<template>
  <div class="order-audit-container">
    <PageTitle title="审核订单" />

    <!-- 主Tab切换 -->
    <StatusTabs v-model="activeMainTab" :tabs="mainTabs" type="line" @change="handleMainTabChange" />

    <!-- 状态Tab切换 -->
    <StatusTabs v-model="activeStatusTab" :tabs="currentStatusTabs" type="pill" @change="handleStatusTabChange" />

    <!-- 搜索栏 -->
    <div class="search-bar">
      <el-input v-model="queryParams.keyword" placeholder="搜索" style="width: 240px" clearable>
        <template #prefix>
          <el-icon><Search /></el-icon>
        </template>
      </el-input>
      <div style="width: 240px">
        <el-date-picker
          v-model="queryParams.dateRange"
          type="daterange"
          range-separator="—"
          start-placeholder="开始日期"
          end-placeholder="结束日期"
          style="width: 240px"
        />
      </div>

      <el-tree-select
        v-model="queryParams.department"
        style="width: 240px"
        :data="deptList"
        :props="{ value: 'deptId', label: 'deptName', children: 'children' }"
        value-key="deptId"
        placeholder="下单部门"
        check-strictly
        :render-after-expand="false"
        clearable
      >
      </el-tree-select>
    </div>

    <!-- 订单列表 -->
    <div class="order-list">
      <div v-for="(order, orderIndex) in orderList" :key="orderIndex" class="order-card">
        <div class="order-header">
          <el-checkbox v-model="order.checked" />
          <span class="order-time">{{ order.orderTime }}</span>
          <span class="order-info">订单号：{{ order.orderNo }}</span>
          <el-button type="primary" link class="detail-btn" @click="handleViewDetail(order)">
            订单详情 <el-icon><ArrowRight /></el-icon>
          </el-button>
        </div>

        <div class="product-list">
          <div class="product-row">
            <div class="product-cell product-info-cell">
              <template v-if="order.products && order.products.length > 0">
                <div class="product-image">
                  <el-image :src="order.products[0].image" fit="contain">
                    <template #error>
                      <div class="image-placeholder">
                        <el-icon :size="30" color="#ccc"><Picture /></el-icon>
                      </div>
                    </template>
                  </el-image>
                </div>
                <div class="product-detail">
                  <div class="product-name">{{ order.products[0].name }}</div>
                  <div class="product-spec">{{ order.products[0].spec1 }} {{ order.products[0].spec2 }}</div>
                  <div class="product-price">¥{{ order.products[0].price }}</div>
                </div>
                <div class="product-quantity">x{{ order.products[0].quantity }}</div>
              </template>
              <template v-else>
                <div class="product-image">
                  <div class="image-placeholder">
                    <el-icon :size="30" color="#ccc"><Picture /></el-icon>
                  </div>
                </div>
                <div class="product-detail">
                  <div class="product-name">暂无商品信息</div>
                </div>
              </template>
            </div>
            <div class="product-cell amount-cell">
              <div class="amount-info">
                <span class="label">支付款:</span>
                <span class="value highlight">¥{{ order.payableAmount }}</span>
              </div>
              <div class="amount-info">
                <span class="label">{{ order.payMethod }}</span>
              </div>
            </div>
            <div class="product-cell status-cell">
              <span :class="['status-text', getStatusClass(order.checkStatus)]">{{ getStatusText(order.checkStatus) }}</span>
              <!-- <el-button type="primary" link size="small">查看订单轨迹</el-button> -->
              <template v-if="order.checkStatus !== '0' && activeMainTab === 'myAudit'">
                <!-- <el-button type="primary" link size="small">查看审批流</el-button> -->
              </template>
              <template v-if="activeMainTab === 'myApply'">
                <span v-if="order.checkStatus === '1'" class="result-text success">审批通过</span>
                <span v-else-if="order.checkStatus === '2'" class="result-text danger">审批驳回</span>
                <!-- <el-button type="primary" link size="small">查看审批流</el-button> -->
              </template>
              <el-button v-if="order.fileCount" type="primary" link size="small"> 审核文件({{ order.fileCount }}) </el-button>
            </div>
            <div class="product-cell action-cell">
              <template v-if="activeMainTab === 'myAudit' && order.checkStatus === '0'">
                <el-button type="success" link size="small" @click="handleApprove(order)">同意</el-button>
                <el-button type="danger" link size="small" @click="handleReject(order)">拒绝</el-button>
              </template>
              <template v-if="activeMainTab === 'myApply' && order.checkStatus === '0'">
                <el-button type="primary" link size="small" @click="handleCancelApply(order)">取消申请</el-button>
              </template>
            </div>
          </div>
        </div>
      </div>
      <el-empty v-if="orderList.length === 0" description="暂无审核订单" />
    </div>

