// Next.js API route support: https://nextjs.org/docs/api-routes/introduction
import axios from 'axios';
import { Cookies } from 'react-cookie';
import cookie from 'cookie';
import moment from 'moment';
import jwt from 'jsonwebtoken';
import Redis from 'ioredis';
import md5 from 'md5';

import { cors } from '../../../../lib/cors';
import RedisClient from '../../../../lib/RedisClient';
const SmsCenter = require('../../../../lib/SmsCenter');

export default async function handler(req, res) 
{
	await cors(req, res);
	let { email, phone } = req.body;
	phone = phone.replace(/[^0-9.]/g, '');

	const key = md5(`phone_change_sms_code_${ phone }`);
	const key_block = md5(`phone_change_sms_block_${ phone }`);

	const existed_phone = await RedisClient.get(key_block);

	if(existed_phone === null)
	{
		await RedisClient.set(key_block, key_block, 'EX', 60);

		let code = ``;
		for(let i = 0; i < 6; i++) { code = `${ code }${ Math.floor(Math.random() * 10) }`; }

		await RedisClient.set(key, JSON.stringify({
			email, phone, code
		}), 'EX', 300);

		await SmsCenter.send(phone, code)
		.then(() => 
		{
			res.status(200).json({
				status: "success", 
			});
		})
		.catch((error) => 
		{
			console.error("SmsCenter.send", "catch");
			res.status(404).json();
		});
	}
	else
	{
		res.status(200).json({
			status: "await", 
		});
	}
}