import { useEffect, useState } from 'react'
import { createPortal } from 'react-dom'
import { X } from 'lucide-react'
import { useLocale } from '@meshkee/dashboard-ui'
import type { BusinessCustomer } from '../services/customerService'
import { useT } from '../i18n/useT'
import { CustomerSearchSelect } from './CustomerSearchSelect'
import modalStyles from './VariationsModal.module.css'
import styles from './AddWorkshopRegistrationModal.module.css'

interface AddWorkshopRegistrationModalProps {
  open: boolean
  excludeIds: string[]
  isAdding: boolean
  error?: string
  onClose: () => void
  onPick: (customer: BusinessCustomer) => void
}

const ANIMATION_MS = 220

export function AddWorkshopRegistrationModal({
  open,
  excludeIds,
  isAdding,
  error = '',
  onClose,
  onPick,
}: AddWorkshopRegistrationModalProps) {
  const t = useT()
  const { locale } = useLocale()
  const isFa = locale === 'fa'
  const [mounted, setMounted] = useState(open)
  const [closing, setClosing] = useState(false)

  useEffect(() => {
    if (open) {
      setMounted(true)
      setClosing(false)
    } else if (mounted) {
      setClosing(true)
      const timer = setTimeout(() => {
        setMounted(false)
        setClosing(false)
      }, ANIMATION_MS)
      return () => clearTimeout(timer)
    }
  }, [open, mounted])

  useEffect(() => {
    if (!mounted || closing) return
    const onKey = (e: KeyboardEvent) => {
      if (e.key === 'Escape') onClose()
    }
    document.addEventListener('keydown', onKey)
    return () => document.removeEventListener('keydown', onKey)
  }, [mounted, closing, onClose])

  if (!mounted) return null

  return createPortal(
    <div
      className={`${modalStyles.overlay} ${modalStyles.overlayNested} ${closing ? modalStyles.overlayOut : modalStyles.overlayIn}`}
      onClick={onClose}
    >
      <div
        className={`${modalStyles.modal} ${styles.modal} ${closing ? modalStyles.modalOut : modalStyles.modalIn}`}
        onClick={(e) => e.stopPropagation()}
        role="dialog"
        aria-modal="true"
        aria-labelledby="add-workshop-registration-title"
        lang={isFa ? 'fa' : 'en'}
        dir={isFa ? 'rtl' : 'ltr'}
      >
        <div className={modalStyles.header}>
          <h3 id="add-workshop-registration-title" className={modalStyles.title}>
            {t('workshop.registrations.add')}
          </h3>
          <button
            type="button"
            className={modalStyles.closeBtn}
            onClick={onClose}
            aria-label={t('common.close')}
          >
            <X size={20} />
          </button>
        </div>

        <div className={styles.body}>
          {error ? (
            <p className={styles.error} role="alert">
              {error}
            </p>
          ) : null}

          <div className={modalStyles.field}>
            <label htmlFor="workshop-registration-customer-search">
              {t('workshop.registrations.searchLabel')}
            </label>
            <CustomerSearchSelect
              id="workshop-registration-customer-search"
              value={null}
              onChange={() => undefined}
              onPick={onPick}
              excludeIds={excludeIds}
              disabled={isAdding}
              placeholder={t('workshop.registrations.searchPlaceholder')}
            />
          </div>

          <p className={styles.hint}>{t('workshop.registrations.searchHint')}</p>
        </div>
      </div>
    </div>,
    document.body,
  )
}