import React, { useCallback, useState } from 'react';
import {
    Box,
    Flex,
    Text,
    Button,
    Container,
    useDisclosure,
    HStack,
    Icon,
    Menu,
    MenuButton,
    MenuList,
    MenuItem,
    Badge,
    Grid,
    IconButton,
    useBreakpointValue,
    Spinner,
    useColorMode,
    useColorModeValue,
    useToast,
} from '@chakra-ui/react';
import { ChevronDownIcon, HamburgerIcon, SunIcon, MoonIcon } from '@chakra-ui/icons';
import { FiStar, FiCalendar, FiUser, FiSettings, FiHome, FiLogOut } from 'react-icons/fi';
import { FaCrown } from 'react-icons/fa';
import { useNavigate, useLocation } from 'react-router-dom';
import { useAuth } from '../../contexts/AuthContext';
import { useAuthModal } from '../../hooks/useAuthModal';
import { logger } from '../../utils/logger';
import { getApiBase } from '../../utils/apiConfig';
import SubscriptionButton from '../Subscription/SubscriptionButton';
import { useNavigationEvents } from '../../hooks/useNavigationEvents';

// Phase 1 优化: 提取的子组件
import BrandLogo from './components/BrandLogo';
import LoginButton from './components/LoginButton';
import CalendarButton from './components/CalendarButton';

// Phase 2 优化: 使用 Redux 管理订阅数据
import { useSubscription } from '../../hooks/useSubscription';

// Phase 3 优化: 提取的用户菜单组件
import { DesktopUserMenu, TabletUserMenu } from './components/UserMenu';

// Phase 4 优化: 提取的导航菜单组件
import { DesktopNav, MoreMenu, PersonalCenterMenu } from './components/Navigation';

// Phase 5 优化: 提取的移动端抽屉菜单组件
import { MobileDrawer } from './components/MobileDrawer';

// Phase 6 优化: 提取的功能菜单组件和自定义 Hooks
import { WatchlistMenu, FollowingEventsMenu } from './components/FeatureMenus';
import { useWatchlist } from '../../hooks/useWatchlist';
import { useFollowingEvents } from '../../hooks/useFollowingEvents';

// Phase 7 优化: 提取的资料完整性、右侧功能区组件
import ProfileCompletenessAlert from './components/ProfileCompletenessAlert';
import { useProfileCompleteness } from '../../hooks/useProfileCompleteness';
import NavbarActions from './components/NavbarActions';

// Phase 4: MoreNavMenu 和 NavItems 组件已提取到 Navigation 目录

export default function HomeNavbar() {
    const { isOpen, onOpen, onClose } = useDisclosure();
    const navigate = useNavigate();
    const isMobile = useBreakpointValue({ base: true, md: false });
    const isTablet = useBreakpointValue({ base: false, md: true, lg: false });
    const isDesktop = useBreakpointValue({ base: false, md: false, lg: true });
    const { user, isAuthenticated, logout, isLoading } = useAuth();
    const { openAuthModal } = useAuthModal();
    const { colorMode, toggleColorMode } = useColorMode();
    const navbarBg = useColorModeValue('white', 'gray.800');
    const navbarBorder = useColorModeValue('gray.200', 'gray.700');
    const brandText = useColorModeValue('gray.800', 'white');
    const brandHover = useColorModeValue('blue.600', 'blue.300');
    const toast = useToast();

    // 🎯 初始化导航埋点Hook
    const navEvents = useNavigationEvents({ component: 'main_navbar' });

    // ⚡ 提取 userId 为独立变量，避免 user 对象引用变化导致无限循环
    const userId = user?.id;
    const prevUserIdRef = React.useRef(userId);
    const prevIsAuthenticatedRef = React.useRef(isAuthenticated);

    // 添加调试信息 - 暂时注释以减少日志噪音
    // logger.debug('HomeNavbar', '组件渲染状态', {
    //     hasUser: !!user,
    //     isAuthenticated,
    //     isLoading,
    //     userId: user?.id
    // });

