<?php

namespace Faker\Provider\ko_KR;

class PhoneNumber extends \Faker\Provider\PhoneNumber
{
    //reference : https://ko.wikipedia.org/wiki/%EB%8C%80%ED%95%9C%EB%AF%BC%EA%B5%AD%EC%9D%98_%EC%A0%84%ED%99%94%EB%B2%88%ED%98%B8_%EC%B2%B4%EA%B3%84

    protected static $formats = [
        //local area phone format
        '070-####-####',
        '02-####-####',
        '03#-####-####',
        '04#-####-####',
        '05#-####-####',
        '06#-####-####',

        //cell phone format
        '010-####-####',

        //others: Intelligent Network(기간통신사업자)
        '15##-####',
        '16##-####',
        '18##-####',
    ];

    public function localAreaPhoneNumber()
    {
        $format = self::randomElement(array_slice(static::$formats, 0, 6));

        return self::numerify($this->generator->parse($format));
    }

    public function cellPhoneNumber()
    {
        $format = self::randomElement(array_slice(static::$formats, 6, 1));

        return self::numerify($this->generator->parse($format));
    }
}