<template>
  <div class="app-container" ref="appContainer">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="产品名称" prop="productName">
        <el-input v-model="queryParams.productName" placeholder="请输入产品名称" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="产品规格" prop="spec">
        <el-input v-model="queryParams.spec" placeholder="请输入产品规格" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="产品型号" prop="model">
        <el-input v-model="queryParams.model" placeholder="请输入产品型号" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="Plus" @click="handleAdd">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="Edit" :disabled="single" @click="handleUpdate">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="Delete" :disabled="multiple" @click="handleDelete">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="Download" @click="handleExport">导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="productList" @selection-change="handleSelectionChange"
      @row-click="handleRowClick">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="产品ID 主键" align="center" prop="productId" v-if="false" />
      <el-table-column label="产品名称" align="center" prop="productName" />
      <el-table-column label="产品规格" align="center" prop="spec" />
      <el-table-column label="产品型号" align="center" prop="model" />
      <el-table-column label="产品单价" align="center" prop="unitPrice">
        <template #default="scope">
          {{ formatDecimal(scope.row.unitPrice) }}
        </template>
      </el-table-column>
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column label="产品图片" align="center" prop="productImages">
        <template #default="scope">
          <div v-if="scope.row.productImages" class="image-preview">
            <el-image
              v-for="(image, index) in scope.row.productImages.split(',')"
              :key="index"
              :src="image"
              :preview-src-list="scope.row.productImages.split(',')"
              style="width: 40px; height: 40px; margin-right: 8px;"
            />
          </div>
          <span v-else>无</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Plus" @click="handleBom(scope.row)">配方</el-button>
          <el-button link type="primary" icon="View" @click="handleDetail(scope.row)">详情</el-button>
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize" @pagination="getList" />

    <!-- 添加或修改产品基础信息对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="productRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="产品名称" prop="productName">
          <el-input v-model="form.productName" placeholder="请输入产品名称" />
        </el-form-item>
        <el-form-item label="产品规格" prop="spec">
          <el-input v-model="form.spec" placeholder="请输入产品规格" />
        </el-form-item>
        <el-form-item label="产品型号" prop="model">
          <el-input v-model="form.model" placeholder="请输入产品型号" />
        </el-form-item>
        <el-form-item label="产品单价" prop="unitPrice">
          <el-input v-model="form.unitPrice" placeholder="请输入产品单价" />
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" placeholder="请输入备注" />
        </el-form-item>
        <el-form-item label="产品图片" prop="productImages">
          <el-upload
            v-model:file-list="imageFileList"
            :action="uploadUrl"
            :headers="headers"
            :on-success="handleImageUploadSuccess"
            :on-remove="handleImageRemove"
            multiple
            list-type="picture"
            :limit="5"
            :before-upload="beforeUpload"
          >
            <el-button type="primary" icon="Upload">上传图片</el-button>
            <template #tip>
              <div class="el-upload__tip">
                最多上传5张图片，支持 JPG、PNG 格式
              </div>
            </template>
          </el-upload>
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>

    <el-dialog title="产品配方" v-model="bomOpen" width="800px" append-to-body>
      <bom :productId="currentProductId" @close="bomOpen = false" />
    </el-dialog>

    <!-- 将这个表格改为始终吸底，且外层容器可以拖拽调节高度 -->
    <!-- <StickyDragContainer v-if="currentProduct.productId" :parent-ref="appContainer"> -->
      <div v-if="currentProduct.productId">
        <h3>产品配料</h3>
        <!-- 插槽内容：原有配料表格，无需任何修改 -->
        <el-table :data="currentProduct.materials">
          <el-table-column label="配料名称" align="center" prop="materialName" />
          <el-table-column label="配料规格" align="center" prop="spec" />
          <el-table-column label="配料型号" align="center" prop="model" />
          <el-table-column label="厂家" align="center" prop="factory" />
          <el-table-column label="计量单位" align="center" prop="unit" />
          <el-table-column label="现存库存" align="center" prop="currentStock">
            <template #default="scope">
              {{ formatDecimal(scope.row.currentStock) }}
            </template>
          </el-table-column>
          <el-table-column label="备注" align="center" prop="remark" />
        </el-table>
      </div>
      <el-empty v-else description="选择产品查看配料信息" />

