import React, {useState, useEffect, useCallback, useRef} from 'react'
import {View, Text, Image, ScrollView, Input, Textarea} from '@tarojs/components'
import Taro, {useDidShow} from '@tarojs/taro'
import {pageShopOrder, updateShopOrder, confirmOfflinePayment} from '@/api/shop/shopOrder'
import type {ShopOrder, ShopOrderParam} from '@/api/shop/shopOrder/model'
import {saveShopOrderDelivery} from '@/api/shop/shopOrderDelivery'
import {TenantId} from '@/config/app'
import {useNewOrderDetector} from '@/hooks/useNewOrderDetector'
import { getCompressedImageUrl } from '@/utils/image'
import { getMyClerk, listShopStoreUser } from '@/api/shop/shopStoreUser'
import type {ShopStoreUser} from '@/api/shop/shopStoreUser/model'
import { ensurePrivacyAuthorized } from '@/api/system/file'

definePageConfig({
    navigationBarTitleText: '订单管理',
})

// ─── Tab 配置（待处理 + 已完成 + 已关闭）──────────────────────────
type TabKey = 'pending' | 'completed' | 'closed'

const TABS: { key: TabKey; label: string; params: Partial<ShopOrderParam>[] }[] = [
    // 待处理：合并 statusFilter=0（待付款）、1（待发货）、2（待核销）、3（待收货）
    {key: 'pending', label: '待处理', params: [{statusFilter: 0}, {statusFilter: 1}, {statusFilter: 2}, {statusFilter: 3}]},
    // 已完成：statusFilter=5（与后台管理一致）
    {key: 'completed', label: '已完成', params: [{statusFilter: 5}]},
    // 已关闭：statusFilter=8
    {key: 'closed', label: '已关闭', params: [{statusFilter: 8}]},
]

// ─── 操作类型 ─────────────────────────────────────────────────────
type OpType = 'confirmPay' | 'complete' | 'editPrice' | 'ship'

const OP_LABEL: Record<OpType, string> = {
    confirmPay: '收款',
    complete: '已完成',
    editPrice: '金额',
    ship: '发货',
}

const OP_DESC: Record<OpType, string> = {
    confirmPay: '确认已收到线下付款，订单将进入待发货状态',
    complete: '同时变更支付状态为已付款、收货状态为已收货、订单状态为已完成',
    editPrice: '修改订单实付金额',
    ship: '选择发货人员并生成发货单，订单将进入已发货状态',
}

// ─── 图片上传 ─────────────────────────────────────────────────────
const uploadImage = (filePath: string): Promise<string> => {
    return new Promise((resolve, reject) => {
        Taro.uploadFile({
            url: 'https://server.websoft.top/api/oss/upload',
            filePath,
            name: 'file',
            header: {'content-type': 'application/json', TenantId},
            success: (res) => {
                try {
                    const data = JSON.parse(res.data)
                    if (data.code === 0 && data.data?.url) {
                        resolve(data.data.url)
                    } else {
                        reject(new Error(data.message || '上传失败'))
                    }
                } catch {
                    reject(new Error('解析上传响应失败'))
                }
            },
            fail: () => reject(new Error('上传请求失败')),
        })
    })
}

// ─── 状态辅助函数 ──────────────────────────────────────────────────

/** 格式化日期为 Spring Boot LocalDateTime 可接受的格式：yyyy-MM-dd HH:mm:ss */
function formatDateTime(date: Date): string {
    const y = date.getFullYear()
    const m = String(date.getMonth() + 1).padStart(2, '0')
    const d = String(date.getDate()).padStart(2, '0')
    const h = String(date.getHours()).padStart(2, '0')
    const mi = String(date.getMinutes()).padStart(2, '0')
    const s = String(date.getSeconds()).padStart(2, '0')
    return `${y}-${m}-${d} ${h}:${mi}:${s}`
}

/** 解析 sendEndImg：兼容 JSON 数组（新格式）和逗号分隔（旧格式） */
function parseSendEndImg(raw: string): string[] {
    if (!raw || !raw.trim()) return []
    const trimmed = raw.trim()
    // 尝试 JSON 解析
    if (trimmed.startsWith('[')) {
        try {
            const arr = JSON.parse(trimmed)
            if (Array.isArray(arr)) return arr.filter(Boolean)
        } catch { /* fallback to comma split */ }
    }
    // 旧格式：逗号分隔（兼容单张图不含逗号的 URL）
    return trimmed.split(',').map(s => s.trim()).filter(Boolean)
}

function getStatusText(order: ShopOrder): string {
    if (order.orderStatus === 1) return '已完成'
    if (order.orderStatus === 2) return '已关闭'
    if (order.payStatus === false || order.payStatus === null) {
      // 线下付款待确认收款
      if (order.payType === 9) return '待确认收款'
      return '待收款'
    }
    if (order.payStatus && order.deliveryStatus === 10) return '待发货'
    if (order.payStatus && order.deliveryStatus === 20) return '待收货'
    return '进行中'
}

function getStatusColor(order: ShopOrder): string {
    if (order.orderStatus === 1) return '#0e932e'
    if (order.orderStatus === 2) return '#999'
    if (order.payStatus === false || order.payStatus === null) return '#ee0a24'
    if (order.payStatus) return '#ff7d00'
    return '#999'
}

