cfc/cfc-frontend/pages/stats/completion-rate.vue

<template>
  <view class="container">
    <!-- 顶部导航 -->
    <view class="header">
      <view class="header-left" @click="goBack">
        <text class="back-arrow">‹</text>
      </view>
      <text class="header-title">任务完成率分析</text>
      <view class="header-right" @click="togglePeriod">
        <text class="period-btn">{{ periodLabel }}</text>
      </view>
    </view>

    <view class="scroll-area">
      <!-- 加载状态 -->
      <view class="loading-state" v-if="loading">
        <view class="loading-spinner"></view>
        <text class="loading-text">正在分析数据...</text>
      </view>

      <template v-if="!loading">
        <!-- 整体完成率 (环形图) -->
        <view class="rate-card">
          <view class="rate-ring-wrapper">
            <view class="rate-ring">
              <svg viewBox="0 0 120 120" class="ring-svg">
                <circle cx="60" cy="60" r="52" fill="none" :stroke="rateColors.track" stroke-width="8" />
                <circle cx="60" cy="60" r="52" fill="none" stroke="url(#rateGradient)" stroke-width="8"
                  stroke-linecap="round"
                  :stroke-dasharray="circumference"
                  :stroke-dashoffset="rateOffset" transform="rotate(-90 60 60)" />
                <defs>
                  <linearGradient id="rateGradient" x1="0%" y1="0%" x2="100%" y2="100%">
                    <stop offset="0%" :stop-color="rateColors.done" />
                    <stop offset="100%" :stop-color="rateColors.doneDeep" />
                  </linearGradient>
                </defs>
              </svg>
              <view class="rate-ring-text">
                <text class="rate-value">{{ stats.completionRate }}%</text>
                <text class="rate-label">完成率</text>
              </view>
            </view>
          </view>
          <view class="rate-legend">
            <view class="legend-item">
              <view class="legend-dot" :style="{ background: rateColors.done }"></view>
              <text class="legend-label">已完成 {{ stats.completedTasks }}</text>
            </view>
            <view class="legend-item">
              <view class="legend-dot" :style="{ background: rateColors.pending }"></view>
              <text class="legend-label">进行中 {{ stats.pendingTasks }}</text>
            </view>
            <view class="legend-item">
              <view class="legend-dot" :style="{ background: rateColors.overdue }"></view>
              <text class="legend-label">已逾期 {{ stats.overdueTasks }}</text>
            </view>
          </view>
        </view>

        <!-- 快捷统计卡片 -->
        <view class="quick-stats">
          <view class="quick-stat-card">
            <text class="quick-stat-value primary-color">{{ stats.totalTasks }}</text>
            <text class="quick-stat-label">总任务数</text>
          </view>
          <view class="quick-stat-card">
            <text class="quick-stat-value success-color">{{ stats.completedTasks }}</text>
            <text class="quick-stat-label">已完成</text>
          </view>
          <view class="quick-stat-card">
            <text class="quick-stat-value danger-color">{{ stats.overdueTasks }}</text>
            <text class="quick-stat-label">已逾期</text>
          </view>
        </view>

        <!-- 逾期任务警示 -->
        <view class="alert-card" v-if="stats.overdueTasks > 0">
          <text class="alert-icon">⚠️</text>
          <view class="alert-body">
            <text class="alert-title">有 {{ stats.overdueTasks }} 个任务已逾期</text>
            <text class="alert-desc">请督促成员尽快完成，避免影响成长积分</text>
          </view>
        </view>

        <!-- 按成员对比 (仅家庭维度) -->
        <view class="section-block" v-if="stats.byChild && stats.byChild.length > 1">
          <view class="section-header">
            <text class="section-title">成员对比</text>
          </view>
          <view class="child-compare">
            <view class="compare-bar-wrapper" v-for="child in stats.byChild" :key="child.memberId">
              <view class="compare-row">
                <text class="compare-name">{{ child.childName }}</text>
                <text class="compare-rate">{{ child.completionRate }}%</text>
              </view>
              <view class="compare-bar-bg">
                <view class="compare-bar-fill" :style="{ width: child.completionRate + '%' }"
                  :class="'bar-color-' + (child.memberId % 5)"></view>
              </view>
            </view>
          </view>
        </view>

