<template>
  <el-container class="layout-container">
    <!-- 侧边栏 -->
    <el-aside :width="isCollapse ? '64px' : '240px'" class="layout-aside">
      <div class="logo-container">
        <img src="@/assets/logo.svg" alt="Logo" class="logo" />
        <transition name="fade">
          <span v-if="!isCollapse" class="logo-text">婚恋管理系统</span>
        </transition>
      </div>
      
      <el-menu
        :default-active="activeMenu"
        :collapse="isCollapse"
        :unique-opened="true"
        router
        class="aside-menu"
        background-color="transparent"
        text-color="#cbd5e1"
        active-text-color="#ffffff"
      >
        <el-menu-item index="/dashboard">
          <el-icon><DataBoard /></el-icon>
          <template #title>数据面板</template>
        </el-menu-item>
        
        <el-menu-item index="/banner">
          <el-icon><Picture /></el-icon>
          <template #title>轮播图管理</template>
        </el-menu-item>
        
        <el-menu-item index="/announcement">
          <el-icon><Microphone /></el-icon>
          <template #title>小喇叭公告</template>
        </el-menu-item>
        
        <el-sub-menu index="/activity">
          <template #title>
            <el-icon><Calendar /></el-icon>
            <span>活动管理</span>
          </template>
          <el-menu-item index="/activity/list">活动列表</el-menu-item>
          <el-menu-item index="/activity/create">创建活动</el-menu-item>
        </el-sub-menu>
        
        <el-sub-menu index="/matchmaker">
          <template #title>
            <el-icon><User /></el-icon>
            <span>红娘管理</span>
          </template>
          <el-menu-item index="/matchmaker/list">红娘列表</el-menu-item>
          <el-menu-item index="/matchmaker/create">添加红娘</el-menu-item>
        </el-sub-menu>
        
        <el-sub-menu index="/course">
          <template #title>
            <el-icon><Reading /></el-icon>
            <span>课程管理</span>
          </template>
          <el-menu-item index="/course/list">课程列表</el-menu-item>
          <el-menu-item index="/course/create">创建课程</el-menu-item>
        </el-sub-menu>
        
        <el-sub-menu index="/success-case">
          <template #title>
            <el-icon><TrophyBase /></el-icon>
            <span>成功案例</span>
          </template>
          <el-menu-item index="/success-case/list">案例列表</el-menu-item>
          <el-menu-item index="/success-case/create">创建案例</el-menu-item>
        </el-sub-menu>
        
        <el-sub-menu index="/user">
          <template #title>
            <el-icon><UserFilled /></el-icon>
            <span>用户管理</span>
          </template>
          <el-menu-item index="/user/list">用户列表</el-menu-item>
          <el-menu-item index="/user/vip">VIP用户</el-menu-item>
        </el-sub-menu>
        
        <el-menu-item index="/vip-package">
          <el-icon><Medal /></el-icon>
          <template #title>VIP套餐</template>
        </el-menu-item>
        
        <el-menu-item index="/dynamic">
          <el-icon><ChatDotSquare /></el-icon>
          <template #title>动态管理</template>
        </el-menu-item>

        <el-menu-item index="/report">
          <el-icon><Warning /></el-icon>
          <template #title>举报管理</template>
        </el-menu-item>
      </el-menu>
    </el-aside>
    
    <!-- 主内容区 -->
    <el-container>
      <!-- 顶部导航 -->
      <el-header class="layout-header">
        <div class="header-left">
          <el-icon class="collapse-icon" @click="toggleCollapse">
            <Fold v-if="!isCollapse" />
            <Expand v-else />
          </el-icon>
          <el-breadcrumb separator="/">
            <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item v-if="currentRoute.meta.title">
              {{ currentRoute.meta.title }}
            </el-breadcrumb-item>
          </el-breadcrumb>
        </div>
        
