cfc/cfc-frontend/pages/mind/screening.vue

<template>
  <view class="screen-container">
    <!-- 头部 -->
    <view class="screen-header">
      <text class="screen-title">心理状态自评</text>
      <text class="screen-subtitle">定期评估，了解自己的心理状态</text>
    </view>

    <!-- 量表选择 -->
    <view class="section" v-if="!currentScreen">
      <view class="scale-card" @click="startScreen('PHQ9')">
        <view class="scale-icon-wrap" style="background:#FFF0F5">
          <text class="scale-icon">&#x1F9E0;</text>
        </view>
        <view class="scale-info">
          <text class="scale-name">PHQ-9 抑郁筛查</text>
          <text class="scale-desc">过去两周，您是否被以下问题困扰？</text>
        </view>
        <text class="scale-arrow">&gt;</text>
      </view>
      <view class="scale-card" @click="startScreen('GAD7')">
        <view class="scale-icon-wrap" style="background:#F0F4FF">
          <text class="scale-icon">&#x1F4A8;</text>
        </view>
        <view class="scale-info">
          <text class="scale-name">GAD-7 焦虑筛查</text>
          <text class="scale-desc">过去两周，您是否被以下问题困扰？</text>
        </view>
        <text class="scale-arrow">&gt;</text>
      </view>
    </view>

    <!-- 问卷页面 -->
    <view class="section" v-if="currentScreen">
      <view class="quiz-header">
        <text class="quiz-title">{{ currentScreen === 'PHQ9' ? 'PHQ-9 抑郁筛查' : 'GAD-7 焦虑筛查' }}</text>
        <text class="quiz-progress">{{ currentStep + 1 }}/{{ questions.length }}</text>
      </view>
      <view class="progress-track">
        <view class="progress-fill" :style="{ width: ((currentStep + 1) / questions.length * 100) + '%' }"></view>
      </view>

      <!-- 当前问题 -->
      <view class="question-card">
        <text class="question-num">Q{{ currentStep + 1 }}</text>
        <text class="question-text">{{ questions[currentStep] }}</text>
      </view>

      <!-- 选项 -->
      <view class="options-list">
        <view
          v-for="(opt, oi) in answerOptions"
          :key="oi"
          :class="['option-btn', answers[currentStep] === oi ? 'option-active' : '']"
          @click="selectAnswer(oi)">
          <view :class="['option-radio', answers[currentStep] === oi ? 'radio-checked' : '']">
            <view v-if="answers[currentStep] === oi" class="radio-dot"></view>
          </view>
          <text class="option-text">{{ opt }}</text>
        </view>
      </view>

      <!-- 导航按钮 -->
      <view class="quiz-nav">
        <button class="nav-btn prev-btn" v-if="currentStep > 0" @click="prevStep">上一题</button>
        <button class="nav-btn next-btn" v-if="currentStep < questions.length - 1" @click="nextStep">下一题</button>
        <button class="nav-btn submit-btn" v-if="currentStep === questions.length - 1" @click="submitScreen">提交问卷</button>
      </view>
    </view>

    <!-- 结果页面 -->
    <view class="section" v-if="result">
      <view class="result-header">
        <text class="result-type">{{ currentScreen === 'PHQ9' ? 'PHQ-9 抑郁筛查' : 'GAD-7 焦虑筛查' }}</text>
        <view :class="['result-score-circle', severityClass]">
          <text class="result-score">{{ result.totalScore }}</text>
          <text class="result-score-label">分</text>
        </view>
        <text :class="['result-severity', severityClass]">{{ severityLabel }}</text>
      </view>

      <!-- 自动建议 -->
      <view class="suggestion-card">
        <text class="suggestion-title">评估建议</text>
        <text class="suggestion-text">{{ result.suggestions }}</text>
      </view>

      <!-- 风险标志 -->
      <view class="risk-section" v-if="result.riskFlags && result.riskFlags.length > 0">
        <view class="risk-item" v-for="flag in result.riskFlags" :key="flag">
          <text class="risk-icon">&#x26A0;&#xFE0F;</text>
          <text class="risk-text">{{ riskFlagLabel(flag) }}</text>
        </view>
      </view>