    <!-- 分页 -->
    <div class="pagination-container">
      <el-pagination
        v-model:current-page="pageNum"
        v-model:page-size="pageSize"
        :total="displayTotal"
        :page-sizes="[10, 20, 50, 100]"
        layout="total, sizes, prev, pager, next, jumper"
        @size-change="handleSizeChange"
        @current-change="handlePageChange"
      />
    </div>

    <!-- 审批弹窗 -->
    <el-dialog v-model="auditDialogVisible" :title="auditDialogTitle" width="450px">
      <el-form ref="auditFormRef" :model="auditForm" :rules="auditRules" label-width="80px">
        <el-form-item label="审批意见" prop="opinion">
          <el-input v-model="auditForm.opinion" type="textarea" :rows="4" placeholder="请输入审批意见" />
        </el-form-item>
      </el-form>
      <template #footer>
        <el-button @click="auditDialogVisible = false">取消</el-button>
        <el-button type="danger" @click="handleSubmitAudit">确定</el-button>
      </template>
    </el-dialog>
  </div>
</template>

<script setup lang="ts">
import { ref, reactive, computed, onMounted } from 'vue';
import { useRouter } from 'vue-router';
import { Search, Document, User, ArrowRight, Picture } from '@element-plus/icons-vue';
import { ElMessage, ElMessageBox } from 'element-plus';
import { PageTitle, StatusTabs } from '@/components';
import { getDeptTree } from '@/api/pc/organization';
import { DeptInfo } from '@/api/pc/organization/types';
import { getOrderList, getOrderProducts, checkOrderStatus } from '@/api/pc/enterprise/order';
const { proxy } = getCurrentInstance() as ComponentInternalInstance;
const { complaints_suggestion_type } = toRefs<any>(proxy?.useDict('complaints_suggestion_type'));

const router = useRouter();

const activeMainTab = ref('myAudit');
const activeStatusTab = ref('all');
const auditDialogVisible = ref(false);
const auditDialogTitle = ref('审批');
const auditFormRef = ref();
const currentAuditOrder = ref<any>(null);
const currentAuditAction = ref('');
const loading = ref(false);
const allOrders = ref<any[]>([]);
const pageNum = ref(1);
const pageSize = ref(5);
const total = ref(0);

const deptList = ref([]);

const mainTabs = [
  { key: 'myAudit', label: '我审批的', icon: Document }
  // { key: 'myApply', label: '我申请的', icon: User }

  // { key: 'myAudit', label: '待审批', icon: Document },
  // { key: 'myApply', label: '已审批', icon: User }
];

const auditStatusTabs = [
  { key: 'all', label: '全部订单' },
  { key: 'pending', label: '待审批' },
  { key: 'approved', label: '已通过' },
  { key: 'rejected', label: '已驳回' }
];

const applyStatusTabs = [
  { key: 'all', label: '全部订单' },
  { key: 'pending', label: '审批中' },
  { key: 'approved', label: '审批通过' },
  { key: 'rejected', label: '审批驳回' },
  { key: 'cancelled', label: '审批取消' }
];

const currentStatusTabs = computed(() => {
  return activeMainTab.value === 'myAudit' ? auditStatusTabs : applyStatusTabs;
});

const queryParams = reactive({
  keyword: '',
  dateRange: null,
  department: '',
  filter1: ''
});

const checkOrderData = reactive({
  orderId: undefined,
  checkStatus: '',
  checkRemark: ''
});

const auditForm = reactive({ opinion: '' });
const auditRules = { opinion: [{ required: true, message: '请输入审批意见', trigger: 'blur' }] };

