<template>
  <div class="app-container home">
    <!-- 数据总览卡片 -->
    <div>
      <h2>数据总览</h2>
      <div class="data-item">
        <div class="data_bck">
          <div class="number"><span>{{ DataOverview.devicesNumber }}</span> 个</div>
          <div class="title_number">设备数量</div>
        </div>
        <div class="data_green">
          <div class="number"><span>{{ DataOverview.equipmentOnline }}</span> 个</div>
          <div class="title_number">在线设备</div>
        </div>
        <div class="data_orgine">
          <div class="number"><span>{{ DataOverview.binding }}</span> 个</div>
          <div class="title_number">已绑定设备</div>
        </div>
        <div class="data_red">
          <div class="number"><span>{{ DataOverview.equipmentAbnormal }}</span> 个</div>
          <div class="title_number">异常设备</div>
        </div>
      </div>

      <!-- 设备分类 + 快捷操作 -->
      <el-row :gutter="20">
        <el-col :span="12">
          <div class="content-row">
            <h2>设备分类</h2>
            <div class="card-header">
              <div v-for="(item, index) in deviceList" :key="index" class="progress-item"
                style="display: inline-block; margin-right: 40px;">
                <el-progress :stroke-width="7" type="circle" :width="100"
                  :percentage="item.total === 0 ? 0 : (item.current / item.total) * 100">
                  <template #default>
                    <div class="progress-text">
                      <span class="current">{{ item.current }}</span>
                      <span class="divider">/</span>
                      <span class="total">{{ item.total }}</span>
                    </div>
                  </template>
                </el-progress>
                <div class="progress-name">{{ item.name }}</div>
              </div>
            </div>
          </div>
        </el-col>
        <el-col :span="12">
          <div class="content-row">
            <h2>快捷操作</h2>
            <div class="card-header">
              <div class="quick-item" @click="handledeviceTypeAdd">
                <img src="../assets/index/device_type.png" class="quick-img" />
                <div class="card_title">设备类型</div>
              </div>
              <div class="quick-item" @click="handledeviceAdd">
                <img src="../assets/index/device_add.png" class="quick-img" />
                <div class="card_title">设备添加</div>
              </div>
              <div class="quick-item" @click="handleGroup">
                <img src="../assets/index/device_group.png" class="quick-img" />
                <div class="card_title">分组管理</div>
              </div>
              <div class="quick-item" @click="handleControlPanel">
                <img src="../assets/index/conton.png" class="quick-img" />
                <div class="card_title">控制面板</div>
              </div>
            </div>
          </div>
        </el-col>
      </el-row>

      <!-- 图表区域：设备使用频次 + 报警信息 -->
      <el-row :gutter="20">
        <el-col :span="12">
          <div class="region-chart-card">
            <div class="card-header">
              <h2>设备使用频次</h2>
              <div class="chart-controls">
                <el-select v-model="deviceType" placeholder="设备类型" style="width: 150px;"
                  @change="handleDeviceTypeChange">
                  <el-option v-for="item in deviceTypeOptions" :key="item.value" :label="item.typeName"
                    :value="item.deviceTypeId" />
                </el-select>
                <div class="tab-group">
                  <div class="tab-item" :class="{ 'tab-item--active': activeTab === '1' }"
                    @click="updateFrequencyChart('1')">
                    近半年
                  </div>
                  <div class="tab-item" :class="{ 'tab-item--active': activeTab === '2' }"
                    @click="updateFrequencyChart('2')">
                    近一年
                  </div>
                </div>
              </div>
            </div>
            <div class="card-body">
              <!-- 图表容器：设备使用频次 -->
              <div ref="frequencyChartRef" class="chart-container"></div>
            </div>
          </div>
        </el-col>
        <el-col :span="12">
          <div class="region-chart-card">
            <div class="card-header">
              <h2>报警信息</h2>
            </div>
            <div class="card-body">
              <el-row :gutter="16">
                <el-col :span="8">
                  <div class="alarm-overview">
                    <!-- 环形图容器：今日报警处理占比 -->
                    <div ref="alarmRingChartRef" class="chart-container"></div>
                    <div class="alarm-stats">
                      <div class="stat-item" v-if="alarmsData">
                        <div class="stat red">{{ alarmsData.alarmsTotal }}</div>
                        <div class="label">报警总数</div>
                      </div>
                      <div class="stat-item" v-if="alarmsData">
                        <div class="stat green">{{ alarmsData.processingAlarm }}</div>
                        <div class="label">总处理报警</div>
                      </div>
                    </div>
                  </div>
                </el-col>
                <!-- 报警事项 + 柱状图 -->
                <el-col :span="16">
                  <div class="alarm-items">
                    <h3>报警事项</h3>
                    <!-- 柱状图容器：各类型报警次数 -->
                    <div ref="alarmBarChartRef" class="chart-container"></div>
                  </div>
                </el-col>
              </el-row>
            </div>
          </div>
        </el-col>
      </el-row>
    </div>
  </div>
</template>