        <div class="header-right">
          <span class="username">{{ userInfo?.username || '管理员' }}</span>
          <el-dropdown @command="handleCommand">
            <el-avatar :size="35" src="https://cube.elemecdn.com/3/7c/3ea6beec64369c2642b92c6726f1epng.png" />
            <template #dropdown>
              <el-dropdown-menu>
                <el-dropdown-item command="profile">个人资料</el-dropdown-item>
                <el-dropdown-item command="setting">系统设置</el-dropdown-item>
                <el-dropdown-item divided command="logout">退出登录</el-dropdown-item>
              </el-dropdown-menu>
            </template>
          </el-dropdown>
        </div>
      </el-header>
      
      <!-- 主内容 -->
      <el-main class="layout-main">
        <router-view v-slot="{ Component }">
          <transition name="fade" mode="out-in">
            <component :is="Component" />
          </transition>
        </router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script setup>
import { ref, computed } from 'vue'
import { useRoute, useRouter } from 'vue-router'
import { useUserStore } from '@/stores/user'
import { ElMessage, ElMessageBox } from 'element-plus'
import {
  DataBoard,
  Picture,
  Microphone,
  Calendar,
  User,
  Reading,
  TrophyBase,
  UserFilled,
  ChatDotSquare,
  Warning,
  Fold,
  Expand,
  Medal
} from '@element-plus/icons-vue'

const route = useRoute()
const router = useRouter()
const userStore = useUserStore()

const isCollapse = ref(false)
const userInfo = computed(() => userStore.userInfo)
const currentRoute = computed(() => route)
const activeMenu = computed(() => route.path)

// 切换侧边栏折叠状态
const toggleCollapse = () => {
  isCollapse.value = !isCollapse.value
}

// 处理用户菜单命令
const handleCommand = async (command) => {
  switch (command) {
    case 'profile':
      ElMessage.info('个人资料功能开发中')
      break
    case 'setting':
      ElMessage.info('系统设置功能开发中')
      break
    case 'logout':
      try {
        await ElMessageBox.confirm('确定要退出登录吗？', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        })
        await userStore.logout()
        ElMessage.success('退出成功')
        router.push('/login')
      } catch (error) {
        // 取消退出
      }
      break
  }
}
</script>

<style scoped>
/* ==================== 布局容器 ==================== */
.layout-container {
  height: 100vh;
  overflow: hidden;
}

/* ==================== 侧边栏样式 ==================== */
.layout-aside {
  background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
  transition: width var(--transition-slow);
  position: relative;
  z-index: 100;
}

/* Logo 容器 */
.logo-container {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--spacing-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  gap: var(--spacing-base);
}

.logo {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
  transition: transform var(--transition-base);
}

.logo:hover {
  transform: scale(1.05);
}

.logo-text {
  font-size: var(--font-lg);
  font-weight: var(--font-bold);
  color: #ffffff;
  white-space: nowrap;
  letter-spacing: 0.5px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 侧边栏菜单 */
.aside-menu {
  border: none;
  height: calc(100vh - var(--header-height));
  overflow-y: auto;
  overflow-x: hidden;
  background-color: transparent;
}

/* 菜单项样式覆盖 */
.aside-menu :deep(.el-menu-item) {
  margin: 4px 12px;
  border-radius: var(--radius-base);
  transition: all var(--transition-base);
  height: 48px;
  line-height: 48px;
  position: relative;
  overflow: hidden;
}

.aside-menu :deep(.el-menu-item:hover) {
  background-color: var(--sidebar-hover-bg) !important;
  color: #ffffff !important;
}

.aside-menu :deep(.el-menu-item.is-active) {
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
  color: #ffffff !important;
  font-weight: var(--font-semibold);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.aside-menu :deep(.el-menu-item.is-active::before) {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  background-color: #ffffff;
  border-radius: 0 4px 4px 0;
  opacity: 0.8;
}

/* 子菜单样式 */
.aside-menu :deep(.el-sub-menu__title) {
  margin: 4px 12px;
  border-radius: var(--radius-base);
  transition: all var(--transition-base);
  height: 48px;
  line-height: 48px;
}

.aside-menu :deep(.el-sub-menu__title:hover) {
  background-color: var(--sidebar-hover-bg) !important;
  color: #ffffff !important;
}

