<template>
  <div class="app-container">
    <div class="filter-container">
      <el-input
          v-model="listQuery.keyword"
          placeholder="请输入关键词"
          style="width: 250px;"
          class="filter-item"
          clearable
          @input="debouncedSearch"
          @clear="handleClearSearch"
      >
        <template #prepend>
          <el-select v-model="listQuery.search_type" placeholder="搜索类型" style="width: 110px" @change="debouncedSearch">
            <el-option label="全部" value="all" />
            <el-option label="单号" value="no" />
            <el-option label="姓名" value="name" />
            <el-option label="SKU" value="sku" />
            <el-option label="物料名称" value="material_name" />
            <el-option label="规格型号" value="spec_model" />
          </el-select>
        </template>
      </el-input>
      <el-date-picker
          v-model="listQuery.dateRange"
          type="daterange"
          range-separator="至"
          start-placeholder="开始日期"
          end-placeholder="结束日期"
          class="filter-item"
          style="margin-left: 10px;"
          value-format="YYYY-MM-DD"
      />
      <el-button type="primary" class="filter-item" style="margin-left: 10px;" @click="fetchData">查询</el-button>
      <el-button v-if="userStore.hasPermission('outbound_create:operation')" type="success" class="filter-item" @click="$router.push('/outbound/create')">新建出库</el-button>
    </div>

    <el-table
        :data="list"
        v-loading="loading"
        border
        style="width: 100%; margin-top: 20px;"
        :header-cell-style="{ background: '#f5f7fa', color: '#606266' }"
    >
      <el-table-column type="expand">
        <template #default="props">
          <div style="padding: 10px 40px; background: #fafafa;">
            <h4 style="margin: 0 0 10px 0; color: #409EFF;">商品明细 (按单价降序)</h4>
            <el-table :data="props.row.items" border size="small">
              <el-table-column v-if="hasColumnPermission('sku')" prop="sku" label="SKU" width="150" />

              <el-table-column v-if="hasColumnPermission('name')" prop="name" label="名称" min-width="150" show-overflow-tooltip />
              <el-table-column v-if="hasColumnPermission('material_type')" prop="material_type" label="类型" width="120" show-overflow-tooltip />
              <el-table-column v-if="hasColumnPermission('category')" prop="category" label="类别" width="120" show-overflow-tooltip />
              <el-table-column v-if="hasColumnPermission('spec_model')" prop="spec_model" label="规格型号" min-width="150" show-overflow-tooltip />

              <el-table-column v-if="hasColumnPermission('quantity')" prop="quantity" label="数量" width="100" />
              <el-table-column v-if="hasColumnPermission('unit_price')" prop="unit_price" label="单价" width="120">
                <template #default="{row}">¥{{ row.unit_price }}</template>
              </el-table-column>
              <el-table-column v-if="hasColumnPermission('subtotal')" prop="subtotal" label="小计">
                <template #default="{row}">
                  <span style="color: #F56C6C; font-weight: bold;">¥{{ row.subtotal.toFixed(2) }}</span>
                </template>
              </el-table-column>
            </el-table>
          </div>
        </template>
      </el-table-column>

      <el-table-column v-if="hasColumnPermission('outbound_no')" prop="outbound_no" label="出库单号" min-width="200" show-overflow-tooltip />

      <el-table-column v-if="hasColumnPermission('outbound_time')" prop="outbound_time" label="出库时间" width="170" align="center">
        <template #default="{ row }">
          <span>{{ row.outbound_time ? row.outbound_time.substring(0, 16) : '' }}</span>
        </template>
      </el-table-column>

      <el-table-column v-if="hasColumnPermission('outbound_type')" prop="outbound_type" label="类型" width="100" align="center">
        <template #default="{ row }">
          <el-tag :type="getTagType(row.outbound_type)">{{ formatType(row.outbound_type) }}</el-tag>
        </template>
      </el-table-column>

      <el-table-column v-if="hasColumnPermission('total_amount')" prop="total_amount" label="总金额" width="120" align="right">
        <template #default="{ row }">
          <span style="color: #F56C6C; font-weight: bold; font-size: 15px;">¥{{ row.total_amount }}</span>
        </template>
      </el-table-column>

      <el-table-column v-if="hasColumnPermission('consumer_name')" prop="consumer_name" label="领用/客户" min-width="120" show-overflow-tooltip />

      <el-table-column v-if="hasColumnPermission('operator_name')" prop="operator_name" label="操作员" min-width="100" show-overflow-tooltip />

      <el-table-column v-if="hasColumnPermission('remark')" prop="remark" label="备注" min-width="150" show-overflow-tooltip />