<script setup name="Index" lang="ts">
import api from '@/api/home/index'
import { DataOverviewType } from '@/api/home/types'
import router from '@/router';
import * as echarts from 'echarts'; // 引入ECharts核心库
import apiTypeAll from '@/api/equipmentManagement/device/index';
const DataOverview = ref<DataOverviewType>({
  devicesNumber: 0,
  equipmentOnline: 0,
  binding: 0,
  equipmentAbnormal: 0
});
const deviceTypeOptions = ref([]); //设备类型
const deviceType = ref()
const activeTab = ref('1');
const alarmsData = ref()
// ---------------------- 基础数据 ----------------------
// 设备分类数据
const deviceList = ref([
  { name: "4G设备", current: 0, total: 0 },
  { name: "蓝牙设备", current: 0, total: 0 },
  { name: "4G&蓝牙设备", current: 0, total: 0 },
]);
// ---------------------- 图表Ref（用于挂载图表实例） ----------------------
const frequencyChartRef = ref<HTMLDivElement | null>(null); // 设备使用频次折线图
const alarmRingChartRef = ref<HTMLDivElement | null>(null); // 报警环形图
const alarmBarChartRef = ref<HTMLDivElement | null>(null); // 报警柱状图
// ---------------------- 图表实例存储（用于销毁/更新） ----------------------
let frequencyChartInstance: echarts.ECharts | null = null;
let alarmRingChartInstance: echarts.ECharts | null = null;
let alarmBarChartInstance: echarts.ECharts | null = null;

// ---------------------- 快捷操作方法 ----------------------
const handledeviceTypeAdd = () => {
  router.push('/equipmentManagement/deviceType');
};
const handledeviceAdd = () => {
  router.push('/equipmentManagement/devices');
};
const handleGroup = () => {
  router.push('/equipmentManagement/group');
};
const handleControlPanel = () => {
  router.push('controlCenter/controlPanel');
};

