<template>
  <view class="feature-page">
    <view class="page-header">
      <view class="nav-bar">
        <view class="nav-left" @click="goBack">
          <text class="back-icon">←</text>
        </view>
        <text class="nav-title">质检覆盖率统计</text>
      </view>
    </view>

    <scroll-view class="content-scroll" scroll-y="true">
      <view class="stats-card">
        <view class="stat-item">
          <text class="stat-value">{{ coverageRate }}%</text>
          <text class="stat-label">总体覆盖率</text>
        </view>
        <view class="stat-item">
          <text class="stat-value">{{ todayCoverage }}%</text>
          <text class="stat-label">今日覆盖率</text>
        </view>
      </view>

      <view class="chart-section">
        <text class="section-title">覆盖率趋势图</text>
        <view class="chart-placeholder">
          <text class="placeholder-text">📊 图表区域</text>
          <text class="placeholder-desc">此处将显示质检覆盖率趋势图表</text>
        </view>
      </view>

      <view class="data-list">
        <text class="section-title">详细数据</text>
        <view class="list-item" v-for="(item, index) in dataList" :key="index">
          <view class="item-left">
            <text class="item-date">{{ item.date }}</text>
            <text class="item-desc">{{ item.description }}</text>
          </view>
          <view class="item-right">
            <text class="item-rate">{{ item.rate }}%</text>
          </view>
        </view>
      </view>
    </scroll-view>
  </view>
</template>

<script>
export default {
  data() {
    return {
      coverageRate: '87.5',
      todayCoverage: '92.3',
      dataList: [
        { date: '2024-02-07', description: '今日质检覆盖率', rate: '92.3' },
        { date: '2024-02-06', description: '昨日质检覆盖率', rate: '89.1' },
        { date: '2024-02-05', description: '前日质检覆盖率', rate: '85.7' },
        { date: '2024-02-04', description: '工作日平均覆盖率', rate: '88.4' },
        { date: '2024-02-03', description: '周末覆盖率', rate: '91.2' }
      ]
    }
  },
  methods: {
    goBack() {
      uni.navigateBack()
    }
  }
}
</script>

<style scoped>
.feature-page {
  min-height: 100vh;
  background: #f8f9fa;
}

.page-header {
  background: #ffffff;
  border-bottom: 1rpx solid #e9ecef;
}

.nav-bar {
  display: flex;
  align-items: center;
  height: 88rpx;
  padding: 0 30rpx;
}

.nav-left {
  width: 60rpx;
  height: 60rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 20rpx;
}

.back-icon {
  font-size: 36rpx;
  color: #333333;
}

.nav-title {
  flex: 1;
  text-align: center;
  font-size: 32rpx;
  font-weight: bold;
  color: #333333;
}

.content-scroll {
  height: calc(100vh - 88rpx);
}

.stats-card {
  display: flex;
  margin: 20rpx 30rpx;
  background: #ffffff;
  border-radius: 16rpx;
  padding: 40rpx 30rpx;
  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1);
}

.stat-item {
  flex: 1;
  text-align: center;
}

.stat-item:not(:last-child) {
  border-right: 1rpx solid #e9ecef;
}

.stat-value {
  display: block;
  font-size: 48rpx;
  font-weight: bold;
  color: #007aff;
  margin-bottom: 10rpx;
}

.stat-label {
  display: block;
  font-size: 24rpx;
  color: #666666;
}

.chart-section, .data-list {
  margin: 20rpx 30rpx;
  background: #ffffff;
  border-radius: 16rpx;
  overflow: hidden;
  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1);
}

.section-title {
  display: block;
  font-size: 32rpx;
  font-weight: bold;
  color: #333333;
  padding: 30rpx;
  border-bottom: 1rpx solid #e9ecef;
}

.chart-placeholder {
  padding: 80rpx 30rpx;
  text-align: center;
}

.placeholder-text {
  display: block;
  font-size: 48rpx;
  margin-bottom: 20rpx;
}

.placeholder-desc {
  display: block;
  font-size: 28rpx;
  color: #666666;
}

.list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30rpx;
  border-bottom: 1rpx solid #f0f0f0;
}

.list-item:last-child {
  border-bottom: none;
}

.item-left {
  flex: 1;
}

.item-date {
  display: block;
  font-size: 28rpx;
  font-weight: bold;
  color: #333333;
  margin-bottom: 8rpx;
}

.item-desc {
  display: block;
  font-size: 24rpx;
  color: #666666;
}

.item-right {
  text-align: right;
}

.item-rate {
  display: block;
  font-size: 28rpx;
  font-weight: bold;
  color: #007aff;
}
</style>
