<template>
  <el-config-provider :locale="zhCn">
    <!-- 登录/注册页面不显示布局 -->
    <template v-if="hideLayout">
      <router-view />
    </template>
    
    <!-- 正常布局 -->
    <div v-else class="app-container">
      <!-- 顶部导航 -->
      <header class="app-header">
        <div class="header-left">
          <div class="logo" @click="router.push('/')">
            <div class="logo-icon">📊</div>
            <span>灵越智报</span>
          </div>
          <el-input
            v-model="searchKeyword"
            placeholder="搜索报告、模板..."
            prefix-icon="Search"
            class="search-input"
            clearable
          />
        </div>
        <div class="header-right">
          <el-badge :value="3" class="notification-badge">
            <el-button :icon="Bell" circle />
          </el-badge>
          <el-dropdown trigger="click" @command="handleUserCommand">
            <div class="user-menu">
              <el-avatar :size="32" class="user-avatar">{{ userInitial }}</el-avatar>
              <span class="user-name">{{ username }}</span>
            </div>
            <template #dropdown>
              <el-dropdown-menu>
                <el-dropdown-item command="profile">个人中心</el-dropdown-item>
                <el-dropdown-item command="settings">系统设置</el-dropdown-item>
                <el-dropdown-item command="logout" divided>退出登录</el-dropdown-item>
              </el-dropdown-menu>
            </template>
          </el-dropdown>
        </div>
      </header>

      <!-- 主体区域 -->
      <div class="app-body">
        <!-- 侧边栏 -->
        <aside class="app-sidebar" v-if="!isEditorPage">
          <el-menu
            :default-active="currentRoute"
            router
            class="sidebar-menu"
          >
            <el-menu-item index="/">
              <el-icon><HomeFilled /></el-icon>
              <span>首页</span>
            </el-menu-item>
            <el-menu-item index="/templates">
              <el-icon><Files /></el-icon>
              <span>模板管理</span>
            </el-menu-item>
            <el-menu-item index="/generations">
              <el-icon><Document /></el-icon>
              <span>生成记录</span>
            </el-menu-item>
            <el-divider />
            <el-menu-item index="/help">
              <el-icon><QuestionFilled /></el-icon>
              <span>帮助中心</span>
            </el-menu-item>
          </el-menu>
        </aside>

        <!-- 内容区 -->
        <main class="app-main" :class="{ 'full-width': isEditorPage }">
          <router-view />
        </main>
      </div>
    </div>
  </el-config-provider>
</template>

<script setup>
import { ref, computed } from 'vue'
import { useRouter, useRoute } from 'vue-router'
import { Bell, HomeFilled, Files, Document, QuestionFilled } from '@element-plus/icons-vue'
import { ElMessage, ElMessageBox } from 'element-plus'
import zhCn from 'element-plus/dist/locale/zh-cn.mjs'

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

const searchKeyword = ref('')

const currentRoute = computed(() => route.path)
const isEditorPage = computed(() => route.path.startsWith('/editor'))
const hideLayout = computed(() => route.meta.hideLayout === true)

// 用户信息
const username = computed(() => localStorage.getItem('username') || '用户')
const userInitial = computed(() => username.value.charAt(0))

// 用户菜单操作
function handleUserCommand(command) {
  switch (command) {
    case 'profile':
      ElMessage.info('个人中心开发中...')
      break
    case 'settings':
      ElMessage.info('系统设置开发中...')
      break
    case 'logout':
      ElMessageBox.confirm('确定要退出登录吗？', '退出确认', {
        confirmButtonText: '退出',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        // 清除登录信息
        localStorage.removeItem('accessToken')
        localStorage.removeItem('refreshToken')
        localStorage.removeItem('userId')
        localStorage.removeItem('username')
        ElMessage.success('已退出登录')
        router.push('/login')
      }).catch(() => {})
      break
  }
}
</script>

<style lang="scss">
.app-container {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

.app-header {
  height: 56px;
  background: #fff;
  border-bottom: 1px solid #e8e8e8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  flex-shrink: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 600;
  color: #1890ff;
  cursor: pointer;

  .logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
  }
}

.search-input {
  width: 320px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.notification-badge {
  .el-button {
    font-size: 18px;
  }
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 20px;
  
  &:hover {
    background: #f5f7fa;
  }
}

.user-avatar {
  background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
}

.user-name {
  font-size: 14px;
  font-weight: 500;
}

.app-body {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.app-sidebar {
  width: 200px;
  background: #fff;
  border-right: 1px solid #e8e8e8;
  flex-shrink: 0;

  .sidebar-menu {
    border-right: none;
    height: 100%;
  }
}

.app-main {
  flex: 1;
  overflow-y: auto;
  background: #f5f7fa;
  padding: 20px;

  &.full-width {
    padding: 0;
  }
}
</style>
