'use strict';
const Controller = require('egg').Controller;
const { CrudController } = require('naf-framework-mongoose-free/lib/controller');
const assert = require('assert');
const nodemailer = require('nodemailer');
const path = require('path');
const fs = require('fs');
const _ = require('lodash');

class EmailController extends Controller {
  constructor(ctx) {
    super(ctx);
    const { sender } = this.app.config;
    this.sender = sender;
  }
  /**
   * 发邮件
   * @param {String} config 发送人设置
   * @param {String} receiver 发送对象(邮箱)
   * @param {String} template 模板
   * @param {Object} params 模板参数
   */
  async sendEmail() {
    const { config, template, receiver, params } = this.ctx.request.body;
    assert(config, '缺少设置');
    assert(template, '缺少模板信息');
    assert(receiver, '缺少接收人信息');
    const sender = this.sender[config];
    const { mailContext, mailConfig } = this.getTemplate(template, sender, receiver, params);
    const transporter = nodemailer.createTransport(mailConfig);
    transporter.sendMail(mailContext, (error, info) => {
      if (error) console.log(error);
      else console.log(info);
    });
    this.ctx.ok({});
  }

  getTemplate(template, sender, receiver, params) {
    const p = path.resolve('template', `${template}.js`);
    const tl = require(p);
    const f = tl(sender, receiver, params);
    return f;
  }

  async error() {
    const { config, params } = this.ctx.request.body;
    const sender = this.sender[config];
    const receiver = this.app.config.devPerson;
    const { mailContext, mailConfig } = this.getTemplate('error', sender, receiver, params);
    const transporter = nodemailer.createTransport(mailConfig);
    transporter.sendMail(mailContext, (error, info) => {
      if (error) console.log(error);
      else console.log(info);
    });
    this.ctx.ok({});


  }
}
module.exports = CrudController(EmailController, {});