      <!-- 危机热线 -->
      <view class="crisis-banner" v-if="showCrisisBanner">
        <text class="crisis-title">&#x1F6A8; 需要帮助？</text>
        <text class="crisis-phone">全国心理危机干预热线</text>
        <text class="crisis-number">400-161-9995</text>
        <text class="crisis-hint">24小时 · 免费 · 专业</text>
      </view>

      <view class="result-actions">
        <button class="action-btn primary-btn" @click="goTrend">查看情绪趋势</button>
        <button class="action-btn secondary-btn" @click="resetScreen">再测一次</button>
      </view>
    </view>

    <!-- 提交中 / 历史记录  -->
    <view class="loading-mask" v-if="submitting">
      <view class="loading-box">
        <text class="loading-text">提交中...</text>
      </view>
    </view>
  </view>
</template>

<script>
import config from '../../config'

export default {
  data() {
    return {
      currentScreen: null,    // null / 'PHQ9' / 'GAD7'
      currentStep: 0,
      answers: [],
      submitting: false,
      result: null,

      // PHQ-9 题目
      phq9Questions: [
        '做事时提不起劲或没有兴趣',
        '感到心情低落、沮丧或绝望',
        '入睡困难、睡不安稳或睡眠过多',
        '感觉疲倦或没有活力',
        '食欲不振或吃太多',
        '觉得自己很糟——或觉得自己很失败，或让自己或家人失望',
        '对事物专注有困难，例如阅读报纸或看电视时',
        '行动或说话速度缓慢到别人已经觉察？或正好相反——比平常更多话',
        '有不如死掉或用某种方式伤害自己的念头'
      ],

      // GAD-7 题目
      gad7Questions: [
        '感到紧张、焦虑或烦躁',
        '无法停止或控制担忧',
        '对各种各样的事情担忧过多',
        '很难放松下来',
        '由于不安而无法静坐',
        '变得容易烦恼或急躁',
        '感到害怕，好像可能发生可怕的事情'
      ],

      answerOptions: [
        '完全不会',
        '好几天',
        '一半以上的天数',
        '几乎每天'
      ],

      riskFlagLabels: {
        'suicide_ideation': '存在自杀/自伤相关念头，请立即寻求帮助',
        'core_depression_symptoms': '核心抑郁症状明显，建议关注',
        'core_anxiety_symptoms': '核心焦虑症状明显，建议关注'
      }
    }
  },

  computed: {
    questions() {
      if (this.currentScreen === 'PHQ9') return this.phq9Questions
      if (this.currentScreen === 'GAD7') return this.gad7Questions
      return []
    },

    severityLabel() {
      if (!this.result) return ''
      var map = {
        'none': '状态良好',
        'mild': '轻度',
        'moderate': '中度',
        'moderately_severe': '中重度',
        'severe': '重度'
      }
      return map[this.result.severityLevel] || this.result.severityLevel
    },

    severityClass() {
      if (!this.result) return ''
      var map = {
        'none': 'severity-good',
        'mild': 'severity-mild',
        'moderate': 'severity-moderate',
        'moderately_severe': 'severity-moderate',
        'severe': 'severity-severe'
      }
      return map[this.result.severityLevel] || ''
    },

    showCrisisBanner() {
      if (!this.result || !this.result.riskFlags) return false
      return this.result.riskFlags.indexOf('suicide_ideation') !== -1
    }
  },

  onLoad() {
    // 加载历史记录（可选）
  },

  methods: {
    startScreen(type) {
      this.currentScreen = type
      this.currentStep = 0
      this.answers = []
      this.result = null
      var count = type === 'PHQ9' ? 9 : 7
      for (var i = 0; i < count; i++) {
        this.answers.push(-1)
      }
    },

    selectAnswer(oi) {
      var newAnswers = this.answers.slice()
      newAnswers[this.currentStep] = oi
      this.answers = newAnswers
    },

    nextStep() {
      if (this.answers[this.currentStep] === -1) {
        uni.showToast({ title: '请先选择一项', icon: 'none' })
        return
      }
      this.currentStep++
    },

    prevStep() {
      if (this.currentStep > 0) this.currentStep--
    },

    submitScreen() {
      // 检查所有题目是否已回答
      for (var i = 0; i < this.answers.length; i++) {
        if (this.answers[i] === -1) {
          uni.showToast({ title: '请回答所有问题', icon: 'none' })
          this.currentStep = i
          return
        }
      }