// ---------------------- 图表初始化方法 ----------------------
const initFrequencyChart = async (range: any = '1', deviceTypeId: any) => {
  if (!frequencyChartRef.value) return;
  frequencyChartInstance = echarts.init(frequencyChartRef.value);
  try {
    let data = {
      deviceTypeId: deviceTypeId
    }
    const res = await api.getEquipmentUsageData(range, data);
    const monthData = res.data[0] || {};
    const monthKeys = ['m1', 'm2', 'm3', 'm4', 'm5', 'm6', 'm7', 'm8', 'm9', 'm10', 'm11', 'm12'];
    const monthNames = ['1月', '2月', '3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月', '12月'];
    // 3. 计算时间范围（核心逻辑）
    let filteredKeys, filteredNames, yAxisData;
    const today = new Date();
    const currentMonth = today.getMonth();
    if (range === '1') {
      const result = [];
      for (let i = 0; i < 6; i++) {
        const targetMonth = (currentMonth - i + 12) % 12;
        result.push(targetMonth);
      }
      const recent6Months = result.reverse();
      // 匹配接口字段和名称
      filteredKeys = recent6Months.map(monthIndex => monthKeys[monthIndex]);
      filteredNames = recent6Months.map(monthIndex => monthNames[monthIndex]);
      yAxisData = filteredKeys.map(key => monthData[key] || 0);
    } else {
      // 近一年：全部12个月（1月→12月）
      filteredKeys = monthKeys;
      filteredNames = monthNames;
      yAxisData = filteredKeys.map(key => monthData[key] || 0);
    }
    const chartData = {
      xAxis: filteredNames,
      yAxis: yAxisData,
      peak: { name: '峰值', value: 0, month: '' }
    };
    if (yAxisData.length) {
      const maxVal = Math.max(...yAxisData);
      const maxIndex = yAxisData.indexOf(maxVal);
      chartData.peak = {
        name: '峰值',
        value: maxVal,
        month: chartData.xAxis[maxIndex] || ''
      };
    }
    const option = {
      tooltip: { trigger: 'axis', formatter: '{b}: {c} 次' },
      grid: { left: '3%', right: '4%', bottom: '3%', containLabel: true },
      xAxis: {
        type: 'category',
        data: chartData.xAxis,
        axisLabel: { interval: 0 }
      },
      yAxis: {
        type: 'value',
        name: '使用次数',
        min: 0,
        max: chartData.yAxis.length ? Math.max(...chartData.yAxis) + 100 : 100
      },
      series: [
        {
          name: '使用频次',
          type: 'line',
          data: chartData.yAxis,
          smooth: false,
          lineStyle: { width: 3, color: '#409eff' },
          itemStyle: { color: '#409eff', radius: 5 },
          areaStyle: {
            color: {
              type: 'linear',
              x: 0, y: 0, x2: 0, y2: 1,
              colorStops: [
                { offset: 0, color: 'rgba(64, 158, 255, 0.3)' },
                { offset: 1, color: 'rgba(64, 158, 255, 0)' }
              ]
            }
          },
          markPoint: {
            data: chartData.peak.value
              ? [{
                name: chartData.peak.name,
                value: chartData.peak.value,
                xAxis: chartData.xAxis.indexOf(chartData.peak.month),
                yAxis: chartData.peak.value,
                itemStyle: { color: '#409eff' }
              }]
              : []
          }
        }
      ]
    };
    frequencyChartInstance.setOption(option);
  } catch (error) {
  }
};
/**
 * 2. 报警环形图（今日报警处理占比）
 */
const initAlarmRingChart = async () => {
  if (!alarmRingChartRef.value) return;
  alarmRingChartInstance = echarts.init(alarmRingChartRef.value);
  try {
    const res = await api.getAlarmInformation({});
    const { alarmsTotalToday = 0, processingAlarmToday = 0 } = res.data || {};
    alarmsData.value = res.data || '0'
    alarmRingChartInstance = echarts.init(alarmRingChartRef.value);
    const option = {
      tooltip: {
        trigger: 'item',
        formatter: '{b}: {c} 次 ({d}%)' // 显示数量和百分比
      },
      legend: {
        origin: 'vertical',
        data: ['报警', '已处理']
      },
      series: [
        {
          type: 'pie',
          radius: ['50%', '60%'], // 环形半径
          center: ['50%', '50%'], // 居中显示
          avoidLabelOverlap: false,
          label: {
            show: true,
            position: 'center',
            formatter: [
              '{valueStyle|' + alarmsTotalToday + '/' + processingAlarmToday + '}',
              '{textStyle|今日报警/处理}'
            ].join('\n'), // 换行
            // 关键：配置 rich 定义样式
            rich: {
              valueStyle: {
                color: '#333',    // 数字颜色
                fontSize: 18,     // 数字字号
                fontWeight: 'bold',// 数字加粗
                lineHeight: 24    // 行高（控制与下一行间距）
              },
              textStyle: {
                color: 'rgba(56, 64, 79, 0.6)', // 文字颜色（可自定义）
                fontSize: 14,     // 文字字号
                lineHeight: 20    // 文字行高
              }
            },
            fontSize: 16,
            fontWeight: 'bold',
            color: '#333'
          },
          labelLine: {
            show: false // 隐藏标签连接线
          },
          data: [
         