    // 获取显示名称的函数
    const getDisplayName = () => {
        if (!user) return '';
        return user.nickname || user.username || user.name || user.email || '用户';
    };

    // Phase 6: 自选股和关注事件逻辑已提取到自定义 Hooks
    const { watchlistQuotes, followingEvents } = useWatchlist();
    const { followingEvents: events } = useFollowingEvents();
    // 注意：这里只需要数据用于 TabletUserMenu，实际的菜单组件会自己管理状态

    // Phase 7: 资料完整性逻辑已提取到 useProfileCompleteness Hook
    const {
        profileCompleteness,
        showAlert: showCompletenessAlert,
        setShowAlert: setShowCompletenessAlert,
        resetCompleteness
    } = useProfileCompleteness({ isAuthenticated, user });

    // 处理登出
    const handleLogout = async () => {
        try {
            await logout();
            // Phase 7: 使用 resetCompleteness 重置资料完整性状态
            resetCompleteness();
            // logout函数已经包含了跳转逻辑，这里不需要额外处理
        } catch (error) {
            logger.error('HomeNavbar', 'handleLogout', error, {
                userId: user?.id
            });
        }
    };

    // Phase 2: 使用 Redux 订阅数据
    const {
        subscriptionInfo,
        isSubscriptionModalOpen,
        openSubscriptionModal,
        closeSubscriptionModal
    } = useSubscription();

    // Phase 6: loadWatchlistQuotes, loadFollowingEvents, handleRemoveFromWatchlist,
    // handleUnfollowEvent 已移至自定义 Hooks 中，由各自组件内部管理

    // Phase 2: 加载订阅信息逻辑已移至 useSubscriptionData Hook

    return (
        <>
            {/* 资料完整性提醒横幅 (Phase 7 优化) */}
            {showCompletenessAlert && (
                <ProfileCompletenessAlert
                    profileCompleteness={profileCompleteness}
                    onClose={() => setShowCompletenessAlert(false)}
                    onNavigateToSettings={() => navigate('/home/settings')}
                />
            )}

            <Box
                position="fixed"
                top={showCompletenessAlert ? "60px" : 0}
                left={0}
                right={0}
                zIndex={1000}
                bg={navbarBg}
                backdropFilter="blur(10px)"
                borderBottom="1px"
                borderColor={navbarBorder}
                py={{ base: 2, md: 3 }}
            >
                <Container maxW="container.xl" px={{ base: 3, md: 4 }}>
                    <Flex justify="space-between" align="center">
                        {/* Logo - 价小前投研 */}
                        <BrandLogo />

                        {/* 中间导航区域 - 响应式 (Phase 4 优化) */}
                        {isDesktop && (
                            // 桌面端：完整导航菜单（移动端和平板端的汉堡菜单已移至右侧）
                            <DesktopNav isAuthenticated={isAuthenticated} user={user} />
                        )}

                        {/* 右侧功能区 (Phase 7 优化) */}
                        <NavbarActions
                            isLoading={isLoading}
                            isAuthenticated={isAuthenticated}
                            user={user}
                            isDesktop={isDesktop}
                            isTablet={isTablet}
                            isMobile={isMobile}
                            onMenuOpen={onOpen}
                            handleLogout={handleLogout}
                            watchlistQuotes={watchlistQuotes}
                            followingEvents={followingEvents}
                        />
                    </Flex>
                </Container>

                {/* 移动端抽屉菜单 (Phase 5 优化) */}
                <MobileDrawer
                    isOpen={isOpen}
                    onClose={onClose}
                    isAuthenticated={isAuthenticated}
                    user={user}
                    handleLogout={handleLogout}
                    openAuthModal={openAuthModal}
                />
            </Box>

            {/* 投资日历 Modal - 已移至 CalendarButton 组件内部 */}
        </>
    );
}