        <!-- 分类完成情况 -->
        <view class="section-block" v-if="stats.categoryBreakdown && stats.categoryBreakdown.length > 0">
          <view class="section-header">
            <text class="section-title">分类详情</text>
          </view>
          <view class="category-list">
            <view class="category-item" v-for="cat in stats.categoryBreakdown" :key="cat.category">
              <view class="category-header">
                <text class="category-name">{{ cat.category }}</text>
                <text class="category-count">{{ cat.completed }}/{{ cat.total }}</text>
              </view>
              <view class="category-bar-bg">
                <view class="category-bar-fill" :style="{ width: cat.rate + '%' }"></view>
              </view>
              <text class="category-rate">{{ cat.rate }}%</text>
            </view>
          </view>
        </view>

        <!-- 无数据占位 -->
        <view class="empty-section" v-if="stats.totalTasks === 0">
          <view class="empty-icon-area">
            <text class="empty-main-icon">📊</text>
          </view>
          <text class="empty-title">暂无任务数据</text>
          <text class="empty-hint">创建任务后将在这里展示完成率分析</text>
        </view>

        <!-- 已完成任务 -->
        <view class="section-block" v-if="stats.completedTaskList && stats.completedTaskList.length > 0">
          <view class="section-header">
            <text class="section-title">已完成打卡</text>
          </view>
          <view class="completed-list">
            <view class="completed-item" v-for="item in stats.completedTaskList" :key="item.id">
              <text class="completed-title">{{ item.title }}</text>
              <text class="completed-meta">+{{ item.points || 0 }} 积分</text>
            </view>
          </view>
        </view>
      </template>
    </view>
  </view>
</template>

<script>
import { getChildCompletionStats, getFamilyCompletionStats, getChildren } from '../../utils/api.js'
import { BrandColors } from '../../utils/brand-colors.js'

// 完成率页图表色板（flat 主题，通用令牌见 uni.scss $flat-* / utils/brand-colors.js）
const RATE_COLORS = {
  track:      BrandColors.flatWarm,      // 环形底轨
  done:       BrandColors.flatTeal,      // 已完成（青绿）
  doneDeep:   BrandColors.flatTealDeep,  // 青绿渐变深档
  pending:    BrandColors.flatOrangeSoft,// 进行中（浅橙）
  overdue:    BrandColors.primary,       // 已逾期（品牌橙）
  bar:        BrandColors.flatBar,       // 柱图高亮黄
  barGreen:   BrandColors.flatGreen,     // 柱图渐变绿起
  barGreenTo: BrandColors.flatGreenDeep, // 柱图渐变绿终
};

export default {
  data() {
    return {
      loading: true,
      memberId: '',
      isFamilyView: false,
      periodIndex: 0,
      periods: [
        { label: '本周', days: 7 },
        { label: '本月', days: 30 },
        { label: '近三月', days: 90 }
      ],
      stats: {
        totalTasks: 0,
        completedTasks: 0,
        pendingTasks: 0,
        inReviewTasks: 0,
        overdueTasks: 0,
        completionRate: 0,
        byChild: [],
        categoryBreakdown: [],
        completedTaskList: []
      }
    }
  },
  computed: {
    periodLabel() {
      return this.periods[this.periodIndex].label
    },
    circumference() {
      return 2 * Math.PI * 52
    },
    rateOffset() {
      const pct = this.stats.completionRate || 0
      return this.circumference * (1 - pct / 100)
    }
  },
  onLoad(options) {
    if (options.memberId) {
      this.memberId = options.memberId
      this.isFamilyView = false
    } else if (options.familyView === '1') {
      this.isFamilyView = true
    }
    this.loadStats()
  },
  methods: {
    async loadStats() {
      this.loading = true
      try {
        const period = this.periods[this.periodIndex]
        const endDate = this.formatDate(new Date())
        const startDate = this.formatDate(new Date(Date.now() - period.days * 24 * 60 * 60 * 1000))
        const params = { startDate, endDate }

        if (this.memberId) {
          params.memberId = this.memberId
        }

        let res
        if (this.isFamilyView || !this.memberId) {
          res = await getFamilyCompletionStats(params)
        } else {
          res = await getChildCompletionStats(params)
        }

