'use client'

import type { DatePickerRef } from 'react-multi-date-picker'

import { useRef, type ReactNode } from 'react'
import DatePicker from 'react-multi-date-picker'
import TimePicker from 'react-multi-date-picker/plugins/time_picker'
import persian from 'react-date-object/calendars/persian'
import persianFa from 'react-date-object/locales/persian_fa'
import { Controller, type Control } from 'react-hook-form'

import { cn } from '@/lib/cn'
import { buildOutsideLabel } from '@/components/formElements/input/inputUtils'
import CalendarIcon from '@/components/icons/CalendarIcon'
import { convertMinutesToTime, convertTimeToMinutes } from '@/helpers'
import { convertToISOFormat } from '@/helpers/dates'

type Variant = 'flat' | 'bordered' | 'faded' | 'underlined'
interface Props {
  autoFocus?: boolean
  className?: string
  control: Control
  description?: ReactNode
  disabled?: boolean
  finalInputWrapper: string
  kind: 'datePicker' | 'datePickerPro' | 'timePicker'
  label?: string
  labelIcon?: ReactNode
  maxDate?: string
  minDate: string
  name: string
  onlyYearPicker?: boolean
  placeholder?: string
  radius: 'none' | 'sm' | 'md' | 'lg' | 'full'
  readonly?: boolean
  required?: boolean
  size?: 'sm' | 'md' | 'lg'
  variant: Variant
  viewportWidth: number
}

function pickerStyles(size: Props['size'], variant: Variant, invalid = false) {
  const height = size === 'sm' ? '36px' : size === 'lg' ? '48px' : '40px'
  const error = 'var(--color-fourth)'
  const border = invalid ? error : '#e4e4e7'
  const base = { width: '100%', boxSizing: 'border-box' as const, height, borderRadius: '12px', color: 'black', padding: '0 12px' }

  if (variant === 'bordered') return { ...base, background: 'transparent', border: `1px solid ${border}`, borderColor: border }
  if (variant === 'faded') return { ...base, background: '#f4f4f5', border: `1px solid ${border}`, borderColor: border }
  if (variant === 'underlined')
    return {
      ...base,
      background: 'transparent',
      border: 'none',
      borderBottom: `1px solid ${border}`,
      borderRadius: '0',
      borderColor: border,
    }

  return { ...base, background: '#f4f4f5', border: invalid ? `1px solid ${error}` : 'none', borderColor: invalid ? error : '#f4f4f5' }
}

export default function DateFieldControl(props: Props) {
  const pickerRef = useRef<DatePickerRef | null>(null)

  return (
    <Controller
      control={props.control}
      name={props.name}
      render={({ field, fieldState: { error } }) => {
        if (props.kind === 'timePicker') {
          const time = convertMinutesToTime(field.value)

          return (
            <div className="relative flex flex-col">
              <div className="labelClass mb-1">{buildOutsideLabel(props.label, null, props.required)}</div>
              <DatePicker
                ref={pickerRef}
                disableDayPicker
                portal
                calendar={persian}
                calendarPosition="bottom-right"
                className="date-picker-input"
                containerStyle={{ width: '100%' }}
                disabled={props.disabled}
                format="HH:mm"
                locale={persianFa}
                placeholder={props.placeholder}
                plugins={[
                  <TimePicker
                    key="timePicker"
                    hideSeconds
                  />,
                ]}
                readOnly={props.readonly}
                style={pickerStyles(props.size, props.variant)}
                value={new Date().setHours(Number(time.hours), Number(time.minutes), 0, 0)}
                onChange={(value) => {
                  field.onChange(convertTimeToMinutes(`${value?.hour}:${value?.minute}`))
                  pickerRef.current?.closeCalendar()
                }}
              />
              {error && <span className="text-red-500">{error.message}</span>}
              {props.description && <p>{props.description}</p>}
            </div>
          )
        }

        const raw = field.value
        const valid = typeof raw === 'string' && raw.trim() !== '' && !Number.isNaN(new Date(raw).getTime())

        return (
          <div className="relative flex flex-col gap-1">
            <div className={cn('labelClass flex flex-row flex-nowrap items-center', error && '!text-[var(--color-fourth)]')}>
              {buildOutsideLabel(props.label, props.labelIcon ?? <CalendarIcon className="size-4" />, props.required, 0)}
            </div>
            <div className="rounded-[12px]">
              <DatePicker
                ref={pickerRef}
                portal
                showOtherDays
                calendar={persian}
                calendarPosition="bottom-right"
                className={cn('date-picker-input', error && 'date-picker-input--invalid')}
                containerStyle={{ width: '100%' }}
                disabled={props.disabled}
                format={props.onlyYearPicker ? 'YYYY' : 'YYYY/MM/DD'}
                locale={persianFa}
                mapDays={({ date }) => (date.weekDay.index === 6 ? { className: 'highlight highlight-red' } : {})}
                maxDate={props.maxDate}
                minDate={props.minDate}
                onlyYearPicker={props.onlyYearPicker}
                placeholder={props.placeholder}
                readOnly={props.readonly}
                style={pickerStyles(props.size, props.variant, !!error)}
                value={valid ? new Date(raw) : null}
                onChange={(value) => {
                  field.onChange(value ? convertToISOFormat(value) : '')
                  pickerRef.current?.closeCalendar()
                }}
              />
            </div>
            {error && <p className="text-tiny text-fourth-900">{error.message}</p>}
            {props.description && <p>{props.description}</p>}
          </div>
        )
      }}
    />
  )
}