      this.submitting = true

      const app = getApp()
      const childId = app.globalData.currentChildId

      uni.request({
        url: config.API_BASE_URL + '/api/mind/screening/submit',
        method: 'POST',
        data: {
          childId: childId,
          screenType: this.currentScreen,
          answers: this.answers
        },
        success: (res) => {
          this.submitting = false
          if (res.data && res.data.code === 200) {
            this.result = res.data.data
          } else {
            uni.showToast({ title: res.data && res.data.message || '提交失败', icon: 'none' })
          }
        },
        fail: () => {
          this.submitting = false
          uni.showToast({ title: '网络错误', icon: 'none' })
        }
      })
    },

    resetScreen() {
      this.currentScreen = null
      this.currentStep = 0
      this.answers = []
      this.result = null
    },

    goTrend() {
      uni.navigateTo({ url: '/pages/mind/emotion-trend' })
    },

    riskFlagLabel(flag) {
      return this.riskFlagLabels[flag] || flag
    }
  }
}
</script>

<style scoped>
.screen-container {
  min-height: 100vh;
  background: linear-gradient(180deg, #F0F4FF 0%, #FFFFFF 100%);
  padding-bottom: 40rpx;
}

.screen-header {
  padding: 40rpx 32rpx 20rpx;
}

.screen-title {
  font-size: 36rpx;
  font-weight: 700;
  color: #333;
  display: block;
}

.screen-subtitle {
  font-size: 26rpx;
  color: #999;
  margin-top: 8rpx;
  display: block;
}

.section {
  margin: 20rpx 32rpx;
  background: #fff;
  border-radius: 20rpx;
  padding: 28rpx;
  box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.04);
}

/* ===== 量表选择 ===== */
.scale-card {
  display: flex;
  align-items: center;
  padding: 24rpx;
  background: #FAFAFA;
  border-radius: 16rpx;
  margin-bottom: 16rpx;
  gap: 20rpx;
}

.scale-card:active {
  background: #F0F0F0;
}

.scale-icon-wrap {
  width: 72rpx;
  height: 72rpx;
  border-radius: 36rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.scale-icon {
  font-size: 36rpx;
}

.scale-info {
  flex: 1;
}

.scale-name {
  font-size: 28rpx;
  font-weight: 600;
  color: #333;
  display: block;
}

.scale-desc {
  font-size: 22rpx;
  color: #999;
  margin-top: 4rpx;
  display: block;
}

.scale-arrow {
  font-size: 28rpx;
  color: #ccc;
}

/* ===== 问卷 ===== */
.quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16rpx;
}

.quiz-title {
  font-size: 28rpx;
  font-weight: 600;
  color: #333;
}

.quiz-progress {
  font-size: 24rpx;
  color: #999;
}

.progress-track {
  height: 6rpx;
  background: #F0F0F0;
  border-radius: 3rpx;
  margin-bottom: 24rpx;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #6366F1, #8B5CF6);
  border-radius: 3rpx;
  transition: width 0.3s;
}

.question-card {
  background: #F8F6FF;
  border-radius: 16rpx;
  padding: 24rpx;
  margin-bottom: 24rpx;
}

.question-num {
  font-size: 22rpx;
  color: #8B5CF6;
  font-weight: 600;
  display: block;
  margin-bottom: 8rpx;
}

.question-text {
  font-size: 30rpx;
  color: #333;
  line-height: 1.5;
}

.options-list {
  display: flex;
  flex-direction: column;
  gap: 12rpx;
}

.option-btn {
  display: flex;
  align-items: center;
  padding: 20rpx 24rpx;
  border-radius: 14rpx;
  border: 2rpx solid #F0F0F0;
  gap: 16rpx;
}

.option-active {
  border-color: #8B5CF6;
  background: #F8F6FF;
}

.option-radio {
  width: 40rpx;
  height: 40rpx;
  border-radius: 20rpx;
  border: 3rpx solid #D0D0D0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.radio-checked {
  border-color: #8B5CF6;
}

