<template>
  <div class="app-container">
    <el-row :gutter="10" class="mb8">
      <!-- <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          @click="handleSummary"
          :loading="loading"
          v-hasPermi="['warehouse:WmsImportResult:query']"
        >获取维修汇总</el-button>
      </el-col> -->
    </el-row>

    <el-table
      v-loading="loading"
      :data="repairSummaryList"
      element-loading-text="正在加载数据..."
      border
      stripe
      style="width: 100%"
    >
      <el-table-column prop="equipment_code" label="设备编号" align="center" width="120">
        <template #default="scope">
          <span class="equipment-code-link" @click="showRepairRecords(scope.row.equipment_code)">
            {{ scope.row.equipment_code }}
          </span>
        </template>
      </el-table-column>
      <el-table-column prop="equipment_name" label="设备名称" align="center" min-width="200" />
      <el-table-column prop="record_count" label="维修次数" align="center" width="100" />
      <el-table-column prop="first_apply_time" label="首次维修时间" align="center" min-width="180" />
      <el-table-column prop="last_apply_time" label="最近维修时间" align="center" min-width="180" />
      <el-table-column label="距离上次维修天数" align="center" width="150">
        <template #default="scope">
          <el-tag
            :type="getDaysTagType(scope.row.days_since_last_repair)"
            effect="dark"
          >
            {{ scope.row.days_since_last_repair }} 天
          </el-tag>
        </template>
      </el-table-column>
    </el-table>

    <!-- 设备维修记录对话框 -->
    <el-dialog
      v-model="repairRecordsDialogVisible"
      :title="`${selectedEquipmentCode} 维修记录`"
      width="90%"
      :before-close="handleRepairRecordsClose">
      <div class="repair-records-dialog-container">
        <!-- 左侧：数据展示区域 -->
        <div class="left-panel">
          <!-- 故障名称筛选 -->
          <div class="breakdown-filter-container">
            <span class="filter-label">故障名称：</span>
            <el-select 
              v-model="selectedBreakdownName" 
              placeholder="全部故障"
              clearable
              @change="filterRecordsByBreakdownName"
              @clear="filterRecordsByBreakdownName"
            >
              <el-option
                v-for="name in uniqueBreakdownNames"
                :key="name"
                :label="name"
                :value="name"
              />
            </el-select>
          </div>
          <div v-loading="repairRecordsLoading" class="repair-records-container">
            <div v-if="selectedRepairRecords.length > 0">
              <el-table
                :data="filteredRepairRecords"
                stripe
                border
                style="width: 100%"
                max-height="60vh">
                <el-table-column prop="id" label="维修编号" width="80" align="center" />
                <el-table-column prop="breakdown_name" label="故障名称" width="120" align="center" />
                <el-table-column prop="breakdown_description" label="故障描述" min-width="150" show-overflow-tooltip />
                <el-table-column prop="repair_method" label="维修方法" min-width="150" show-overflow-tooltip />
                <el-table-column prop="apply_time" label="报修时间" width="200" align="center">
                  <template #default="scope">
                    <span :class="{ 'recent': isRecent(scope.row.repair_time) }">
                      {{ scope.row.apply_time || '无' }}
                    </span>
                  </template>
                </el-table-column>
                <el-table-column prop="repair_time" label="维修时间" width="200" align="center">
                  <template #default="scope">
                    <span :class="{ 'recent': isRecent(scope.row.repair_time) }">
                      {{ scope.row.repair_time || '无' }}
                    </span>
                  </template>
                </el-table-column>
                <el-table-column label="维修时长" width="160" align="center">
                  <template #default="scope">
                    {{ calculateRepairDuration(scope.row.apply_time, scope.row.repair_time) }}
                  </template>
                </el-table-column>
              </el-table>
            </div>
            <div v-else-if="!repairRecordsLoading" class="no-records">
              暂无维修记录
            </div>
          </div>
        </div>
        
        <!-- 右侧：分析结果区域 -->
        <div class="right-panel">
          <!-- 分析按钮 -->
          <div class="analysis-button-container">
            <el-button 
              type="primary" 
              @click="analyzeRepairRecords"
              :loading="analyzing"
            >分析维修记录</el-button>
          </div>
          
          <!-- 分析结果显示区域 -->
          <div class="analysis-result-container">
            <el-input
              v-model="analysisResult"
              type="textarea"
              :rows="20"
              placeholder="点击分析维修记录按钮后，分析结果将显示在这里"
              readonly
            />
          </div>
        </div>
      </div>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="repairRecordsDialogVisible = false">关闭</el-button>
        </span>
      </template>
    </el-dialog>
  </div>
</template>

<script setup>
import { ref, onMounted, watch } from 'vue'
import { API_CONFIG } from "@/config/api"