            {  
              value:processingAlarmToday ,
              name: '已处理',
              itemStyle: { color: '#07BE75' }
            },
               {
              value: alarmsTotalToday,
              name: '报警',
              itemStyle: { color: '#F65757' }
            },

          ]
        }
      ]
    };
    alarmRingChartInstance.setOption(option);
    // 报警柱状图
    initAlarmBarChart()
  } catch (error) {
  }
};

/**
 * 3. 报警柱状图（各类型报警次数）
 */
const initAlarmBarChart = () => {
  if (!alarmBarChartRef.value) return;
  const alarmTypeMap = [
    { name: '强制报警', field: 'alarmForced' },         // alarmForced 
    { name: '撞击闯入', field: 'intrusionImpact' },     // intrusionImpact 
    { name: '自动报警', field: 'alarmAuto' },          // alarmAuto 
    { name: '电子围栏', field: 'fenceElectronic' }       // fenceElectronic 
  ];

  const alarmTypes = alarmTypeMap.map(item => item.name);
  const alarmCounts = alarmTypeMap.map(item => {
    const value = alarmsData.value[item.field]; // 提取对应字段值
    console.log(`${item.name}数值:`, value); // 打印每个类型的数值
    return value;
  });
  const commonGradient = new echarts.graphic.LinearGradient(0, 0, 0, 1, [
    { offset: 0, color: 'rgba(246, 87, 87, 1)' },    // 渐变起点：#F65757（不透明）
    { offset: 1, color: 'rgba(224, 52, 52, 0)' }     // 渐变终点：#E03434（全透明）
  ]);
  const option = {
    tooltip: {
      trigger: 'axis',
      formatter: '{b}: {c} 次'
    },
    grid: {
      left: '3%',
      right: '4%',
      bottom: '3%',
      containLabel: true
    },
    xAxis: {
      type: 'category',
      data: alarmTypes,
      axisLabel: {
        interval: 0 // 强制显示所有标签
      }
    },
    yAxis: {
      type: 'value',
      name: '报警次数',
      min: 0
    },
    series: [
      {
        name: '报警次数',
        type: 'bar',
        data: alarmCounts,
        barWidth: '20%',
        itemStyle: {
          color: commonGradient,       // 所有柱子共用同一渐变色
          borderRadius: 4              // 统一4px圆角
        }
      }
    ]
  };
  // 4. 初始化并渲染图表
  alarmBarChartInstance = echarts.init(alarmBarChartRef.value);
  alarmBarChartInstance.setOption(option);
};
// ---------------------- 图表更新方法（时间范围切换时） ----------------------
const updateFrequencyChart = (tabValue: any) => {
  activeTab.value = tabValue;
  if (frequencyChartInstance) {
    frequencyChartInstance.dispose();
  }
  deviceType.value=''
  initFrequencyChart(tabValue, '');
};
const handleDeviceTypeChange = (all) => {
  initFrequencyChart(activeTab.value, all);

