solution

src/App.tsx

@@ -1,16 +1,26 @@
 import './App.scss';
+import { useState } from 'react';
 import { MoviesList } from './components/MoviesList';
 import { NewMovie } from './components/NewMovie';
 import moviesFromServer from './api/movies.json';
+import { Movie } from './types/Movie';
+
+const initMovies = [...moviesFromServer];
 
 export const App = () => {
+  const [movies, setMovies] = useState(initMovies);
+
+  const onAdd = (movie: Movie) => {
+    setMovies([...initMovies, movie]);
+  };
+
   return (
     <div className="page">
       <div className="page-content">
-        <MoviesList movies={moviesFromServer} />
+        <MoviesList movies={movies} />
       </div>
       <div className="sidebar">
-        <NewMovie /* onAdd={(movie) => {}} */ />
+        <NewMovie onAdd={onAdd} />
       </div>
     </div>
   );

src/components/NewMovie/NewMovie.tsx

@@ -1,45 +1,104 @@
-import { useState } from 'react';
+import React, { useState } from 'react';
 import { TextField } from '../TextField';
+import { Movie } from '../../types/Movie';
 
-export const NewMovie = () => {
+type Props = {
+  onAdd: (movie: 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 [newMovie, setNewMovie] = useState({
+    title: '',
+    description: '',
+    imgUrl: '',
+    imdbUrl: '',
+    imdbId: '',
+  });
+
+  const ifAllFieldsFilled = newMovie.title.trim() && newMovie.imgUrl.trim()
+  && newMovie.imdbUrl.trim() && newMovie.imdbId.trim();
+
+  const handleChange = (e: React.ChangeEvent<HTMLInputElement>) => {
+    const { name, value } = e.target;
+
+    setNewMovie((prevMovie) => ({ ...prevMovie, [name]: value }));
+  };
+
+  const reset = () => {
+    newMovie.title = '';
+    newMovie.description = '';
+    newMovie.imgUrl = '';
+    newMovie.imdbUrl = '';
+    newMovie.imdbId = '';
+  };
+
+  const handleFormOnSubmit = (event: React.FormEvent) => {
+    event.preventDefault();
+
+    setCount(counter => counter + 1);
+
+    if (!ifAllFieldsFilled) {
+      return;
+    }
+
+    onAdd(newMovie);
+    reset();
+  };
 
   return (
-    <form className="NewMovie" key={count}>
+    <form
+      className="NewMovie"
+      key={count}
+      onSubmit={handleFormOnSubmit}
+    >
       <h2 className="title">Add a movie</h2>
 
       <TextField
         name="title"
         label="Title"
-        value=""
-        onChange={() => {}}
+        value={newMovie.title}
+        onChange={handleChange}
         required
       />
 
       <TextField
         name="description"
         label="Description"
-        value=""
+        value={newMovie.description}
+        onChange={handleChange}
       />
 
       <TextField
         name="imgUrl"
         label="Image URL"
-        value=""
+        value={newMovie.imgUrl}
+        onChange={handleChange}
+        required
+        // isValidUrl={isValidUrl(imgUrl)}
+
       />
 
       <TextField
         name="imdbUrl"
         label="Imdb URL"
-        value=""
+        value={newMovie.imdbUrl}
+        onChange={handleChange}
+        required
+        // isValidUrl={isValidUrl(imgUrl)}
+
       />
 
       <TextField
         name="imdbId"
         label="Imdb ID"
-        value=""
+        value={newMovie.imdbId}
+        onChange={handleChange}
+        required
+
       />
 
       <div className="field is-grouped">
@@ -48,6 +107,7 @@ export const NewMovie = () => {
             type="submit"
             data-cy="submit-button"
             className="button is-link"
+            disabled={!ifAllFieldsFilled}
           >
             Add
           </button>

src/components/TextField/TextField.tsx

@@ -7,7 +7,7 @@ type Props = {
   label?: string,
   placeholder?: string,
   required?: boolean,
-  onChange?: (newValue: string) => void,
+  onChange?: (e: React.ChangeEvent<HTMLInputElement>) => void,
 };
 
 function getRandomDigits() {
@@ -23,6 +23,7 @@ export const TextField: React.FC<Props> = ({
   placeholder = `Enter ${label}`,
   required = false,
   onChange = () => {},
+  // isValidUrl = () => {},
 }) => {
   // generage a unique id once on component load
   const [id] = useState(() => `${name}-${getRandomDigits()}`);
@@ -47,8 +48,9 @@ export const TextField: React.FC<Props> = ({
           })}
           placeholder={placeholder}
           value={value}
-          onChange={event => onChange(event.target.value)}
+          onChange={(event) => onChange(event)}
           onBlur={() => setTouched(true)}
+
         />
       </div>