<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch">
      <el-form-item label="菜单名称" prop="menuName">
        <el-input
          maxlength="50"
          v-model="queryParams.menuName"
          placeholder="请输入菜单名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </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-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="info"
          plain
          icon="el-icon-sort"
          size="mini"
          @click="toggleExpandAll"
        >展开/折叠</el-button>
      </el-col>
    </el-row>

    <el-table
      v-if="refreshTable"
      v-loading="loading"
      :data="menuList"
      row-key="menuId"
      :default-expand-all="isExpandAll"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column prop="menuName" label="菜单名称" :show-overflow-tooltip="true" width="160"></el-table-column>
      <el-table-column prop="icon" label="图标" align="center" width="100">
        <template slot-scope="scope">
          <svg-icon :icon-class="scope.row.icon" />
        </template>
      </el-table-column>
      <el-table-column prop="pc" label="字符标识" width="200"></el-table-column>
      <el-table-column prop="orderNum" label="排序" width="60"></el-table-column>
      <el-table-column prop="perms" label="权限标识" :show-overflow-tooltip="true"></el-table-column>
      <el-table-column prop="component" label="组件路径" :show-overflow-tooltip="true"></el-table-column>
<!--      <el-table-column prop="status" label="状态" width="80" :formatter="statusFormat"/>-->
      <el-table-column label="创建时间" align="center" prop="createTime">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</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)"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
          >新增</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改菜单对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="680px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-row>
          <el-col :span="24">
            <el-form-item label="上级菜单" prop="parentId">
              <treeselect
                v-model="form.parentId"
                :options="menuOptions"
                :normalizer="normalizer"
                :show-count="true"
                placeholder="选择上级菜单"
              />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="菜单类型" prop="menuType">
              <el-radio-group v-model="form.menuType">
                <el-radio label="M">目录</el-radio>
                <el-radio label="C">菜单</el-radio>
                <el-radio label="F">按钮</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="24" v-if="form.menuType != 'F'">
            <el-form-item label="菜单图标" prop="icon">
              <el-popover
                placement="bottom-start"
                width="460"
                trigger="click"
                @show="$refs['iconSelect'].reset()"
              >
                <IconSelect ref="iconSelect" @selected="selected" />
                <el-input slot="reference" v-model="form.icon" placeholder="点击选择图标" readonly>
                  <svg-icon
                    v-if="form.icon"
                    slot="prefix"
                    :icon-class="form.icon"
                    class="el-input__icon"
                    style="height: 32px;width: 16px;"
                  />
                  <i v-else slot="prefix" class="el-icon-search el-input__icon" />
                </el-input>
              </el-popover>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="菜单名称" prop="menuName">
              <el-input v-model="form.menuName" placeholder="请输入菜单名称" maxlength="50"/>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="显示排序" prop="orderNum">
              <el-input-number v-model="form.orderNum" controls-position="right" :min="0" />
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.menuType != 'F'">
            <el-form-item prop="isFrame">
              <span slot="label">
                <el-tooltip content="选择是外链则路由地址需要以`http(s)://`开头" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                是否外链
              </span>
              <el-radio-group v-model="form.isFrame">
                <el-radio label="0">是</el-radio>
                <el-radio label="1">否</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.menuType != 'F'">
            <el-form-item prop="path">
              <span slot="label">
                <el-tooltip content="访问的路由地址，如：`user`，如外网地址需内链访问则以`http(s)://`开头" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                路由地址
              </span>
              <el-input v-model="form.path" placeholder="请输入路由地址" maxlength="200"/>
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.menuType == 'C'">
            <el-form-item prop="component">
              <span slot="label">
                <el-tooltip content="访问的组件路径，如：`system/user/index`，默认在`views`目录下" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                组件路径
              </span>