/** 判断订单是否可操作（非已完成、非已关闭） */
function isOrderActionable(order: ShopOrder): boolean {
    return order.orderStatus !== 1 && order.orderStatus !== 2
}

/** 获取订单可执行的操作 */
function getOrderActions(order: ShopOrder): { label: string; type: OpType }[] {
    if (!isOrderActionable(order)) return []
    const actions: { label: string; type: OpType }[] = []
    // 修改金额：仅在确认收款前显示（未付款时才可改价）
    if (!order.payStatus) {
        actions.push({label: '修改金额', type: 'editPrice'})
    }
    // 线下付款·待确认收款：显示"确认收款"按钮
    if (!order.payStatus && order.payType === 9 && order.orderStatus === 0) {
        actions.push({label: '确认收款', type: 'confirmPay'})
    }
    // 发货：确认收款后、且尚未发货（deliveryStatus<20）时显示
    if (order.payStatus && (order.deliveryStatus == null || order.deliveryStatus < 20) && order.orderStatus !== 1) {
        actions.push({label: '发货', type: 'ship'})
    }
    // 确认完成：仅在确认收款后显示（已付款才能确认完成）
    if (order.payStatus) {
        actions.push({label: '确认完成', type: 'complete'})
    }
    return actions
}

// ─── 页面组件 ──────────────────────────────────────────────────────
export default function StoreOrdersPage() {
    const [activeTab, setActiveTab] = useState<TabKey>('pending')

    // 订单列表与分页
    const [orderList, setOrderList] = useState<ShopOrder[]>([])
    const [page, setPage] = useState(1)
    const [hasMore, setHasMore] = useState(true)
    const [loading, setLoading] = useState(false)

    // 操作弹窗状态
    const [showModal, setShowModal] = useState(false)
    const [currentOrder, setCurrentOrder] = useState<ShopOrder | null>(null)
    const [opType, setOpType] = useState<OpType>('pay')
    const [proofImages, setProofImages] = useState<string[]>([])
    const [payRemarks, setPayRemarks] = useState('')
    const [submitting, setSubmitting] = useState(false)

    // 修改金额弹窗状态
    const [showEditPriceModal, setShowEditPriceModal] = useState(false)
    const [editPayPrice, setEditPayPrice] = useState('')
    const [editReason, setEditReason] = useState('')

    // 发货弹窗状态
    const [showShipModal, setShowShipModal] = useState(false)
    const [clerkList, setClerkList] = useState<ShopStoreUser[]>([])
    const [selectedClerkId, setSelectedClerkId] = useState<number | null>(null)
    const [loadingClerks, setLoadingClerks] = useState(false)
    const [shipping, setShipping] = useState(false)

    // 搜索：searchInput 受控输入框，searchKeyword 为已提交的搜索词
    const [searchInput, setSearchInput] = useState('')
    const [searchKeyword, setSearchKeyword] = useState('')

    const pageSize = 10
    const loadingRef = useRef(false)

    // ─── 访问控制：仅门店店员可访问此页面 ──────────────────────
    const [accessChecking, setAccessChecking] = useState(true)

    useEffect(() => {
        getMyClerk()
            .then(data => {
                if (!data) {
                    Taro.showToast({ title: '无权访问', icon: 'none', duration: 1500 })
                    setTimeout(() => Taro.navigateBack(), 1500)
                } else {
                    setAccessChecking(false)
                }
            })
            .catch(() => {
                Taro.showToast({ title: '无权访问', icon: 'none', duration: 1500 })
                setTimeout(() => Taro.navigateBack(), 1500)
            })
    }, [])

    // ─── 新订单轮询检测 ──────────────────────────────────────────
    const { newOrderCount, clearUnread } = useNewOrderDetector({
        interval: 30000, // 30 秒轮询一次
        fetchLatestOrders: useCallback(
            () => pageShopOrder({ page: 1, limit: 5 }).then(r => r?.list || []),
            [],
        ),
        onNewOrders: useCallback((count) => {
            // 震动提醒
            Taro.vibrateShort({ type: 'medium' })
            // Toast 提醒
            Taro.showToast({
                title: `您有 ${count} 条新订单`,
                icon: 'none',
                duration: 2500,
            })
        }, []),
    })

    /** 加载订单列表（待处理 Tab 会合并多个 statusFilter 的结果） */
    const loadOrders = useCallback(async (tab: TabKey, pageNo: number = 1, append = false) => {
        if (loadingRef.current) return
        loadingRef.current = true
        setLoading(true)

        try {
            const tabConfig = TABS.find(t => t.key === tab)
            if (!tabConfig) return

            // 并行请求所有 params 组合，合并去重
            const allRequests = tabConfig.params.map(p =>
                pageShopOrder({...p, page: pageNo, limit: pageSize, keywords: searchKeyword || undefined})
            )
            const allResults = await Promise.all(allRequests)