};
// 首页统计接口
const getData = async () => {
  //  设备总览
  api.getDataOverview({}).then(res => {
    DataOverview.value = res.data
  })
  // 设备分类
  try {
    const res = await api.getEquipmentClassification({});
    console.log(res, 'resss');
    const { equipment4G, deviceBluetooth, devices4GAndBluetooth, total } = res.data;
    // 映射数据：current 为各类型设备数量，total 为总设备数（6）
    deviceList.value = [
      {
        name: "4G设备",
        current: equipment4G,
        total: total
      },
      {
        name: "蓝牙设备",
        current: deviceBluetooth,
        total: total
      },
      {
        name: "4G&蓝牙设备",
        current: devices4GAndBluetooth,
        total: total
      },
    ];
  } catch (error) {
    console.log('获取设备分类数据失败：', error);
  }
  // 设备类型
  apiTypeAll.deviceTypeAll().then(res => {
    if (res.code == 200) {
      const originalData = Array.isArray(res.data) ? res.data : [];
      deviceTypeOptions.value = [{ typeName: '全部', deviceTypeId: ''}].concat(originalData); 
    }
  }).catch(err => {

  })
};








// ---------------------- 生命周期钩子（初始化/销毁图表） ----------------------
onMounted(() => {
  // 页面加载时初始化所有图表
  initFrequencyChart('1', '');
  initAlarmRingChart();
  getData()

  // 监听窗口 resize，自动调整图表大小
  window.addEventListener('resize', () => {
    frequencyChartInstance?.resize();
    alarmRingChartInstance?.resize();
    alarmBarChartInstance?.resize();
  });
});

onUnmounted(() => {
  // 页面销毁时销毁图表实例，避免内存泄漏
  frequencyChartInstance?.dispose();
  alarmRingChartInstance?.dispose();
  //alarmBarChartInstance?.dispose();
  window.removeEventListener('resize', () => { });
});                    
</script>

<style lang="scss" scoped>
.home {
  padding: 10px 20px 10px 20px;
  background-color: #f5f7fa;
  min-height: calc(100vh - 84px);

  // 数据总览卡片样式
  .data-item {
    display: flex;
    justify-content: space-between;
    width: 100%;
    color: rgba(255, 255, 255, 1);
    margin-bottom: 20px;

    .data_bck,
    .data_green,
    .data_orgine,
    .data_red {
      width:23%;
      height: 135px;
      border-radius: 10px;
      position: relative;
      text-align: center;
    }

    .data_bck {
      background: url('../assets/index/devices_online.png') no-repeat;
      background-size: 100%; // 确保背景图充满容器
    }

    .data_green {
      background: url('../assets/index/online.png') no-repeat;
      background-size: 100%; // 确保背景图充满容器
    }

    .data_orgine {
      background: url('../assets/index/add.png') no-repeat;
      background-size: 100%; // 确保背景图充满容器
    }

    .data_red {
      background: url('../assets/index/device_yc.png') no-repeat;
      background-size: 100%; // 确保背景图充满容器
    }

    .number {
      padding-top:30px;
      font-size: 18px;

      span {
        font-size: 36px;
        font-weight: 700;
        margin-right: 5px;
      }
    }

    .title_number {
      margin-top: 5px;
      font-size: 16px;
    }
  }

  // 设备分类/快捷操作卡片样式
  .content-row {
    background-color: #fff;
    height: 215px;
    border-radius: 10px;
    padding: 15px 25px;
    margin-bottom: 20px;

    h2 {
      font-size: 18px;
      font-weight: 600;
      color: #333;
      margin: 0 0 15px 0;
    }

    .progress-item {
      text-align: center;

      .progress-text {
        font-size: 20px;
        color: #666;

        .current {
          font-weight: bold;
          color: #000;
          font-size: 23px;
        }
      }

      .progress-name {
        margin-top: 20px;
        font-size: 16px;
        color: #333;
      }
    }

    .quick-item {
      cursor: pointer;
      text-align: center;
      margin-top: 15px;

      .quick-img {
        width: 80px;
        height: 80px;
      }

      .card_title {
        margin-top: 20px;
        font-size: 16px;
        color: #333;
      }
    }
  }

  .tab-group {
    display: flex;
    gap: 12px;
    /* 两个标签的间距 */
    align-items: center;
    margin-top: 15px;
  }

