import { useState } from 'react'
import api from '../../utils/api'
import 'notyf/notyf.min.css'

const EditFormFunction = (props) => {
  const [inputsArray, setInputsArray] = useState(props.functionInfo.utilizationForm || [])

  const addInput = () => {
    const newInputsArray = [...inputsArray]
    newInputsArray.push({ name: '', label: '', placeholder: '', type: 'text' })
    setInputsArray(newInputsArray)
  }

  const addOption = (event) => {
    const newInputsArray = [...inputsArray]
    const index = event.target.id.split('-')[1]
    const inputObject = newInputsArray[index]
    inputObject.options.push({ name: '', value: '' })
    setInputsArray(newInputsArray)
  }

  const handleChangeOption = (inputIndex, optionIndex, event) => {
    const newInputsArray = [...inputsArray]
    const inputObject = newInputsArray[inputIndex]
    const optionObject = inputObject.options[optionIndex]
    optionObject[event.target.name] = event.target.value
    setInputsArray(newInputsArray)
  }

  const handleChangeInput = (event) => {
    const newInputsArray = [...inputsArray]
    const index = event.target.id.split('-')[1]
    const inputObject = newInputsArray[index]
    inputObject[event.target.name] = event.target.value
    if (event.target.value === 'select') {
      inputObject.options = []
    }
    setInputsArray(newInputsArray)
  }

  const handleSubmit = async (event) => {
    event.preventDefault()
    let Notyf
    if (typeof window !== 'undefined') {
      Notyf = require('notyf')
    }
    const notyf = new Notyf.Notyf({
      duration: 5000
    })
    try {
      await api.put(`/admin/functions/form/${props.functionInfo.id}`, { form: inputsArray }, { headers: { Authorization: props.user.token } })
      notyf.success('Sauvegardé!')
    } catch (error) {
      notyf.error('Erreur!')
    }
  }

  const handleRemoveInput = (event) => {
    const newInputsArray = [...inputsArray]
    const index = event.target.id.split('-')[1]
    newInputsArray.splice(index, 1)
    setInputsArray(newInputsArray)
  }

  const handleRemoveOption = (inputIndex, optionIndex) => {
    const newInputsArray = [...inputsArray]
    const inputObject = newInputsArray[inputIndex]
    const optionsArray = inputObject.options
    optionsArray.splice(optionIndex, 1)
    setInputsArray(newInputsArray)
  }

  return (
    <div className='container-fluid'>

      <form onSubmit={handleSubmit}>

        {(inputsArray.length > 0) &&
          <div className='form-group text-center'>
            <button type='submit' className='btn btn-dark'>Sauvegarder</button>
          </div>}

        {inputsArray.map((input, index) => {
          return (
            <div key={index} className='form-group Admin__Input-group'>

              <div className='text-center'>
                <button type='button' onClick={handleRemoveInput} id={`remove-${index}`} className='btn btn-dark'>Supprimer l'input</button>
              </div>

              <label className='form-label' htmlFor={`name-${index}`}>Nom de l'input :</label>
              <input value={input.name} onChange={handleChangeInput} type='text' name='name' id={`name-${index}`} className='form-control' placeholder='(e.g : cityName)' />
              <br />

              <label className='form-label' htmlFor={`label-${index}`}>Label :</label>
              <input value={input.label} onChange={handleChangeInput} type='text' name='label' id={`label-${index}`} className='form-control' placeholder="(e.g : Entrez le nom d'une ville :)" />
              <br />

              {(input.type !== 'select') &&
                <>
                  <label className='form-label' htmlFor={`placeholder-${index}`}>Placeholder :</label>
                  <input value={input.placeholder} onChange={handleChangeInput} type='text' name='placeholder' id={`placeholder-${index}`} className='form-control' placeholder='(e.g : Paris, FR)' />
                  <br />
                </>}

              <label className='form-label' htmlFor={`type-${index}`}>Type :</label>
              <select value={input.type} onChange={handleChangeInput} name='type' id={`type-${index}`} className='form-control'>
                <option value='text'>text</option>
                <option value='integer'>Number integer</option>
                <option value='float'>Number float</option>
                <option value='calendar'>calendar</option>
                <option value='select'>select</option>
              </select>

              {(input.type === 'select') &&
                <div style={{ marginTop: '50px' }}>

                  <label className='form-label'>Options :</label>

                  {input.options.map((option, optionIndex) => {
                    return (
                      <div key={optionIndex} style={{ margin: '0 0 30px 0' }} className='form-group Admin__Input-group'>
                        <div className='text-center'>
                          <button type='button' onClick={() => handleRemoveOption(index, optionIndex)} className='btn btn-dark'>Supprimer l'option</button>
                        </div>

                        <label className='form-label' htmlFor={`optionName-${optionIndex}-${index}`}>Nom de l'option</label>
                        <input onChange={(event) => handleChangeOption(index, optionIndex, event)} value={option.name} id={`optionName-${optionIndex}-${index}`} name='name' type='text' className='form-control' placeholder="Nom de l'option" />

                        <br />
                        <label className='form-label' htmlFor={`optionValue-${optionIndex}-${index}`}>Valeur de l'option</label>
                        <input onChange={(event) => handleChangeOption(index, optionIndex, event)} value={option.value} id={`optionValue-${optionIndex}-${index}`} name='value' type='text' className='form-control' placeholder="Valeur de l'option" />
                      </div>
                    )
                  })}

                  <div className='form-group text-center'>
                    <button id={`optionAdd-${index}`} onClick={addOption} type='button' className='btn btn-dark'>Ajouter une option</button>
                  </div>
                </div>}
            </div>
          )
        })}

      </form>

      <div style={{ marginBottom: '30px' }} className='form-group text-center'>
        <button type='button' onClick={addInput} className='btn btn-dark'>Ajouter un input</button>
      </div>
    </div>
  )
}

export default EditFormFunction