    <!-- </StickyDragContainer> -->

    <!-- 产品详情弹窗 -->
    <el-dialog :title="currentProductDetail.productName + ' - 产品详情'" v-model="detailOpen" width="900px" append-to-body>
      <!-- 产品信息和图片容器 -->
      <div class="product-header">
        <!-- 产品基本信息 -->
        <div class="product-info">
          <h3 class="section-title">产品信息</h3>
          <div class="info-content">
            <div class="info-row">
              <span class="label">品名：</span>
              <span class="value">{{ currentProductDetail.productName }}</span>
            </div>
            <div class="info-row">
              <span class="label">产品规格：</span>
              <span class="value">{{ currentProductDetail.spec }}</span>
            </div>
            <div class="info-row">
              <span class="label">产品型号：</span>
              <span class="value">{{ currentProductDetail.model }}</span>
            </div>
            <div class="info-row">
              <span class="label">产品单价：</span>
              <span class="value">{{ formatDecimal(currentProductDetail.unitPrice) }} 元</span>
            </div>
            <div class="info-row">
              <span class="label">备注：</span>
              <span class="value">{{ currentProductDetail.remark || '无' }}</span>
            </div>
          </div>
        </div>

        <!-- 产品图片 -->
        <div class="product-images" v-if="currentProductDetail.productImages">
          <h3 class="section-title">产品图片</h3>
          <div class="image-list">
            <el-image
              v-for="(image, index) in currentProductDetail.productImages.split(',')"
              :key="index"
              :src="image"
              :preview-src-list="currentProductDetail.productImages.split(',')"
              style="width: 150px; height: 150px; margin-right: 15px;"
            />
          </div>
        </div>
      </div>

      <!-- 材料明细 -->
      <div class="material-detail">
        <h3 class="section-title">材料明细</h3>
        
        <!-- 主材部分 -->
        <div class="material-category" v-if="rawMaterials.length > 0">
          <h4 class="category-title">主材</h4>
          <el-table v-loading="materialLoading" :data="rawMaterials" style="width: 100%" border>
            <el-table-column label="材料名称" width="150">
              <template #default="scope">
                <Raw :data="scope.row" :materialId="scope.row.materialId" />
              </template>
            </el-table-column>
            <el-table-column label="材料规格" width="200">
              <template #default="scope">
                {{ scope.row.material?.spec || '-' }}
              </template>
            </el-table-column>
            <el-table-column label="数量" width="100" align="center">
              <template #default="scope">
                {{ formatDecimal(scope.row.materialNum) }}
              </template>
            </el-table-column>
            <el-table-column label="价格" width="100" align="center">
              <template #default="scope">
                {{ formatDecimal(scope.row.material?.unitPrice || 0) }}
              </template>
            </el-table-column>
            <el-table-column label="备注" />
          </el-table>
        </div>

        <!-- 辅材部分 -->
        <div class="material-category" v-if="auxiliaryMaterials.length > 0">
          <h4 class="category-title">辅材</h4>
          <el-table v-loading="materialLoading" :data="auxiliaryMaterials" style="width: 100%" border>
            <el-table-column label="材料名称" width="150">
              <template #default="scope">
                <Raw :data="scope.row" :materialId="scope.row.materialId" />
              </template>
            </el-table-column>
            <el-table-column label="材料规格" width="200">
              <template #default="scope">
                {{ scope.row.material?.spec || '-' }}
              </template>
            </el-table-column>
            <el-table-column label="数量" width="100" align="center">
              <template #default="scope">
                {{ formatDecimal(scope.row.materialNum) }}
              </template>
            </el-table-column>
            <el-table-column label="价格" width="100" align="center">
              <template #default="scope">
                {{ formatDecimal(scope.row.material?.unitPrice || 0) }}
              </template>
            </el-table-column>
            <el-table-column label="备注" />
          </el-table>
        </div>

        <!-- 无数据提示 -->
        <div v-if="productMaterialRelationList.length === 0">
          <el-empty description="暂无配方数据" />
        </div>
      </div>

      <!-- 总计部分 -->
      <div class="total-section">
        <div class="total-item">
          <span class="total-label">产品总价：</span>
          <span class="total-value">{{ formatDecimal(currentProductDetail.unitPrice || 0) }} 元</span>
        </div>
      </div>
    </el-dialog>
  </div>
</template>

