import { Form, Input, SubmitButton } from '../components/form'
import { useRouter } from 'next/router'
import * as Yup from 'yup'
import { gql, useApolloClient, useLazyQuery, useMutation } from '@apollo/client'
import Countdown from './countdown'
import AdvPostForm, { AdvPostInitial, AdvPostSchema } from './adv-post-form'
import { ITEM_FIELDS } from '../fragments/items'
import Item from './item'
import AccordianItem from './accordian-item'
import { MAX_TITLE_LENGTH } from '../lib/constants'
import FeeButton, { EditFeeButton } from './fee-button'

// eslint-disable-next-line
const URL = /^((https?|ftp):\/\/)?(www.)?(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?(((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?)(:\d*)?)(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)?(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i

export function LinkForm ({ item, editThreshold }) {
  const router = useRouter()
  const client = useApolloClient()

  const [getPageTitle, { data }] = useLazyQuery(gql`
    query PageTitle($url: String!) {
      pageTitle(url: $url)
    }`, {
    fetchPolicy: 'network-only'
  })
  const [getDupes, { data: dupesData }] = useLazyQuery(gql`
  ${ITEM_FIELDS}
  query Dupes($url: String!) {
    dupes(url: $url) {
      ...ItemFields
    }
  }`, {
    fetchPolicy: 'network-only'
  })

  const [upsertLink] = useMutation(
    gql`
      mutation upsertLink($id: ID, $title: String!, $url: String!, $boost: Int, $forward: String) {
        upsertLink(id: $id, title: $title, url: $url, boost: $boost, forward: $forward) {
          id
        }
      }`
  )

  const LinkSchema = Yup.object({
    title: Yup.string().required('required').trim()
      .max(MAX_TITLE_LENGTH,
        ({ max, value }) => `${Math.abs(max - value.length)} too many`),
    url: Yup.string().matches(URL, 'invalid url').required('required'),
    ...AdvPostSchema(client)
  })

  return (
    <Form
      initial={{
        title: item?.title || '',
        url: item?.url || '',
        ...AdvPostInitial({ forward: item?.fwdUser?.name })
      }}
      schema={LinkSchema}
      onSubmit={async ({ boost, title, ...values }) => {
        const { error } = await upsertLink({
          variables: { id: item?.id, boost: Number(boost), title: title.trim(), ...values }
        })
        if (error) {
          throw new Error({ message: error.toString() })
        }
        if (item) {
          await router.push(`/items/${item.id}`)
        } else {
          await router.push('/recent')
        }
      }}
      storageKeyPrefix={item ? undefined : 'link'}
    >
      <Input
        label='title'
        name='title'
        overrideValue={data?.pageTitle}
        required
        clear
      />
      <Input
        label='url'
        name='url'
        required
        autoFocus
        clear
        hint={editThreshold
          ? <div className='text-muted font-weight-bold'><Countdown date={editThreshold} /></div>
          : null}
        onChange={async (formik, e) => {
          if ((/^ *$/).test(formik?.values.title)) {
            getPageTitle({
              variables: { url: e.target.value }
            })
          }
          getDupes({
            variables: { url: e.target.value }
          })
        }}
      />
      <AdvPostForm edit={!!item} />
      <div className='mt-3'>
        {item
          ? <EditFeeButton
              paidSats={item.meSats}
              parentId={null} text='save' ChildButton={SubmitButton} variant='secondary'
            />
          : <FeeButton
              baseFee={1} parentId={null} text='post'
              ChildButton={SubmitButton} variant='secondary'
            />}
      </div>
      {dupesData?.dupes?.length > 0 &&
        <div className='mt-3'>
          <AccordianItem
            show
            headerColor='#c03221'
            header={<div style={{ fontWeight: 'bold', fontSize: '92%' }}>dupes</div>}
            body={
              <div>
                {dupesData.dupes.map((item, i) => (
                  <Item item={item} key={item.id} />
                ))}
              </div>
              }
          />
        </div>}

    </Form>
  )
}