'use strict';

const assert = require('assert');
const _ = require('lodash');
const moment = require('moment');
const { ObjectId } = require('mongoose').Types;
const { CrudService } = require('naf-framework-mongoose/lib/service');
const { BusinessError, ErrorCode } = require('naf-core').Error;

class RoleService extends CrudService {
  constructor(ctx) {
    super(ctx, 'role');
    this.model = this.ctx.model.Role;
    this.Menumodel = this.ctx.model.Menu;
  }

  async update(data) {
    const { menu, id } = data;
    // 将有子目录的目录删除掉,保存
    let haveChild = await this.Menumodel.find({ _id: menu.map(i => ObjectId(i)) });
    haveChild = JSON.parse(JSON.stringify(haveChild));
    //  过滤出子目录是父级目录的目录项
    const nmenu = haveChild.filter(f => !haveChild.find(cf => cf.pid === f._id));
    data.menu = nmenu.map(i => i._id);
    const res = await this.model.update({ _id: id }, data);
    return res;

  }
  async getRoleMenuTree({ project, type, userid }) {
    assert(project, '缺少需要查找的项目信息');
    assert(type, '缺少需要查找角色代码');
    // 找到这个角色的所有权限
    const res = await this.model.findOne({ project, type });
    if (!res) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到指定角色');
    let { menu } = res;
    // console.log(res);
    const object = {};
    // // 找到用户的角色对应的权限
    let roleMenu = await this.Menumodel.find({ project }).sort({ sort: -1 });
    if (roleMenu.length > 0) {
      // 将用户角色部分得到权限限制住,不允许改,必须有
      roleMenu = JSON.parse(JSON.stringify(roleMenu));
      roleMenu = roleMenu.map(i => {
        const { _id } = i;
        if (menu.includes(_id)) i.disabled = true;
        return i;
      });
      // 需要查看所有有子目录的目录,子目录disabled是否全为true,全为true,则他自己也是true,否则不用变
      // 整理成树状图格式
      roleMenu = await this.ctx.service.menu.toFindChildren(roleMenu);
    }
    object.menu = roleMenu;
    // 如果有userid,说明还需要找到这个用户的特有的权限,合并到selected中
    if (userid) {
      const umRes = await this.ctx.service.userMenu.findUserMenu({ project, userid });
      if (umRes) {
        const { menu: uMenu } = umRes;
        menu = [ ...menu, ...uMenu ];
      }
    }
    object.selected = menu;
    return object;
  }

}

module.exports = RoleService;