<script setup name="Product">
import { ref, computed } from 'vue';
import { listProduct, getProduct, delProduct, addProduct, updateProduct } from "@/api/mat/product";
import { listProductMaterialRelation } from "@/api/mat/productMaterialRelation";
import { getMaterial } from "@/api/mat/material";
import bom from "@/views/mat/components/bom.vue";
import StickyDragContainer from "@/components/StickyDragContainer/index.vue";
import Raw from '@/components/Renderer/Raw.vue';
import { formatDecimal } from '@/utils/gear';
import { getToken } from '@/utils/auth';

const bomOpen = ref(false);
const detailOpen = ref(false);
const currentProductDetail = ref({});

// 配方数据
const productMaterialRelationList = ref([]);
const materialLoading = ref(false);

// 计算总金额
const totalAmount = computed(() => {
  return productMaterialRelationList.value.reduce((sum, item) => {
    // 假设每个物料都有价格，实际项目中需要从物料数据中获取
    const price = item.material?.unitPrice || 0;
    const quantity = item.materialNum || 0;
    return sum + (price * quantity);
  }, 0);
});

// 分离原料和辅料
const rawMaterials = computed(() => {
  // 原料（主材）：materialType === 2
  return productMaterialRelationList.value.filter(item => {
    return item && item.material && item.material.materialType === 2;
  });
});

const auxiliaryMaterials = computed(() => {
  // 辅料：materialType === 1
  return productMaterialRelationList.value.filter(item => {
    return item && item.material && item.material.materialType === 1;
  });
});

// 计算原料总金额
const rawMaterialsTotal = computed(() => {
  return rawMaterials.value.reduce((sum, item) => {
    const price = item.material?.unitPrice || 0;
    const quantity = item.materialNum || 0;
    return sum + (price * quantity);
  }, 0);
});

// 计算辅料总金额
const auxiliaryMaterialsTotal = computed(() => {
  return auxiliaryMaterials.value.reduce((sum, item) => {
    const price = item.material?.unitPrice || 0;
    const quantity = item.materialNum || 0;
    return sum + (price * quantity);
  }, 0);
});

const { proxy } = getCurrentInstance();

const productList = ref([]);
const open = ref(false);
const buttonLoading = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");
const currentProductId = ref(null);
const currentProduct = ref({});
const appContainer = ref(null);
const imageFileList = ref([]);
const uploadUrl = ref(import.meta.env.VITE_APP_BASE_API + '/system/oss/upload');
const headers = ref({ Authorization: "Bearer " + getToken() });

const formatterTime = (time) => {
  return proxy.parseTime(time, '{y}-{m}-{d}')
}

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    productName: undefined,
    spec: undefined,
    model: undefined,
  },
  rules: {
  }
});

const { queryParams, form, rules } = toRefs(data);

/** 查询产品基础信息列表 */
function getList() {
  loading.value = true;
  listProduct(queryParams.value).then(response => {
    productList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

// 取消按钮
function cancel() {
  open.value = false;
  reset();
}

// 表单重置
function reset() {
  form.value = {
    productId: null,
    productName: null,
    spec: null,
    model: null,
    unitPrice: null,
    delFlag: null,
    createTime: null,
    createBy: null,
    updateTime: null,
    updateBy: null,
    remark: null,
    productImages: null
  };
  imageFileList.value = [];
  proxy.resetForm("productRef");
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  handleQuery();
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.productId);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
function handleAdd() {
  reset();
  open.value = true;
  title.value = "添加产品基础信息";
}

/** 修改按钮操作 */
function handleUpdate(row) {
  loading.value = true
  reset();
  const _productId = row.productId || ids.value
  getProduct(_productId).then(response => {
    loading.value = false;
    form.value = response.data;
    // 处理图片文件列表
    if (form.value.productImages) {
      imageFileList.value = form.value.productImages.split(',').map(url => ({
        name: url.substring(url.lastIndexOf('/') + 1),
        url: url
      }));
    }
    open.value = true;
    title.value = "修改产品基础信息";
  });
}

/** 图片上传成功处理 */
function handleImageUploadSuccess(response, uploadFile) {
  if (response.code === 200) {
    const imageUrl = response.data.url;
    if (form.value.productImages) {
      form.value.productImages += ',' + imageUrl;
    } else {
      form.value.productImages = imageUrl;
    }
  } else {
    proxy.$modal.msgError('上传失败：' + response.msg);
  }
}

/** 图片移除处理 */
function handleImageRemove(uploadFile, uploadFiles) {
  const imageUrl = uploadFile.url;
  if (form.value.productImages) {
    const images = form.value.productImages.split(',');
    const index = images.indexOf(imageUrl);
    if (index > -1) {
      images.splice(index, 1);
      form.value.productImages = images.join(',');
    }
  }
}