        if (res && res.data) {
          // 兼容后端可能返回 byChild 或 categoryBreakdown
          const data = res.data
          this.stats = {
            totalTasks: data.totalTasks || 0,
            completedTasks: data.completedTasks || 0,
            pendingTasks: data.pendingTasks || 0,
            inReviewTasks: data.inReviewTasks || 0,
            overdueTasks: data.overdueTasks || 0,
            completionRate: data.completionRate || 0,
            byChild: data.byChild || [],
            categoryBreakdown: data.categoryBreakdown || [],
            completedTaskList: data.completedTaskList || []
          }
        }
      } catch (e) {
        console.error('加载完成率失败', e)
        uni.showToast({ title: '数据加载失败', icon: 'none' })
      } finally {
        this.loading = false
      }
    },
    togglePeriod() {
      this.periodIndex = (this.periodIndex + 1) % this.periods.length
      this.loadStats()
    },
    goBack() {
      uni.navigateBack()
    },
    formatDate(date) {
      const y = date.getFullYear()
      const m = String(date.getMonth() + 1).padStart(2, '0')
      const d = String(date.getDate()).padStart(2, '0')
      return y + '-' + m + '-' + d
    }
  }
}
</script>

<style scoped lang="scss">
// flat 主题色走 uni.scss 全局令牌（$flat-*），本页不再声明局部色阶

.container {
  background: $flat-bg;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* 顶部导航 */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24rpx 32rpx;
  padding-top: calc(88rpx + env(safe-area-inset-top));
  background: $flat-bg;
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-left, .header-right {
  min-width: 120rpx;
}

.header-right {
  display: flex;
  justify-content: flex-end;
}

.back-arrow {
  font-size: 48rpx;
  color: $flat-ink;
  font-weight: 300;
  line-height: 1;
}

.header-title {
  font-size: 34rpx;
  font-weight: 700;
  color: $flat-ink;
}

.period-btn {
  font-size: 26rpx;
  color: $dim-body;
  background: $flat-card;
  padding: 8rpx 20rpx;
  border-radius: 24rpx;
  font-weight: 500;
}

/* 滚动区 */
.scroll-area {
  flex: 1;
  padding: 0 32rpx 48rpx;
  overflow-y: auto;
}

/* 加载状态 */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 160rpx 0;
}

.loading-spinner {
  width: 64rpx;
  height: 64rpx;
  border: 6rpx solid $flat-warm;
  border-top-color: $dim-body;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-text {
  font-size: 26rpx;
  color: $flat-muted;
  margin-top: 20rpx;
}

/* 整体完成率卡片 */
.rate-card {
  background: $app-surface;
  border-radius: 28rpx;
  padding: 40rpx 32rpx;
  margin-bottom: 24rpx;
  display: flex;
  align-items: center;
  box-shadow: 0 8rpx 40rpx rgba(255, 140, 66, 0.08);
}

.rate-ring-wrapper {
  flex-shrink: 0;
  margin-right: 32rpx;
}

.rate-ring {
  width: 200rpx;
  height: 200rpx;
  position: relative;
}

.ring-svg {
  width: 100%;
  height: 100%;
}

.rate-ring-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.rate-value {
  font-size: 40rpx;
  font-weight: 800;
  color: $flat-ink;
  line-height: 1.2;
}

.rate-label {
  font-size: 22rpx;
  color: $flat-muted;
  margin-top: 4rpx;
}

.rate-legend {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16rpx;
}

.legend-item {
  display: flex;
  align-items: center;
}

.legend-dot {
  width: 16rpx;
  height: 16rpx;
  border-radius: 50%;
  margin-right: 12rpx;
  flex-shrink: 0;
}

.legend-label {
  font-size: 26rpx;
  color: $flat-muted-2;
}

/* 快捷统计卡片 */
.quick-stats {
  display: flex;
  gap: 16rpx;
  margin-bottom: 24rpx;
}

.quick-stat-card {
  flex: 1;
  background: $app-surface;
  border-radius: 20rpx;
  padding: 24rpx 16rpx;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 8rpx 40rpx rgba(255, 140, 66, 0.08);
}

.quick-stat-value {
  font-size: 40rpx;
  font-weight: 800;
  line-height: 1.2;
}

.quick-stat-label {
  font-size: 22rpx;
  color: $flat-muted;
  margin-top: 8rpx;
}

.primary-color { color: $dim-body; }
.success-color { color: $flat-teal; }
.danger-color { color: $brand-primary; }

