solved

src/App.tsx

@@ -2,15 +2,30 @@ import './App.scss';
 import { MoviesList } from './components/MoviesList';
 import { NewMovie } from './components/NewMovie';
 import moviesFromServer from './api/movies.json';
+import { useState } from 'react';
+
+export type Movie = {
+  title: string;
+  description: string;
+  imgUrl: string;
+  imdbUrl: string;
+  imdbId: string;
+};
 
 export const App = () => {
+  const [movies, setMovie] = useState([...moviesFromServer]);
+
+  const onAdd = (movie: Movie) => {
+    setMovie(currentMovies => [...currentMovies, 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

@@ -1,37 +1,87 @@
-import { useState } from 'react';
+import React, { useState } from 'react';
 import { TextField } from '../TextField';
+import { Movie } from '../../App';
 
-export const NewMovie = () => {
-  // Increase the count after successful form submission
-  // to reset touched status of all the `Field`s
-  const [count] = useState(0);
+type Props = {
+  onAdd: (movie: Movie) => void;
+};
+
+export const NewMovie: React.FC<Props> = ({ onAdd }) => {
+  const [count, setCount] = useState(0);
+  const [title, setTitle] = useState('');
+  const [descr, setDescr] = useState('');
+  const [img, setImg] = useState('');
+  const [url, setUrl] = useState('');
+  const [id, setId] = useState('');
+  const isValid = title.trim() && img.trim() && url.trim() && id.trim();
+
+  const handleSubmit = (event: React.FormEvent) => {
+    event.preventDefault();
+
+    if (!isValid) {
+      return;
+    }
+
+    setCount(count + 1);
+    onAdd({
+      title,
+      description: descr,
+      imgUrl: img,
+      imdbUrl: url,
+      imdbId: id,
+    });
+  };
 
   return (
-    <form className="NewMovie" key={count}>
+    <form className="NewMovie" key={count} onSubmit={handleSubmit}>
       <h2 className="title">Add a movie</h2>
 
       <TextField
         name="title"
         label="Title"
-        value=""
-        onChange={() => {}}
+        value={title}
+        onChange={setTitle}
         required
       />
 
-      <TextField name="description" label="Description" value="" />
+      <TextField
+        name="description"
+        label="Description"
+        value={descr}
+        onChange={setDescr}
+      />
 
-      <TextField name="imgUrl" label="Image URL" value="" />
+      <TextField
+        name="imgUrl"
+        label="Image URL"
+        value={img}
+        onChange={setImg}
+        required
+      />
 
-      <TextField name="imdbUrl" label="Imdb URL" value="" />
+      <TextField
+        name="imdbUrl"
+        label="Imdb URL"
+        value={url}
+        onChange={setUrl}
+        required
+      />
 
-      <TextField name="imdbId" label="Imdb ID" value="" />
+      <TextField
+        name="imdbId"
+        label="Imdb ID"
+        value={id}
+        onChange={setId}
+        required
+      />
 
       <div className="field is-grouped">
         <div className="control">
           <button
             type="submit"
             data-cy="submit-button"
             className="button is-link"
+            disabled={!isValid}
           >
             Add
           </button>

src/components/TextField/TextField.tsx

@@ -14,6 +14,9 @@
   return Math.random().toFixed(16).slice(2);
 }
 
+const pattern =
+  /^((([A-Za-z]{3,9}:(?:\/\/)?)(?:[-;:&=+$,\w]+@)?[A-Za-z0-9.-]+|(?:www\.|[-;:&=+$,\w]+@)[A-Za-z0-9.-]+)((?:\/[+~%/.\w-_]*)?\??(?:[-+=&;%@,.\w_]*)#?(?:[,.!/\\\w]*))?)$/;
+
 export const TextField: React.FC<Props> = ({
   name,
   value,
@@ -28,6 +31,7 @@
   // To show errors only if the field was touched (onBlur)
   const [touched, setTouched] = useState(false);
   const hasError = touched && required && !value;
+  const [validMessage, setValidMessage] = useState('');
 
   return (
     <div className="field">
@@ -46,11 +50,23 @@
           placeholder={placeholder}
           value={value}
           onChange={event => onChange(event.target.value)}
-          onBlur={() => setTouched(true)}
+          onBlur={() => {
+            setTouched(true);
+            if (
+              (name === 'imgUrl' || name === 'imdbUrl') &&
+              !pattern.test(value)
+            ) {
+              console.log(pattern.test(value));
+              setValidMessage('Not valid URL');
+            } else {
+              setValidMessage('');
+            }
+          }}
         />
       </div>
 
       {hasError && <p className="help is-danger">{`${label} is required`}</p>}
+      {validMessage && <p className="help is-danger">{`Not valid URL`}</p>}
     </div>
   );
 };