            // 合并所有结果列表，按 orderId 去重
            const mergedList = allResults.reduce<ShopOrder[]>((acc, res) => {
                const list = res?.list || []
                list.forEach(item => {
                    if (!acc.some(existing => existing.orderId === item.orderId)) {
                        acc.push(item)
                    }
                })
                return acc
            }, [])

            // 按 createTime 降序排列
            mergedList.sort((a, b) => {
                const ta = a.createTime ? new Date(a.createTime).getTime() : 0
                const tb = b.createTime ? new Date(b.createTime).getTime() : 0
                return tb - ta
            })

            setOrderList(prev => append ? [...prev, ...mergedList] : mergedList)
            setPage(pageNo)
            // 只要任意一个请求还有数据就允许继续加载
            const maxLen = Math.max(...allResults.map(r => (r?.list || []).length))
            setHasMore(maxLen >= pageSize)
        } catch (e: any) {
            Taro.showToast({title: e.message || '加载失败', icon: 'none'})
            if (!append) setOrderList([])
        } finally {
            loadingRef.current = false
            setLoading(false)
        }
    }, [searchKeyword])

    // 切换 tab 时重新加载
    useEffect(() => {
        loadOrders(activeTab, 1)
    }, [activeTab, loadOrders])

    // 页面重新显示时刷新
    useDidShow(() => {
        loadOrders(activeTab, 1)
    })

    /** 加载更多 */
    const handleLoadMore = () => {
        if (hasMore && !loadingRef.current) {
            loadOrders(activeTab, page + 1, true)
        }
    }

    /** 提交搜索（点击搜索按钮或键盘回车） */
    const handleSearch = () => {
        setSearchKeyword(searchInput.trim())
    }

    /** 清空搜索 */
    const handleClearSearch = () => {
        setSearchInput('')
        setSearchKeyword('')
    }

    /** 打开操作弹窗 */
    const openModal = (order: ShopOrder, type: OpType) => {
        setCurrentOrder(order)
        setOpType(type)
        setProofImages([])
        setPayRemarks('')
        setShowModal(true)
    }

    /** 关闭弹窗 */
    const closeModal = () => {
        setShowModal(false)
        setCurrentOrder(null)
        setProofImages([])
        setPayRemarks('')
    }

    /** 打开修改金额弹窗 */
    const openEditPriceModal = (order: ShopOrder) => {
        setCurrentOrder(order)
        setEditPayPrice(String(order.payPrice || order.totalPrice || ''))
        setEditReason('')
        setShowEditPriceModal(true)
    }

    /** 关闭修改金额弹窗 */
    const closeEditPriceModal = () => {
        setShowEditPriceModal(false)
        setCurrentOrder(null)
        setEditPayPrice('')
        setEditReason('')
    }

    /** 提交修改金额 */
    const submitEditPrice = async () => {
        if (!currentOrder) return

        const newPrice = parseFloat(editPayPrice)
        if (isNaN(newPrice) || newPrice < 0) {
            Taro.showToast({title: '请输入有效的金额', icon: 'none'})
            return
        }
        if (!editReason.trim()) {
            Taro.showToast({title: '请输入修改原因', icon: 'none'})
            return
        }

        setSubmitting(true)
        try {
            const oldPrice = currentOrder.payPrice || currentOrder.totalPrice || '0'
            const changeRecord = `【门店修改金额】原实付¥${oldPrice} → 新实付¥${newPrice.toFixed(2)}，原因：${editReason.trim()}`

            await updateShopOrder({
                orderId: currentOrder.orderId,
                payPrice: newPrice.toFixed(2),
                merchantRemarks: (currentOrder.merchantRemarks || '') + `\n${changeRecord}`,
            } as ShopOrder)

            Taro.showToast({title: '修改成功', icon: 'success'})
            closeEditPriceModal()
            loadOrders(activeTab, 1)
        } catch (e: any) {
            Taro.showToast({title: e.message || '修改失败', icon: 'none'})
        } finally {
            setSubmitting(false)
        }
    }

    /** 选择并上传凭证图片 */
    const chooseProofImage = async () => {
        const maxCount = opType === 'confirmPay' ? 1 : 3
        const remaining = maxCount - proofImages.length
        if (remaining <= 0) return

        // 门店上传凭证需要访问相册/摄像头，先预检隐私协议授权
        try {
            await ensurePrivacyAuthorized()
        } catch {
            // 授权失败由 chooseImage 自行处理
        }

        Taro.chooseImage({
            count: remaining,
            sizeType: ['compressed'],
            sourceType: ['camera', 'album'],
            success: async (res) => {
                for (const filePath of res.tempFilePaths) {
                    try {
                        Taro.showLoading({title: '上传中...'})
                        const url = await uploadImage(filePath)
                        Taro.hideLoading()
                        setProofImages(prev => [...prev, url])
                    } catch (e: any) {
                        Taro.hideLoading()
                        Taro.showToast({title: e.message || '上传失败', icon: 'none'})
                    }
                }
            },
        })
    }

