'use client'

import type { KeyboardEvent, ReactNode } from 'react'

import { useState } from 'react'
import { Controller, type Control } from 'react-hook-form'

import { Input, Textarea } from '@/components/heroui/Input'
import { NumberInput } from '@/components/heroui/NumberInput'
import { buildOutsideLabel, formatNumberInputDisplayValue } from '@/components/formElements/input/inputUtils'
import Button from '@/components/formElements/Button'
import EyeCrossedIcon from '@/components/icons/EyeCrossedIcon'
import EyeIcon from '@/components/icons/EyeIcon'
import { convertPersianToEnglish } from '@/helpers'
import { formatTomanInWords } from '@/helpers/numberToPersianWords'
import { texts } from '@/texts'

function isTomanAmountLabel(label?: string): boolean {
  return typeof label === 'string' && label.includes(texts.common.toman)
}

function buildAmountDescription(value: unknown, label: string | undefined, existing?: ReactNode): ReactNode {
  if (!isTomanAmountLabel(label)) return existing

  const amountInWords = formatTomanInWords(value)

  if (!amountInWords && !existing) return undefined
  if (!amountInWords) return existing
  if (!existing) return amountInWords

  return (
    <>
      <span className="block">{amountInWords}</span>
      <span className="mt-1 block">{existing}</span>
    </>
  )
}

interface Props {
  ariaLabel?: string
  autoFocus?: boolean
  className?: string
  control: Control
  description?: ReactNode
  direction: 'rtl' | 'ltr'
  disabled?: boolean
  englishDigitsOnly: boolean
  finalInputWrapper: string
  formatOptions?: Intl.NumberFormatOptions
  iconEnd?: ReactNode
  iconStart?: ReactNode
  inputType?: 'text' | 'email' | 'number' | 'password' | 'tel'
  isClearable: boolean
  kind: 'input' | 'numberInput' | 'textarea'
  label?: string
  labelIcon?: ReactNode
  maxValue?: number
  minValue?: number
  name: string
  placeholder?: string
  radius: 'none' | 'sm' | 'md' | 'lg' | 'full'
  readonly?: boolean
  required?: boolean
  size?: 'sm' | 'md' | 'lg'
  textAreaMinRows: number
  variant: 'flat' | 'bordered' | 'faded' | 'underlined'
  onBlur?: () => void
  onClear?: () => void
  onKeyDown?: (event: KeyboardEvent<HTMLInputElement>) => void
}

export default function TextFieldControl(props: Props) {
  const [passwordVisible, setPasswordVisible] = useState(false)
  const { control, kind, name } = props

  return (
    <Controller
      control={control}
      name={name}
      render={({ field, fieldState: { error } }) => {
        const description = buildAmountDescription(field.value, props.label, props.description)
        const common = {
          autoFocus: props.autoFocus,
          className: props.className,
          description,
          errorMessage: error?.message,
          isDisabled: props.disabled,
          isInvalid: !!error,
          isReadOnly: props.readonly,
          isRequired: false,
          labelPlacement: 'outside' as const,
          placeholder: props.placeholder,
          radius: props.radius,
          size: props.size,
          validationBehavior: 'aria' as const,
          variant: props.variant,
        }

        if (kind === 'textarea') {
          const canClear = props.isClearable && !props.readonly

          return (
            <Textarea
              {...field}
              {...common}
              classNames={{ inputWrapper: props.finalInputWrapper, label: 'labelClass' }}
              isClearable={canClear}
              label={buildOutsideLabel(props.label, null, props.required)}
              minRows={props.textAreaMinRows}
              onBlur={() => {
                field.onBlur()
                props.onBlur?.()
              }}
              {...(canClear
                ? {
                    onClear: () => {
                      field.onChange('')
                    },
                  }
                : {})}
            />
          )
        }

        if (kind === 'numberInput') {
          const { onChange, value, ...fieldRest } = field

