import isMobileUI from "../utils/isMobileUI.ts"
import useEventListener from "../utils/useEventListener.ts"
import AvatarMySelf from "./AvatarMySelf.tsx"
import MainSharedContext from './MainSharedContext.ts'
import * as React from 'react'
import { BrowserRouter, Link, Outlet, Route, Routes } from "react-router"
import LoginDialog from "./main-page/LoginDialog.tsx"
import useAsyncEffect from "../utils/useAsyncEffect.ts"
import performAuth from "../performAuth.ts"
import { CallbackError, Chat, UserMySelf } from "lingchair-client-protocol"
import showCircleProgressDialog from "./showCircleProgressDialog.ts"
import RegisterDialog from "./main-page/RegisterDialog.tsx"
import sleep from "../utils/sleep.ts"
import { $, NavigationDrawer } from "mdui"
import getClient from "../getClient.ts"
import showSnackbar from "../utils/showSnackbar.ts"
import AllChatsList from "./main-page/AllChatsList.tsx"
import FavouriteChatsList from "./main-page/FavouriteChatsList.tsx"
import AddFavourtieChatDialog from "./main-page/AddFavourtieChatDialog.tsx"
import RecentChatsList from "./main-page/RecentChatsList.tsx"
import ChatInfoDialog from "./routers/ChatInfoDialog.tsx"

export default function Main() {
    const [myProfileCache, setMyProfileCache] = React.useState<UserMySelf>()

    // 多页面切换
    const navigationRef = React.useRef<HTMLElement>()
    const [currentShowPage, setCurrentShowPage] = React.useState('Recents')
    type HTMLElementWithValue = HTMLElement & { value: string }
    useEventListener(navigationRef, 'change', (event) => {
        setCurrentShowPage((event.target as HTMLElementWithValue).value)
    })

    const drawerRef = React.useRef<NavigationDrawer>()
    React.useEffect(() => {
        $(drawerRef.current!.shadowRoot).append(`
            <style>
                .panel {
                    width: 17.5rem !important;
                    display: flex !important;
                    flex-direction: column;
                }
            </style>
        `)
    }, [])

    const [showLoginDialog, setShowLoginDialog] = React.useState(false)
    const [showRegisterDialog, setShowRegisterDialog] = React.useState(false)
    const [showAddFavourtieChatDialog, setShowAddFavourtieChatDialog] = React.useState(false)

    const [currentSelectedChatId, setCurrentSelectedChatId] = React.useState('')

    const [favouriteChats, setFavouriteChats] = React.useState<Chat[]>([])

    const sharedContext = {
        functions_lazy: React.useRef({
            updateFavouriteChats: () => { },
            updateRecentChats: () => { },
            updateAllChats: () => { },
        }),
        favouriteChats,
        setFavouriteChats,

        setShowLoginDialog,
        setShowRegisterDialog,
        setShowAddFavourtieChatDialog,

        currentSelectedChatId,
        setCurrentSelectedChatId,

        myProfileCache,

    }

    useAsyncEffect(async () => {
        const waitingForAuth = showCircleProgressDialog("加载中...")
        try {
            await performAuth({})

            try {
                setMyProfileCache(await UserMySelf.getMySelfOrThrow(getClient()))
            } catch (e) {
                if (e instanceof CallbackError)
                    showSnackbar({
                        message: '获取资料失败: ' + e.message
                    })
            }
        } catch (e) {
            if (e instanceof CallbackError)
                if (e.code == 401 || e.code == 400)
                    setShowLoginDialog(true)
        }
        // 动画都没来得及, 稍微等一下 (
        await sleep(100)
        waitingForAuth.open = false
    })

    const subRoutes = <>
        <Route path="/info">
            <Route path="chat" element={<ChatInfoDialog />} />
            <Route path="user" element={<ChatInfoDialog />} />
        </Route>
    </>