    /** 移除凭证图片 */
    const removeProofImage = (idx: number) => {
        setProofImages(prev => prev.filter((_, i) => i !== idx))
    }

    /** 提交操作 */
    const submitOperation = async () => {
        if (!currentOrder) return

        // 确认完成必须上传凭证照片
        if (opType === 'complete' && proofImages.length === 0) {
            Taro.showToast({title: '请上传配送凭证照片', icon: 'none'})
            return
        }

        // 确认收款必须上传支付凭证
        if (opType === 'confirmPay' && proofImages.length === 0) {
            Taro.showToast({title: '请上传支付凭证', icon: 'none'})
            return
        }

        setSubmitting(true)
        try {
            if (opType === 'confirmPay') {
                // 确认线下收款：调用专用接口
                await confirmOfflinePayment(
                    currentOrder.orderId!,
                    payRemarks.trim() || undefined,
                    proofImages[0]
                )
            } else {
                const updateData: any = {orderId: currentOrder.orderId}

                if (opType === 'complete') {
                    // 确认完成：用户已收到货
                    updateData.payStatus = true
                    updateData.payTime = formatDateTime(new Date())
                    updateData.deliveryStatus = 20  // 发货状态 → 已收货
                    updateData.deliveryTime = formatDateTime(new Date())  // 收货时间
                    updateData.orderStatus = 1      // 订单状态 → 已完成
                    updateData.sendEndImg = JSON.stringify(proofImages)  // 配送员送达拍照（JSON数组）
                }

                await updateShopOrder(updateData)
            }

            Taro.showToast({title: '操作成功', icon: 'success'})
            closeModal()
            loadOrders(activeTab, 1) // 刷新列表
        } catch (e: any) {
            Taro.showToast({title: e.message || '操作失败', icon: 'none'})
        } finally {
            setSubmitting(false)
        }
    }

    /** 打开发货弹窗：拉取门店店员列表供选择发货人员 */
    const openShipModal = async (order: ShopOrder) => {
        setCurrentOrder(order)
        setSelectedClerkId(null)
        setClerkList([])
        setShowShipModal(true)
        setLoadingClerks(true)
        try {
            // 获取当前登录店员（含 storeId / userId），
            // 用 storeId 拉取本门店店员列表，避免 ?storeId=0 拉不到数据
            const myClerk = await getMyClerk()
            const storeId = myClerk?.storeId
            if (!storeId) {
                Taro.showToast({title: '门店信息未就绪，请稍后再试', icon: 'none'})
                return
            }
            const res = await listShopStoreUser({storeId})
            setClerkList(res || [])
            // 默认选中与当前登录用户 userId 一致的店员
            if (res && myClerk?.userId) {
                const match = res.find(c => c.userId === myClerk!.userId)
                if (match) setSelectedClerkId(match.id ?? null)
            }
        } catch (e) {
            Taro.showToast({title: '加载店员失败', icon: 'none'})
        } finally {
            setLoadingClerks(false)
        }
    }

    /** 确认发货：创建发货单并记录发货人员，订单置为已发货 */
    const handleConfirmShip = async () => {
        if (!currentOrder) return
        const clerk = clerkList.find(c => c.id === selectedClerkId)
        if (!clerk) {
            Taro.showToast({title: '请选择发货人员', icon: 'none'})
            return
        }
        setShipping(true)
        try {
            // 1) 创建发货单，记录发货人信息
            await saveShopOrderDelivery({
                orderId: currentOrder.orderId,
                deliveryMethod: 20, // 20=无需物流（门店自送/自提，无快递单号）
                sendName: clerk.name,
                sendPhone: clerk.phone,
                // 发货地址取门店名称（店员实体无地址字段）
                sendAddress: currentOrder.storeName || '',
            })
            // 2) 订单置为已发货（deliveryStatus=20），物流页与列表状态同步更新
            await updateShopOrder({
                orderId: currentOrder.orderId,
                deliveryStatus: 20,
                deliveryTime: formatDateTime(new Date()),
            })
            Taro.showToast({title: '发货成功', icon: 'success'})
            setShowShipModal(false)
            loadOrders(activeTab, 1) // 刷新列表（发货按钮随之隐藏）
        } catch (e: any) {
            Taro.showToast({title: e.message || '发货失败', icon: 'none'})
        } finally {
            setShipping(false)
        }
    }

    /** 关闭订单 */
    const handleCloseOrder = (order: ShopOrder) => {
        Taro.showModal({
            title: '提示',
            content: `确定要关闭订单 ${order.orderNo} 吗？关闭后无法恢复。`,
            confirmColor: '#ee0a24',
            success: async (res) => {
                if (!res.confirm) return
                try {
                    Taro.showLoading({title: '关闭中...'})
                    await updateShopOrder({orderId: order.orderId, orderStatus: 2} as ShopOrder)
                    Taro.hideLoading()
                    Taro.showToast({title: '关闭成功', icon: 'success'})
                    loadOrders(activeTab, 1)
                } catch (e: any) {
                    Taro.hideLoading()
                    Taro.showToast({title: e.message || '关闭失败', icon: 'none'})
                }
            },
        })
    }