.radio-dot {
  width: 22rpx;
  height: 22rpx;
  border-radius: 11rpx;
  background: #8B5CF6;
}

.option-text {
  font-size: 28rpx;
  color: #444;
}

.option-active .option-text {
  color: #333;
  font-weight: 500;
}

.quiz-nav {
  display: flex;
  gap: 16rpx;
  margin-top: 32rpx;
}

.nav-btn {
  flex: 1;
  height: 80rpx;
  line-height: 80rpx;
  border-radius: 40rpx;
  font-size: 28rpx;
  text-align: center;
}

.prev-btn {
  background: #F0F0F0;
  color: #666;
}

.next-btn {
  background: #6366F1;
  color: #fff;
}

.submit-btn {
  background: linear-gradient(135deg, #6366F1, #8B5CF6);
  color: #fff;
}

/* ===== 结果 ===== */
.result-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20rpx 0;
}

.result-type {
  font-size: 24rpx;
  color: #999;
  margin-bottom: 16rpx;
}

.result-score-circle {
  width: 120rpx;
  height: 120rpx;
  border-radius: 60rpx;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 12rpx;
}

.result-score {
  font-size: 48rpx;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.result-score-label {
  font-size: 20rpx;
  color: rgba(255,255,255,0.8);
  margin-top: 2rpx;
}

.result-severity {
  font-size: 30rpx;
  font-weight: 600;
}

.severity-good { background: #10B981; color: #10B981; }
.severity-mild { background: #F59E0B; color: #F59E0B; }
.severity-moderate { background: #FF8C42; color: #FF8C42; }
.severity-severe { background: #EF4444; color: #EF4444; }

.result-score-circle.severity-good { background: #10B981; }
.result-score-circle.severity-mild { background: #F59E0B; }
.result-score-circle.severity-moderate { background: #FF8C42; }
.result-score-circle.severity-severe { background: #EF4444; }

.suggestion-card {
  background: #F0FFF4;
  border-radius: 14rpx;
  padding: 20rpx;
  margin-top: 16rpx;
}

.suggestion-title {
  font-size: 24rpx;
  color: #10B981;
  font-weight: 600;
  display: block;
  margin-bottom: 8rpx;
}

.suggestion-text {
  font-size: 26rpx;
  color: #555;
  line-height: 1.6;
}

.risk-section {
  margin-top: 16rpx;
}

.risk-item {
  display: flex;
  align-items: flex-start;
  gap: 8rpx;
  padding: 12rpx 16rpx;
  background: #FFF5F5;
  border-radius: 12rpx;
  margin-bottom: 8rpx;
}

.risk-icon {
  font-size: 24rpx;
  flex-shrink: 0;
}

.risk-text {
  font-size: 24rpx;
  color: #E53E3E;
  line-height: 1.5;
}

.crisis-banner {
  margin-top: 16rpx;
  padding: 24rpx;
  background: linear-gradient(135deg, #FF6B6B, #E53E3E);
  border-radius: 16rpx;
  text-align: center;
}

.crisis-title {
  font-size: 28rpx;
  color: #fff;
  font-weight: 700;
  display: block;
}

.crisis-phone {
  font-size: 22rpx;
  color: rgba(255,255,255,0.8);
  margin-top: 12rpx;
  display: block;
}

.crisis-number {
  font-size: 40rpx;
  color: #fff;
  font-weight: 700;
  margin-top: 4rpx;
  display: block;
  letter-spacing: 2rpx;
}

.crisis-hint {
  font-size: 20rpx;
  color: rgba(255,255,255,0.7);
  margin-top: 4rpx;
  display: block;
}

.result-actions {
  display: flex;
  gap: 16rpx;
  margin-top: 28rpx;
}

.action-btn {
  flex: 1;
  height: 76rpx;
  line-height: 76rpx;
  border-radius: 38rpx;
  font-size: 26rpx;
  text-align: center;
}

.primary-btn {
  background: #FF6B9D;
  color: #fff;
}

.secondary-btn {
  background: #F0F0F0;
  color: #666;
}

.loading-mask {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.loading-box {
  background: #fff;
  padding: 40rpx 60rpx;
  border-radius: 20rpx;
}

.loading-text {
  font-size: 28rpx;
  color: #666;
}
</style>