'use strict'

const random = require('string-random')

const validePhone = function(tel) {
    const judgePhone = /^((0\d{2,3}-\d{7,8})|(1[3584]\d{9}))$/;
    const st = new RegExp(judgePhone);
    if (!st.test(tel)) {
        return false
    }
    return true
}

const checkCode = async function(fastify, tel, code) {
    const { redis } = fastify
    const res = await redis.get(tel)
    if (null === res) {
        return {ec: -1, err: '验证码失效'}
    }
    console.log(res, code)
    if (parseInt(res) !== parseInt(code)) {
        return {ec: -2, err: '验证码不正确'}
    }
    return {ec: 0, err: ''}
}

const getRandomInt = function(max) {
    return random(max, {numbers: true, letters: false})
}

module.exports = {
    validePhone,
    getRandomInt,
    checkCode
}