import Image from 'next/image'
import { useRouter } from 'next/router'
import { useState } from 'react'
import { Type } from '@sinclair/typebox'
import { PhotographIcon } from '@heroicons/react/solid'
import { Form, useForm } from 'react-component-form'
import useTranslation from 'next-translate/useTranslation'
import classNames from 'clsx'
import type { HandleUseFormCallback } from 'react-component-form'

import { guildSchema } from '../../../models/Guild'
import { FormState } from '../../design/FormState'
import { useGuildMember } from '../../../contexts/GuildMember'
import { Textarea } from '../../design/Textarea'
import { Input } from '../../design/Input'
import { Button } from '../../design/Button'
import { useAuthentication } from '../../../tools/authentication'
import { ConfirmPopup } from '../ConfirmPopup'
import { useFormTranslation } from '../../../hooks/useFormTranslation'

const schema = {
  name: guildSchema.name,
  description: Type.Optional(guildSchema.description)
}

export const GuildSettings: React.FC = () => {
  const { t } = useTranslation()
  const router = useRouter()
  const { authentication } = useAuthentication()
  const { guild, member } = useGuildMember()

  const [inputValues, setInputValues] = useState({
    name: guild.name,
    description: guild.description
  })

  const [confirmation, setConfirmation] = useState(false)

  const handleConfirmation = (): void => {
    return setConfirmation(!confirmation)
  }

  const {
    handleUseForm,
    fetchState,
    message,
    errors,
    setFetchState,
    setMessage
  } = useForm(schema)
  const { getFirstErrorTranslation } = useFormTranslation()

  const onSubmit: HandleUseFormCallback<typeof schema> = async (formData) => {
    try {
      await authentication.api.put(`/guilds/${guild.id}`, formData)
      setInputValues(formData as unknown as any)
      return {
        type: 'success',
        message: 'application:saved-information'
      }
    } catch (error) {
      return {
        type: 'error',
        message: 'errors:server-error'
      }
    }
  }

  const onChange: React.ChangeEventHandler<
    HTMLInputElement | HTMLTextAreaElement
  > = (event) => {
    setInputValues((oldInputValues) => {
      return {
        ...oldInputValues,
        [event.target.name]: event.target.value
      }
    })
  }

  const handleFileChange: React.ChangeEventHandler<HTMLInputElement> = async (
    event
  ) => {
    setFetchState('loading')
    const files = event?.target?.files
    if (files != null && files.length === 1 && files[0] != null) {
      const file = files[0]
      const formData = new FormData()
      formData.append('icon', file)
      try {
        await authentication.api.put(`/guilds/${guild.id}/icon`, formData)
        setFetchState('idle')
      } catch (error) {
        setFetchState('error')
        setMessage('errors:server-error')
      }
    }
  }

  const handleDelete = async (): Promise<void> => {
    try {
      await authentication.api.delete(`/guilds/${guild.id}`)
    } catch (error) {
      setFetchState('error')
      setMessage('errors:server-error')
    }
  }

  const handleLeave = async (): Promise<void> => {
    try {
      await authentication.api.delete(`/guilds/${guild.id}/members/leave`)
      await router.push('/application')
    } catch (error) {
      setFetchState('error')
      setMessage('errors:server-error')
    }
  }

  return (
    <>
      <Form
        onSubmit={handleUseForm(onSubmit)}
        className='my-auto flex flex-col items-center justify-center py-12'
      >
        {member.isOwner && (
          <div className='flex w-full flex-col items-center justify-center sm:w-fit lg:flex-row'>
            <div className=' flex w-full flex-wrap items-center justify-center px-6 sm:w-max'>
              <div className='relative'>
                <div className='absolute z-50 h-full w-full'>
                  <button className='relative flex h-full w-full items-center justify-center transition hover:scale-110'>
                    <input
                      type='file'
                      className='absolute h-full w-full cursor-pointer opacity-0'
                      onChange={handleFileChange}
                    />
                    <PhotographIcon color='white' className='h-8 w-8' />
                  </button>
                </div>
                <div className='flex items-center justify-center rounded-full bg-black shadow-xl'>
                  <Image
                    quality={100}
                    className='rounded-full opacity-50'
                    src={
                      guild.icon == null
                        ? '/images/data/guild-default.png'
                        : guild.icon
                    }
                    alt='Profil Picture'
                    draggable='false'
                    height={125}
                    width={125}
                  />
                </div>
              </div>
              <div className='mx-12 flex flex-col'>
                <Input
                  name='name'
                  label={t('common:name')}
                  placeholder={t('common:name')}
                  className='!mt-0'
                  onChange={onChange}
                  value={inputValues.name}
                  error={getFirstErrorTranslation(errors.name)}
                  data-cy='guild-name-input'
                />
                <Textarea
                  name='description'
                  label={'Description'}
                  placeholder={'Description'}
                  id='textarea-description'
                  onChange={onChange}
                  value={inputValues.description ?? ''}
                  data-cy='guild-description-input'
                />
              </div>
            </div>
          </div>
        )}
        <div className='mt-12 flex flex-col items-center justify-center sm:w-fit'>
          <div className='space-x-6'>
            {member.isOwner ? (
              <>
                <Button type='submit' data-cy='button-save-guild-settings'>
                  {t('application:save')}
                </Button>
                <Button
                  type='button'
                  color='red'
                  onClick={handleConfirmation}
                  data-cy='button-delete-guild-settings'
                >
                  {t('application:delete')}
                </Button>
              </>
            ) : (
              <Button
                color='red'
                onClick={handleLeave}
                data-cy='button-leave-guild-settings'
              >
                {t('application:leave')} {guild.name}
              </Button>
            )}
          </div>
          <FormState
            state={fetchState}
            message={
              message != null
                ? t(message)
                : getFirstErrorTranslation(errors.name)
            }
          />
        </div>
      </Form>
      <div
        className={classNames(
          'pointer-events-none invisible absolute z-50 flex h-full w-full items-center justify-center bg-black bg-opacity-90 opacity-0 backdrop-blur-md transition-all',
          { 'pointer-events-auto !visible !opacity-100': confirmation }
        )}
      >
        <ConfirmPopup
          className={classNames('relative top-8 transition-all', {
            '!top-0': confirmation
          })}
          handleYes={handleDelete}
          handleNo={handleConfirmation}
          title={`${t('application:delete-the-guild')} ?`}
        />
      </div>
    </>
  )
}