              <el-input v-model="form.component" placeholder="请输入组件路径" maxlength="200"/>
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.menuType != 'M'">
            <el-form-item prop="perms">
              <el-input v-model="form.perms" placeholder="请输入权限标识" maxlength="100" />
              <span slot="label">
                <el-tooltip content="控制器中定义的权限字符，如：@PreAuthorize(`@ss.hasPermi('system:user:list')`)" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                权限字符
              </span>
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.menuType == 'C'">
            <el-form-item prop="query">
              <el-input v-model="form.query" placeholder="请输入路由参数" maxlength="200" />
              <span slot="label">
                <el-tooltip content='访问路由的默认传递参数，如：`{"id": 1, "name": "ry"}`' placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                路由参数
              </span>
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.menuType == 'C'">
            <el-form-item prop="isCache">
              <span slot="label">
                <el-tooltip content="选择是则会被`keep-alive`缓存，需要匹配组件的`name`和地址保持一致" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                是否缓存
              </span>
              <el-radio-group v-model="form.isCache">
                <el-radio label="0">缓存</el-radio>
                <el-radio label="1">不缓存</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.menuType != 'F'" v-show="false">
            <el-form-item prop="visible">
              <span slot="label">
                <el-tooltip content="选择隐藏则路由将不会出现在侧边栏，但仍然可以访问" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                显示状态
              </span>
              <el-radio-group v-model="form.visible">
                <el-radio
                  v-for="dict in sysShow"
                  :key="dict.value"
                  :label="dict.value"
                >{{dict.label}}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.menuType != 'F'" v-show="false">
            <el-form-item prop="status" >
              <span slot="label">
                <el-tooltip content="选择停用则路由将不会出现在侧边栏，也不能被访问" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                菜单状态
              </span>
              <el-radio-group v-model="form.status">
                <el-radio
                  v-for="dict in menuStatus"
                  :key="dict.value"
                  :label="dict.value"
                >{{dict.label}}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.menuType == 'C'">
            <el-form-item label="字符标识" prop="pc">
              <el-select
                multiple
                v-model="form.pc"
                placeholder="请选择字符标识"
              >
                <el-option
                  v-for="item in pcOptions"
                  :key="item.value"
                  :label="item.label"
                  :value="item.value">
                </el-option>
              </el-select>
            </el-form-item>
          </el-col>
        </el-row>
      </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 Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import IconSelect from "@/components/IconSelect";
import { debounce } from 'lodash'
export default {
  name: "Menu",
  dicts: ['sys_show_hide', 'sys_normal_disable'],
  components: { Treeselect, IconSelect },
  data() {
    return {
      pcOptions: [
        {value: 'XTGL', label: 'XTGL'},
        {value: 'SJGL', label: 'SJGL'},
        {value: 'SHGL', label: 'SHGL'},
        {value: 'YWGL', label: 'YWGL'},
        {value: 'SJYW', label: 'SJYW'},
        {value: 'YWPZ', label: 'YWPZ'},
        {value: 'YWCZ', label: 'YWCZ'}
      ],
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 菜单表格树数据
      menuList: [],
      sysShow: [
        {value: '0', label: '显示菜单'},
        {value: '1', label: '隐藏菜单'}
      ],
      menuStatus: [
        {value: '0', label: '正常'},
        {value: '1', label: '停用'}
      ],
      // 菜单树选项
      menuOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否展开，默认全部折叠
      isExpandAll: false,
      // 重新渲染表格状态
      refreshTable: true,
      // 查询参数
      queryParams: {
        menuName: undefined,
        visible: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        menuName: [
          { required: true, message: "菜单名称不能为空", trigger: "blur" }
        ],
        pc: [
          { required: true, message: "字符标识不能为空", trigger: "blur" }
        ],
        orderNum: [
          { required: true, message: "菜单顺序不能为空", trigger: "blur" }
        ],
        path: [
          { required: true, message: "路由地址不能为空", trigger: "blur" }
        ]
      }
    };
  },
  created() {
    this.getList()
  },
  methods: {
    // 列表状态格式化
    statusFormat(row, column) {
      let belongTo = '未知的类型'
      for (let i = 0; i < this.menuStatus.length; i++) {
        if (row.status == "0") {
          belongTo = "正常"
        } else if (row.status == "1") {
          belongTo = "停用"
        }