// 加载订单列表数据
const loadOrderList = async () => {
  try {
    loading.value = true;

    // 根据状态tab设置checkStatus参数
    const params: any = {
      pageNum: pageNum.value,
      pageSize: pageSize.value
    };

    // 根据不同状态设置checkStatus参数
    if (activeStatusTab.value === 'pending') {
      params.checkStatus = '0';
    } else if (activeStatusTab.value === 'approved') {
      params.checkStatus = '1';
    } else if (activeStatusTab.value === 'rejected') {
      params.checkStatus = '2';
    }

    const res = await getOrderList(params);
    if (res.code === 200 && res.rows) {
      allOrders.value = res.rows.map((item: any) => ({
        id: item.id,
        orderTime: item.createTime,
        orderNo: item.orderNo,
        payableAmount: item.payableAmount,
        payMethod: item.payMethod,
        checkStatus: item.checkStatus,
        fileCount: 0,
        checked: false,
        products: []
      }));
      total.value = res.total || 0;

      // 获取所有订单的商品信息
      if (allOrders.value.length > 0) {
        const orderIds = allOrders.value.map((order) => order.id);
        const productsRes = await getOrderProducts(orderIds);
        if (productsRes.code === 200 && productsRes.rows) {
          // 将商品信息按订单ID分组
          const productsByOrderId = new Map();
          productsRes.rows.forEach((p: any) => {
            if (!productsByOrderId.has(p.orderId)) {
              productsByOrderId.set(p.orderId, []);
            }
            productsByOrderId.get(p.orderId).push({
              image: p.productImage || '',
              name: p.productName || '',
              spec1: p.productUnit || '',
              spec2: p.productNo || '',
              price: p.orderPrice || 0,
              quantity: p.orderQuantity || 0
            });
          });
          // 将商品信息赋值给对应的订单
          allOrders.value.forEach((order) => {
            order.products = productsByOrderId.get(order.id) || [];
          });
        }
      }
    }
  } catch (error) {
    console.error('加载订单列表失败:', error);
    ElMessage.error('加载订单列表失败');
  } finally {
    loading.value = false;
  }
};

// 加载部门树
const loadDeptTree = async () => {
  try {
    const res = await getDeptTree();
    if (res.code === 200 && res.data) {
      deptList.value = res.data;

      if (Array.isArray(res.data)) {
        const treeData = proxy?.handleTree<DeptInfo>(res.data, 'deptId', 'parentId');
        deptList.value = treeData || res.data;
      } else {
        deptList.value = [];
      }
    }
  } catch (error) {
    console.error('获取部门树失败:', error);
    ElMessage.error('获取部门树失败');
  }
};

// 每页条数变化
const handleSizeChange = () => {
  pageNum.value = 1;
  loadOrderList();
};

// 页码变化
const handlePageChange = () => {
  loadOrderList();
};

const orderList = computed(() => {
  // 所有状态都由后端过滤，前端直接返回数据
  return allOrders.value;
});

// 使用后端返回的总数
const displayTotal = computed(() => {
  return total.value;
});

const handleMainTabChange = () => {
  activeStatusTab.value = 'all';
  pageNum.value = 1;
  loadOrderList();
};

// 状态 tab 切换
const handleStatusTabChange = () => {
  pageNum.value = 1;
  loadOrderList();
};

onMounted(() => {
  loadDeptTree();
  loadOrderList();
});

const getStatusText = (checkStatus: string) => {
  const map: Record<string, string> = {
    '0': '待审批',
    '1': '审批通过',
    '2': '审批驳回'
  };
  return map[checkStatus] || checkStatus;
};

const getStatusClass = (checkStatus: string) => {
  if (checkStatus === '1') return 'success';
  return 'warning';
};

const handleViewDetail = (order: any) => {
  router.push(`/order/orderManage/detail?orderId=${order.id}`);
};

const handleApprove = (order: any) => {
  currentAuditOrder.value = order;
  checkOrderData.orderId = order.id;
  currentAuditAction.value = 'approve';
  auditDialogTitle.value = '审批通过';
  auditForm.opinion = '';
  auditDialogVisible.value = true;
};