    return (
        <MainSharedContext.Provider value={sharedContext}>
            <BrowserRouter>
                <Routes>
                    <Route path="/" element={(
                        <div style={{
                            display: "flex",
                            position: 'relative',
                            flexDirection: isMobileUI() ? 'column' : 'row',
                            width: `calc(var(--whitesilk-window-width))${isMobileUI() ? '' : ' - 80px'}`,
                            height: 'var(--whitesilk-window-height)',
                        }}>
                            {
                                // 将子路由渲染到此处
                                <Outlet />
                            }
                            <LoginDialog open={showLoginDialog} />
                            <RegisterDialog open={showRegisterDialog} />
                            <AddFavourtieChatDialog open={showAddFavourtieChatDialog} />
                            <mdui-navigation-drawer ref={drawerRef} modal close-on-esc close-on-overlay-click>
                                <mdui-list style={{
                                    padding: '10px',
                                }}>
                                    <mdui-list-item rounded>
                                        <span>{myProfileCache?.getNickName()}</span>
                                        <AvatarMySelf slot="icon" />
                                    </mdui-list-item>
                                    <mdui-list-item rounded icon="manage_accounts">账号设置</mdui-list-item>
                                    <mdui-divider style={{
                                        margin: '10px',
                                    }}></mdui-divider>
                                    <mdui-list-item rounded icon="person_add">添加收藏对话</mdui-list-item>
                                    <mdui-list-item rounded icon="group_add">创建新的群组</mdui-list-item>
                                    <Link to="/info/user?id=0960bd15-4527-4000-97a8-73110160296f"><mdui-list-item rounded icon="group_add">我是测试</mdui-list-item></Link>
                                    <Link to="/info/chat?id=priv_0960bd15_4527_4000_97a8_73110160296f__0960bd15_4527_4000_97a8_73110160296f"><mdui-list-item rounded icon="group_add">我是测试2</mdui-list-item></Link>
                                </mdui-list>
                                <div style={{
                                    flexGrow: 1,
                                }}></div>
                                <span style={{
                                    padding: '10px',
                                    fontSize: 'small',
                                }}>
                                    LingChair Web v{__APP_VERSION__}<br />
                                    Build: <a href={`https://codeberg.org/CrescentLeaf/LingChair/src/commit/${__GIT_HASH_FULL__}`}>{__GIT_HASH__}</a> ({__BUILD_TIME__})<br />
                                    在 Codeberg 上<a href="https://codeberg.org/CrescentLeaf/LingChair">查看源代码</a>
                                </span>
                            </mdui-navigation-drawer>
                            {
                                /**
                                 * Default: 侧边列表提供列表切换
                                 */
                                !isMobileUI() ?
                                    <mdui-navigation-rail ref={navigationRef} contained value="Recents">
                                        <mdui-button-icon slot="top" icon="menu" onClick={() => drawerRef.current!.open = true}></mdui-button-icon>

                                        <mdui-navigation-rail-item icon="watch_later--outlined" active-icon="watch_later--filled" value="Recents"></mdui-navigation-rail-item>
                                        <mdui-navigation-rail-item icon="favorite_border" active-icon="favorite" value="Favourites"></mdui-navigation-rail-item>
                                        <mdui-navigation-rail-item icon="chat--outlined" active-icon="chat--filled" value="AllChats"></mdui-navigation-rail-item>
                                    </mdui-navigation-rail>
                                    /**
                                     * Mobile: 底部导航栏提供列表切换
                                     */
                                    : <mdui-top-app-bar style={{
                                        position: 'sticky',
                                        marginTop: '3px',
                                        marginRight: '6px',
                                        marginLeft: '15px',
                                        top: '0px',
                                    }}>
                                        <mdui-button-icon icon="menu" onClick={() => drawerRef.current!.open = true}></mdui-button-icon>
                                        <mdui-top-app-bar-title>{
                                            ({
                                                Recents: "最近对话",
                                                Favourites: "收藏对话",
                                                AllChats: "所有对话",
                                            })[currentShowPage]
                                        }</mdui-top-app-bar-title>
                                        <div style={{
                                            flexGrow: 1,
                                        }}></div>
                                    </mdui-top-app-bar>
                            }
                            {
                                /**
                                 * Mobile: 指定高度的容器
                                 * Default: 侧边列表
                                 */
                                <div style={isMobileUI() ? {
                                    display: 'flex',
                                    height: 'calc(100% - 80px - 67px)',
                                    width: '100%',
                                } : {}} id="SideBar">
                                    <RecentChatsList style={{
                                        display: currentShowPage == 'Recents' ? undefined : 'none'
                                    }} />
                                    <FavouriteChatsList style={{
                                        display: currentShowPage == 'Favourites' ? undefined : 'none'
                                    }} />
                                    <AllChatsList style={{
                                        display: currentShowPage == 'AllChats' ? undefined : 'none'
                                    }} />
                                </div>
                            }
                            {
                                /**
                                 * Mobile: 底部导航栏提供列表切换
                                 * Default: 侧边列表提供列表切换
                                 */
                                isMobileUI() && <mdui-navigation-bar ref={navigationRef} label-visibility="selected" value="Recents" style={{
                                    position: 'sticky',
                                    bottom: '0',
                                }}>
                                    <mdui-navigation-bar-item icon="watch_later--outlined" active-icon="watch_later--filled" value="Recents">最近对话</mdui-navigation-bar-item>
                                    <mdui-navigation-bar-item icon="favorite_border" active-icon="favorite" value="Favourites">收藏对话</mdui-navigation-bar-item>
                                    <mdui-navigation-bar-item icon="chat--outlined" active-icon="chat--filled" value="AllChats">全部对话</mdui-navigation-bar-item>
                                </mdui-navigation-bar>
                            }
                        </div>
                    )}>
                        {subRoutes}
                    </Route>
                </Routes>
            </BrowserRouter>
        </MainSharedContext.Provider>
    )
}