<template>
  <view class="device-photo-page">
    <!-- 顶部导航栏 -->
    <view class="device-detail__header">
      <u-icon
        size="36"
        class="arrow-left"
        name="arrow-left"
        @click="handleBack"
      ></u-icon>
      {{ title }}
    </view>

    <!-- 日期选择器 -->
     <view class="date-container">
        <!-- <view class="select-year">
          <view class="select-year-item" @click="showPicker = true">
            {{ currentYear }}
            <u-icon name="arrow-down" size="18" class="arrow-down"></u-icon>
          </view>
        </view> -->
        <view class="date-picker" @click="show = true">
          <view class="date-input">
            <text class="date-label">{{ time_begin || '-' }}</text>
          </view>
          <!-- <view class="date-separator">-</view>
          <view class="date-input">
            <text class="date-label">{{ time_end || '-' }}</text>
          </view> -->
          <u-icon name="calendar" class="calendar"></u-icon>
        </view>
    </view>
    <!-- 主图片区域 -->
    <view class="main-photo" v-if="currentImg.addr">
      <movable-area class="movable-area" :style="{ height: containerHeight }">
        <movable-view
          class="movable-view"
          direction="all"
          scale="true"
          scale-min="1"
          scale-max="5"
        >
          <view class="image-container">
            <!-- 原图 -->
            <image
              :src="currentImg.addr"
              class="main-photo-image"
              mode="widthFix"
              @load="onImageLoad"
            />
            <!-- 虫子标记层 -->
            <view class="bug-markers" v-if="bugMarkers.length > 0">
              <view
                v-for="(marker, index) in bugMarkers"
                :key="index"
                class="bug-marker"
                :style="{
                  left: marker.x + '%',
                  top: marker.y + '%',
                  width: marker.width + '%',
                  height: marker.height + '%',
                  borderColor: marker.color
                }"
              >
                <view class="bug-label" :style="{ color: marker.color }">
                  {{ getPestName(marker.id) }}
                </view>
              </view>
            </view>
          </view>
        </movable-view>
      </movable-area>
      <view class="photo-timestamp">{{ formatDate(currentImg.addtime) }}</view>
    </view>

    <!-- 缩略图预览 -->
    <view class="thumbnail-preview">
      <view  class="thumbnail-scroll">
        <view 
          class="thumbnail-item" 
          v-for="(item, index) in thumbnails" 
          :key="index"
          :class="{ active: img_id == item.ids }"
          @click="selectThumbnail(item)"
        >
          <image 
            :src="item.addr" 
            class="thumbnail-image"
          />
        </view>
      </view>
    </view>

    <!-- 识别结果 -->
    <view class="recognition-result" v-if="pestList.length">
      <view class="result-title">当前图片识别结果</view>
      <!-- 一类害虫 -->
      <view class="pest-category" v-for="(pest,index) in pestList" :key="index">
        <view class="category-header">
          <text class="category-title">{{ pest[0] }}</text>
          <text class="category-count">数量</text>
        </view>
        <view class="pest-item" v-for="(p, i) in pest[1]" :key="i">
          <view class="pest-info">
            <view class="pest-color" :style="{ backgroundColor: getPestColor(p.pest_name) }"></view>
            <text class="pest-name">{{ p.pest_name }}</text>
          </view>
          <text class="pest-count">{{ p.pest_num }}</text>
        </view>
      </view>
    </view>
    <u-empty v-else text="暂无数据"></u-empty>
		<u-calendar 
      v-model="show"
      :mode="mode"
      @change="handleChange"
      range-color="#999"
      btn-type="success"
      active-bg-color="#0bbc58"
      range-bg-color="rgba(11,188,88,0.13)"
      :defaultDate="defaultDate"
    ></u-calendar>
		<u-picker v-model="showPicker" mode="selector" :range="selectorRange" range-key="id" :default-selector="[0]" @confirm="confirmHandler"></u-picker>
  </view>
</template>

