<?php

// Preventing to direct access
defined( 'ABSPATH' ) OR die( 'Direct access not acceptable!' );


class WWS_QR_Generator {

    public function __construct() {

        add_shortcode( 'wws-qr', array( $this, 'qr_display' ) );

    }


    public function qr_display( $atts ) {
        
        $a = shortcode_atts( array(
            'qr'    => null,
            'size'  => '150',
            'text'  => 'Scan QR to talk us via WhatsApp',
        ), $atts );

        $upload_dir = wp_upload_dir();
        $qr         = $upload_dir['baseurl'] . '/wws-qr-images/' . $a['qr'];


        ob_start();
        require WWS_PLUGIN_PATH . 'templates/wws-qr-template.php';
        return ob_get_clean();

    }

    public static function generate( $qr_link = '', $qr_size = '1000' ) {

        $upload_dir = wp_upload_dir();

        if ( ! file_exists( $upload_dir['basedir'] . '/wws-qr-images' ) ) {
            mkdir( $upload_dir['basedir'] . '/wws-qr-images', 0777, true );
        }

        $url = 'http://api.qrserver.com/v1/create-qr-code/?data=' . esc_url( $qr_link ) . '&size=' . esc_html( $qr_size ) . 'x' . $qr_size ;
        $dir = $upload_dir['basedir'] . '/wws-qr-images'; // Full Path
        $name = rand(100000, 999999).'.jpg';

        is_dir($dir) || @mkdir($dir) || die("Can't Create folder");
        copy($url, $dir . DIRECTORY_SEPARATOR . $name);

        return $name;

    }


} // end of WWS_QR_Generator

$wws_qr_generator = new WWS_QR_Generator;