'use strict';

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

class OtheruserService extends CrudService {
  constructor(ctx) {
    super(ctx, 'other_user');
    this.model = this.ctx.model.Otheruser;
    this.imodel = this.ctx.model.Institution;
    this.cumodel = this.ctx.model.Companyuser;
  }

  // 重写创建方法
  async create(data) {
    const { name, phone, passwd, type, characterid } = data;
    console.log(data);
    assert(name && phone && passwd && type, '缺少部分信息项');
    assert(/^\d{11}$/i.test(phone), 'phone无效');
    const user = await this.model.findOne({ phone });
    if (user) {
      throw new BusinessError(ErrorCode.DATA_EXISTED);
    }
    const newdata = data;
    const pas = await this.createJwtPwd(passwd);
    newdata.passwd = pas;
    const res = await this.model.create(newdata);
    if (type === '1') {
      await this.imodel.create({ uid: res.id, name });
    }
    return res;
  }

  // 重写修改方法
  async update({ id }, data) {
    const { name, phone, passwd, type, characterid } = data;
    const user = await this.model.findById(id, '+passwd');
    if (name) {
      user.name = name;
    }
    if (phone) {
      user.phone = phone;
    }
    if (passwd) {
      const newpasswd = await this.createJwtPwd(passwd);
      user.passwd = newpasswd;
    }
    if (type) {
      user.type = type;
    }
    if (characterid) {
      user.characterid = characterid;
    }
    await user.save();
  }

  // 用户修改密码
  async uppasswd(data) {
    const { uid, oldpasswd, newpasswd } = data;
    assert(uid && oldpasswd && newpasswd, '缺少部分信息项');
    // 根据用户id查询其他用户表中是否存在相应数据
    const user = await this.model.findById(uid, '+passwd');
    // 如果用户不存在抛出异常
    if (!user) {
      throw new BusinessError(ErrorCode.USER_NOT_EXIST);
    }
    // 将用户输入的密码进行加密并与查询到的用户数据密码相比对
    const _oldpasswd = await this.createJwtPwd(oldpasswd);
    // 如果两个密码不一致抛出异常
    if (_oldpasswd !== user.passwd) {
      throw new BusinessError(ErrorCode.BAD_PASSWORD);
    }
    const _newpasswd = await this.createJwtPwd(newpasswd);
    user.passwd = _newpasswd;
    await user.save();
  }


  // 用户登录
  async login(data) {
    const { phone, passwd, type } = data;
    // 根据用户输入的手机号查询其他用户表中是否存在相应数据
    const user = await this.model.findOne({ phone });
    // 如果用户不存在抛出异常
    if (!user) {
      throw new BusinessError(ErrorCode.USER_NOT_EXIST);
    }
    const _user = await this.model.findOne({ phone }, '+passwd');
    // 将用户输入的密码进行加密并与查询到的用户数据密码相比对
    const pas = await this.createJwtPwd(passwd);
    if (type !== user.type) {
      throw new BusinessError(ErrorCode.ACCESS_DENIED);
    }
    // 如果两个密码不一致抛出异常
    if (pas !== _user.passwd) {
      throw new BusinessError(ErrorCode.BAD_PASSWORD);
    }
    // 取出用户的类型，根据用户类型返回相应信息
    return await this.createJwt(user);
  }

  // 创建登录Token
  async createJwtPwd(password) {
    const { secret, expiresIn, issuer } = this.config.jwt;
    const token = await jwt.sign(password, secret);
    return token;
  }

  // 创建登录Token
  async createJwt({ id, name, phone, type, characterid }) {
    const { secret, expiresIn = '1d', issuer = type } = this.config.jwt;
    const subject = phone;
    const _userid = id;
    let res = {};
    // 0-金控集团后台管理员，1-金融机构用户，2-政府用户
    if (type === '0') {
      res = { userid: _userid, name, type, uid: _userid, characterid };
    } else if (type === '1') {
      // 取得金融机构信息
      const institution = await this.imodel.findOne({ uid: _userid });
      if (institution) {
        res = { userid: institution.id, name, type, uid: _userid, characterid };
      } else {
        res = { name, type, uid: _userid, characterid };
      }
    } else if (type === '2') {
      res = { userid: _userid, name, type, uid: _userid, characterid };
    }
    const token = await jwt.sign(res, secret, { expiresIn, issuer, subject });
    return token;
  }

  async findUserByUserid(uid) {
    let user = await this.model.findById(uid);
    let newdata = {};
    if (user) {
      let type = '';
      // 用户类型，0-金控集团后台管理员，1-金融机构用户，2-政府用户
      if (user.type === '0') {
        type = '金控集团后台管理员';
      } else if (user.type === '1') {
        type = '金融机构用户';
      } else if (user.type === '2') {
        type = '政府用户';
      }
      newdata = { userid: user.id, name: user.name, type };
    } else {
      user = await this.cumodel.findById(uid);
      newdata = { userid: user.id, name: user.company_name, type: '企业用户' };
    }
    return newdata;
  }

}

module.exports = OtheruserService;