    /** 一键导航到收货地址（调用微信内置地图） */
    const handleNavigate = (order: ShopOrder) => {
        const lat = parseFloat(order.addressLat || '')
        const lng = parseFloat(order.addressLng || '')
        if (isNaN(lat) || isNaN(lng)) {
            Taro.showToast({title: '该订单未记录定位信息，无法导航', icon: 'none'})
            return
        }
        Taro.openLocation({
            latitude: lat,
            longitude: lng,
            name: order.realName || '收货地址',
            address: order.address || '',
            scale: 16,
        })
    }

    /** 渲染单个订单卡片 */
    const renderOrderCard = (order: ShopOrder) => {
        const actions = getOrderActions(order)
        const canDelete = isOrderActionable(order) // 仅未完成、未关闭的订单可关闭
        const orderGoods = (order as any).orderGoods || []

        return (
            <View key={order.orderId} className='bg-white rounded-xl mx-3 mt-3 p-4'>
                {/* 订单头部 */}
                <View className='flex justify-between items-center mb-3'>
                    <Text className='text-xs text-gray-400'>订单号：{order.orderNo}</Text>
                    <Text className='text-xs' style={{color: getStatusColor(order)}}>
                        {getStatusText(order)}
                    </Text>
                </View>

                {/* 商品列表 */}
                {orderGoods.map((goods: any, idx: number) => (
                    <View key={idx} className='flex items-center gap-3 mb-3'>
                        {goods.image && (
                            <Image className='w-16 h-16 rounded-lg bg-gray-50' src={getCompressedImageUrl(goods.image, { width: 80 })}
                                   mode='aspectFill'/>
                        )}
                        <View className='flex-1'>
                            <Text className='text-sm text-gray-800 block'>{goods.goodsName}</Text>
                            {goods.spec && (
                                <Text className='text-xs text-gray-400 mt-1 block'>{goods.spec}</Text>
                            )}
                            <View className='flex justify-between items-center mt-1'>
                                <Text className='text-sm text-red-500 font-medium'>¥{goods.price}</Text>
                                <Text className='text-xs text-gray-400'>x{goods.totalNum}</Text>
                            </View>
                        </View>
                    </View>
                ))}

                {/* 收货信息（点击区域一键导航） */}
                {(order.realName || order.phone) && (
                    <View
                        className='bg-gray-50 rounded-lg p-3 mb-3 flex items-center'
                        onClick={() => handleNavigate(order)}
                    >
                        <View className='flex-1'>
                            <Text className='text-sm text-gray-700 block'>{order.realName} {order.phone}</Text>
                            {order.address && (
                                <Text className='text-xs text-gray-400 mt-1 block'>{order.address}</Text>
                            )}
                        </View>
                        <View className='ml-2 flex flex-col items-center justify-center px-1'>
                            <Text className='text-lg text-green-500 leading-none'>›</Text>
                            <Text className='text-xs text-green-500 mt-0.5'>导航</Text>
                        </View>
                    </View>
                )}

                {/* 买家备注 */}
                {order.buyerRemarks && (
                    <View className='bg-orange-50 rounded-lg p-3 mb-3'>
                        <Text className='text-xs text-orange-500 mb-1 block'>买家备注</Text>
                        <Text className='text-sm text-gray-600 block'>{order.buyerRemarks}</Text>
                    </View>
                )}

                {/* 送达凭证（已完成订单） */}
                {order.sendEndImg && (() => {
                    const imgs = parseSendEndImg(order.sendEndImg)
                    return imgs.length > 0 && (
                        <View className='bg-gray-50 rounded-lg p-3 mb-3'>
                            <Text className='text-xs text-gray-500 mb-2 block'>配送凭证：</Text>
                            <View className='flex flex-wrap gap-2'>
                                {imgs.map((img, i) => (
                                    <Image
                                        key={i}
                                        className='w-20 h-20 rounded-lg bg-gray-100'
                                        src={getCompressedImageUrl(img)}
                                        mode='aspectFill'
                                        onClick={() => Taro.previewImage({
                                            current: img,
                                            urls: imgs
                                        })}
                                    />
                                ))}
                            </View>
                        </View>
                    )
                })()}

                {/* 金额 + 支付方式 */}
                <View className='flex justify-between items-center mb-3'>
                    <Text className='text-xs text-gray-400'>
                        {order.payType === 8 ? '货到付款' : order.payType === 9 ? '线下付款' : order.payType === 4 ? '现金支付' : order.payType === 1 ? '微信支付' : '其他'}
                    </Text>
                    <Text className='text-sm text-gray-700'>
                        实付：<Text className='text-red-500 font-medium'>¥{order.payPrice || order.totalPrice}</Text>
                    </Text>
                </View>

