<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 && scope.row.productImages.trim()" 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(',')"
              :z-index="9999"
              :preview-teleported="true"
              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="Setting" @click="handleAddition(scope.row)">附加属性</el-button>
          <el-button link type="primary" @click="handleLabor(scope.row)">工价</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-item label="产品说明书" prop="productPdfs">
          <el-upload
            v-model:file-list="pdfFileList"
            :action="uploadUrl"
            :headers="headers"
            :on-success="handlePdfUploadSuccess"
            :on-remove="handlePdfRemove"
            multiple
            :limit="5"
            :before-upload="beforePdfUpload"
          >
            <el-button type="primary" icon="Upload">上传说明书</el-button>
            <template #tip>
              <div class="el-upload__tip">
                最多上传5个PDF文件，支持 PDF 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>

    <!-- 产品附加属性对话框 -->
    <el-dialog title="产品附加属性" v-model="additionOpen" width="600px" append-to-body>
      <div class="addition-container">
        <el-button type="primary" icon="Plus" @click="addAdditionItem" style="margin-bottom: 10px">添加属性</el-button>
        <el-table :data="additionList" style="width: 100%" border>
          <el-table-column prop="attrName" label="属性名" width="150">
            <template #default="scope">
              <el-input v-model="scope.row.attrName" placeholder="请输入属性名" />
            </template>
          </el-table-column>
          <el-table-column prop="attrValue" label="属性值">
            <template #default="scope">
              <el-input v-model="scope.row.attrValue" placeholder="请输入属性值" />
            </template>
          </el-table-column>
          <el-table-column label="操作" width="100" align="center">
            <template #default="scope">
              <el-button link type="danger" icon="Delete" @click="removeAdditionItem(scope.$index)" />
            </template>
          </el-table-column>
        </el-table>
      </div>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="saveAdditions">保存</el-button>
          <el-button @click="additionOpen = false">取消</el-button>
        </div>
      </template>
    </el-dialog>

    <el-dialog title="产品工价" v-model="laborOpen" width="600px" append-to-body>
      <div class="addition-container">
        <el-button type="primary" icon="Plus" @click="addLaborItem" style="margin-bottom: 10px">添加工价</el-button>
        <el-table :data="laborList" style="width: 100%" border>
          <el-table-column prop="laborName" label="工价说明" width="200">
            <template #default="scope">
              <el-input v-model="scope.row.laborName" placeholder="请输入工价说明" />
            </template>
          </el-table-column>
          <el-table-column prop="laborPrice" label="金额(元)">
            <template #default="scope">
              <el-input-number style="width: 100%" v-model="scope.row.laborPrice" :controls="false" />
            </template>
          </el-table-column>
          <el-table-column label="操作" width="100" align="center">
            <template #default="scope">
              <el-button link type="danger" icon="Delete" @click="removeLaborItem(scope.$index)" />
            </template>
          </el-table-column>
        </el-table>
      </div>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="saveLabors">保存</el-button>
          <el-button @click="laborOpen = false">取消</el-button>
        </div>
      </template>
    </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> -->


  </div>
</template>

<script setup name="Product">
import { ref, computed } from 'vue';
import { useRouter } from 'vue-router';
import { listProduct, getProduct, delProduct, addProduct, updateProduct } from "@/api/mat/product";
import { listProductMaterialRelation } from "@/api/mat/productMaterialRelation";
import { getMaterial } from "@/api/mat/material";
import { listProductAddition, addProductAddition, updateProductAddition, delProductAddition } from "@/api/mat/productAddition";
import { listProductLabor, addProductLabor, updateProductLabor, delProductLabor } from "@/api/mat/productLabor";
import { listByIds, listOss } from "@/api/system/oss";
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 router = useRouter();
const bomOpen = ref(false);
const additionOpen = ref(false);
const laborOpen = ref(false);

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 pdfFileList = ref([]);
const pdfUseOssId = ref(true);
const additionList = ref([]);
const laborList = ref([]);
const uploadUrl = ref(import.meta.env.VITE_APP_BASE_API + '/system/oss/upload');
const headers = ref({ Authorization: "Bearer " + getToken() });

const isOssIdList = (val) => {
  if (val === null || val === undefined) return false;
  const str = String(val).trim();
  return /^[0-9]+(,[0-9]+)*$/.test(str);
};

const getFileNameFromUrl = (url) => {
  if (!url) return '';
  const str = String(url);
  return str.substring(str.lastIndexOf('/') + 1);
};