      <el-table-column v-if="hasColumnPermission('signature_path')" label="签名" width="120" align="center">
        <template #default="{ row }">
          <div v-if="row.signature_path" class="signature-cell">
            <el-image
                style="width: 80px; height: 40px; border-radius: 4px; border: 1px solid #dcdfe6;"
                :src="row.signature_path"
                :preview-src-list="[row.signature_path]"
                preview-teleported
                fit="contain"
                hide-on-click-modal
            >
              <template #error>
                <div class="image-slot">
                  <el-icon><Picture /></el-icon>
                </div>
              </template>
            </el-image>
          </div>
          <span v-else style="color: #909399; font-size: 12px;">未签名</span>
        </template>
      </el-table-column>
    </el-table>

    <div style="margin-top: 20px; text-align: right;">
      <el-pagination
          background
          layout="prev, pager, next"
          :total="total"
          :page-size="listQuery.limit"
          @current-change="handlePageChange"
      />
    </div>
  </div>
</template>

<script setup lang="ts">
import { ref, onMounted, reactive, onBeforeUnmount } from 'vue'
import { getOutboundList } from '@/api/outbound'
import { Picture } from '@element-plus/icons-vue'
import { useUserStore } from '@/stores/user'

const userStore = useUserStore()

// 防抖定时器
let debounceTimer: ReturnType<typeof setTimeout> | null = null

// 防抖搜索函数
const debouncedSearch = () => {
  if (debounceTimer) {
    clearTimeout(debounceTimer)
  }
  debounceTimer = setTimeout(() => {
    listQuery.page = 1
    fetchData()
  }, 500)
}

// 清空搜索时立即触发查询
const handleClearSearch = () => {
  if (debounceTimer) {
    clearTimeout(debounceTimer)
  }
  listQuery.page = 1
  fetchData()
}

// 列与权限Code的映射关系（数据库中的code）
const permissionMap: Record<string, string> = {
  outbound_no: 'outbound_list:outbound_no',
  outbound_time: 'outbound_list:outbound_time',
  outbound_type: 'outbound_list:outbound_type',
  total_amount: 'outbound_list:total_amount',
  consumer_name: 'outbound_list:consumer_name',
  operator_name: 'outbound_list:operator_name',
  remark: 'outbound_list:remark',
  signature_path: 'outbound_list:signature_path',
  // 明细列
  sku: 'outbound_list:sku',
  name: 'outbound_list:name',
  material_type: 'outbound_list:material_type',
  category: 'outbound_list:category',
  spec_model: 'outbound_list:spec_model',
  quantity: 'outbound_list:quantity',
  unit_price: 'outbound_list:unit_price',
  subtotal: 'outbound_list:subtotal',
}

// 检查列权限
const hasColumnPermission = (prop: string) => {
  if (userStore.role === 'SUPER_ADMIN' || userStore.username === 'IRIS') {
    return true
  }
  const code = permissionMap[prop]
  return code ? userStore.hasPermission(code) : false
}

const list = ref([])
const total = ref(0)
const loading = ref(false)

const listQuery = reactive({
  page: 1,
  limit: 10,
  keyword: '',
  search_type: 'all',
  dateRange: []
})

const fetchData = async () => {
  loading.value = true
  try {
    const params = {
      ...listQuery,
      start_date: listQuery.dateRange && listQuery.dateRange[0] ? listQuery.dateRange[0] : null,
      end_date: listQuery.dateRange && listQuery.dateRange[1] ? listQuery.dateRange[1] : null
    }

    const res = await getOutboundList(params)
    list.value = res.data.items || []
    total.value = res.data.total || 0
  } catch (e) {
    console.error(e)
  } finally {
    loading.value = false
  }
}

const handlePageChange = (val: number) => {
  listQuery.page = val
  fetchData()
}

const formatType = (type: string) => {
  const map: any = {
    'SALES': '销售出库',
    'USE': '内部领用',
    'PRODUCTION': '生产出库',
    'SCRAP': '报废'
  }
  return map[type] || type
}

const getTagType = (type: string) => {
  const map: any = {
    'SALES': 'success',
    'USE': 'warning',
    'PRODUCTION': 'info',
    'SCRAP': 'danger'
  }
  return map[type] || ''
}

onMounted(() => {
  fetchData()
})

// 组件销毁前清理定时器，防止内存泄漏
onBeforeUnmount(() => {
  if (debounceTimer) {
    clearTimeout(debounceTimer)
    debounceTimer = null
  }
})
</script>

<style scoped>
.signature-cell {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2px 0;
}
.image-slot {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  background: #f5f7fa;
  color: #909399;
}
</style>
