<template>
  <div class="app-container">
    <el-row  class="mb8">
      <el-col :span="4">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAddDictOpen"
        >新增图片分类</el-button>
      </el-col>
      
      <el-col style="text-align:right;" :span="20">
        <el-button
        type="primary"
        icon="el-icon-plus"
        size="mini"
        @click="handleAdd"
        v-permission="['cloud:imageManagement:add']"
      >新增图片</el-button>
      </el-col>
    </el-row>
    <el-row style="margin-top:20px;display: flex;overflow-x: auto;">
      <el-col :span="4">
      <el-tree :default-expanded-keys="[-1]" node-key="id" :data="data" :props="defaultProps" @node-click="handleNodeClick">
        <span  class="custom-tree-node" slot-scope="{ node, data }">
          <span>{{ node.label }}</span>
          <span v-if="node.label!='全部分类'&&node.label!='未分类'">
            <el-button
              type="text"
              size="mini"
              @click="() => append(data)">
              编辑
            </el-button>
            <el-button
              type="text"
              size="mini"
              @click="() => remove(node, data)">
              删除
            </el-button>
          </span>
        </span>
      </el-tree>
    </el-col>
    <el-col :span="20">
      <el-form :model="queryParams" ref="queryForm" :inline="true" label-width="68px">
        <!-- <el-form-item label="图片标题" prop="imageTitle">
          <el-input
            v-model="queryParams.imageTitle"
            placeholder="请输入图片标题"
            clearable
            size="small"
            @keyup.enter.native="handleQuery"
          />
        </el-form-item> -->
        <el-form-item label="语言" prop="language">
              <el-select v-model="queryParams.language" placeholder="请选择语言" clearable size="small">
                <el-option label="中文" value="中文" />
                <el-option label="English" value="English" />
              </el-select>
            </el-form-item>
            <el-form-item label="分类" prop="classify">
              <el-select v-model="queryParams.classify" placeholder="请选择分类" clearable size="small">
                <el-option :label="item.classifyName" :value="item.classifyName" v-for="(item,index) in typeList"/>
              </el-select>
            </el-form-item>
        <el-form-item>
          <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
        </el-form-item>
      </el-form>
      <el-table v-loading="loading" :data="imageManagementList" @selection-change="handleSelectionChange">
        <!-- <el-table-column type="selection" width="55" align="center" /> -->
        <!-- <el-table-column label="" align="center" prop="id" />role -->
        <el-table-column label="图片地址" align="center" prop="imageUrl" />
        <el-table-column label="图片" align="center" width="180">
          <template slot-scope="scope">
           <img :src="scope.row.imageUrl" alt="" style="width:100px;height:50px">
          </template>
        </el-table-column>
        <el-table-column label="图片分类" align="center" prop="classify" />
        <el-table-column label="语言" align="center" prop="language" />
        <el-table-column label="创建时间" align="center" prop="gmtCreate" width="180">
          <template slot-scope="scope">
            <span>{{ parseTime(scope.row.gmtCreate) }}</span>
          </template>
        </el-table-column>
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="text"
              icon="el-icon-edit"
              @click="handleUpdate(scope.row)"
              v-permission="['cloud:imageManagement:edit']"
            >修改</el-button>
            <el-button
              size="mini"
              type="text"
              icon="el-icon-delete"
              @click="handleDelete(scope.row)"
              v-permission="['cloud:imageManagement:remove']"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </el-col>
    
    </el-row>
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.page"
      :limit.sync="queryParams.limit"
      @pagination="getList"
    />
    <el-dialog :title="title1" :visible.sync="opendict" width="500px">
      <el-form ref="form" label-width="80px">
      <el-form-item label="分类名称">
        <el-input v-model="dict.classifyName" placeholder="请输入分类名称" />
      </el-form-item>
    </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="handleAddDict">确 定</el-button>
        <el-button @click="opendict = false">取 消</el-button>
      </div>
    </el-dialog>

    <!-- 添加或修改图片管理信息对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="选择分类">
          <el-select v-model="form.classify" placeholder="选择分类" clearable size="small">
            <el-option :label="item.classifyName" :value="item.classifyName" v-for="(item,index) in typeList"/>
          </el-select>
        </el-form-item>
        <el-form-item label="图片上传" prop="imageUrl">
          <el-upload
          ref="mYupload"
          class="avatar-uploader"
          :headers="headers"
          :action="uploadPath"
          :show-file-list="false"
          :on-success="uploadSuccessHandle"
          :before-upload="onBeforeUpload">
            <img v-if="form.imageUrl" :src="form.imageUrl" class="avatar">
            <i v-else class="el-icon-plus avatar-uploader-icon"></i>
          </el-upload>
        </el-form-item>
        <el-form-item label="图片标题" prop="imageTitle">
          <el-input v-model="form.imageTitle" placeholder="请输入图片标题" />
        </el-form-item>
        <el-form-item label="语言" prop="language">
          <el-radio-group v-model="form.language">
            <el-radio-button label="中文"></el-radio-button>
            <el-radio-button label="English"></el-radio-button>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listDict, addDict, editDict, delDict, } from "@/api/cloud/articleManagement";
import { listImageManagement, getImageManagement, delImageManagement, addImageManagement, updateImageManagement, exportImageManagement } from "@/api/cloud/imageManagement";
import { uploadPath } from '@/api/storage'
import { getToken } from '@/utils/auth'
export default {
  data() {
    return {
      typeList:[],

