<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch">
      <el-form-item label="菜单名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入菜单名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="菜单状态" clearable size="small">
          <el-option
            v-for="dict in statusOptions"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </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-right" 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"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPerm="['menu_add']"
        >新增</el-button>
      </el-col>

      <div class="top-right-btn">
        <el-tooltip class="item" effect="dark" content="刷新" placement="top">
          <el-button size="mini" circle icon="el-icon-refresh" @click="handleQuery" />
        </el-tooltip>
        <el-tooltip class="item" effect="dark" :content="showSearch ? '隐藏搜索' : '显示搜索'" placement="top">
          <el-button size="mini" circle icon="el-icon-search" @click="showSearch=!showSearch" />
        </el-tooltip>
      </div>
    </el-row>

    <el-table
      v-loading="loading"
      :data="menuList"
      row-key="id"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column prop="name" 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="sort" 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" :formatter="statusFormat" width="80"></el-table-column>
      <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="handleEdit(scope.row)"
            v-hasPerm="['menu_edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
            v-hasPerm="['menu_add']"
          >新增</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDel(scope.row)"
            v-hasPerm="['menu_del']"
          >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="720px">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="24">
            <el-form-item label="所属应用" prop="applicationId">
              <treeselect
                v-model="form.applicationId"
                :options="applicationOptions"
                :normalizer="normalizer"
                :show-count="true"
                placeholder="选择所属应用"
              />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="上级菜单">
              <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="type">
              <el-radio-group v-model="form.type">
                <el-radio label="M">目录</el-radio>
                <el-radio label="C">菜单</el-radio>
                <el-radio label="F">资源</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item v-if="form.type != 'F'" label="菜单图标">
              <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="name">
              <el-input v-model="form.name" placeholder="请输入菜单名称" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.type != 'F'" label="路由地址" prop="path">
              <el-input v-model="form.path" placeholder="请输入路由地址" />
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.type == 'C'">
            <el-form-item label="组件路径" prop="component">
              <el-input v-model="form.component" placeholder="请输入组件路径" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.type != 'M'" label="权限标识" >
              <el-input v-model="form.perms" placeholder="请输入权限标识" maxlength="50" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="显示排序" prop="sort">
              <el-input-number v-model="form.sort" controls-position="right" :min="0" />
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.type == 'C'">
            <el-form-item label="是否缓存">
              <el-radio-group v-model="form.noCache">
                <el-radio
                  v-for="dict in cacheOptions"
                  :key="dict.value"
                  :label="dict.value"
                >{{dict.label}}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.type != 'F'" label="菜单状态">
              <el-radio-group v-model="form.status">
                <el-radio
                  v-for="dict in statusOptions"
                  :key="dict.value"
                  :label="dict.value"
                >{{dict.label}}</el-radio>
              </el-radio-group>
            </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 { listMenu, getMenu, delMenu, addMenu, editMenu } from "@/api/system/menu";
import {listApplication} from "@/api/system/application";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import IconSelect from "@/components/IconSelect";

export default {
  name: "Menu",
  components: { Treeselect, IconSelect },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 菜单表格树数据
      menuList: [],
      // 菜单树选项
      menuOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 菜单状态数据字典
      statusOptions: [],
      // 缓存数据字典
      cacheOptions: [],
      applicationOptions: [],
      // 查询参数
      queryParams: {
        name: undefined,
        status: undefined
      },
      // 显示搜索条件
      showSearch: true,
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        applicationId: [
          { required: true, message: "所属应用不能为空", trigger: "blur" }
        ],
        name: [
          { required: true, message: "菜单名称不能为空", trigger: "blur" }
        ],
        sort: [
          { 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();
    this.getAppList();
    this.getDicts("menu_status").then(response => {
      this.statusOptions = response.data;
    });
    this.getDicts("yes_no").then(response => {
      this.cacheOptions = response.data;
    });
  },
  methods: {
    // 选择图标
    selected(name) {
      this.form.icon = name;
    },
    /** 查询菜单列表 */
    getList() {
      this.loading = true;
      listMenu(this.queryParams).then(response => {
        this.menuList = this.handleTree(response.data, "id");
        this.loading = false;
      });
    },
    /** 查询应用列表 */
    getAppList() {
      this.loading = true;
      listApplication({current: 1, size: 30}).then(response => {
          this.applicationOptions = response.data;
          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.id,
        label: node.name,
        children: node.children
      };
    },
    /** 查询菜单下拉树结构 */
    getTree() {
      listMenu().then(response => {
        this.menuOptions = [];
        const menu = { id: 0, name: '主类目', children: [] };
        menu.children = this.handleTree(response.data, "id");
        this.menuOptions.push(menu);
      });
    },
    // 菜单显示状态字典翻译
    statusFormat(row, column) {
      if (row.type == "F") {
        return "";
      }
      return this.selectDictLabel(this.statusOptions, row.status);
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: undefined,
        parentId: 0,
        name: undefined,
        icon: undefined,
        type: "M",
        sort: undefined,
        noCache: "1",
        status: "0"
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.current = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset();
      this.getTree();
      if (row != null) {
        this.form.parentId = row.id;
      }
      this.open = true;
      this.title = "添加菜单";
    },
    /** 修改按钮操作 */
    handleEdit(row) {
      this.reset();
      this.getTree();
      getMenu(row.id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改菜单";
      });
    },
    /** 提交按钮 */
    submitForm: function() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if(this.form.type === 'F' && !this.form.perms){
            this.msgError("权限标识不能为空！");
            return;
          }
          if (this.form.id != undefined) {
            editMenu(this.form).then(response => {
              if (response.code === 0) {
                this.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              } else {
                this.msgError(response.msg);
              }
            });
          } else {
            console.log(JSON.stringify(this.form))
            addMenu(this.form).then(response => {
              if (response.code === 0) {
                this.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              } else {
                this.msgError(response.msg);
              }
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDel(row) {
      this.$confirm('是否确认删除名称为"' + row.name + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delMenu(row.id);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(function() {});
    }
  }
};
</script>