// 接收父组件传递的props
const props = defineProps({
  selectedEquipmentType: {
    type: String,
    default: '漆包机'
  },
  dateRange: {
    type: Object,
    default: () => ({
      start_date: '',
      end_date: ''
    })
  }
})

const loading = ref(false)
const repairSummaryList = ref([])

// 维修记录对话框相关状态
const repairRecordsDialogVisible = ref(false)
const repairRecordsLoading = ref(false)
const selectedRepairRecords = ref([])
const filteredRepairRecords = ref([])
const selectedEquipmentCode = ref('')
const selectedBreakdownName = ref('')
const uniqueBreakdownNames = ref([])

// 分析相关状态
const analyzing = ref(false)
const analysisResult = ref('')

// 监听设备类型变化
watch(() => props.selectedEquipmentType, (newVal, oldVal) => {
  console.log('设备类型从', oldVal, '变化为', newVal);
  // 如果当前是维修汇总组件，则重新获取数据
  if (newVal) {
    handleSummary();
  }
});

// 监听日期范围变化
watch(() => props.dateRange, (newVal, oldVal) => {
  console.log('日期范围从', oldVal, '变化为', newVal);
  // 如果日期范围发生变化，则重新获取数据
  if (newVal && newVal.start_date && newVal.end_date) {
    handleSummary();
  }
}, { deep: true });

// 监听故障名称变化，确保筛选能正常工作
watch(selectedBreakdownName, (newVal, oldVal) => {
  console.log('故障名称从', oldVal, '变化为', newVal);
  // 当故障名称变化时，执行筛选
  filterRecordsByBreakdownName();
});

// 组件加载时自动获取数据
onMounted(() => {
  console.log('组件加载，设备类型:', props.selectedEquipmentType);
  handleSummary();
})

// 根据天数获取标签类型
const getDaysTagType = (days) => {
  if (days > 300) return 'danger'
  if (days > 180) return 'warning'
  if (days > 90) return 'success'
  return 'info'
}

// 获取维修汇总数据
function handleSummary() {
  console.log('设备类型:', props.selectedEquipmentType);
  console.log('日期范围:', props.dateRange);
  loading.value = true
  
  // 构建API URL，包含设备类型和日期范围参数
  let apiUrl = `${API_CONFIG.BASE_URL}/api/eq-repair/enamelling-repair-summary?equipment_type=${props.selectedEquipmentType}`;
  
  // 如果有日期范围，则添加到URL中
  if (props.dateRange && props.dateRange.start_date && props.dateRange.end_date) {
    apiUrl += `&start_date=${props.dateRange.start_date}&end_date=${props.dateRange.end_date}`;
  }
  
  fetch(apiUrl)
    .then(response => response.json())
    .then(data => {
      if (data.code === 200 && data.data) {
        repairSummaryList.value = data.data
      }
    })
    .catch(error => {
      console.error('维修汇总API调用失败:', error)
    })
    .finally(() => {
      loading.value = false
    })
}

// 显示设备维修记录
const showRepairRecords = (equipmentCode) => {
  selectedEquipmentCode.value = equipmentCode
  // 清空之前的分析结果
  analysisResult.value = ''
  repairRecordsDialogVisible.value = true
  fetchRepairRecords(equipmentCode)
}

// 获取设备维修记录
const fetchRepairRecords = (equipmentCode) => {
  repairRecordsLoading.value = true
  
  // 构建API URL
  let apiUrl = `${API_CONFIG.BASE_URL}/api/eq-repair/repair-records/${equipmentCode}`;
  
  fetch(apiUrl)
    .then(response => response.json())
    .then(data => {
      if (data.code === 200 && data.data) {
        selectedRepairRecords.value = data.data
        filteredRepairRecords.value = data.data
        
        // 提取所有唯一的故障名称
        const breakdownNames = [...new Set(data.data.map(record => record.breakdown_name).filter(Boolean))]
        uniqueBreakdownNames.value = breakdownNames
        
        // 确保筛选器初始化正确
        selectedBreakdownName.value = ''
        filteredRepairRecords.value = [...selectedRepairRecords.value]
      } else {
        selectedRepairRecords.value = []
        filteredRepairRecords.value = []
        uniqueBreakdownNames.value = []
      }
    })
    .catch(error => {
      console.error('维修记录API调用失败:', error)
      selectedRepairRecords.value = []
      filteredRepairRecords.value = []
      uniqueBreakdownNames.value = []
    })
    .finally(() => {
      repairRecordsLoading.value = false
    })
}

// 根据故障名称筛选维修记录
const filterRecordsByBreakdownName = (value) => {
  console.log('筛选故障名称:', value, 'selectedBreakdownName.value:', selectedBreakdownName.value)
  
  // 如果有传入的值，更新 selectedBreakdownName
  if (value !== undefined) {
    selectedBreakdownName.value = value
  }
  