<script>
export default {
  data() {
    return {
      show: false,
      mode: 'date',
      maxDate: this.formatTime(new Date()),
      minDate: this.formatTime(new Date(new Date().getFullYear(), 0, 1)),
      defaultDate: this.formatTime(new Date(new Date().getFullYear(), 0, 1)),
      showPicker: false,
      selectorRange: [],
      title: '查看图片',
      currentThumbnail: 2,
      pestYype:{},
      device_id: '',
      time_begin: this.formatTime(new Date(new Date().getFullYear(), 0, 1)),
      time_end: this.formatTime(new Date()),
      img_id: '',
      pest_list:[],
      pestList:[],
      colors:[
        '#FF5951',
        '#66EDED',
        '#E67B3E',
        '#6DE28B',
        '#FFC97A',
        '#E7EB4B',
        '#1561F3',
        '#FA73F5',
        '#159AFF',
        '#FA73F5'
      ],
      currentYear:'',
      pest_list_arr:[],
      thumbnails: [],
      addtime:'',
      currentImg:{},
      bugMarkers: [],
      imageWidth: 0,
      imageHeight: 0,
      imgOld_id:'',
      containerHeight: '300px',
      pestDict: {}, // 虫子字典 {id: name}
      pestColorMap: {}, // 害虫颜色映射 {pestName: color}
    };
  },
  async onLoad(options) {
    const {id,img_id,currentYear,addtime} = options
    this.device_id = id
    this.imgOld_id = img_id
    this.img_id = img_id
    this.currentYear = currentYear
    this.addtime = this.formatTime(Number(addtime)*1000);
    this.time_begin = this.addtime;
    this.defaultDate = this.addtime;
    this.time_end = this.addtime;
    this.selectorRange = [];
    const nowYear = new Date().getFullYear();
    for(let i = 0;i<50;i++){
      const item = {
        label: nowYear - i,
        id: nowYear - i
      }
      this.selectorRange.push(item);
    }
    this.pestList = [];
    // await this.getPestDict();
    // this.getPestLevelMap();
    this.getDevicePhotoDetails();
    // this.getDevicePhotoDetails();
  },
  methods: {
    getPestName(id){
      return this.pestDict[id] || id;
    },
    async confirmHandler(e){
      this.currentYear = this.selectorRange[e].id;
      if(this.currentYear == new Date().getFullYear()){
        this.time_begin = this.formatTime(new Date(new Date().getFullYear(), 0, 1));
        this.time_end = this.formatTime(new Date());
        this.maxDate = this.formatTime(new Date());
        this.minDate = this.formatTime(new Date(new Date().getFullYear(), 0, 1));
      }else{
        this.time_begin = this.formatTime(new Date(this.currentYear, 0, 1));
        this.time_end = this.formatTime(new Date(this.currentYear, 11, 31));
        this.maxDate = this.formatTime(new Date(this.currentYear, 11, 31));
      this.minDate = this.formatTime(new Date(this.currentYear, 0, 1));
      this.defaultDate = this.minDate;
      }
      this.showPicker = false;
      this.pestList = [];
      this.thumbnails = [];
      await this.getDevicePhotoDetails();
    },
    async handleChange(e){
      console.log(e,'e')
      this.time_begin = e.result;
      this.time_end = e.result;
      this.pestList = [];
      await this.getDevicePhotoDetails()
      this.currentImg = {};
    },
    getPestColor(pestName) {
      // 如果该害虫已有颜色，直接返回
      if (this.pestColorMap[pestName]) {
        return this.pestColorMap[pestName];
      }
      // 为新害虫分配颜色
      const usedColors = Object.values(this.pestColorMap);
      // 找一个未使用的颜色
      let color;
      for (const c of this.colors) {
        if (!usedColors.includes(c)) {
          color = c;
          break;
        }
      }
      // 如果所有颜色都用完了，使用哈希值确定颜色
      if (!color) {
        const hash = pestName.split('').reduce((acc, char) => acc + char.charCodeAt(0), 0);
        color = this.colors[hash % this.colors.length];
      }
      this.pestColorMap[pestName] = color;
      return color;
    },
     getLevelDisplayName(level) {
      const levelMap = {
        '-1': '其他害虫',
        1: '一类害虫',
        2: '二类害虫',
        3: '三类害虫',
        4: '四类害虫',
        5: '五类害虫'
      };
      return levelMap[String(level)] || `${level}`;
    },
    formatTime(dateString) {
      const date = new Date(dateString);
      const year = date.getFullYear();
      const month = String(date.getMonth() + 1).padStart(2, '0');
      const day = String(date.getDate()).padStart(2, '0');
      return `${year}-${month}-${day}`;
    },
    async getPestLevelMap() {
      const res = await this.$myRequest({
        url: '/api/api_gateway?method=forecast.new_cbd.pest_level_map',
        method: 'POST',
      });
      const pestYype = {}
      for(let key in res){
        pestYype[this.getLevelDisplayName(key)] = res[key]
      }
      this.pestYype = pestYype
    },
    // 获取虫子字典
    async getPestDict() {
      try {
        const res = await this.$myRequest({
          url: '/api/api_gateway?method=forecast.pest_info.pest_dict',
          method: 'POST',
          data:{
            type_name: '1'
          }
        });
        this.pestDict = res || {};
      } catch (error) {
        console.error('获取虫子字典失败:', error);
        this.pestDict = {};
      }
    },
    formatDate(dateString) {
      const date = new Date(dateString*1000);
      const year = date.getFullYear();
      const month = String(date.getMonth() + 1).padStart(2, '0');
      const day = String(date.getDate()).padStart(2, '0');
      const hour = String(date.getHours()).padStart(2, '0');
      const minute = String(date.getMinutes()).padStart(2, '0');
      const second = String(date.getSeconds()).padStart(2, '0');
      return `${year}-${month}-${day} ${hour}:${minute}:${second}`;
    },
    async getDevicePhotoDetails() {
      const res = await this.$myRequest({
        url: '/api/api_gateway?method=forecast.forecast_system.bzy_photo_detail',
        method: 'POST',
        data: {
          cmd:'bzy',
          img_id: this.img_id,
        },
      });
      this.currentImg = res;
      // 处理label参数生成bugMarkers
      this.processBugMarkers();
      const pest_list = res.pest_list || [];
      const pestArr = new Map()
      const pesAlltList = []
      for(let key in this.pestYype){
        for(let j in this.pestYype[key]){
          const pestName = this.pestYype[key][j]
          pesAlltList.push(pestName)
          pest_list?.forEach(item => {
            if(item.pest_name == pestName){
              if(pestArr.has(key)){
                pestArr.get(key).push(item)
              }else{
                pestArr.set(key, [item])
              }
            }
          })
        }
      }
      pest_list.forEach(item => {
        if(!pesAlltList.includes(item.pest_name)){
          pestArr.get('其他害虫').push(item)
        }
      })
      const pestList = []
      for(let key of pestArr){
        pestList.push(key)
      }
      this.pestList = pestList
    },
    onImageLoad(e) {
      this.imageWidth = e.detail.width;
      this.imageHeight = e.detail.height;