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

const data = reactive({
  form: {
    productId: null,
    productName: null,
    spec: null,
    model: null,
    unitPrice: null,
    delFlag: null,
    createTime: null,
    createBy: null,
    updateTime: null,
    updateBy: null,
    remark: null,
    productImages: null,
    productPdfs: null
  },
  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,
    productPdfs: null
  };
  imageFileList.value = [];
  pdfFileList.value = [];
  pdfUseOssId.value = true;
  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, index) => ({
        name: url.substring(url.lastIndexOf('/') + 1),
        url: url,
        uid: Date.now() + index
      }));
    } else {
      imageFileList.value = [];
    }

    // 处理PDF文件列表
    if (form.value.productPdfs) {
      const raw = String(form.value.productPdfs).trim();
      if (isOssIdList(raw)) {
        pdfUseOssId.value = true;
        listByIds(raw).then(res => {
          const list = res.data || [];
          pdfFileList.value = list.map((oss, index) => ({
            name: oss.originalName || oss.fileName || String(oss.ossId),
            url: oss.url,
            ossId: oss.ossId,
            uid: Date.now() + index + 100
          }));
        }).catch(() => {
          pdfFileList.value = [];
        });
      } else {
        const urls = raw.split(',').map(s => String(s).trim()).filter(Boolean);
        Promise.all(urls.map((url) =>
          listOss({ url, pageNum: 1, pageSize: 1 })
            .then(r => (r && r.rows && r.rows[0]) ? r.rows[0] : null)
            .catch(() => null)
        )).then(rows => {
          const mapped = urls.map((url, index) => {
            const row = rows[index];
            return {
              name: (row && (row.originalName || row.fileName)) || getFileNameFromUrl(url),
              url: (row && row.url) || url,
              ossId: row && row.ossId,
              uid: Date.now() + index + 100
            };
          });
          pdfFileList.value = mapped;
          const ossIds = mapped.map(f => f.ossId).filter(Boolean);
          const allResolved = ossIds.length === mapped.length && mapped.length > 0;
          pdfUseOssId.value = allResolved;
          if (allResolved) {
            form.value.productPdfs = ossIds.join(',');
          } else {
            form.value.productPdfs = urls.join(',');
          }
        }).catch(() => {
          pdfUseOssId.value = false;
          pdfFileList.value = urls.map((url, index) => ({
            name: getFileNameFromUrl(url),
            url,
            uid: Date.now() + index + 100
          }));
        });
      }
    } else {
      pdfFileList.value = [];
    }

    open.value = true;
    title.value = "修改产品基础信息";
  }).catch(err => {
    proxy.$modal.msgError("获取产品信息失败");
    loading.value = false;
  });
}

/** 图片上传成功处理 */
function handleImageUploadSuccess(response, uploadFile, uploadFiles) {
  if (response.code === 200) {
    const imageUrl = response.data.url;
    uploadFile.url = imageUrl;
    
    const urls = uploadFiles
      .map(f => f.url)
      .filter(url => url && !url.startsWith('blob:'));
    form.value.productImages = urls.join(',');
  } else {
    proxy.$modal.msgError('上传失败：' + response.msg);
    const index = imageFileList.value.findIndex(f => f.uid === uploadFile.uid);
    if (index > -1) {
      imageFileList.value.splice(index, 1);
    }
  }
}

/** 图片移除处理 */
function handleImageRemove(uploadFile, uploadFiles) {
  const urls = uploadFiles
    .map(f => f.url)
    .filter(url => url && !url.startsWith('blob:'));
  form.value.productImages = urls.length > 0 ? urls.join(',') : null;
}

/** PDF上传成功处理 */
function handlePdfUploadSuccess(response, uploadFile, uploadFiles) {
  if (response.code === 200) {
    uploadFile.url = response.data.url;
    uploadFile.name = response.data.fileName || uploadFile.name;
    uploadFile.ossId = response.data.ossId;

    if (pdfUseOssId.value) {
      const ossIds = uploadFiles
        .map(f => f.ossId)
        .filter(Boolean);
      form.value.productPdfs = ossIds.length > 0 ? ossIds.join(',') : null;
    } else {
      const urls = uploadFiles
        .map(f => f.url)
        .filter(url => url && !url.startsWith('blob:'));
      form.value.productPdfs = urls.length > 0 ? urls.join(',') : null;
    }
  } else {
    proxy.$modal.msgError('上传失败：' + response.msg);
    const index = pdfFileList.value.findIndex(f => f.uid === uploadFile.uid);
    if (index > -1) {
      pdfFileList.value.splice(index, 1);
    }
  }
}

/** PDF移除处理 */
function handlePdfRemove(uploadFile, uploadFiles) {
  if (pdfUseOssId.value) {
    const ossIds = uploadFiles
      .map(f => f.ossId)
      .filter(Boolean);
    form.value.productPdfs = ossIds.length > 0 ? ossIds.join(',') : null;
  } else {
    const urls = uploadFiles
      .map(f => f.url)
      .filter(url => url && !url.startsWith('blob:'));
    form.value.productPdfs = urls.length > 0 ? urls.join(',') : null;
  }
}