  // 获取筛选值，处理空值情况
  const filterValue = selectedBreakdownName.value || ''
  
  if (!filterValue) {
    // 如果没有选择故障名称，显示所有记录
    filteredRepairRecords.value = [...selectedRepairRecords.value]
  } else {
    // 根据选择的故障名称筛选
    filteredRepairRecords.value = selectedRepairRecords.value.filter(
      record => record.breakdown_name === filterValue
    )
  }
  
  console.log('筛选后记录数:', filteredRepairRecords.value.length)
}

// 关闭维修记录对话框
const handleRepairRecordsClose = () => {
  repairRecordsDialogVisible.value = false
  // 清空分析结果
  analysisResult.value = ''
}

// 检查维修日期是否是最近的（30天内）
const isRecent = (repairDate) => {
  if (!repairDate) return false
  
  try {
    const repairDateObj = new Date(repairDate)
    const currentDate = new Date()
    const timeDiff = currentDate - repairDateObj
    const daysDiff = Math.ceil(timeDiff / (1000 * 3600 * 24))
    
    return daysDiff <= 30
  } catch (e) {
    return false
  }
}

// 计算维修时长
const calculateRepairDuration = (applyTime, repairTime) => {
  if (!applyTime || !repairTime) return '无'
  
  try {
    const applyDate = new Date(applyTime)
    const repairDate = new Date(repairTime)
    const timeDiff = repairDate - applyDate
    
    if (timeDiff < 0) return '无效时间'
    
    const hours = Math.floor(timeDiff / (1000 * 60 * 60))
    const minutes = Math.floor((timeDiff % (1000 * 60 * 60)) / (1000 * 60))
    
    if (hours > 24) {
      const days = Math.floor(hours / 24)
      const remainingHours = hours % 24
      return `${days}天${remainingHours}小时`
    } else if (hours > 0) {
      return `${hours}小时${minutes}分钟`
    } else {
      return `${minutes}分钟`
    }
  } catch (e) {
    return '计算错误'
  }
}

// 分析维修记录
const analyzeRepairRecords = () => {
  analyzing.value = true
  
  // 模拟分析过程
  setTimeout(() => {
    try {
      if (filteredRepairRecords.value.length === 0) {
        analysisResult.value = '暂无数据可供分析。'
        analyzing.value = false
        return
      }
      
      // 基本统计数据
      const totalRecords = filteredRepairRecords.value.length
      const breakdownStats = {}
      const repairMethods = {}
      const repairDurations = []
      const recentRecords = []
      const oldestRecords = []
      let totalRepairTime = 0
      let completedRepairs = 0
      
      // 统计各项数据
      filteredRepairRecords.value.forEach(record => {
        // 故障类型统计
        const breakdownName = record.breakdown_name || '未知故障'
        breakdownStats[breakdownName] = (breakdownStats[breakdownName] || 0) + 1
        
        // 维修方法统计
        const repairMethod = record.repair_method || '未知方法'
        repairMethods[repairMethod] = (repairMethods[repairMethod] || 0) + 1
        
        // 计算维修时长
        if (record.apply_time && record.repair_time) {
          const applyDate = new Date(record.apply_time)
          const repairDate = new Date(record.repair_time)
          if (!isNaN(applyDate.getTime()) && !isNaN(repairDate.getTime()) && repairDate > applyDate) {
            const duration = (repairDate - applyDate) / (1000 * 60 * 60) // 小时
            repairDurations.push(duration)
            totalRepairTime += duration
            completedRepairs++
          }
        }
      })
      
      // 分析结果
      let result = `=== 设备 ${selectedEquipmentCode.value} 维修记录分析报告 ===\n\n`
      
      // 1. 基本统计
      result += `【基本统计】\n`
      result += `- 总维修记录数：${totalRecords} 条\n`
      result += `- 完成维修数：${completedRepairs} 条\n`
      if (completedRepairs > 0) {
        const avgRepairTime = (totalRepairTime / completedRepairs).toFixed(2)
        result += `- 平均维修时长：${avgRepairTime} 小时\n`
      }
      result += `\n`
      
      // 2. 故障类型分析
      result += `【故障类型分析】\n`
      const sortedBreakdowns = Object.entries(breakdownStats).sort((a, b) => b[1] - a[1])
      sortedBreakdowns.forEach(([name, count]) => {
        const percentage = ((count / totalRecords) * 100).toFixed(1)
        result += `- ${name}：${count} 次 (${percentage}%)\n`
      })
      result += `\n`
      
      // 3. 维修方法分析
      result += `【维修方法分析】\n`
      const sortedMethods = Object.entries(repairMethods).sort((a, b) => b[1] - a[1])
      if (sortedMethods.length > 0) {
        sortedMethods.slice(0, 5).forEach(([method, count]) => {
          const percentage = ((count / totalRecords) * 100).toFixed(1)
          result += `- ${method}：${count} 次 (${percentage}%)\n`
        })
      } else {
        result += `- 暂无维修方法记录\n`
      }
      result += `\n`
      