const handleReject = (order: any) => {
  currentAuditOrder.value = order;
  checkOrderData.orderId = order.id;
  currentAuditAction.value = 'reject';
  auditDialogTitle.value = '审批拒绝';
  auditForm.opinion = '';
  auditDialogVisible.value = true;
};

const handleCancelApply = (order: any) => {
  ElMessageBox.confirm('确定要取消该申请吗？', '提示', {
    confirmButtonText: '确定',
    cancelButtonText: '取消',
    type: 'warning'
  })
    .then(() => {
      order.auditStatus = 'cancelled';
      ElMessage.success('已取消申请');
    })
    .catch(() => {});
};

const handleSubmitAudit = async () => {
  const valid = await auditFormRef.value?.validate();
  if (!valid) return;

  try {
    const checkStatus = currentAuditAction.value === 'approve' ? '1' : '2';
    checkOrderData.checkStatus = checkStatus;
    checkOrderData.checkRemark = auditForm.opinion;
    await checkOrderStatus(checkOrderData);

    ElMessage.success(currentAuditAction.value === 'approve' ? '审批通过' : '已拒绝');
    auditDialogVisible.value = false;
    loadOrderList();
  } catch (error) {
    console.error('审批失败:', error);
    ElMessage.error('审批失败，请重试');
  }
};
</script>

<style scoped lang="scss">
.order-audit-container {
  padding: 20px;
  background: #fff;
  min-height: 100%;
  width: 100%;
}

.search-bar {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;

  .filter-label {
    font-size: 14px;
    color: #666;
  }
}

.order-list {
  .order-card {
    border: 1px solid #eee;
    border-radius: 4px;
    margin-bottom: 15px;
    overflow: hidden;

    .order-header {
      display: flex;
      align-items: center;
      gap: 15px;
      padding: 12px 15px;
      background: #f9f9f9;
      border-bottom: 1px solid #eee;
      font-size: 13px;
      color: #666;

      .order-time {
        color: #333;
      }
      .detail-btn {
        margin-left: auto;
      }
    }

    .product-list {
      .product-row {
        display: flex;
      }

      .product-cell {
        padding: 15px;
        display: flex;
        align-items: center;

        // flex-direction: column;
        justify-content: center;
      }

      .product-info-cell {
        flex: 1;
        flex-direction: row;
        align-items: center;
        gap: 15px;

        .product-image {
          width: 80px;
          height: 80px;
          background: #f5f5f5;
          border-radius: 4px;
          overflow: hidden;
          flex-shrink: 0;

          .el-image {
            width: 100%;
            height: 100%;
          }
          .image-placeholder {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
          }
        }

        .product-detail {
          flex: 1;
          .product-name {
            font-size: 14px;
            color: #333;
            margin-bottom: 5px;
            line-height: 1.4;
          }
          .product-spec {
            font-size: 12px;
            color: #999;
            margin-bottom: 5px;
          }
          .product-price {
            font-size: 16px;
            font-weight: bold;
            color: #e60012;
          }
        }

        .product-quantity {
          font-size: 13px;
          color: #666;
        }
      }

      .amount-cell {
        width: 150px;
        border-left: 1px solid #f5f5f5;

        .amount-info {
          margin-bottom: 5px;
          .label {
            font-size: 12px;
            color: #999;
            margin-right: 5px;
          }
          .value {
            font-size: 14px;
            color: #333;
            &.highlight {
              font-size: 16px;
              font-weight: bold;
              color: #e60012;
            }
          }
        }
      }

      .status-cell {
        width: 140px;
        border-left: 1px solid #f5f5f5;
        // align-items: flex-start;
        gap: 5px;

        .status-text {
          font-size: 13px;
          font-weight: 500;
          &.success {
            color: #67c23a;
          }
          &.warning {
            color: #e6a23c;
          }
        }
        .result-text {
          font-size: 13px;
          font-weight: 500;
          &.success {
            color: #e60012;
          }
          &.danger {
            color: #e60012;
          }
        }
      }

      .action-cell {
        width: 100px;
        border-left: 1px solid #f5f5f5;
        // align-items: flex-start;
        // gap: 5px;
      }
    }
  }
}
</style>
