<template>
  <view class="admin-main">
    <!-- 顶部标签页 -->
    <view class="top-tabs">
      <view 
        class="tab-item" 
        :class="{ active: activeTab === 'image' }"
        @click="activeTab = 'image'"
      >
        <text>图片管理</text>
      </view>
      <view 
        class="tab-item" 
        :class="{ active: activeTab === 'video' }"
        @click="activeTab = 'video'"
      >
        <text>视频管理</text>
      </view>
    </view>

    <view class="main-content">
      <!-- 左侧分类树 -->
      <view class="category-sidebar">
        <view class="add-cat-btn">
          <text class="plus">+</text>
          <text>添加分类</text>
        </view>
        <scroll-view class="cat-list" scroll-y="true">
          <view 
            v-for="cat in categories" 
            :key="cat.id" 
            class="cat-item"
            :class="{ active: selectedCatId === cat.id }"
            @click="selectedCatId = cat.id"
          >
            <text class="folder">📁</text>
            <text class="name">{{ cat.name }}</text>
            <text class="more">...</text>
          </view>
        </scroll-view>
      </view>

      <!-- 右侧素材区 -->
      <view class="material-area">
        <!-- 工具栏 -->
        <view class="toolbar">
          <view class="left-btns">
            <button class="tool-btn primary" type="primary" size="mini">上传图片</button>
            <button class="tool-btn outline" size="mini">删除图片</button>
            <view class="dropdown">
               <text>图片移动至</text>
               <text class="arrow">▼</text>
            </view>
          </view>
          <view class="right-tools">
            <view class="search-box">
              <input type="text" placeholder="请输入图片名" />
              <text class="search-ic">🔍</text>
            </view>
            <view class="view-toggle">
               <text class="vt active">▦</text>
               <text class="vt">☰</text>
            </view>
          </view>
        </view>

        <!-- 素材网格 -->
        <scroll-view class="grid-scroll" scroll-y="true">
          <view class="material-grid">
            <view class="material-item" v-for="(item, index) in materials" :key="index">
              <view class="img-wrapper">
                 <view class="placeholder-img">{{ item.name.charAt(0) }}</view>
                 <view class="check-box"></view>
              </view>
              <text class="material-name">{{ item.name }}</text>
            </view>
          </view>
          
          <!-- 分页 -->
          <view class="pagination">
             <text class="total">共 270 条</text>
             <text class="page-btn"><</text>
             <text class="page-num active">1</text>
             <text class="page-num">2</text>
             <text class="page-num">3</text>
             <text class="page-num">4</text>
             <text class="page-num">...</text>
             <text class="page-num">13</text>
             <text class="page-btn">></text>
             <view class="page-size">
                <text>15条/页</text>
                <text class="arrow">▼</text>
             </view>
          </view>
        </scroll-view>
      </view>
    </view>
  </view>
</template>

<script setup lang="uts">
import { ref } from 'vue'

const activeTab = ref('image')
const selectedCatId = ref(1)

const categories = ref([
  { id: 1, name: '全部图片' },
  { id: 2, name: '系统图片' },
  { id: 3, name: '节日图标' },
  { id: 4, name: '首页装修' },
  { id: 5, name: 'banner' },
  { id: 6, name: '金刚区图标' },
  { id: 7, name: '底部菜单' }
])

const materials = ref([
  { name: 'Scre...s.jpg' },
  { name: 'IMG_....jpeg' },
  { name: '10.png' },
  { name: '9.png' },
  { name: '8.png' },
  { name: '7.png' },
  { name: '6.png' },
  { name: '5.png' },
  { name: '4.png' },
  { name: '3.png' },
  { name: '2.png' },
  { name: '1.png' },
  { name: '我的-选中.png' },
  { name: '我的-未选中.png' },
  { name: '首页-选中.png' },
  { name: '首页-未选中.png' },
  { name: '门店-选中.png' },
  { name: '门店-未选中.png' }
])
</script>