      // 4. 维修效率分析
      if (repairDurations.length > 0) {
        result += `【维修效率分析】\n`
        repairDurations.sort((a, b) => a - b)
        const minTime = repairDurations[0].toFixed(2)
        const maxTime = repairDurations[repairDurations.length - 1].toFixed(2)
        const medianTime = repairDurations[Math.floor(repairDurations.length / 2)].toFixed(2)
        
        result += `- 最短维修时间：${minTime} 小时\n`
        result += `- 最长维修时间：${maxTime} 小时\n`
        result += `- 中位数维修时间：${medianTime} 小时\n`
        
        // 维修效率分类
        let fastRepairs = 0, normalRepairs = 0, slowRepairs = 0
        repairDurations.forEach(duration => {
          if (duration <= 2) fastRepairs++
          else if (duration <= 8) normalRepairs++
          else slowRepairs++
        })
        
        result += `- 快速维修（≤2小时）：${fastRepairs} 次 (${((fastRepairs / repairDurations.length) * 100).toFixed(1)}%)\n`
        result += `- 常规维修（2-8小时）：${normalRepairs} 次 (${((normalRepairs / repairDurations.length) * 100).toFixed(1)}%)\n`
        result += `- 耗时维修（>8小时）：${slowRepairs} 次 (${((slowRepairs / repairDurations.length) * 100).toFixed(1)}%)\n`
      } else {
        result += `【维修效率分析】\n`
        result += `- 暂无有效维修时间记录\n`
      }
      result += `\n`
      
      // 5. 建议和结论
      result += `【建议与结论】\n`
      
      // 根据最常见的故障类型给出建议
      if (sortedBreakdowns.length > 0) {
        const topBreakdown = sortedBreakdowns[0]
        const percentage = ((topBreakdown[1] / totalRecords) * 100).toFixed(1)
        result += `- 最常见的故障是"${topBreakdown[0]}"，占比${percentage}%，建议针对性加强预防措施\n`
      }
      
      // 根据维修效率给出建议
      if (repairDurations.length > 0) {
        const avgTime = totalRepairTime / completedRepairs
        if (avgTime > 8) {
          result += `- 平均维修时间较长，建议优化维修流程或增加维修人员\n`
        } else if (avgTime < 2) {
          result += `- 维修效率较高，维修团队表现良好\n`
        }
      }
      
      // 如果筛选了特定故障类型，给出针对性建议
      if (selectedBreakdownName.value) {
        const filteredCount = filteredRepairRecords.value.length
        const totalCount = selectedRepairRecords.value.length
        result += `- 针对"${selectedBreakdownName.value}"故障的专项分析：共${filteredCount}条记录，占总故障的${((filteredCount / totalCount) * 100).toFixed(1)}%\n`
      }
      
      analysisResult.value = result
    } catch (error) {
      console.error('分析过程中出错:', error)
      analysisResult.value = '分析过程中发生错误，请稍后重试。'
    } finally {
      analyzing.value = false
    }
  }, 1500) // 模拟分析过程耗时
}
</script>

<style scoped>
.app-container {
  padding: 20px;
}

.mb8 {
  margin-bottom: 8px;
}

/* 设备编号链接样式 */
.equipment-code-link {
  color: #409EFF;
  cursor: pointer;
  text-decoration: underline;
}

.equipment-code-link:hover {
  color: #66b1ff;
}

/* 故障名称筛选区域样式 */
.breakdown-filter-container {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
  padding: 0 10px;
}

.filter-label {
  margin-right: 10px;
  white-space: nowrap;
}

/* 维修记录对话框样式 */
.repair-records-container {
  padding: 10px 0;
}

.no-records {
  text-align: center;
  color: #909399;
  padding: 20px 0;
}

/* 最近维修记录高亮样式 */
.recent {
  color: #F56C6C;
  font-weight: bold;
}

/* 维修记录对话框左右布局样式 */
.repair-records-dialog-container {
  display: flex;
  height: 60vh;
}

.left-panel {
  flex: 3;
  padding-right: 15px;
  display: flex;
  flex-direction: column;
}

.right-panel {
  flex: 2;
  padding-left: 15px;
  border-left: 1px solid #ebeef5;
  display: flex;
  flex-direction: column;
}

.analysis-button-container {
  margin-bottom: 15px;
  text-align: right;
}

.analysis-result-container {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.analysis-result-container .el-textarea {
  flex: 1;
}

.analysis-result-container .el-textarea__inner {
  height: 100%;
  font-family: monospace;
  white-space: pre-wrap;
  word-break: break-word;
}
</style>