import { ref, computed, watch, nextTick, onMounted } from 'vue'
import { useI18n } from 'vue-i18n'
import Config from '@/config/index'
import { localesList } from '@/locale/index'
import { useWindowWidth } from '@/composables/useWindowWidth'
import useGlobalStore from '@/stores/use-global-store'
import useRouter from '@/hooks/useRouter'
import useRoute from '@/hooks/useRoute'
import LiveChatService from '@/utils/liveChat.js'

export interface MenuItem {
    path: string
    label: string
    icon: string
    children?: MenuItem[]
    isOpenMenu?: boolean
    submenuHeight?: number
    isExternal?: boolean
    type?: string
    lang?: string
}

function cloneMenu(menus: MenuItem[]): MenuItem[] {
    return menus.map(item => ({
        ...item,
        children: item.children ? cloneMenu(item.children) : [],
        isOpenMenu: item.isOpenMenu ?? false,
        // 🔥 直接按数量 × 40px
        submenuHeight: (item.children?.length || 0) * ((40 + 8)) + 8,
    }))
}

export function useMenuSplit(handleClick1: (item: MenuItem) => void) {
    const { locale } = useI18n()
    const globalStore = useGlobalStore()
    const mode = computed(() => globalStore.mode)
    const windowWidth = useWindowWidth(300)
    const shouldShowLanguageMenu = computed(() => windowWidth.value <= 991)
    const { host } = Config
    const router = useRouter()
    const route = useRoute()

    const submenuRefs = ref<any[]>([])
    function setSubmenuRef(index: number, el: HTMLElement | null) { }

    // 设置全局模式
    function setMode(code: string) {
        globalStore.setMode(code);
        switch (code) {
            case 'follow':
                router.reLaunch('/pages/follow/index')
                break
            case 'ib':
                router.reLaunch('/pages/ib/index')
                break
            case 'customer':
                // router.reLaunch('/pages/customer/dashboard')
                router.reLaunch('/pages/customer/index')
                break
            default:
                break
        }
        if (code === 'ib') {
            uni.$emit('open-ib')
        }
    }

    // 🔥 已删除：measureHeight
    // 🔥 已删除：updateSubmenuHeight

    let clickTimer: ReturnType<typeof setTimeout> | null = null
    function handleClick(index: number) {
        if (clickTimer) return
        clickTimer = setTimeout(() => {
            clickTimer = null
        }, 300)
        const item = menus.value[index]

        if (!item.children || item.children.length === 0) {
            // #ifdef H5
            if (item.type === 'chat' && !shouldShowLanguageMenu.value) {
                if (LiveChatService) {
                    LiveChatService.showChat();
                }
                return
            } else {
                shouldShowLanguageMenu.value && handleClick1(item)
                router.push(item.path)
                return
            }
            // #endif
            shouldShowLanguageMenu.value && handleClick1(item)
            router.push(item.path)
            return
        }

        item.isOpenMenu = !item.isOpenMenu
    }

    function handleSubmenuClick(subItem: any) {
        if (subItem.type === 'lang') {
            locale.value = subItem.lang
            return
        }
        if (subItem.isExternal) {
            // #ifdef H5
            window.open(subItem.path, '_blank')
            // #endif
            // #ifdef APP-PLUS
            plus.runtime.openURL(subItem.path)
            // #endif
            return
        }
        shouldShowLanguageMenu.value && handleClick1(subItem)
        router.push(subItem.path)
    }

    const handleResize = () => { }

    const customMenuList = computed(() =>
        localesList.map((code) => ({
            label: `language.${code}`,
            lang: code,
            type: "lang",
            path: '/'
        }))
    )

    const languageMenuItem = computed<MenuItem>(() => ({
        path: '/',
        isOpenMenu: false,
        label: 'language.index',
        icon: 'cwg-lang',
        children: customMenuList.value,
        submenuHeight: customMenuList.value.length * ((40 + 8)) + 8,
    }))

