Solution

src/App.tsx

@@ -2,15 +2,22 @@ import './App.scss';
 import { MoviesList } from './components/MoviesList';
 import { NewMovie } from './components/NewMovie';
 import moviesFromServer from './api/movies.json';
+import { useState } from 'react';
 
 export const App = () => {
+  const [movies, setMovies] = useState(moviesFromServer);
+
   return (
     <div className="page">
       <div className="page-content">
-        <MoviesList movies={moviesFromServer} />
+        <MoviesList movies={movies} />
       </div>
       <div className="sidebar">
-        <NewMovie /* onAdd={(movie) => {}} */ />
+        <NewMovie
+          onAdd={newMovie => {
+            setMovies(prevMovies => [...prevMovies, newMovie]);
+          }}
+        />
       </div>
     </div>
   );

src/components/NewMovie/NewMovie.tsx

@@ -1,37 +1,99 @@
 import { useState } from 'react';
 import { TextField } from '../TextField';
+import { Movie } from '../../types/Movie';
 
-export const NewMovie = () => {
+type Props = {
+  onAdd: (newMovie: Movie) => void;
+};
+
+export const NewMovie: React.FC<Props> = ({ onAdd }) => {
   // Increase the count after successful form submission
   // to reset touched status of all the `Field`s
-  const [count] = useState(0);
+  const [count, setCount] = useState(0);
+  const [title, setTitle] = useState('');
+  const [description, setDescription] = useState('');
+  const [imageUrl, setImageUrl] = useState('');
+  const [imdbUrl, setImdbUrl] = useState('');
+  const [imdbId, setImdbId] = useState('');
+
+  const handleResetForm = () => {
+    setCount(prevKey => prevKey + 1); // оновлюємо ключ для реініціалізації
+    setTitle('');
+    setDescription('');
+    setImageUrl('');
+    setImdbUrl('');
+    setImdbId('');
+  };
+
+  const isFormValid = [title, description, imageUrl, imdbUrl, imdbId].every(
+    value => value.trim() !== '',
+  );
 
   return (
-    <form className="NewMovie" key={count}>
+    <form
+      className="NewMovie"
+      key={count}
+      onSubmit={event => {
+        event!.preventDefault();
+        const newMovie: Movie = {
+          title: title,
+          description: description,
+          imgUrl: imageUrl,
+          imdbUrl: imdbUrl,
+          imdbId: imdbId,
+        };
+
+        if (!Object.values(newMovie).some(value => !value)) {
+          onAdd(newMovie);
+          handleResetForm();
+        }
+      }}
+    >
       <h2 className="title">Add a movie</h2>
 
       <TextField
         name="title"
         label="Title"
-        value=""
-        onChange={() => {}}
+        value={title}
+        onChange={(newValue: string) => setTitle(newValue)}
         required
       />
 
-      <TextField name="description" label="Description" value="" />
+      <TextField
+        name="description"
+        label="Description"
+        value={description}
+        onChange={(newValue: string) => setDescription(newValue)}
+      />
 
-      <TextField name="imgUrl" label="Image URL" value="" />
+      <TextField
+        name="imgUrl"
+        label="Image URL"
+        value={imageUrl}
+        onChange={(newValue: string) => setImageUrl(newValue)}
+      />
 
-      <TextField name="imdbUrl" label="Imdb URL" value="" />
+      <TextField
+        name="imdbUrl"
+        label="Imdb URL"
+        value={imdbUrl}
+        onChange={(newValue: string) => setImdbUrl(newValue)}
+      />
 
-      <TextField name="imdbId" label="Imdb ID" value="" />
+      <TextField
+        name="imdbId"
+        label="Imdb ID"
+        value={imdbId}
+        onChange={(newValue: string) => setImdbId(newValue)}
+      />
 
       <div className="field is-grouped">
         <div className="control">
           <button
             type="submit"
             data-cy="submit-button"
             className="button is-link"
+            disabled={!isFormValid}
           >
             Add
           </button>