      // 计算容器显示高度（根据屏幕宽度和图片宽高比）
      const systemInfo = uni.getSystemInfoSync();
      const screenWidth = systemInfo.windowWidth;
      const containerWidth = screenWidth - 24; // 减去左右margin (24rpx ≈ 12px)
      const displayHeight = (containerWidth / this.imageWidth) * this.imageHeight;

      this.containerHeight = displayHeight + 'px';
      console.log('图片尺寸:', this.imageWidth, this.imageHeight, '容器高度:', this.containerHeight);

      // 图片加载完成后处理bugMarkers
      this.processBugMarkers();
    },
    
    processBugMarkers() {
      console.log('22222', this.currentImg);
      if(this.currentImg.is_mark){
        if(!this.currentImg.mark){
          this.bugMarkers = [];
          return;
        }
      }else{
        if(!this.currentImg.label){
          this.bugMarkers = [];
          return;
        }
      }
      // 如果没有图片尺寸，先设置默认值
      if (!this.imageWidth || !this.imageHeight) {
        console.log('没有图片尺寸，使用默认值');
        this.imageWidth = 1000;
        this.imageHeight = 1000;
      }

      try {
        // 处理label参数，将单引号替换为双引号
        let labelStr = this.currentImg.label;
        let label
        if(labelStr){
          labelStr = labelStr?.replace(/'/g, '"');
          console.log(labelStr,'labelStrlabelStr')
          label = JSON.parse(labelStr);
        }
        const markers = [];