/** PDF上传前校验 */
function beforePdfUpload(file) {
  const isPdf = file.type === 'application/pdf';
  const isLt10M = file.size / 1024 / 1024 < 10;
  if (!isPdf) {
    proxy.$modal.msgError('只能上传 PDF 格式的文件');
    return false;
  }
  if (!isLt10M) {
    proxy.$modal.msgError('PDF文件大小不能超过 10MB');
    return false;
  }
  return true;
}

/** 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() {
  if (buttonLoading.value) {
    return;
  }
  
  proxy.$refs["productRef"].validate(valid => {
    if (valid) {
      const submitData = {
        productId: form.value.productId,
        productName: form.value.productName,
        spec: form.value.spec,
        model: form.value.model,
        unitPrice: form.value.unitPrice,
        remark: form.value.remark,
        productImages: form.value.productImages,
        productPdfs: form.value.productPdfs
      };
      
      buttonLoading.value = true;
      if (form.value.productId != null) {
        updateProduct(submitData).then(response => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        }).catch(err => {
          proxy.$modal.msgError("修改失败");
        }).finally(() => {
          buttonLoading.value = false;
        });
      } else {
        addProduct(submitData).then(response => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        }).catch(err => {
          proxy.$modal.msgError("新增失败");
        }).finally(() => {
          buttonLoading.value = false;
        });
      }
    } else {
      return;
    }
  });
}

/** 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) {
  // 跳转到产品详情页
  router.push(`/mat/product/detail/${row.productId}`);
}

function handleAddition(row) {
  currentProductId.value = row.productId;
  // 清空附加属性列表
  additionList.value = [];
  // 获取已有的附加属性数据
  listProductAddition({ productId: row.productId }).then(response => {
    if (response.code === 200) {
      additionList.value = response.rows || [];
    }
  });
  additionOpen.value = true;
}

function addAdditionItem() {
  additionList.value.push({ attrName: '', attrValue: '' });
}

function removeAdditionItem(index) {
  additionList.value.splice(index, 1);
}

function saveAdditions() {
  // 过滤掉空的属性项
  const validAdditions = additionList.value.filter(item => item.attrName && item.attrName.trim());
  
  // 保存附加属性
  validAdditions.forEach(item => {
    const additionData = {
      productId: currentProductId.value,
      attrName: item.attrName.trim(),
      attrValue: item.attrValue ? item.attrValue.trim() : ''
    };
    
    // 如果有addId，则是更新操作
    if (item.addId) {
      additionData.addId = item.addId;
      // 调用API更新附加属性
      updateProductAddition(additionData).then(response => {
        if (response.code === 200) {
          proxy.$modal.msgSuccess('保存成功');
        } else {
          proxy.$modal.msgError('保存失败');
        }
      });
    } else {
      // 调用API新增附加属性
      addProductAddition(additionData).then(response => {
        if (response.code === 200) {
          proxy.$modal.msgSuccess('保存成功');
        } else {
          proxy.$modal.msgError('保存失败');
        }
      });
    }
  });
  
  additionOpen.value = false;
}

function handleLabor(row) {
  currentProductId.value = row.productId;
  laborList.value = [];
  listProductLabor({ productId: row.productId }).then(response => {
    if (response.code === 200) {
      laborList.value = response.rows || [];
    }
  });
  laborOpen.value = true;
}

function addLaborItem() {
  laborList.value.push({ laborName: '', laborPrice: 0 });
}

function removeLaborItem(index) {
  const item = laborList.value[index];
  if (item && item.laborId) {
    delProductLabor(item.laborId).finally(() => {
      laborList.value.splice(index, 1);
    });
    return;
  }
  laborList.value.splice(index, 1);
}

async function saveLabors() {
  const valid = laborList.value
    .map(item => ({
      ...item,
      laborName: item.laborName ? String(item.laborName).trim() : ''
    }))
    .filter(item => item.laborName);

  const tasks = valid.map(item => {
    const data = {
      laborId: item.laborId,
      productId: currentProductId.value,
      laborName: item.laborName,
      laborPrice: item.laborPrice ?? 0
    };
    if (data.laborId) return updateProductLabor(data);
    return addProductLabor(data);
  });

  try {
    await Promise.all(tasks);
    proxy.$modal.msgSuccess('保存成功');
  } catch (e) {
    proxy.$modal.msgError('保存失败');
  } finally {
    laborOpen.value = false;
  }
}

getList();
</script>

<style scoped>
/* 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;
}

/* 图片预览层样式 */
:deep(.el-image-viewer__wrapper) {
  z-index: 9999 !important;
}
</style>