                {/* 操作按钮 */}
                <View className='flex justify-between items-center border-t border-gray-50 pt-3'>
                    {/* 关闭按钮：仅未完成/未关闭的订单显示 */}
                    {canDelete ? (
                        <View
                            className='px-3 py-1.5'
                            onClick={() => handleCloseOrder(order)}
                        >
                            <Text className='text-xs text-gray-400'>关闭订单</Text>
                        </View>
                    ) : (
                        <View/>
                    )}

                    <View className={`flex gap-2 ${!canDelete ? 'w-full justify-end' : ''}`}>
                        {actions.map(act => (
                            <View
                                key={act.type}
                                className={`px-4 py-2 rounded-lg ${
                                    act.type === 'complete'
                                        ? 'bg-green-500'
                                        : act.type === 'confirmPay'
                                        ? 'bg-blue-500'
                                        : act.type === 'editPrice'
                                        ? 'bg-orange-500'
                                        : act.type === 'ship'
                                        ? 'bg-purple-500'
                                        : 'border border-blue-500'
                                }`}
                                onClick={() => act.type === 'editPrice'
                                    ? openEditPriceModal(order)
                                    : act.type === 'ship'
                                        ? openShipModal(order)
                                        : openModal(order, act.type)}
                            >
                                <Text className={`text-sm ${
                                    act.type === 'complete' || act.type === 'editPrice' || act.type === 'confirmPay' || act.type === 'ship' ? 'text-white' : 'text-blue-500'
                                }`}>{act.label}</Text>
                            </View>
                        ))}
                    </View>
                </View>
            </View>
        )
    }

    // 访问校验中或已拒绝：不渲染页面内容
    if (accessChecking) {
        return <View className='min-h-full bg-gray-50' />
    }

    return (
        <View className='min-h-full bg-gray-50'>
            {/* 搜索栏 */}
            <View className='bg-white px-3 py-2 flex items-center'>
                <View className='flex-1 flex items-center bg-gray-100 rounded-full px-3 h-9'>
                    <Input
                        className='flex-1 text-sm text-gray-800'
                        value={searchInput}
                        onInput={(e) => setSearchInput(e.detail.value)}
                        onConfirm={handleSearch}
                        placeholder='搜索订单号 / 手机号 / 昵称'
                        confirmType='search'
                    />
                    {searchInput ? (
                        <View
                            className='ml-2 w-5 h-5 flex items-center justify-center'
                            onClick={handleClearSearch}
                        >
                            <Text className='text-gray-400 text-base leading-none'>×</Text>
                        </View>
                    ) : null}
                </View>
                <View className='ml-1 px-2 py-1' onClick={handleSearch}>
                    <Text className='text-sm text-green-500 font-medium'>搜索</Text>
                </View>
            </View>

            {/* Tab 栏 */}
            <View className='bg-white flex'>
                {TABS.map(tab => (
                    <View
                        key={tab.key}
                        className={`flex-1 text-center py-3 border-b-2 relative ${
                            activeTab === tab.key ? 'border-green-500' : 'border-transparent'
                        }`}
                        onClick={() => {
                            setActiveTab(tab.key)
                            clearUnread()
                        }}
                    >
                        <Text
                            className={`text-sm ${activeTab === tab.key ? 'text-green-500 font-medium' : 'text-gray-500'}`}>
                            {tab.label}
                        </Text>
                        {/* 新订单角标：在"待处理"Tab 上显示 */}
                        {tab.key === 'pending' && newOrderCount > 0 && (
                            <View className='absolute -top-0.5 right-2 min-w-[18px] h-[18px] rounded-full bg-red-500 flex items-center justify-center px-1'>
                                <Text className='text-white text-[10px] font-bold'>
                                    {newOrderCount > 99 ? '99+' : newOrderCount}
                                </Text>
                            </View>
                        )}
                    </View>
                ))}
            </View>

            {/* 订单列表 */}
            <ScrollView
                scrollY
                style={{height: 'calc(100vh - 100px)'}}
                onScrollToLower={handleLoadMore}
                lowerThreshold={100}
            >
                {loading && orderList.length === 0 ? (
                    <View className='flex justify-center items-center py-20'>
                        <Text className='text-gray-400'>加载中...</Text>
                    </View>
                ) : orderList.length === 0 ? (
                    <View className='flex justify-center items-center py-20'>
                        <Text className='text-gray-400'>
                            {searchKeyword ? `未找到与“${searchKeyword}”相关的订单` : '暂无订单'}
                        </Text>
                    </View>
                ) : (
                    orderList.map(renderOrderCard)
                )}
                {loading && orderList.length > 0 && (
                    <View className='flex justify-center items-center py-4'>
                        <Text className='text-gray-400 text-sm'>加载中...</Text>
                    </View>
                )}
                {!hasMore && orderList.length > 0 && (
                    <View className='flex justify-center items-center py-4'>
                        <Text className='text-gray-300 text-xs'>没有更多了</Text>
                    </View>
                )}
                <View className='h-6'/>
            </ScrollView>

