import { createTransport } from 'nodemailer';
import { generateCode, isDev } from './common';

export interface SendEmailArgs {
  from: string;
  to: string;
  subject: string;
  html: string;
}

export async function sendEmail(args: SendEmailArgs) {
  const transport = createTransport({
    service: 'QQ',
    auth: {
      user: process.env.ADDRESS,
      pass: process.env.STMPCODE,
    },
  });
  try {
    const result = await transport.sendMail(args);
    return result;
  } catch {
    return false;
  }
}

/**
 * 发送邮件验证码
 * @param toAddress
 */
export async function sendCode(toAddress: string) {
  const code = generateCode();
  if (isDev()) {
    // 如果是开发环境直接返回code,不发送邮件
    return '111111';
  }
  const result = await sendEmail({
    from: `"认证邮件"<${process.env.ADDRESS}>`,
    to: toAddress,
    subject: '注册验证',
    html: `<h3>注册验证码是${code}</h3>`,
  });
  if (result) {
    return code;
  }
  return result;
}