          if (props.readonly) {
            return (
              <Input
                {...fieldRest}
                {...common}
                isReadOnly
                aria-label={props.ariaLabel}
                classNames={{ innerWrapper: props.direction, inputWrapper: props.finalInputWrapper, label: 'labelClass' }}
                endContent={props.iconEnd}
                label={buildOutsideLabel(props.label, props.labelIcon ?? null, props.required)}
                startContent={props.iconStart}
                type="text"
                value={formatNumberInputDisplayValue(value, props.formatOptions)}
              />
            )
          }

          return (
            <NumberInput
              {...fieldRest}
              {...common}
              classNames={{ inputWrapper: props.finalInputWrapper, label: 'labelClass' }}
              endContent={props.iconEnd}
              formatOptions={props.formatOptions}
              isClearable={props.isClearable}
              label={buildOutsideLabel(props.label, props.labelIcon ?? null, props.required)}
              maxValue={props.maxValue}
              minValue={props.minValue}
              startContent={props.iconStart}
              value={value ?? undefined}
              {...(props.isClearable
                ? {
                    onClear: () => {
                      if (props.onClear) {
                        props.onClear()
                      } else {
                        onChange(undefined)
                      }
                    },
                  }
                : {})}
              onValueChange={onChange}
            />
          )
        }

        const isTel = props.inputType === 'tel'
        // tel: LTR digit order. Alignment comes from styles/input.scss via
        // :placeholder-shown (empty → right, typed → left). Do not set inline
        // text-align — it fights the stylesheet when the DOM value updates first.
        const canClear = props.isClearable && !props.readonly && props.inputType !== 'password' && !isTel
        const isRtlLayout = props.direction === 'rtl' && !isTel

        return (
          <Input
            {...field}
            {...common}
            aria-label={props.ariaLabel}
            classNames={{
              innerWrapper: isRtlLayout ? 'flex-row-reverse' : '',
              input: isRtlLayout ? 'text-right' : isTel ? undefined : 'text-left',
              inputWrapper: props.finalInputWrapper,
              label: 'labelClass',
            }}
            dir={isTel ? 'ltr' : undefined}
            endContent={
              props.inputType === 'password' ? (
                <Button
                  iconOnly
                  aria-label={passwordVisible ? texts.common.hidePassword : texts.common.showPassword}
                  className="rounded-full bg-transparent focus:outline-none"
                  color="default"
                  size="sm"
                  variant="light"
                  onClick={() => {
                    setPasswordVisible((value) => !value)
                  }}
                >
                  {passwordVisible ? (
                    <EyeCrossedIcon className="size-4 text-text-light-25" />
                  ) : (
                    <EyeIcon className="size-4 text-text-light-25" />
                  )}
                </Button>
              ) : (
                props.iconEnd
              )
            }
            inputMode={isTel ? 'tel' : props.englishDigitsOnly ? 'numeric' : undefined}
            isClearable={canClear}
            label={buildOutsideLabel(props.label, props.labelIcon ?? null, props.required)}
            max={props.maxValue}
            min={props.minValue}
            pattern={props.englishDigitsOnly ? '[0-9]*' : undefined}
            startContent={props.iconStart}
            type={passwordVisible ? 'text' : props.inputType}
            onBlur={() => {
              field.onBlur()
              props.onBlur?.()
            }}
            onChange={(event) => {
              let value = event.target.value

              if (props.englishDigitsOnly || isTel) value = convertPersianToEnglish(value).replace(/\D/g, '')
              else if (props.inputType === 'number') value = String(Number(value))
              field.onChange(value)
            }}
            onKeyDown={props.onKeyDown}
            {...(canClear
              ? {
                  onClear: () => {
                    if (props.onClear) {
                      props.onClear()
                    } else {
                      field.onChange('')
                    }
                  },
                }
              : {})}
          />
        )
      }}
    />
  )
}