text: import React, { useState, useEffect } from 'react'
  import { Form, Button } from 'react-bootstrap'
  import { useDispatch, useSelector } from 'react-redux'
  import { Link, useNavigate } from 'react-router-dom'
  
  import Loader from '../components/Loader'
  import Message from '../components/Message'
  import { getUserDetails, updateUser } from '../actions/userActions'
  import FormContainer from '../components/FormContainer'
  import { useParams } from 'react-router-dom'
  import { USER_UPDATE_RESET } from '../constants/userConstants'
  
  
  const UserEditScreen = () => {
  
    const dispatch = useDispatch()
    const navigate = useNavigate()
    const params = useParams()
  
  
    const userId = params.id
  
    const [name, setName] = useState('')
    const [email, setEmail] = useState('')
    const [isAdmin, setIsAdmin] = useState(false)
  
    const userDetails = useSelector(state => state.userDetails)
    const { error, loading, user } = userDetails
  
    const userUpdate = useSelector(state => state.userUpdate)
    const { error: errorUpdate, loading: loadingUpdate, success: successUpdate } = userUpdate
  
  
  
    useEffect(() => {
      if (successUpdate) {
        dispatch({ type: USER_UPDATE_RESET })
        navigate('/admin/userlist')
      }
      else {
        if (!user.name || Number(user._id) !== Number(userId)) {
          dispatch(getUserDetails(userId))
        }
        else {
          setName(user.name)
          setEmail(user.email)
          setIsAdmin(user.is_admin)
        }
      }
  
    }, [user, userId, dispatch, navigate, successUpdate])
  
    const submitHandler = (e) => {
      e.preventDefault()
      console.log(name, email, isAdmin)
      dispatch(updateUser({ _id: user._id, name, email, isAdmin }))
  
    }
    return (
      <div>
        <Link to='/admin/userlist'>
          Go Back
        </Link>
        <FormContainer>
          <h1>Edit User </h1>
          {loadingUpdate && <Loader />}
          {errorUpdate && <Message variant='danger'>{errorUpdate}</Message>}
          {loading
            ? <Loader />
            : error
              ? <Message variant='danger'>{error}</Message>
              : (
                <Form onSubmit={submitHandler}>
                  <Form.Group controlId='name'>
                    <Form.Label>
                      Name
                    </Form.Label>
                    <Form.Control
                      type='text'
                      placeholder='Enter Name'
                      value={name}
                      onChange={(e) => setName(e.target.value)}
                    />
                  </Form.Group>
                  <Form.Group controlId='email'>
                    <Form.Label>
                      Email Address
                    </Form.Label>
                    <Form.Control
                      type='email'
                      placeholder='Enter Email'
                      value={email}
                      onChange={(e) => setEmail(e.target.value)}
                    />
                  </Form.Group>
                  <Form.Group controlId='isadmin'>
                    <Form.Check
                      type='checkbox'
                      label='Is Admin'
                      checked={isAdmin}
                      onChange={(e) => setIsAdmin(e.target.checked)}
                    >
                    </Form.Check>
                  </Form.Group>
                  <Button type='submit' variant='primary' className='mt-4' >Update</Button>
                </Form>
              )
          }
        </FormContainer>
      </div>
    )
  }
  
  export default UserEditScreen
  