'use strict';

const _ = require('lodash');
const Controller = require('egg').Controller;

// 群管理
class GroupController extends Controller {

  constructor(ctx) {
    super(ctx);
    this.service = this.ctx.service.group;
  }

  // 查询列表
  async index() {
    let { skip, limit, ...info } = this.ctx.query;
    if (skip && !_.isNumber(skip)) skip = Number(skip);
    if (limit && !_.isNumber(limit)) limit = Number(limit);
    const res = await this.service.query(info, { skip, limit });
    this.ctx.ok({ ...res });
  }

  // POST
  // 添加群
  async create() {
    // 如果参数校验未通过，将会抛出一个 status = 422 的异常
    const res = await this.service.create(this.ctx.request.body);
    this.ctx.ok({ msg: 'created', data: res });
  }

  // GET /{id}
  // 获得群详情
  async show() {
    const res = await this.service.fetch(this.ctx.params);
    this.ctx.ok({ data: res });
  }

  // GET /{id}/info
  // POST /{id}/info
  // 获得基本信息,修改基本信息
  async info() {
    if (this.ctx.request.method === 'POST') {
      await this.service.updateInfo(this.ctx.params, this.ctx.request.body);
      this.ctx.ok({ msg: 'accepted' });
    } else {
      const res = await this.service.fetch(this.ctx.params, { patients: '+patients' });
      this.ctx.ok({ data: res && res.emrs });
    }
  }

  // DELETE /{id}
  // 删除群信息
  async destroy() {
    const { id } = this.ctx.params;
    await this.service.delete({ id });
    this.ctx.ok({ msg: 'deleted' });
  }

  async exit() {
    await this.service.exit(this.ctx.request.body);
    this.ctx.ok();
  }
}

module.exports = GroupController;