/** 图片上传前校验 */
function beforeUpload(file) {
  const isJpgOrPng = file.type === 'image/jpeg' || file.type === 'image/png';
  const isLt2M = file.size / 1024 / 1024 < 2;
  if (!isJpgOrPng) {
    proxy.$modal.msgError('只能上传 JPG/PNG 格式的图片');
    return false;
  }
  if (!isLt2M) {
    proxy.$modal.msgError('图片大小不能超过 2MB');
    return false;
  }
  return true;
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["productRef"].validate(valid => {
    if (valid) {
      buttonLoading.value = true;
      if (form.value.productId != null) {
        updateProduct(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        }).finally(() => {
          buttonLoading.value = false;
        });
      } else {
        addProduct(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        }).finally(() => {
          buttonLoading.value = false;
        });
      }
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _productIds = row.productId || ids.value;
  proxy.$modal.confirm('是否确认删除产品基础信息编号为"' + _productIds + '"的数据项？').then(function () {
    loading.value = true;
    return delProduct(_productIds);
  }).then(() => {
    loading.value = true;
    getList();
    proxy.$modal.msgSuccess("删除成功");
  }).catch(() => {
  }).finally(() => {
    loading.value = false;
  });
}

function handleBom(row) {
  bomOpen.value = true;
  currentProductId.value = row.productId;
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('mat/product/export', {
    ...queryParams.value
  }, `product_${new Date().getTime()}.xlsx`)
}

function handleRowClick(row) {
  currentProduct.value = row;
}

function handleDetail(row) {
  loading.value = true;
  materialLoading.value = true;
  // 获取产品详情
  getProduct(row.productId).then(response => {
    currentProductDetail.value = response.data;
    // 获取配方数据
    return listProductMaterialRelation({ productId: row.productId });
  }).then(response => {
    const relations = response.rows;
    // 为每个配方项获取物料详细信息，包括物料类型
    const promises = relations.map(item => {
      return getMaterial(item.materialId).then(materialResponse => {
        item.material = materialResponse.data;
        return item;
      });
    });
    return Promise.all(promises);
  }).then(relationsWithMaterial => {
    productMaterialRelationList.value = relationsWithMaterial;
    detailOpen.value = true;
  }).catch(error => {
    console.error('获取数据失败:', error);
  }).finally(() => {
    loading.value = false;
    materialLoading.value = false;
  });
}

getList();
</script>

<style scoped>
/* 产品信息和图片容器 */
.product-header {
  display: flex;
  margin: 20px 0;
  gap: 30px;
}

/* 产品图片部分 */
.product-images {
  flex-shrink: 0;
  width: 200px;
}

.image-list {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 10px;
}

/* 产品信息部分 */
.product-info {
  flex: 1;
}

.section-title {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 15px;
  padding-bottom: 8px;
  border-bottom: 2px solid #409eff;
  color: #303133;
}

.info-content {
  padding: 10px 0;
}

.info-row {
  margin-bottom: 10px;
  line-height: 1.5;
}

.label {
  font-weight: bold;
  margin-right: 15px;
  width: 100px;
  display: inline-block;
  color: #606266;
}

.value {
  color: #303133;
}

/* 材料明细部分 */
.material-detail {
  margin: 20px 0;
}

.material-category {
  margin-bottom: 20px;
}

.category-title {
  font-size: 14px;
  font-weight: bold;
  margin-bottom: 10px;
  padding: 8px 15px;
  background-color: #ecf5ff;
  color: #409eff;
  border-left: 4px solid #409eff;
}

/* 总计部分 */
.total-section {
  margin-top: 30px;
  padding: 20px;
  background-color: #f0f9eb;
  border: 1px solid #b7eb8f;
  border-radius: 4px;
}

.total-item {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 20px;
}

.total-label {
  font-size: 18px;
  font-weight: bold;
  color: #606266;
}

.total-value {
  font-size: 24px;
  font-weight: bold;
  color: #f56c6c;
}

/* 表格样式 */
:deep(.el-table th) {
  background-color: #f5f7fa;
  font-weight: bold;
  color: #606266;
}

:deep(.el-table tr:hover) {
  background-color: #ecf5ff;
}

:deep(.el-table td) {
  vertical-align: middle;
}
</style>
