import type { IDatePickerProps } from '@yz1311/react-native-wheel-picker'
import SegmentedControl from '@react-native-segmented-control/segmented-control'
import { DatePicker } from '@yz1311/react-native-wheel-picker'
import dayjs from 'dayjs'
import React, { useEffect, useRef, useState } from 'react'
import { Animated, Modal, StyleSheet, Text, TouchableOpacity, View } from 'react-native'
import { toDate } from '@/utils/time'

// 定义 mode 类型
export type DatePickerMode = 'year' | 'month' | 'date' | 'time' | 'datetime'

// 定义 format 类型
export type DateFormatType = 'YYYY' | 'YYYY-MM' | 'YYYY-MM-DD' | 'HH:mm:ss' | 'YYYY-MM-DD HH:mm:ss'

interface ADatePickerProps extends Omit<IDatePickerProps, 'date'> {
  date?: Date | string
  show?: boolean
  onClose?: () => void
  onConfirm?: (value: string) => void
  mode?: DatePickerMode
  format?: DateFormatType
}

const defaultFormatMap: Record<DatePickerMode, DateFormatType> = {
  year: 'YYYY',
  month: 'YYYY-MM',
  date: 'YYYY-MM-DD',
  time: 'HH:mm:ss',
  datetime: 'YYYY-MM-DD HH:mm:ss',
}

export default function ADatePicker({
  date,
  show = false,
  onClose,
  onConfirm,
  format,
  ...restProps
}: ADatePickerProps) {
  const fadeAnim = useRef(new Animated.Value(0)).current
  const slideAnim = useRef(new Animated.Value(300)).current
  const [visible, setVisible] = useState(show)
  const [index, setIndex] = useState(0)
  const [mode, setMode] = useState<DatePickerMode>('month')

  // 使用传入 format 或默认 format
  const finalFormat = format || defaultFormatMap[mode]

  useEffect(() => {
    if (show) {
      setVisible(true)
      fadeAnim.setValue(0)
      slideAnim.setValue(300)
      Animated.parallel([
        Animated.timing(fadeAnim, { toValue: 1, duration: 250, useNativeDriver: true }),
        Animated.timing(slideAnim, { toValue: 0, duration: 250, useNativeDriver: true }),
      ]).start()
    }
    else {
      Animated.parallel([
        Animated.timing(fadeAnim, { toValue: 0, duration: 250, useNativeDriver: true }),
        Animated.timing(slideAnim, { toValue: 280, duration: 250, useNativeDriver: true }),
      ]).start(() => setVisible(false))
    }
  }, [show])

  const handleCancel = () => onClose?.()

  const handleConfirm = (date: Date) => {
    const value = dayjs(date).format(finalFormat)
    onConfirm?.(value)
  }

  if (!visible)
    return null

  return (
    <Modal transparent visible={visible} animationType="none">
      <Animated.View style={[styles.overlay, { opacity: fadeAnim }]}>
        <TouchableOpacity style={{ flex: 1 }} activeOpacity={1} onPress={handleCancel} />
      </Animated.View>

      <Animated.View
        style={[styles.pickerContainer, { transform: [{ translateY: slideAnim }] }]}
      >
        <View className="px-3 pt-2 flex flex-col gap-2">
          <View className="w-full">
            <Text>快速选择</Text>
            {/* <ATab
              data={[
                {
                  label: '自定义',
                  key: '自定义',
                },
                {
                  label: '不限',
                  key: '不限',
                },
                {
                  label: '今天',
                  key: '今天',
                },
                {
                  label: '本月',
                  key: '本月',
                },
                {
                  label: '本年',
                  key: '本年',
                },
                {
                  label: '范围',
                  key: '范围',
                },
              ]}
              onChange={(key) => {
                setMode('datetime')
              }}
            /> */}
          </View>

          <View className="w-full">
            <Text>选择模式</Text>
            <SegmentedControl
              values={['日', '月', '年', '时间', '日期']}
              selectedIndex={index}
              style={{ borderRadius: 2, width: '100%' }}
              sliderStyle={{
                borderRadius: 2,
              }}

              onChange={(event: any) => setIndex(event.nativeEvent.selectedSegmentIndex)}
            />
          </View>

        </View>

        <DatePicker
          {...restProps}
          date={toDate(date)}
          mode={mode}
          isModal={false}
          onPickerCancel={handleCancel}
          onPickerConfirm={handleConfirm}
          showHeader={false}
          onDateChange={(value) => {
            console.log(value)
          }}
        />

        <View className="flex flex-row gap-4 px-3 pb-1 v">
          {/* <AButton variant="outline" className="flex-1">取消</AButton>
          <AButton className="flex-1">确认</AButton> */}
        </View>
      </Animated.View>
    </Modal>
  )
}

const styles = StyleSheet.create({
  overlay: {
    ...StyleSheet.absoluteFillObject,
    backgroundColor: 'rgba(0,0,0,0.5)',
  },
  pickerContainer: {
    backgroundColor: '#fff',
    overflow: 'hidden',
    position: 'absolute',
    bottom: 0,
    width: '100%',
  },
})