        // 根据原图宽度计算缩放比例
        let scaleRatio;
        if (this.imageWidth >= 5000) {
          scaleRatio = 1;
        } else if (this.imageWidth >= 4000) {
          scaleRatio = 1;
        } else {
          scaleRatio = 1;
        }
        console.log('原图宽度:', this.imageWidth, '缩放比例:', scaleRatio);
        const mark = this.currentImg.mark || []
        if(this.currentImg.is_mark){
          mark.forEach(item=>{
            const x = (item.startX * scaleRatio / this.imageWidth) * 100;
            const y = (item.startY * scaleRatio / this.imageHeight) * 100;
            const width = (item.width * scaleRatio / this.imageWidth) * 100;
            const height = (item.height * scaleRatio / this.imageHeight) * 100;
            markers.push({
              id: item.text, // 显示虫子名字
              x,
              y,
              width,
              height,
              color:this.getPestColor(item.text)
            });
          })
        }else{
          label?.forEach(item => {
            for (let key in item) {
              const [x1, y1, x2, y2] = item[key];
              // 使用缩放比例计算标记位置和尺寸
              const x = (x1 * scaleRatio / this.imageWidth) * 100;
              const y = (y1 * scaleRatio / this.imageHeight) * 100;
              const width = ((x2 - x1) * scaleRatio / this.imageWidth) * 100;
              const height = ((y2 - y1) * scaleRatio / this.imageHeight) * 100;

              // 从字典中获取虫子名字（尝试字符串和数字两种类型）
              const pestName = this.pestDict[key] || this.pestDict[String(key)] || key;
              const color = this.getPestColor(pestName);

              markers.push({
                id: pestName, // 显示虫子名字
                x,
                y,
                width,
                height,
                color
              });
            }
          });
        }
        console.log(markers,'markersmarkers')
        this.bugMarkers = markers;
      } catch (error) {
        console.error('处理label参数失败:', error);
        this.bugMarkers = [];
      }
    },
    handleBack() {
      uni.navigateBack({
        delta: 1
      });
    },
    goBack() {
      uni.navigateBack();
    },
    selectThumbnail(item) {
      this.img_id = item.ids;
      this.getDevicePhotoDetails();
    }
  }
};
</script>

<style lang="scss" scoped>
::v-deep .u-calendar__action{
  display:flex;
  justify-content: space-between;
}
::v-deep .u-hover-class{
  .u-calendar__content__item__inner{
    color:#aaa !important;
  }
}
.device-photo-page {
  background-color: #F5F5F5;
  min-height: 100vh;
  width: 100%;
  padding-top: 112rpx;
  background: linear-gradient(180deg, #ffffff00 0%, #F5F6FA 23.64%, #F5F6FA 100%), linear-gradient(102deg, #BFEADD 6.77%, #B8F1E7 40.15%, #B9EEF5 84.02%);
  .device-detail__header {
    width: 100%;
    font-size: 28rpx;
    color: #999;
    color: #042118;
    font-family: 'Source Han Sans CN VF';
    font-weight: 700;
    position: relative;
    text-align: center;
    .arrow-left {
      position: absolute;
      left: 32rpx;
      margin-right: 12rpx;
    }
  }

  /* 顶部导航栏 */
  .nav-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24rpx;
    background-color: #E6F7EF;

    .nav-left {
      .back-icon {
        font-size: 36rpx;
        color: #042118;
      }
    }

    .nav-title {
      font-size: 32rpx;
      font-weight: 700;
      color: #042118;
    }

    .nav-right {
      display: flex;
      align-items: center;

      .more-icon {
        font-size: 32rpx;
        color: #042118;
        margin-right: 24rpx;
      }

      .eye-icon {
        font-size: 32rpx;
      }
    }
  }
  .date-container{
    padding: 0 20rpx;
    display: flex;
    align-items: center;
    justify-content: center;
    .select-year{
      width: 150rpx;
      height: 80rpx;
      display: flex;
      align-items: center;
      justify-content: space-around;
      color: #656565;
      font-size: 26rpx;
      line-height: 80rpx;
      text-align: center;
      border-radius: 48rpx;
      background-color: #FFFFFF;
      margin-right: 10rpx;
      padding: 0 26rpx;
      .select-year-item{
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-around;
      }
    }
  }
  /* 日期选择器 */
  .date-picker {
    display: flex;
    align-items: center;
    padding: 20rpx 24rpx;
    background-color: #FFFFFF;
    margin-bottom: 24rpx;
    width: 100%;
    margin:20rpx auto;
    border-radius: 48rpx;
    position: relative;
    .date-input {
      display: flex;
      flex-direction: column;
      width: 100%;
      text-align: center;
      .date-label {
        font-size: 24rpx;
        color: #999999;
        margin-bottom: 8rpx;
      }