            {/* 操作弹窗 */}
            {showModal && (
                <View className='fixed inset-0 z-50 flex items-end justify-center'>
                    {/* 遮罩 */}
                    <View className='absolute inset-0 bg-black/50' onClick={closeModal}/>
                    {/* 弹窗内容 */}
                    <View className='relative bg-white rounded-t-2xl w-full px-5 pt-6 pb-10'>
                        <Text className='text-lg font-medium text-gray-800 text-center mb-5 block'>
                            确认{OP_LABEL[opType]}
                        </Text>

                        {/* 订单信息 */}
                        {currentOrder && (
                            <View className='bg-gray-50 rounded-xl p-4 mb-5'>
                                <Text className='text-sm text-gray-700 block'>订单号：{currentOrder.orderNo}</Text>
                                <Text className='text-sm text-gray-700 mt-1 block'>
                                    实付金额：<Text
                                    className='text-red-500 font-medium'>¥{currentOrder.payPrice || currentOrder.totalPrice}</Text>
                                </Text>
                                <Text className='text-xs text-gray-500 mt-2 block'>
                                    操作说明：{OP_DESC[opType]}
                                </Text>
                            </View>
                        )}

                        {/* 凭证上传 */}
                        <Text className='text-sm text-gray-600 mb-3 block'>
                            {opType === 'confirmPay'
                                ? '上传支付凭证（必填，如微信转账截图）'
                                : opType === 'complete'
                                ? '上传凭证照片（必填，配送货物到达后拍照上传，最多3张）'
                                : '上传凭证照片（选填，最多3张）'}
                        </Text>
                        <View className='flex flex-wrap gap-3 mb-4'>
                            {proofImages.map((url, idx) => (
                                <View key={idx} className='relative'>
                                    <Image className='w-20 h-20 rounded-lg bg-gray-50' src={getCompressedImageUrl(url)} mode='aspectFill'/>
                                    <View
                                        className='absolute -top-2 -right-2 w-5 h-5 bg-red-500 rounded-full flex items-center justify-center'
                                        onClick={() => removeProofImage(idx)}
                                    >
                                        <Text className='text-white text-xs'>×</Text>
                                    </View>
                                </View>
                            ))}
                            {proofImages.length < (opType === 'confirmPay' ? 1 : 3) && (
                                <View
                                    className='w-20 h-20 rounded-lg bg-gray-50 border-2 border-dashed border-gray-200 flex items-center justify-center'
                                    onClick={chooseProofImage}
                                >
                                    <Text className='text-2xl text-gray-300'>+</Text>
                                </View>
                            )}
                        </View>

                        {/* 备注（仅确认收款时显示） */}
                        {opType === 'confirmPay' && (
                            <View className='mb-6'>
                                <Text className='text-sm text-gray-600 mb-2 block'>备注（选填）</Text>
                                <Textarea
                                    className='w-full px-4 py-3 rounded-xl border border-gray-200 text-sm text-gray-800'
                                    style={{minHeight: '60px'}}
                                    value={payRemarks}
                                    onInput={(e) => setPayRemarks(e.detail.value)}
                                    placeholder='可填写备注（如：微信转账已收到）'
                                    maxlength={200}
                                />
                            </View>
                        )}

                        {/* 确认完成不需要备注时补充间距 */}
                        {opType !== 'confirmPay' && <View className='mb-2'/>}

                        {/* 操作按钮 */}
                        <View className='flex gap-3'>
                            <View className='flex-1 py-3 rounded-xl bg-gray-100 text-center' onClick={closeModal}>
                                <Text className='text-sm text-gray-600'>取消</Text>
                            </View>
                            <View
                                className={`flex-1 py-3 rounded-xl text-center flex items-center justify-center ${
                                    opType === 'complete' ? 'bg-green-500' : 'bg-blue-500'
                                }`}
                                onClick={submitting ? undefined : submitOperation}
                            >
                                {submitting ? (
                                    <Text className='text-sm text-white'>提交中...</Text>
                                ) : (
                                    <Text className='text-sm text-white'>确认{OP_LABEL[opType]}</Text>
                                )}
                            </View>
                        </View>
                    </View>
                </View>
            )}

            {/* 修改金额弹窗 */}
            {showEditPriceModal && currentOrder && (
                <View className='fixed inset-0 z-50 flex items-end justify-center'>
                    {/* 遮罩 */}
                    <View className='absolute inset-0 bg-black/50' onClick={closeEditPriceModal}/>
                    {/* 弹窗内容 */}
                    <View className='relative bg-white rounded-t-2xl w-full px-5 pt-6 pb-10'>
                        <Text className='text-lg font-medium text-gray-800 text-center mb-5 block'>
                            修改订单金额
                        </Text>

                        {/* 订单信息 */}
                        <View className='bg-gray-50 rounded-xl p-4 mb-5'>
                            <Text className='text-sm text-gray-700 block'>订单号：{currentOrder.orderNo}</Text>
                            <Text className='text-sm text-gray-700 mt-1 block'>
                                当前实付：<Text className='text-red-500 font-medium'>¥{currentOrder.payPrice || currentOrder.totalPrice}</Text>
                            </Text>
                        </View>

