expo-duooomi-app/app/pointList.tsx

import { Ionicons } from '@expo/vector-icons'
import { LinearGradient } from 'expo-linear-gradient'
import { Stack, useRouter } from 'expo-router'
import React, { useEffect, useState } from 'react'
import { Dimensions, ScrollView } from 'react-native'
import { useSafeAreaInsets } from 'react-native-safe-area-context'

import { Block, Img, Text } from '@/@share/components'
import { useUserBalance } from '@/hooks/core'
import { cn } from '@/utils/cn'

const { width: SCREEN_WIDTH } = Dimensions.get('window')
const OPTION_WIDTH = (SCREEN_WIDTH - 32 - 15) / 2

const RECHARGE_OPTIONS = [
  { id: 1, points: '500', price: '$10.00' },
  { id: 2, points: '1,000', price: '$20.00' },
  { id: 3, points: '2,500', price: '$50.00' },
  { id: 4, points: '5,000', price: '$100.00' },
]

const PAYMENT_METHODS = [
  { id: 'alipay', label: '支付宝' },
  { id: 'wechat', label: '微信' },
] as const

export default function ChargePage() {
  const router = useRouter()
  const insets = useSafeAreaInsets()
  const [selectedOption, setSelectedOption] = useState(RECHARGE_OPTIONS[0].id)
  const [paymentMethod, setPaymentMethod] = useState<'alipay' | 'wechat'>('alipay')
  const balanceRes = useUserBalance()

  useEffect(() => {
    balanceRes.load()
  }, [])

  const handlePay = () => {
    console.log('支付功能仅在移动端可用')
  }

  const renderHeader = () => (
    <Block
      className="flex-row items-center justify-between px-[16px]"
      style={{ paddingTop: insets.top + 12, paddingBottom: 12 }}
    >
      <Block className="ml-[-8px] size-[40px] items-center justify-center" opacity={0.7} onClick={() => router.back()}>
        <Ionicons color="white" name="chevron-back" size={24} />
      </Block>
      <Text className="text-[16px] font-[700] text-white">积分充值</Text>
      <Block className="w-[32px]" />
    </Block>
  )

  const renderMyPoints = () => (
    <Block className="mt-[12px] items-center justify-center py-[24px]">
      <Text className="text-[14px] font-[400] text-[#B0B0B0]">我的积分</Text>
      <Text className="mt-[4px] text-[40px] font-[900] tracking-tighter text-fg">{balanceRes?.balance}</Text>
    </Block>
  )

  const renderOptions = () => (
    <Block className="mt-[16px] px-[16px]">
      <Text className="mb-[16px] text-[14px] font-[700] text-white">选择充值积分：</Text>
      <Block className="flex-row flex-wrap justify-between gap-y-[16px]">
        {RECHARGE_OPTIONS.map((item) => {
          const isSelected = selectedOption === item.id
          return (
            <Block
              key={item.id}
              opacity={0.9}
              style={{ width: OPTION_WIDTH }}
              className={cn(
                'relative items-center justify-center overflow-hidden rounded-[16px] border-[2px] bg-[#FFFFFF33] py-[12px]',
                isSelected ? 'border-[#FFE500]' : 'border-transparent',
              )}
              onClick={() => setSelectedOption(item.id)}
            >
              <Img
                className="absolute inset-0"
                source={require('@/assets/images/itemBg.png')}
                style={{ resizeMode: 'cover' }}
              />
              <Block className="mb-[8px]">
                <Ionicons color="#FFD700" name="flash" size={24} />
              </Block>
              <Text className="mb-[16px] text-[24px] font-[700] text-white">{item.points}</Text>
              <Block className="border-[#000000]">
                <LinearGradient
                  colors={['#393939', '#060606']}
                  end={{ x: 0, y: 1 }}
                  start={{ x: 0, y: 0 }}
                  style={{
                    borderRadius: 100,
                    width: 120,
                    height: 32,
                    alignItems: 'center',
                    justifyContent: 'center',
                    borderColor: '#000000',
                    overflow: 'hidden',
                    borderWidth: 1,
                  }}
                >
                  <Text className="text-[12px] font-[600] text-white">只需 {item.price}</Text>
                </LinearGradient>
              </Block>
            </Block>
          )
        })}
      </Block>
    </Block>
  )

  const renderPaymentMethods = () => (
    <Block className="mt-[32px] px-[16px]">
      <Text className="font-700 mb-[16px] text-[14px] text-white">选择付款方式:</Text>
      <Block className="gap-[12px]">
        {PAYMENT_METHODS.map((method) => {
          const isSelected = paymentMethod === method.id
          return (
            <Block
              key={method.id}
              opacity={0.8}
              className={cn(
                'flex-row items-center gap-[12px] rounded-full px-[20px] py-[16px]',
                isSelected ? 'bg-white' : 'bg-[#FFFFFF33]',
              )}
              onClick={() => setPaymentMethod(method.id)}
            >
              <Block
                className={cn(
                  'h-[20px] w-[20px] items-center justify-center rounded-full',
                  isSelected ? 'bg-black' : 'border-[2px] border-white/50',
                )}
              >
                {isSelected && <Ionicons color="white" name="checkmark" size={14} />}
              </Block>
              <Text className={cn('font-700 text-[16px]', isSelected ? 'text-black' : 'text-white')}>
                {method.label}
              </Text>
            </Block>
          )
        })}
      </Block>
    </Block>
  )

  const renderBottomBar = () => (
    <Block
      className="absolute inset-x-0 bottom-0 border-t border-white/5 bg-[#1C1E22]/95 px-[16px]"
      style={{ paddingBottom: insets.bottom + 12, paddingTop: 16 }}
    >
      <Block
        className="h-[52px] items-center justify-center rounded-full bg-accent shadow-lg shadow-[#FFE500]/20"
        opacity={0.8}
        onClick={handlePay}
      >
        <Text className="text-[16px] font-[900] text-black">确认充值</Text>
      </Block>
      <Block className="mt-[12px] flex-row justify-center">
        <Text className="text-[11px] text-[#888888]">已阅读并同意 </Text>
        <Block opacity={0.6} onClick={() => console.log('Open agreement')}>
          <Text className="text-[11px] text-accent underline">付费服务协议</Text>
        </Block>
      </Block>
    </Block>
  )

  return (
    <Block className="flex-1 bg-[#21221D]">
      <Stack.Screen options={{ headerShown: false }} />
      {renderHeader()}
      <ScrollView contentContainerStyle={{ flexGrow: 1, paddingBottom: 200 }} showsVerticalScrollIndicator={false}>
        {renderMyPoints()}
        {renderOptions()}
        {renderPaymentMethods()}
      </ScrollView>
      {renderBottomBar()}
    </Block>
  )
}