import Link from 'next/link'
import { useEffect, useState, forwardRef, useContext } from 'react'
import date from 'date-and-time'
import htmlParser from 'html-react-parser'
import { UserContext } from '../../../contexts/UserContext'
import { API_URL } from '../../../utils/config/config'
import ReactMarkdown from 'react-markdown'
import CodeBlock from '../../CodeBlock'
import api from '../../../utils/api'
import './CommentCard.css'

const CommentCard = forwardRef((props, ref) => {
  const { isAuth, user } = useContext(UserContext)
  const [isEditing, setEditing] = useState(false)
  const [editInput, setEditInput] = useState('')
  const [message, setMessage] = useState('')

  useEffect(() => {
    setEditInput(props.message)
  }, [])

  const deleteCommentById = async () => {
    props.manageComment.setLoadingComments(true)
    if (isAuth && user.token != null) {
      try {
        await api.delete(`/comments/${props.id}`, { headers: { Authorization: user.token } })
        const newCommentsData = { ...props.manageComment.commentsData }
        const commentIndex = newCommentsData.rows.findIndex((value) => value.id === props.id)
        newCommentsData.rows.splice(commentIndex, 1)
        props.manageComment.setCommentsData({ hasMore: props.manageComment.commentsData.hasMore, rows: newCommentsData.rows })
      } catch {}
    }
    props.manageComment.setLoadingComments(false)
  }

  const handleChange = (event) => {
    setEditInput(event.target.value)
  }

  const handleSubmit = (event) => {
    event.preventDefault()
    api.put(`/comments/${props.id}`, { message: editInput }, { headers: { Authorization: user.token } })
      .then((_response) => {
        setEditing(false)
      })
      .catch((error) => {
        setMessage(`<p class="form-error"><b>Erreur:</b> ${error.response.data.message}</p>`)
      })
  }

  const editComment = () => {
    setEditing(true)
    setMessage('')
  }

  return (
    <div ref={ref} className='CommentCard col-24'>
      <div className='CommentCard__container'>
        <div className='row'>
          <Link href='/users/[name]' as={`/users/${props.user.name}`}>
            <img className='CommentCard__user-logo' src={API_URL + props.user.logo} alt={props.user.name} />
          </Link>
          <span className='CommentCard__message-info'>
            <Link href='/users/[name]' as={`/users/${props.user.name}`}>
              <a>{props.user.name}</a>
            </Link>
                        &nbsp;- {date.format(new Date(props.createdAt), 'DD/MM/YYYY à HH:mm', true)}
          </span>
        </div>
        <div className='row'>
          <div className='col-24'>
            {
              (!isEditing)
                ? (
                  <>
                    <div className='CommentCard__message'>
                      <ReactMarkdown source={editInput} renderers={{ code: CodeBlock }} />
                    </div>
                    {(isAuth && user.name === props.user.name) &&
                      <p style={{ fontSize: '15px', margin: '15px 0 0 0', fontStyle: 'italic' }}>
                        <a onClick={deleteCommentById} href='#'>supprimer</a>
                                              &nbsp;-&nbsp;
                        <a style={{ cursor: 'pointer' }} onClick={editComment}>modifier</a>
                      </p>}
                  </>
                )
                : (
                  <form onSubmit={handleSubmit}>
                    <div className='form-group FunctionComments__post-group'>
                      <label className='form-label' htmlFor='commentEdit'>Modifier le commentaire :</label>
                      <textarea style={{ height: 'auto' }} value={editInput} onChange={handleChange} name='commentEdit' id='commentEdit' className='form-control' rows='5' placeholder="Idée d'amélioration, avis, remarque, partage d'expérience personnel, ... (Markdown autorisé)" />
                    </div>
                    <div className='form-group' style={{ marginTop: '0.7em' }}>
                      <button type='submit' className='btn btn-dark'>Envoyer</button>
                    </div>
                    <div className='text-center'>
                      {htmlParser(message)}
                    </div>
                  </form>
                )
            }
          </div>
        </div>
      </div>
    </div>
  )
})

export default CommentCard