text: import React, { useEffect, useState } from 'react';
  import { useDispatch, useSelector } from 'react-redux';
  import { detailsUser, updateUserProfile } from '../actions/userActions';
  import LoadingBox from '../components/LoadingBox';
  import MessageBox from '../components/MessageBox';
  import { USER_UPDATE_PROFILE_RESET } from '../constants/userConstants';
  
  export default function ProfileScreen() {
      const [name, setName] = useState('');
      const [email, setEmail] = useState('');
      const [password, setPassword] = useState('');
      const [confirmPassword, setConfirmPassword] = useState('');
      
      const userSignin = useSelector((state) => state.userSignin);
      const { userInfo } = userSignin;
      const userDetails = useSelector((state) => state.userDetails);
      const { loading, error, user } = userDetails;
      const userUpdateProfile = useSelector((state) => state.userUpdateProfile);
      const {
          success: successUpdate,
          error: errorUpdate,
          loading: loadingUpdate,
      } = userUpdateProfile;
      const dispatch = useDispatch();
      useEffect(() => {
          if (!user) {
              dispatch({ type: USER_UPDATE_PROFILE_RESET });
              dispatch(detailsUser(userInfo._id));
              } else {
              setName(user.name);
              setEmail(user.email);
              }
          }, [dispatch, userInfo._id, user]);
      const submitHandler = (e) => {
          e.preventDefault();
          if (password !== confirmPassword) {
              alert('Password and Confirm Password Are Not Matched');
          } else {
              dispatch(updateUserProfile({ userId: user._id, name, email, password }));
          }
      };
      return (
          <div>
              <form className="form" onSubmit={submitHandler}>
                  <div>
                  <h1>User Profile</h1>
                  </div>
                  {loading ? (
                  <LoadingBox></LoadingBox>
                  ) : error ? (
                  <MessageBox variant="danger">{error}</MessageBox>
                  ) : (
                  <>
                      {loadingUpdate && <LoadingBox></LoadingBox>}
                  {errorUpdate && (
                  <MessageBox variant="danger">{errorUpdate}</MessageBox>
                  )}
                  {successUpdate && (
                  <MessageBox variant="success">
                      Profile Updated Successfully
                  </MessageBox>
              )}
                      <div>
                      <label htmlFor="name">Name</label>
                      <input
                          id="name"
                          type="text"
                          placeholder="Enter name"
                          value={name}
                          onChange={(e) => setName(e.target.value)}
                      ></input>
                      </div>
                      <div>
                      <label htmlFor="email">Email</label>
                      <input
                          id="email"
                          type="email"
                          placeholder="Enter email"
                          value={email}
                          onChange={(e) => setEmail(e.target.value)}
                      ></input>
                      </div>
                      <div>
                      <label htmlFor="password">Password</label>
                      <input
                          id="password"
                          type="password"
                          placeholder="Enter password"
                          onChange={(e) => setPassword(e.target.value)}
                      ></input>
                      </div>
                      <div>
                      <label htmlFor="confirmPassword">confirm Password</label>
                      <input
                          id="confirmPassword"
                          type="password"
                          placeholder="Enter confirm password"
                          onChange={(e) => setConfirmPassword(e.target.value)}
                      ></input>
                      </div>
                      <div>
                      <label />
                      <button className="primary" type="submit">
                          Update
                      </button>
                      </div>
                  </>
                  )}
              </form>
          </div>
      );
  }