<style scoped>
.admin-main {
  height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: #f5f7f9;
}

.top-tabs {
  display: flex;
  flex-direction: row;
  background-color: #fff;
  padding: 0 20px;
  border-bottom: 1px solid #f0f0f0;
}

.tab-item {
  padding: 15px 25px;
  cursor: pointer;
  font-size: 14px;
  color: #666;
  border-bottom: 2px solid transparent;
}

.tab-item.active {
  color: #1890ff;
  border-bottom-color: #1890ff;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: row;
  overflow: hidden;
}

.category-sidebar {
  width: 200px;
  background-color: #fff;
  border-right: 1px solid #f0f0f0;
  display: flex;
  flex-direction: column;
}

.add-cat-btn {
  padding: 15px;
  display: flex;
  flex-direction: row;
  align-items: center;
  color: #1890ff;
  font-size: 14px;
  cursor: pointer;
  border-bottom: 1px solid #f5f5f5;
}

.plus { font-size: 20px; margin-right: 8px; }

.cat-list { flex: 1; }
.cat-item {
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 12px 15px;
  font-size: 13px;
  color: #606266;
  cursor: pointer;
}

.cat-item.active { background-color: #e6f7ff; color: #1890ff; border-right: 2px solid #1890ff; }
.folder { margin-right: 8px; font-size: 14px; }
.name { flex: 1; }
.more { color: #999; }

.material-area { flex: 1; display: flex; flex-direction: column; background-color: #fff; margin: 15px; border-radius: 4px; }

.toolbar {
  padding: 15px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  border-bottom: 1px solid #f0f0f0;
}

.left-btns { display: flex; flex-direction: row; gap: 10px; align-items: center; }
.tool-btn { margin: 0; }
.dropdown { border: 1px solid #dcdfe6; padding: 4px 10px; border-radius: 4px; font-size: 12px; display: flex; align-items: center; gap: 5px; color: #606266; }
.arrow { font-size: 10px; color: #ccc; }

.right-tools { display: flex; flex-direction: row; gap: 15px; align-items: center; }
.search-box { position: relative; width: 220px; }
.search-box input { width: 100%; border: 1px solid #dcdfe6; border-radius: 4px; padding: 4px 30px 4px 10px; font-size: 12px; }
.search-ic { position: absolute; right: 10px; top: 6px; color: #999; }

.view-toggle { display: flex; border: 1px solid #dcdfe6; border-radius: 4px; overflow: hidden; }
.vt { padding: 4px 10px; font-size: 14px; color: #666; cursor: pointer; }
.vt.active { background-color: #1890ff; color: #fff; }

.grid-scroll { flex: 1; padding: 15px; }

.material-grid {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 15px;
}

.material-item {
  width: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 15px;
}

.img-wrapper {
  width: 120px;
  height: 120px;
  background-color: #f5f5f5;
  border: 1px solid #f0f0f0;
  border-radius: 4px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.placeholder-img { font-size: 40px; color: #ccc; }
.check-box { position: absolute; top: 5px; left: 5px; width: 16px; height: 16px; border: 1px solid #dcdfe6; background: #fff; border-radius: 2px; }

.material-name { font-size: 12px; color: #606266; text-align: center; width: 100%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.pagination {
  padding: 20px 0;
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
}

.total { font-size: 13px; color: #606266; margin-right: 10px; }
.page-btn { border: 1px solid #dcdfe6; padding: 4px 10px; border-radius: 4px; color: #666; cursor: pointer; }
.page-num { border: 1px solid #dcdfe6; padding: 4px 10px; border-radius: 4px; cursor: pointer; font-size: 13px; color: #606266; }
.page-num.active { background-color: #1890ff; color: #fff; border-color: #1890ff; }
.page-size { border: 1px solid #dcdfe6; padding: 4px 10px; border-radius: 4px; font-size: 13px; color: #606266; display: flex; align-items: center; gap: 5px; }

</style>