.aside-menu :deep(.el-sub-menu.is-active > .el-sub-menu__title) {
  color: var(--primary-light) !important;
  font-weight: var(--font-medium);
}

.aside-menu :deep(.el-menu--inline) {
  background-color: rgba(0, 0, 0, 0.15);
}

.aside-menu :deep(.el-menu--inline .el-menu-item) {
  padding-left: 52px !important;
  margin: 2px 8px;
  height: 42px;
  line-height: 42px;
}

/* 菜单图标 */
.aside-menu :deep(.el-icon) {
  font-size: 18px;
  margin-right: var(--spacing-base);
  transition: transform var(--transition-base);
}

.aside-menu :deep(.el-menu-item:hover .el-icon),
.aside-menu :deep(.el-sub-menu__title:hover .el-icon) {
  transform: scale(1.1);
}

/* 折叠状态 */
.aside-menu.el-menu--collapse :deep(.el-menu-item),
.aside-menu.el-menu--collapse :deep(.el-sub-menu__title) {
  justify-content: center;
}

/* 滚动条美化 */
.aside-menu::-webkit-scrollbar {
  width: 6px;
}

.aside-menu::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  transition: background-color var(--transition-base);
}

.aside-menu::-webkit-scrollbar-thumb:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

.aside-menu::-webkit-scrollbar-track {
  background-color: transparent;
}

/* ==================== 顶部导航样式 ==================== */
.layout-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 0 var(--spacing-xl);
  height: var(--header-height);
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 90;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.collapse-icon {
  font-size: 20px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-base);
  padding: var(--spacing-sm);
  border-radius: var(--radius-base);
}

.collapse-icon:hover {
  color: var(--primary-color);
  background-color: var(--bg-hover);
  transform: scale(1.05);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.username {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  font-weight: var(--font-medium);
  margin-right: var(--spacing-sm);
}

/* 头像样式 */
.header-right :deep(.el-avatar) {
  cursor: pointer;
  border: 2px solid var(--border-color);
  transition: all var(--transition-base);
}

.header-right :deep(.el-avatar:hover) {
  border-color: var(--primary-color);
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

/* 面包屑增强 */
.header-left :deep(.el-breadcrumb) {
  font-size: var(--font-sm);
}

.header-left :deep(.el-breadcrumb__inner) {
  color: var(--text-secondary);
  transition: color var(--transition-base);
}

.header-left :deep(.el-breadcrumb__inner:hover) {
  color: var(--primary-color);
}

/* ==================== 主内容区样式 ==================== */
.layout-main {
  background-color: var(--bg-secondary);
  padding: var(--spacing-xl);
  overflow-y: auto;
  height: calc(100vh - var(--header-height));
  position: relative;
}

/* ==================== 动画效果 ==================== */

/* 路由过渡动画 */
.fade-enter-active {
  animation: fadeInUp var(--transition-slow);
}

.fade-leave-active {
  animation: fadeOut var(--transition-fast);
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

/* Logo 文字淡入淡出 */
.fade-enter-active,
.fade-leave-active {
  transition: opacity var(--transition-base);
}

.fade-enter-from,
.fade-leave-to {
  opacity: 0;
}

/* ==================== 响应式设计 ==================== */

/* 平板设备 */
@media (max-width: 1024px) {
  .layout-header {
    padding: 0 var(--spacing-lg);
  }

  .layout-main {
    padding: var(--spacing-lg);
  }

  .username {
    display: none;
  }
}

/* 移动设备 */
@media (max-width: 768px) {
  .layout-aside {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    z-index: 1000;
  }

  .layout-header {
    padding: 0 var(--spacing-md);
  }

  .header-left {
    gap: var(--spacing-md);
  }

  .layout-main {
    padding: var(--spacing-md);
    width: 100%;
  }

  .collapse-icon {
    font-size: 18px;
  }

  .header-right :deep(.el-avatar) {
    width: 32px;
    height: 32px;
  }
}

/* 超大屏幕优化 */
@media (min-width: 1920px) {
  .layout-main {
    padding: var(--spacing-2xl) var(--spacing-3xl);
  }
}
</style>