/* 逾期警示 */
.alert-card {
  background: $status-danger-tint;
  border-radius: 20rpx;
  padding: 24rpx;
  margin-bottom: 24rpx;
  display: flex;
  align-items: flex-start;
  border: 1rpx solid $flat-danger-line;
}

.alert-icon {
  font-size: 40rpx;
  margin-right: 16rpx;
  flex-shrink: 0;
}

.alert-body {
  flex: 1;
}

.alert-title {
  font-size: 28rpx;
  font-weight: 600;
  color: $status-danger-flat;
  display: block;
}

.alert-desc {
  font-size: 24rpx;
  color: $flat-orange-text;
  margin-top: 6rpx;
  display: block;
}

/* 区块 */
.section-block {
  background: $app-surface;
  border-radius: 24rpx;
  padding: 28rpx;
  margin-bottom: 24rpx;
  box-shadow: 0 8rpx 40rpx rgba(255, 140, 66, 0.08);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24rpx;
}

.section-title {
  font-size: 30rpx;
  font-weight: 700;
  color: $flat-ink;
}

/* 孩子对比 */
.child-compare {
  display: flex;
  flex-direction: column;
  gap: 20rpx;
}

.compare-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8rpx;
}

.compare-name {
  font-size: 28rpx;
  color: $flat-ink;
  font-weight: 500;
}

.compare-rate {
  font-size: 28rpx;
  color: $dim-body;
  font-weight: 700;
}

.compare-bar-bg {
  height: 12rpx;
  background: $flat-warm;
  border-radius: 999rpx;
  overflow: hidden;
}

.compare-bar-fill {
  height: 100%;
  border-radius: 999rpx;
  transition: width 0.5s ease;
}

.bar-color-0 { background: linear-gradient(90deg, $dim-body, $flat-bar); }
.bar-color-1 { background: linear-gradient(90deg, $flat-teal, $flat-teal-deep); }
.bar-color-2 { background: linear-gradient(90deg, $accent-indigo, $accent-indigo-deep); }
.bar-color-3 { background: linear-gradient(90deg, $brand-primary, $brand-primary-light); }
.bar-color-4 { background: linear-gradient(90deg, $flat-green, $flat-green-deep); }

/* 分类列表 */
.category-list {
  display: flex;
  flex-direction: column;
  gap: 20rpx;
}

.category-item {
  display: flex;
  align-items: center;
  gap: 12rpx;
}

.category-header {
  width: 140rpx;
  flex-shrink: 0;
}

.category-name {
  font-size: 24rpx;
  color: $flat-muted-2;
  display: block;
}

.category-count {
  font-size: 20rpx;
  color: $flat-muted;
  display: block;
  margin-top: 2rpx;
}

.category-bar-bg {
  flex: 1;
  height: 16rpx;
  background: $flat-warm;
  border-radius: 999rpx;
  overflow: hidden;
}

.category-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, $flat-teal, $flat-teal-deep);
  border-radius: 999rpx;
  transition: width 0.5s ease;
}

.category-rate {
  width: 64rpx;
  text-align: right;
  font-size: 24rpx;
  font-weight: 600;
  color: $flat-teal;
  flex-shrink: 0;
}

/* 已完成任务列表 */
.completed-list {
  display: flex;
  flex-direction: column;
  gap: 16rpx;
}

.completed-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: $app-surface;
  border-radius: 16rpx;
  padding: 24rpx;
  box-shadow: 0 4rpx 16rpx rgba(0, 0, 0, 0.04);
}

.completed-title {
  font-size: 28rpx;
  color: $flat-ink;
  flex: 1;
  padding-right: 16rpx;
}

.completed-meta {
  font-size: 24rpx;
  color: $status-success;
  flex-shrink: 0;
}

/* 空状态 */
.empty-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 120rpx 0;
}

.empty-icon-area {
  width: 160rpx;
  height: 160rpx;
  background: $flat-card;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24rpx;
}

.empty-main-icon {
  font-size: 72rpx;
}

.empty-title {
  font-size: 30rpx;
  font-weight: 600;
  color: $flat-ink;
  margin-bottom: 12rpx;
}

.empty-hint {
  font-size: 26rpx;
  color: $flat-muted;
  text-align: center;
}
</style>