        >
+          Female
+        </SearchLink>
       </p>
 
       <div className="panel-block">
         <p className="control has-icons-left">
           <input
             data-cy="NameFilter"
-            type="search"
+            type="input"
             className="input"
             placeholder="Search"
+            onChange={handleQueryChange}
+            value={query}
           />
 
           <span className="icon is-left">
@@ -27,55 +92,30 @@ export const PeopleFilters = () => {
       <div className="panel-block">
         <div className="level is-flex-grow-1 is-mobile" data-cy="CenturyFilter">
           <div className="level-left">
-            <a
-              data-cy="century"
-              className="button mr-1"
-              href="#/people?centuries=16"
-            >
-              16
-            </a>
-
-            <a
-              data-cy="century"
-              className="button mr-1 is-info"
-              href="#/people?centuries=17"
-            >
-              17
-            </a>
-
-            <a
-              data-cy="century"
-              className="button mr-1 is-info"
-              href="#/people?centuries=18"
-            >
-              18
-            </a>
-
-            <a
-              data-cy="century"
-              className="button mr-1 is-info"
-              href="#/people?centuries=19"
-            >
-              19
-            </a>
-
-            <a
-              data-cy="century"
-              className="button mr-1"
-              href="#/people?centuries=20"
-            >
-              20
-            </a>
+            {['16', '17', '18', '19', '20'].map(century => (
+              <SearchLink
+                key={century}
+                data-cy="century"
+                className={`button mr-1 ${centuries.includes(`${century}`) ? 'is-info' : ''}`}
+                params={{
+                  centuries: !centuries.includes(`${century}`)
+                    ? [...centuries, century]
+                    : centuries.filter(cen => cen !== century),
+                }}
+              >
+                {century}
+              </SearchLink>
+            ))}
           </div>
 
           <div className="level-right ml-4">
-            <a
+            <SearchLink
               data-cy="centuryALL"
-              className="button is-success is-outlined"
-              href="#/people"
+              className={`button is-success ${centuries.length === 0 ? 'is-outlined' : ''}`}
+              params={{ centuries: [] }}
             >
               All
-            </a>
+            </SearchLink>
           </div>
         </div>
       </div>
@@ -84,6 +124,9 @@ export const PeopleFilters = () => {
         <a
           className="button is-link is-outlined is-fullwidth"
           href="#/people"
+          onClick={() => {
+            setSearchParams(new URLSearchParams());
+          }}
         >
           Reset all filters
         </a>

src/components/PeoplePage.tsx

@@ -1,35 +1,97 @@
-import { PeopleFilters } from './PeopleFilters';
+import { useCallback, useEffect, useState } from 'react';
 import { Loader } from './Loader';
+import { Person } from '../types';
+import { getPeople } from '../api';
 import { PeopleTable } from './PeopleTable';
+import { PeopleFilters } from './PeopleFilters';
+import { filterPeople } from '../utils/FilterPeople';
+import { Filters } from '../types/Filters';
+
+enum ErrorType {
+  Type1 = 'type1',
+  Type2 = 'type2',
+}
 
 export const PeoplePage = () => {
+  const [people, setPeople] = useState<Person[]>([]);
+  const [filteredPeople, setFilteredPeople] = useState<Person[]>([]);
+  const [errorType, setErrorType] = useState<ErrorType | null>(null);
+  const [isLoading, setIsLoading] = useState<boolean>(true);
+  const [dataIsValid, setDataIsValid] = useState<boolean>(false);
+  const [filters, setFilters] = useState<Filters>({} as Filters);
+
+  useEffect(() => {
+    const fetchData = async () => {
+      try {
+        const data = await getPeople();
+
+        if (!data || data.length === 0) {
+          setErrorType(ErrorType.Type1);
+          setDataIsValid(false);
+        } else {
+          setPeople(data);
+          setDataIsValid(true);
+        }
+      } catch (error) {
+        setErrorType(ErrorType.Type2);
+      } finally {
+        setIsLoading(false);
+      }
+    };
+
+    fetchData();
+  }, []);
+
+  const applyFilters = useCallback(() => {
+    const filtered = filterPeople(people, filters);
+
+    setFilteredPeople(filtered);
+  }, [people, filters]);
+
+  useEffect(() => {
+    applyFilters();
+  }, [applyFilters]);
+
+  const handleFilterChange = (newFilters: Filters) => {
+    setFilters(newFilters);
+  };
+
   return (
-    <>
+    <div className="column">
       <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 />
-          </div>
-
-          <div className="column">
-            <div className="box table-container">
-              <Loader />
+        <div className="box table-container">
+          {isLoading && <Loader /> }
 
-              <p data-cy="peopleLoadingError">Something went wrong</p>
+          {errorType === 'type1' && (
+            <p data-cy="noPeopleMessage" className="has-text-danger">
+              It seems there are no people on the server.
+            </p>
+          )}
 
-              <p data-cy="noPeopleMessage">
-                There are no people on the server
-              </p>
+          {errorType === 'type2' && (
+            <p data-cy="peopleLoadingError">
+              Something went wrong while fetching people data.
+            </p>
+          )}
 
-              <p>There are no people matching the current search criteria</p>
+          {dataIsValid && (
+            <div className="block">
+              <div className="columns is-desktop is-flex-direction-row-reverse">
+                <div className="column is-7-tablet is-narrow-desktop">
+                  <PeopleFilters
+                    handleFilterChange={handleFilterChange}
+                  />
+                </div>
 
-              <PeopleTable />
+                <div className="column">
+                  {dataIsValid && <PeopleTable people={filteredPeople} />}
+                </div>
+              </div>
             </div>
-          </div>
+          )}
         </div>
       </div>
-    </>
+    </div>
   );
 };