                        {/* 新金额输入 */}
                        <View className='mb-5'>
                            <Text className='text-sm text-gray-600 mb-2 block'>新实付金额（元）</Text>
                            <Input
                                type='digit'
                                className='w-full px-4 py-3 rounded-xl border border-gray-200 text-lg text-gray-800'
                                value={editPayPrice}
                                onInput={(e) => setEditPayPrice(e.detail.value)}
                                placeholder='请输入新的实付金额'
                            />
                        </View>

                        {/* 修改原因 */}
                        <View className='mb-6'>
                            <Text className='text-sm text-gray-600 mb-2 block'>修改原因（必填）</Text>
                            <Textarea
                                className='w-full px-4 py-3 rounded-xl border border-gray-200 text-sm text-gray-800'
                                style={{minHeight: '60px'}}
                                value={editReason}
                                onInput={(e) => setEditReason(e.detail.value)}
                                placeholder='请输入修改原因，如：商品缺货调整、协商降价等'
                                maxlength={100}
                            />
                        </View>

                        {/* 操作按钮 */}
                        <View className='flex gap-3'>
                            <View className='flex-1 py-3 rounded-xl bg-gray-100 text-center' onClick={closeEditPriceModal}>
                                <Text className='text-sm text-gray-600'>取消</Text>
                            </View>
                            <View
                                className='flex-1 py-3 rounded-xl bg-orange-500 text-center flex items-center justify-center'
                                onClick={submitting ? undefined : submitEditPrice}
                            >
                                {submitting ? (
                                    <Text className='text-sm text-white'>提交中...</Text>
                                ) : (
                                    <Text className='text-sm text-white'>确认修改</Text>
                                )}
                            </View>
                        </View>
                    </View>
                </View>
            )}

            {/* 发货弹窗：选择发货人员 */}
            {showShipModal && currentOrder && (
                <View className='fixed inset-0 z-50 flex items-end justify-center'>
                    <View className='absolute inset-0 bg-black/50' onClick={() => setShowShipModal(false)}/>
                    <View className='relative bg-white rounded-t-2xl w-full px-5 pt-6 pb-10'>
                        <Text className='text-lg font-medium text-gray-800 text-center mb-5 block'>
                            选择发货人员
                        </Text>

                        {/* 订单信息 */}
                        <View className='bg-gray-50 rounded-xl p-4 mb-5'>
                            <Text className='text-sm text-gray-700 block'>订单号：{currentOrder.orderNo}</Text>
                            <Text className='text-sm text-gray-700 mt-1 block'>
                                实付金额：<Text
                                className='text-red-500 font-medium'>¥{currentOrder.payPrice || currentOrder.totalPrice}</Text>
                            </Text>
                        </View>

                        {/* 店员列表 */}
                        <View className='max-h-80 overflow-y-auto mb-5'>
                            {loadingClerks ? (
                                <View className='py-8 flex justify-center'>
                                    <Text className='text-sm text-gray-400'>加载中...</Text>
                                </View>
                            ) : clerkList.length === 0 ? (
                                <View className='py-8 flex justify-center'>
                                    <Text className='text-sm text-gray-400'>暂无可选择的店员</Text>
                                </View>
                            ) : (
                                clerkList.map(clerk => {
                                    const selected = clerk.id === selectedClerkId
                                    return (
                                        <View
                                            key={clerk.id}
                                            className={`flex items-center justify-between px-4 py-3 rounded-xl mb-2 border ${
                                                selected ? 'border-purple-500 bg-purple-50' : 'border-gray-200'
                                            }`}
                                            onClick={() => setSelectedClerkId(clerk.id ?? null)}
                                        >
                                            <View className='flex-1'>
                                                <Text className='text-sm text-gray-800'>
                                                    {clerk.name}
                                                    <Text className='text-xs text-gray-400 ml-2'>
                                                        {clerk.roleType === 1 ? '经理' : '店员'}
                                                    </Text>
                                                </Text>
                                                <Text className='text-xs text-gray-500 mt-0.5 block'>{clerk.phone}</Text>
                                            </View>
                                            {selected && (
                                                <Text className='text-purple-500 text-sm'>✓</Text>
                                            )}
                                        </View>
                                    )
                                })
                            )}
                        </View>

                        {/* 操作按钮 */}
                        <View className='flex gap-3'>
                            <View className='flex-1 py-3 rounded-xl bg-gray-100 text-center' onClick={() => setShowShipModal(false)}>
                                <Text className='text-sm text-gray-600'>取消</Text>
                            </View>
                            <View
                                className={`flex-1 py-3 rounded-xl text-center flex items-center justify-center ${
                                    selectedClerkId != null ? 'bg-purple-500' : 'bg-gray-300'
                                }`}
                                onClick={selectedClerkId != null && !shipping ? handleConfirmShip : undefined}
                            >
                                {shipping ? (
                                    <Text className='text-sm text-white'>发货中...</Text>
                                ) : (
                                    <Text className='text-sm text-white'>确认发货</Text>
                                )}
                            </View>
                        </View>
                    </View>
                </View>
            )}
        </View>
    )
}