  .tab-item {
    padding: 3px 10px;
    cursor: pointer;
    color: #666;
    /* 未选中时的文字颜色 */
    transition: all 0.2s ease;
    font-size: 13px;
  }

  .tab-item--active {
    border-color: #409eff;
    /* 选中时的边框颜色（示例用 Element UI 主色） */
    color: #409eff;
    /* 选中时的文字颜色 */
    background-color: rgba(64, 158, 255, 0.05);
    /* 可选：选中时的浅背景 */
    border: 1px solid rgba(2, 124, 251, 1);
    border-radius: 4px;
  }

  .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;

    h2 {
      font-size: 18px;
      font-weight: 600;
      color: #333;
      margin: 0;
    }
  }

  // 图表卡片样式
  .region-chart-card {
    background: #fff;
    border-radius: 10px;
    padding: 16px;
    height: 360px; // 固定图表卡片高度，避免布局错乱


    .card-body {
      height: calc(100% - 40px); // 卡片内容区高度（减去header高度）
    }

    // 图表容器通用样式（必须设置宽高，否则图表无法渲染）
    .chart-container {
      width: 100%;
      height: 250px;
    }
  }

  // 报警信息区域样式
  .alarm-overview {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;

    .alarm-stats {
      // width: 100%;
      display: flex;
      // flex-direction: column;
      gap: 15px;

      .stat-item {
        text-align: center;

        .stat {
          font-size: 18px;
          font-weight: bold;
        }

        .stat.red {
          color: #ff4d4f;
        }

        .stat.green {
          color: #07BE75;
        }

        .label {
          font-size: 12px;
          color: #666;
        }
      }
    }
  }

  .alarm-items {
    height: 100%;

    h3 {
      font-size: 16px;
      font-weight: 600;
      color: #333;
      margin: 0 0 10px 0;
    }
  }
}

// 响应式适配（小屏幕下调整布局）
@media (max-width: 1200px) {
  .home {
    .data-item {
      flex-wrap: wrap;
      gap: 15px;

      .data_bck,
      .data_green,
      .data_orgine,
      .data_red {
        width: calc(50% - 7.5px); // 小屏幕下2列布局
      }
    }

    .el-col {
      &:span-12 {
        width: 100%;
        margin-bottom: 20px;
      }
    }
  }

  // 新增媒体查询，处理更小屏幕尺寸
  @media (max-width: 768px) {
    .data-item {
      .data_bck,
      .data_green,
      .data_orgine,
      .data_red {
        width: 100%; // 在更小屏幕上，每个卡片占据一行
        margin-bottom: 20px;
      }
    }

    .content-row {
      height: auto; // 自动高度，避免固定高度导致内容溢出
      padding: 15px;

      h2 {
        font-size: 16px;
      }

      .progress-item,
      .quick-item {
        margin-top: 10px;
      }
    }

    .region-chart-card {
      height: auto; // 自动高度，避免固定高度导致内容溢出

      .card-body {
        height: auto;
      }

      .chart-container {
        height: 200px; // 减少图表高度，适应小屏幕
      }
    }

    .alarm-overview {
      .alarm-stats {
        flex-direction: column; // 报警统计项改为垂直排列
        gap: 10px;
      }
    }
  }

  // 针对超小屏幕尺寸的适配
  @media (max-width: 480px) {
    .data-item {
      .data_bck,
      .data_green,
      .data_orgine,
      .data_red {
        width: 100%; // 每个卡片占据一行
        margin-bottom: 15px;
      }
    }

    .content-row {
      padding: 10px;

      h2 {
        font-size: 14px;
      }

      .progress-item,
      .quick-item {
        margin-top: 5px;
      }
    }

    .region-chart-card {
      padding: 10px;

      .chart-container {
        height: 150px; // 进一步减少图表高度
      }
    }

    .alarm-overview {
      .alarm-stats {
        gap: 5px;
      }
    }
  }
}
</style>