    const customerBaseMenus = computed<MenuItem[]>(() => [
      // {
      //   isOpenMenu: false,
      //   path: '/pages/customer/dashboard',
      //   label: 'Documentary.console.item1',
      //   icon: 'crm-mb',
      //   submenuHeight: 0,
      // },
        {
            isOpenMenu: false,
            submenuHeight: 4 * ((40 + 8)) + 8,
            path: '/',
            label: 'Shop.Index.Transaction',
            icon: 'crm-trade',
            children: [
                { path: '/pages/customer/index', label: 'Custom.Index.AccountList', icon: 'icon-client' },
                { path: '/pages/customer/trade-history', label: 'Ib.Report.Tit1', icon: 'icon-transfer' },
                { path: '/pages/customer/trade-position', label: 'Ib.Report.Tit4', icon: 'icon-transfer' },
                { path: '/pages/customer/recording-history', label: 'Home.page_customer.item7', icon: 'icon-application' },
            ],
        },
        {
            isOpenMenu: false,
            submenuHeight: 6 * ((40 + 8)) + 8,
            path: '/',
            label: 'vu.item6',
            icon: 'crm-payment',
            children: [
                { path: '/pages/customer/deposit-select', label: 'Home.page_customer.item2', icon: 'icon-deposit' },
                { path: '/pages/customer/withdrawal-select', label: 'Home.page_customer.item3', icon: 'icon-withdrawal' },
                { path: '/pages/customer/payment-history', label: 'Home.page_customer.item4', icon: 'icon-payment' },
                { path: '/pages/customer/transfer', label: 'Custom.Index.Transfer', icon: 'icon-transfer' },
                { path: '/pages/customer/wallet-transfer', label: 'wallet.item62', icon: 'icon-transfer' },
                { path: '/pages/customer/wallet-history', label: 'wallet.item7', icon: 'icon-transfer' },
            ],
        },
        {
            path: '/pages/activities/index',
            isOpenMenu: false,
            label: 'Home.page_customer.item6',
            icon: 'crm-hd',
            children: [],
            submenuHeight: 0,
        },
        {
            path: '/',
            isOpenMenu: false,
            submenuHeight: 2 * ((40 + 8)) + 8,
            label: 'vu.item5',
            icon: 'crm-chart-area',
            children: [
                { path: '/pages/analytics/analystViews', label: 'News.Announcement', icon: 'icon-application' },
                { path: '/pages/analytics/news', label: 'News.NewsInformation', icon: 'icon-application' },
            ],
        },
        {
            path: '/pages/common/download',
            isOpenMenu: false,
            label: 'Downloadpage.item1',
            icon: 'crm-download',
            children: [],
            submenuHeight: 0,
        },
        {
            path: '/pages/common/chat',
            isOpenMenu: false,
            label: 'Downloadpage.item16',
            icon: 'crm-headset',
            children: [],
            type: 'chat',
            submenuHeight: 0,
        },
        {
            path: '/',
            isOpenMenu: false,
            submenuHeight: 5 * ((40 + 8)) + 8,
            label: 'Custom.Index.Settings',
            icon: 'crm-sz',
            children: [
                { path: '/pages/mine/info?type=1', label: 'PersonalManagement.Title.PersonalInformation', icon: 'crm-headset' },
                { path: '/pages/mine/info?type=2', label: 'PersonalManagement.Title.BankInformation', icon: 'crm-headset' },
                { path: '/pages/mine/info?type=3', label: 'PersonalManagement.Title.FileManagement', icon: 'crm-headset' },
                { path: '/pages/mine/info?type=4', label: 'PersonalManagement.Title.SecurityCenter', icon: 'crm-headset' },
                { path: '/pages/common/notice', label: 'News.Notice', icon: 'crm-headset' },
            ],
        },
    ])

    const ibBaseMenus = computed<MenuItem[]>(() => [
        {
            isOpenMenu: false,
            path: '/pages/ib/index',
            label: 'Documentary.console.item1',
            icon: 'crm-mb',
            submenuHeight: 0,
        },
        {
            path: '/',
            label: 'Ib.Custom.Manage3',
            icon: 'crm-bg',
            submenuHeight: 4 * ((40 + 8)) + 8,
            children: [
                { path: '/pages/ib/customer', label: 'Ib.Custom.Manage3', icon: 'icon-deposit' },
                { path: '/pages/ib/subsList', label: 'Ib.Custom.Manage2', icon: 'icon-deposit' },
                { path: '/pages/ib/agentList', label: 'Documentary.console.item23', icon: 'icon-deposit' },
                { path: '/pages/ib/accountList', label: 'Ib.Custom.Manage1', icon: 'icon-deposit' }
            ],
        },
        {
            isOpenMenu: false,
            submenuHeight: 4 * ((40 + 8)) + 8,
            path: '/',
            label: 'vu.item6',
            icon: 'crm-payment',
            children: [
                { path: '/pages/ib/transfer', label: 'Home.page_ib.item4', icon: 'icon-payment' },
                { path: '/pages/ib/withdraw-select', label: 'Home.page_ib.item5', icon: 'icon-transfer' },
                { path: '/pages/ib/agent-transfer', label: 'Home.page_ib.item9', icon: 'icon-transfer' },
                { path: '/pages/ib/recording', label: 'Home.page_ib.item7', icon: 'icon-application' },
            ],
        },
        {
            isOpenMenu: false,
            submenuHeight: 2 * ((40 + 8)) + 8,
            path: '/',
            label: 'Home.page_ib.item3',
            icon: 'crm-newspaper',
            children: [
                // { path: '/pages/ib/report', label: 'Home.page_ib.item3', icon: 'icon-withdrawal' },
                { path: '/pages/ib/complexReport', label: 'Home.page_ib.item11', icon: 'icon-withdrawal' },
              { path: '/pages/ib/report?type=1', label: 'Ib.Report.Title1', icon: 'icon-withdrawal' },
              { path: '/pages/ib/report?type=2', label: 'Ib.Report.Title2', icon: 'icon-withdrawal' },
              { path: '/pages/ib/report?type=3', label: 'Ib.Report.Title3', icon: 'icon-withdrawal' },
              { path: '/pages/ib/report?type=6', label: 'news_add_field.IbReport.Title6', icon: 'icon-withdrawal' },
            ],
        },
      // 推广
        // {
        //     isOpenMenu: false,
        //     path: '/',
        //     label: 'Home.page_ib.item12',
        //     icon: 'crm-bulletin',
        //     submenuHeight: 1 * ((40 + 8)) + 8,
        //     children: [
        //         { path: '/pages/ib/promotion', label: 'Home.page_ib.item13', icon: 'icon-withdrawal' },
        //     ],
        // },
    ])

