<?php 
namespace App\Library;

use App\Coupon;
use Illuminate\Support\Str;

class CouponLibrary {
	public function generateRandomCodes($coupon, $number, $type,$id) {
		if(empty($coupon))
	    	$code = Str::random($number);
	    else
	    	$code = $coupon;

	    if($type == 'insert')
	    	$affected = Coupon::where('code', $code)->get();
	    else
	    	$affected = Coupon::where('code', $code)->where('id','!=',$id)->get();

	    if ($affected->count() > 0) {
	    	if(!empty($coupon)) {
	    		return 'coupon_code_exceed';
	    	}
	    	else
	        	$this->generateRandomCodes($coupon, $number);
	    }
	    return $code;
	}
}