/**
 * Header 组件 - 增强版
 * 基于 xinyong-web 的 header 组件重建
 * 功能包括：
 * - 顶部导航栏（logo、搜索、用户按钮）
 * - 左侧菜单（侧边栏）
 * - 登录/注册弹窗
 * - 钱包信息显示
 * - 主题适配
 */

import React, { useState, useCallback, useMemo } from 'react';
import {
  View,
  Text,
  StyleSheet,
  TouchableOpacity,
  TextInput,
  Image,
  Dimensions,
  Modal,
  ScrollView,
  SafeAreaView,
} from 'react-native';
import { useColorScheme, useThemeColors } from '@/theme';
import { useIsLoggedIn, useUser } from '@/stores/userStore';
import { useLogo } from '@/stores/tenantStore';
import { Ionicons, AntDesign } from '@expo/vector-icons';
import LeftMenu from './LeftMenu';
import LoginRegisterModal from './LoginRegisterModal';
import WalletAmount from '../WalletAmount';
import { styles } from './styles';

const { width } = Dimensions.get('window');

interface HeaderProps {
  onSearch?: (keyword: string) => void;
  onMessagePress?: () => void;
  onMenuPress?: () => void;
  unreadCount?: number;
}

/**
 * Header 组件 - 增强版
 */
export default function Header({
  onSearch,
  onMessagePress,
  onMenuPress,
  unreadCount = 0,
}: HeaderProps) {
  const colorScheme = useColorScheme();
  const s = styles[colorScheme];
  const themeColors = useThemeColors();
  const isLoggedIn = useIsLoggedIn();
  const user = useUser();
  const logoUrl = useLogo();

  const [searchText, setSearchText] = useState('');
  const [showLeftMenu, setShowLeftMenu] = useState(false);
  const [showLoginModal, setShowLoginModal] = useState(false);

  const handleSearch = useCallback(() => {
    if (searchText.trim()) {
      onSearch?.(searchText);
      setSearchText('');
    }
  }, [searchText, onSearch]);

  const handleMenuPress = useCallback(() => {
    setShowLeftMenu(true);
    onMenuPress?.();
  }, [onMenuPress]);

  const handleLoginPress = useCallback(() => {
    setShowLoginModal(true);
  }, []);

  return (
    <>
      <View style={s.container}>
        {/* 左侧部分 */}
        <View style={s.leftSection}>
          {/* 菜单按钮 */}
          <TouchableOpacity style={s.menuButton} onPress={handleMenuPress} activeOpacity={0.7}>
            <AntDesign name="menu-unfold" size={22} color={themeColors.text} />
          </TouchableOpacity>

          {/* Logo */}
          {logoUrl ? <Image source={{ uri: logoUrl }} style={s.logoImage} /> : null}
        </View>

        {/* 搜索框 */}
        {/*<View style={s.searchContainer}>*/}
        {/*  <Ionicons name="search" size={16} color={themeColors.text + '60'} />*/}
        {/*  <TextInput*/}
        {/*    style={s.searchInput}*/}
        {/*    placeholder="搜索游戏..."*/}
        {/*    placeholderTextColor={themeColors.text + '60'}*/}
        {/*    value={searchText}*/}
        {/*    onChangeText={setSearchText}*/}
        {/*    onSubmitEditing={handleSearch}*/}
        {/*    returnKeyType="search"*/}
        {/*  />*/}
        {/*  {searchText ? (*/}
        {/*    <TouchableOpacity onPress={() => setSearchText('')}>*/}
        {/*      <Ionicons name="close" size={16} color={themeColors.text} />*/}
        {/*    </TouchableOpacity>*/}
        {/*  ) : null}*/}
        {/*</View>*/}

        {/* 右侧部分 */}
        <View style={s.rightSection}>
          {isLoggedIn && user ? (
            <>
              {/* 消息按钮 */}
              <TouchableOpacity style={s.iconButton} onPress={onMessagePress} activeOpacity={0.7}>
                <Ionicons name="chatbubble-outline" size={20} color={themeColors.text} />
                {unreadCount > 0 && (
                  <View style={s.badge}>
                    <Text style={s.badgeText}>{unreadCount > 99 ? '99+' : unreadCount}</Text>
                  </View>
                )}
              </TouchableOpacity>

              {/* 用户头像 */}
              <TouchableOpacity style={s.iconButton} activeOpacity={0.7}>
                {user.avatar ? (
                  <Image
                    source={{ uri: user.avatar }}
                    style={{ width: 32, height: 32, borderRadius: 16 }}
                  />
                ) : (
                  <Ionicons name="person-circle" size={24} color={themeColors.primary} />
                )}
              </TouchableOpacity>
            </>
          ) : (
            /* 登录/注册按钮 */
            <View style={s.authButtons}>
              <TouchableOpacity
                style={[s.authButton, s.registerButton]}
                onPress={() => setShowLoginModal(true)}
                activeOpacity={0.7}
              >
                <Text style={s.registerButtonText}>注册</Text>
              </TouchableOpacity>
              <TouchableOpacity
                style={[s.authButton, s.loginButton]}
                onPress={() => setShowLoginModal(true)}
                activeOpacity={0.7}
              >
                <Text style={s.loginButtonText}>登录</Text>
              </TouchableOpacity>
            </View>
          )}
        </View>
      </View>

      {/* 左侧菜单 */}
      <LeftMenu visible={showLeftMenu} onClose={() => setShowLeftMenu(false)} />

      {/* 登录/注册弹窗 */}
      <LoginRegisterModal visible={showLoginModal} onClose={() => setShowLoginModal(false)} />
    </>
  );
}