    const followBaseMenus = computed<MenuItem[]>(() => [
        {
            isOpenMenu: false,
            path: '/pages/follow/index',
            label: 'Documentary.console.item1',
            icon: 'crm-mb',
            submenuHeight: 0,
        },
        {
            isOpenMenu: false,
            path: '/pages/follow/trading-center',
            label: 'Documentary.page_doc.item2',
            icon: 'crm-gd',
            submenuHeight: 0,
        },
        {
            isOpenMenu: false,
            submenuHeight: 1 * ((40 + 8)) + 8,
            path: '/',
            label: 'Documentary.page_doc.item3',
            icon: 'crm-newspaper',
            children: [
                { path: '/pages/follow/report', label: 'Documentary.page_doc.item3', icon: 'icon-client' },
            ],
        },
        {
            isOpenMenu: false,
            submenuHeight: 2 * ((40 + 8)) + 8,
            path: '/',
            label: 'Documentary.page_doc.item4',
            icon: 'crm-payment',
            children: [
                { path: '/pages/follow/transfer', label: 'Documentary.TundManagement.item2', icon: 'icon-client' },
                { path: '/pages/follow/transfer-history', label: 'Documentary.TundManagement.item3', icon: 'icon-transfer' }
            ],
        },
        {
            isOpenMenu: false,
            submenuHeight: 5 * ((40 + 8)) + 8,
            path: '/',
            label: 'Documentary.page_doc.item5',
            icon: 'crm-trade',
            children: [
                { path: '/pages/follow/trading-management', label: 'Documentary.TundManagement.item11', icon: 'icon-client' },
                { path: '/pages/follow/follow-list', label: 'Documentary.TundManagement.item17', icon: 'icon-client' },
                { path: '/pages/follow/account-management', label: 'Documentary.TundManagement.item9', icon: 'icon-transfer' },
                { path: '/pages/follow/subscribe-list', label: 'Documentary.TundManagement.item45', icon: 'icon-transfer' },
                { path: '/pages/follow/record', label: 'Documentary.TundManagement.item10', icon: 'icon-transfer' }
            ],
        },
    ])

    const menus = ref<MenuItem[]>([])

    watch(mode, (newMode, oldMode) => {
        if (newMode !== oldMode) {
            let base: MenuItem[] = []
            switch (newMode) {
                case 'follow': base = [...followBaseMenus.value]; break
                case 'ib': base = [...ibBaseMenus.value]; break
                case 'customer': base = [...customerBaseMenus.value]; break
                default: break
            }
            if (shouldShowLanguageMenu.value) base.push(languageMenuItem.value)
            menus.value = cloneMenu(base)
        }
    }, { immediate: true })

    watch(route, () => {
        const currentPath = route.path
        menus.value.forEach((item, idx) => {
            if (item.children?.length) {
                const isActive = item.children.some(child => {
                    if (child.isExternal || child.type === 'lang') return false
                    return currentPath === child.path || currentPath.startsWith(child.path + '?')
                })
                if (isActive) item.isOpenMenu = true
            }
        })
    }, { immediate: true })

    onMounted(() => { })

    return {
        menus,
        mode,
        shouldShowLanguageMenu,
        windowWidth,
        setMode,
        setSubmenuRef,
        handleClick,
        handleSubmenuClick,
    }
}