      .date-value {
        font-size: 28rpx;
        color: #042118;
        font-weight: 500;
      }
    }
    .calendar {
      position: absolute;
      right: 24rpx;
      top: 50%;
      transform: translateY(-50%);
      font-size: 32rpx;
      color: #999999;
    }
    .date-separator {
      margin: 0 24rpx;
      font-size: 28rpx;
      color: #999999;
    }
  }

  /* 主图片区域 */
  .main-photo {
    position: relative;
    margin: 0 24rpx 24rpx;
    background-color: #FFFFFF;
    border-radius: 16rpx;
    padding: 0;
    overflow: hidden;
    .movable-area {
      width: 100%;
      overflow: hidden;
    }

    .movable-view {
      width: 100%;
    }

    .image-container {
      position: relative;
      width: 100%;
    }

    .main-photo-image {
      width: 100%;
      display: block;
    }

    /* 虫子标记层 */
    .bug-markers {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
    }

    /* 虫子标记 */
    .bug-marker {
      position: absolute;
      border: 2rpx solid;
      border-radius: 4rpx;
    }

    /* 虫子标记标签 */
    .bug-label {
      position: absolute;
      top: -24rpx;
      left: 0;
      padding: 2rpx 6rpx;
      border-radius: 4rpx;
      font-size: 20rpx;
      color: white;
      white-space: nowrap;
    }

    /* 虫子标记层 */
    .bug-markers {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
    }

    /* 虫子标记 */
    .bug-marker {
      position: absolute;
      border: 2rpx solid;
      border-radius: 4rpx;
      pointer-events: auto;
    }

    /* 虫子标记标签 */
    .bug-label {
      position: absolute;
      top: -30rpx;
      left: 0;
      padding: 4rpx 8rpx;
      border-radius: 4rpx;
      font-size: 20rpx;
      font-weight: bold;
    }

    .photo-timestamp {
      position: absolute;
      bottom: 0rpx;
      left: 0rpx;
      width:100%;
      background-color: rgba(0, 0, 0, 0.6);
      color: #FFFFFF;
      padding: 8rpx 16rpx;
      border-radius: 8rpx;
      font-size: 24rpx;
    }
  }

  /* 缩略图预览 */
  .thumbnail-preview {
    margin: 0 24rpx 24rpx;

    .thumbnail-scroll {
      gap: 16rpx;
      padding-bottom: 16rpx;
      box-sizing: border-box;
      white-space: nowrap;
      overflow-x: auto;
      overflow-y: hidden;
      width: 100%;
      // 隐藏滚动条
      -ms-overflow-style: none;
      scrollbar-width: none;
      .thumbnail-item {
        width: 120rpx;
        height: 120rpx;
        border-radius: 8rpx;
        overflow: hidden;
        border: 2rpx solid transparent;
        display: inline-block;
        box-sizing: border-box;
        margin-right: 10rpx;
        &.active {
          border-color: #0bbc58;
        }

        .thumbnail-image {
          width: 100%;
          height: 100%;
          object-fit: cover;
        }
      }
    }
  }

  /* 识别结果 */
  .recognition-result {
    margin: 0 24rpx 24rpx;
    background-color: #FFFFFF;
    border-radius: 16rpx;
    padding: 24rpx;

    .result-title {
      font-size: 28rpx;
      font-weight: 700;
      color: #042118;
      margin-bottom: 24rpx;
    }

    /* 害虫类别 */
    .pest-category {
      margin-bottom: 32rpx;
      border: 1px solid #E4E7ED;
      border-radius: 16rpx;
      &:last-child {
        margin-bottom: 0;
      }

      .category-header {
        display: flex;
        justify-content: space-between;
        margin-bottom: 16rpx;
        background: #F6F8FC;
        padding: 18rpx 24rpx;
        .category-title {
          font-size: 24rpx;
          font-weight: 500;
          color: #042118;
        }

        .category-count {
          font-size: 24rpx;
          color: #999999;
        }
      }

      .pest-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 12rpx;
        padding: 6rpx 24rpx;
        &:last-child {
          margin-bottom: 0;
        }

        .pest-info {
          display: flex;
          align-items: center;

          .pest-color {
            width: 16rpx;
            height: 16rpx;
            border-radius: 50%;
            margin-right: 12rpx;
          }

          .pest-name {
            font-size: 24rpx;
            color: #042118;
          }
        }

        .pest-count {
          font-size: 24rpx;
          color: #042118;
        }
      }
    }
  }
}
</style>