import { useState, useEffect } from 'react'
import htmlParser from 'html-react-parser'
import Loader from '../../components/Loader'
import useAPI from '../../hooks/useAPI'
import api from '../../utils/api'
import '../../public/css/pages/admin.css'

const AddEditFunction = (props) => {
  const [, categories] = useAPI('/categories')
  const [inputState, setInputState] = useState(props.defaultInputState)
  const [message, setMessage] = useState('')
  const [isLoading, setIsLoading] = useState(false)

  useEffect(() => {
    if (categories.length > 0 && !props.isEditing) {
      handleChange({
        target: {
          name: 'categorieId',
          value: categories[0].id
        }
      })
    }
  }, [categories])

  const apiCallFunction = (formData) => {
    if (props.isEditing) return api.put(`/admin/functions/${inputState.id}`, formData, { headers: { Authorization: props.user.token } })
    return api.post('/admin/functions', formData, { headers: { Authorization: props.user.token } })
  }

  const handleChange = (event, isTypeCheck = false) => {
    const inputStateNew = { ...inputState }
    inputStateNew[event.target.name] = (event.target.files != null) ? event.target.files[0] : (isTypeCheck) ? event.target.checked : event.target.value
    setInputState(inputStateNew)
  }

  const handleSubmit = (event) => {
    event.preventDefault()
    setIsLoading(true)
    const formData = new window.FormData()
    formData.append('type', inputState.type)
    formData.append('categorieId', inputState.categorieId)
    formData.append('title', inputState.title)
    formData.append('slug', inputState.slug)
    formData.append('description', inputState.description)
    formData.append('image', inputState.image)

    if (props.isEditing) {
      formData.append('isOnline', inputState.isOnline)
    }

    apiCallFunction(formData)
      .then(() => {
        setIsLoading(false)
        window.location.reload(true)
      })
      .catch((error) => {
        setMessage(`<p class="form-error"><b>Erreur:</b> ${error.response.data.message}</p>`)
        setIsLoading(false)
      })
  }

  return (
    <>
      <form onSubmit={handleSubmit}>
        <div className='form-group'>
          <label className='form-label' htmlFor='title'>Titre :</label>
          <input value={inputState.title} onChange={handleChange} type='text' name='title' id='title' className='form-control' placeholder='(e.g : Nombre aléatoire)' />
        </div>

        <div className='form-group'>
          <label className='form-label' htmlFor='slug'>Slug :</label>
          <input value={inputState.slug} onChange={handleChange} type='text' name='slug' id='slug' className='form-control' placeholder='(e.g : randomNumber)' />
        </div>

        <div className='form-group'>
          <label className='form-label' htmlFor='description'>Description :</label>
          <textarea style={{ height: 'auto' }} value={inputState.description} onChange={handleChange} name='description' id='description' className='form-control' rows='5' />
        </div>

        <div className='form-group'>
          <label className='form-label' htmlFor='type'>Type :</label>
          <select onChange={handleChange} name='type' id='type' className='form-control' {...(props.isEditing) && { value: inputState.type }}>
            <option value='form'>Formulaire</option>
            <option value='article'>Article</option>
            <option value='page'>Page</option>
          </select>
        </div>

        <div className='form-group'>
          <label className='form-label' htmlFor='categorieId'>Catégorie :</label>
          <select onChange={handleChange} name='categorieId' id='categorieId' className='form-control' {...(props.isEditing) && { value: inputState.categorieId }}>
            {categories.map((category) => (
              <option key={category.id} value={category.id} className='Admin__Modal-select-option' style={{ backgroundColor: category.color }}>{category.name}</option>
            ))}
          </select>
        </div>

        <div className='form-group'>
          <label className='form-label' htmlFor='image'>Image <em>(150x150 recommandé)</em> :</label>
          <br />
          <input onChange={handleChange} accept='image/jpeg,image/jpg,image/png' type='file' name='image' id='image' />
        </div>

        {(props.isEditing) &&
          <div className='form-group custom-control custom-switch'>
            <input onChange={(event) => handleChange(event, true)} type='checkbox' name='isOnline' checked={inputState.isOnline} className='custom-control-input' id='isOnline' />
            <label className='custom-control-label' htmlFor='isOnline'>isOnline</label>
          </div>}

        <div className='form-group text-center'>
          <button type='submit' className='btn btn-dark'>Envoyer</button>
        </div>
      </form>

      <div className='form-result text-center'>
        {
          (isLoading)
            ? <Loader />
            : htmlParser(message)
        }
      </div>
    </>
  )
}

export default AddEditFunction