      }
      return belongTo
    },
    // 选择图标
    selected(name) {
      this.form.icon = name
    },
    /** 查询菜单列表 */
    async getList(){
      this.loading = true;
      await this.$axios.get('/sysMenuController/list',{params: this.queryParams}).then((res) => {
        this.menuList = this.handleTree(res.data, "menuId")
        this.loading = false;
      }).catch((error) => {
        this.loading = false;
      })
    },
    /** 转换菜单数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children
      }
      return {
        id: node.menuId,
        label: node.menuName,
        children: node.children
      };
    },
    /** 查询菜单下拉树结构 */
    async getTreeselect() {
      await this.$axios.get('/sysMenuController/list').then((res) => {
        this.menuOptions = []
        const menu = { menuId: 0, menuName: '主类目', children: [] }
        menu.children = this.handleTree(res.data, "menuId")
        this.menuOptions.push(menu)
      })
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        menuId: undefined,
        parentId: 0,
        menuName: undefined,
        icon: undefined,
        menuType: "M",
        orderNum: undefined,
        isFrame: "1",
        isCache: "0",
        visible: "0",
        status: "0"
      };
      this.resetForm("form")
    },
    /** 搜索按钮操作 */
    handleQuery:debounce(function(){
      this.getList()
    },1000),
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm")
    },
    /** 新增按钮操作 */
    handleAdd:debounce(function(row){
      this.reset()
      this.getTreeselect();
      if (row != null && row.menuId) {
        this.form.parentId = row.menuId
      } else {
        this.form.parentId = 0
      }
      this.open = true
      this.title = "添加菜单"
    },500),
    /** 展开/折叠操作 */
    toggleExpandAll() {
      this.refreshTable = false
      this.isExpandAll = !this.isExpandAll
      this.$nextTick(() => {
        this.refreshTable = true
      });
    },
    /** 修改按钮操作 */
    handleUpdate:debounce(async function(row){
      this.reset()
      this.getTreeselect()
      var searchParams = {
        menuId: row.menuId,
      }
      await this.$axios.get('/sysMenuController/getDetailInfo',
        {params: searchParams}).then((res) => {
        this.form = res.data
        if (this.form.pc!=null){
          this.form.pc = this.form.pc.split(",")
        }

        this.open = true
        this.title = "修改菜单"
      }).catch((error) => {
        // this.$message.error('获取数据出错' + error)
      })
    },500),
    /** 提交按钮 */
    submitForm:debounce(function(){
      this.$refs["form"].validate(async valid => {
        if (valid) {
          if (this.form.pc!=null){
            this.form.pc = this.form.pc.join(",")
          }
          if (this.form.menuId != undefined) {
            await this.$axios.post('/sysMenuController/updateMenu', this.form).then((res) => {
              if (res.code == 0) {
                this.$message.success('修改成功')
              }
              if (res.code == 1) {
                this.$message.error(res.data)
              }
              this.open = false;
              this.getList();
            }).catch((error) => {
              // this.$message.error(error)
            })
          } else {
            await this.$axios.post('/sysMenuController/addMenu', this.form).then((res) => {
              if (res.code == 0) {
                this.$message.success('新增成功')
              }
              if (res.code == 1) {
                this.$message.error(res.data)
              }
              this.open = false;
              this.getList();
            }).catch((error) => {
              // this.$message.error(error)
            })
          }
        }
      });
    },1000),
    /** 删除按钮操作 */
    handleDelete(row) {
      this.$confirm('是否确认删除名称为"' + row.menuName + '"的数据项？', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
        beforeClose(action, instance, done) {
          if (action === "confirm") {
            instance.$refs["confirm"].$el.onclick = (function (e) {
              e = e || window.event;
              if (e.detail != 0) {
                done();
              }
            })();
          } else {
            done();
          }
        }
      }).then(() => {
        this.doDelete(row)
      }).catch(() => {
      });
    },
    /**
     * 删除提交
     */
    doDelete:debounce(async function(row){
      const param = {
        menuId: row.menuId,
      }
      await this.$axios.post('/sysMenuController/delMenu', param).then((res) => {
        if (res.code == 0) {
          this.$message({
            type: 'success',
            message: '删除成功!'
          });
        } else {
          this.$message({
            type: 'error',
            message: res.data
          });
        }
        this.getList();
      }).catch((error) => {
        this.$message({
          type: 'error',
          message: '删除失败!'
        });
        this.loading = false
      })
    },1000)
  }
}
</script>