      dict:{
        classifyType:'imgs_type',
        language:'中文'
      },
      title1:'',
      opendict:false,
      data: [{
          label: '全部分类',
          id:-1,
          children: [{label: '未分类',id:0},]
        }],
        defaultProps: {
          children: 'children',
          label: 'label'
        },
      uploadPath,
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 总条数
      total: 0,
      // 图片管理信息表格数据
      imageManagementList: [],
      title1:'新增分类',
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        page: 1,
        limit: 10,
        imageUrl: undefined,
        imageTitle: undefined,
        language: undefined,
        gmtCreate: undefined,
        gmtUpdate: undefined,
        deleteFlag: undefined,
        classify:undefined
      },
      // 表单参数
      form: {language:'中文'},
      // 表单校验
      rules: {
        gmtCreate: [
          { required: true, message: "不能为空", trigger: "blur" }
        ],        gmtUpdate: [
          { required: true, message: "不能为空", trigger: "blur" }
        ],        deleteFlag: [
          { required: true, message: "删除标识不能为空", trigger: "blur" }
        ]      }
    };
  },
  created() {
    this.getList();
  },
  computed: {
    headers() {
      return {
        accessToken: getToken()
      }
    }
  },
  methods: {
     // 编辑分类
     append(data) {
      this.dict=data
      this.title='编辑分类'
      this.opendict=true
        
      },
      // 删除分类
      remove(node, data) {
        this.$confirm('是否确认删除产品管理分类"' + data.label + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(() => {
          delDict(data.id).then(response => {
          if (response.data) {
            this.msgSuccess("删除分类成功");
            this.getList()
          } else {
            this.msgError(response.msg);
          }
        });
        }).catch(function() {});
       
        // const parent = node.parent;
        // const children = parent.data.children || parent.data;
        // const index = children.findIndex(d => d.id === data.id);
        // children.splice(index, 1);
      },
    handleAddDictOpen() {
      this.title='新增分类'
      this.opendict=true
    },
    handleAddDict() {
      if(this.title=='新增分类'){
        addDict(this.dict).then(response => {
          if (response.data) {
            this.msgSuccess("新增分类成功");
            this.dict={classifyType:'imgs_type',language:'中文'}
            this.opendict=false
            this.getList()
          } else {
            this.msgError(response.msg);
          }
        });
      }else{
        editDict(this.dict).then(response => {
          if (response.data) {
            this.msgSuccess("编辑分类成功");
            this.dict={classifyType:'imgs_type',language:'中文'}
            this.opendict=false
            this.getList()
          } else {
            this.msgError(response.msg);
          }
        });
      }
      
    },
    // 上传图片了处理图片
    uploadSuccessHandle(e, file) {
        const that = this
        this.form.imageUrl = e.url
        this.$forceUpdate()
      },
      onBeforeUpload(file) {
        const isIMAGE = file.type === 'image/jpeg' || 'image/gif' || 'image/png' || 'image/jpg'
        const isLt1M = file.size / 1024 / 1024 < 1

        if (!isIMAGE) {
          this.$message.error('上传文件只能是图片格式!')
        }
        if (!isLt1M) {
          this.$message.error('上传文件大小不能超过 1MB!')
        }
        return isIMAGE && isLt1M
      },
    /** 查询图片管理信息列表 */
    getList() {
      this.loading = true;
      listDict({classifyType:'imgs_type',}).then(response => {
        this.typeList = response.data.data.items
        var data=response.data.data.items
        this.data[0].children=[{label: '未分类'},]
        for (let i = 0; i < data.length; i++) {
          data[i].label=data[i].classifyName
          this.data[0].children.push(data[i])
          
        }
        console.log(this.data,111111)
      });
      listImageManagement(this.queryParams).then(response => {
        this.imageManagementList = response.data.data.items
        this.total = response.data.data.count
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: undefined,
        imageUrl: undefined,
        imageTitle: undefined,
        language: undefined,
        gmtCreate: undefined,
        gmtUpdate: undefined,
        deleteFlag: undefined,
        classify:undefined
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!=1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加图片管理信息";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids.join(',')
      getImageManagement(id).then(response => {
        this.form = response.data.data
        this.open = true;
        this.title = "修改图片管理信息";
      });
    },
    /** 提交按钮 */
    submitForm: function() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != undefined) {
            updateImageManagement(this.form).then(response => {
              if (response.data) {
                this.msgSuccess("修改成功");
                this.form={language:'中文'}
                this.$refs['mYupload'].clearFiles()
                this.open = false;
                this.getList();
              } else {
                this.msgError(response.msg);
              }
            });
          } else {
            addImageManagement(this.form).then(response => {
              if (response.data) {
                this.msgSuccess("新增成功");
                this.form={language:'中文'}
                this.$refs['mYupload'].clearFiles()
                this.open = false;
                this.getList();
              } else {
                this.msgError(response.msg);
              }
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids.join(',')
      this.$confirm('是否确认删除图片管理信息编号为"' + ids + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delImageManagement(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(function() {});
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有图片管理信息数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return exportImageManagement(queryParams);
        }).then(response => {
          this.download(response.data.data);
        }).catch(function() {});
    }
  }
};
</script>
<style lang="scss" scoped>
.avatar-uploader{ 
  /deep/.el-upload {
    border: 1px dashed #ccc;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
}
 
.avatar-uploader .el-upload:hover {
  border-color: #409EFF;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}
.avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>