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


// 管理员
class AdminService extends CrudService {
  constructor(ctx) {
    super(ctx, 'admin');
    this.model = this.ctx.model.Admin;
    this.util = this.ctx.service.util.util;
    this.inviteCode = this.ctx.model.InviteCode;
  }

  async query(query, { skip = 0, limit = 0, ...other } = {}) {
    query = this.util.turnDateRangeQuery(this.util.turnFilter(query));
    let data = await this.model.find(query).skip(parseInt(skip)).limit(parseInt(limit));
    if (data.length > 0) data = JSON.parse(JSON.stringify(data));
    const menus = await this.ctx.model.Menu.find();
    data = data.map(i => {
      const um = menus.filter(f => i.menus.find(mf => ObjectId(mf).equals(f._id)));
      i.menus = um;
      return i;
    });
    return data;
  }

  async fetch({ id }) {
    let object = await this.model.findById(id);
    if (!object) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到用户的信息');
    object = JSON.parse(JSON.stringify(object));
    const menus = await this.ctx.model.Menu.find({ _id: object.menus.map(i => ObjectId(i)) }).sort({ sort: 1 });
    object.menus = menus;
    return object;
  }

  /**
   * 创建用户
   * @param {Object} params 用户信息
   */
  async create({ passwd, ...data }) {
    data.passwd = { secret: passwd };
    const { phone, pid, code } = data;
    // 检查手机号
    let num = await this.model.count({ phone });
    if (num > 0) throw new BusinessError(ErrorCode.DATA_EXISTED, '已有管理员/机构管理员/业务管理员 使用该手机号');
    // 检查上级id
    try {
      num = await this.model.count({ _id: ObjectId(pid) });
      if (num <= 0) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到上级的信息');
    } catch (error) {
      throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到上级的信息');
    }
    const res = await this.model.create(data);
    const icdata = { user_id: res._id, code, user_name: res.name };
    try {
      const res = await this.inviteCode.create(icdata);
    } catch (error) {
      await this.model.deleteOne({ _id: res._id });
      throw new BusinessError(ErrorCode.DATABASE_FAULT, '该邀请码已被使用,请重新更换邀请码');
    }
    return res;
  }
  /**
   * 修改密码
   * @param {Object} {id,passwd} 用户id和密码
   */
  async password({ id, passwd }) {
    const object = await this.model.findById(id);
    if (!object) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到用户的信息');
    object.passwd = { secret: passwd };
    await object.save();
  }
  /**
   * 管理员登陆
   * @param {Object} params 登陆信息
   * @property code_phone code或者是phone
   * @property passwd 密码
   */
  async login({ code_phone, passwd }) {
    const object = await this.model.findOne({ $or: [{ code: code_phone }, { phone: code_phone }] }, '+passwd');
    if (!object) throw new BusinessError(ErrorCode.DATA_NOT_EXIST, '未找到用户的信息');
    const { passwd: op } = object;
    const { secret } = op;
    if (secret !== passwd) throw new BusinessError(ErrorCode.BAD_PASSWORD, '密码错误');
    const data = _.omit(JSON.parse(JSON.stringify(object)), [ 'meta', 'passwd', '__v' ]);
    const { secret: secrets } = this.config.jwt;
    const menus = await this.ctx.model.Menu.find({ _id: object.menus.map(i => ObjectId(i)) }).sort({ sort: 1 });
    data.menus = menus;
    const token = jwt.sign(data, secrets);
    return token;
  }

}

module.exports = AdminService;