<?php

// Exit if called directly
if ( ! defined( 'ABSPATH' ) ) {
    exit();
}
if ( ! class_exists( 'LR_Custom_Interface_Install' ) ) {
/**
 * class responsible for setting default settings for custom interface.
 */
class LR_Custom_Interface_Install {

    /**
     * Loads global custom interface options used for init and reset.
     *
     * @global custom interface_options
     */
    private static $lr_custom_interface_options;

    /**
     * Constructor
     */
    public function __construct() {
        add_action('wp_ajax_upload_custom_interface_image', array($this, 'upload_custom_interface_image'));
    }

    /**
     * Function for adding default custom interface settings at activation.
     */
    public static function set_default_options() {
        global $lr_custom_interface_settings;
	
        //Set custom interface options
        self::$lr_custom_interface_options = array(
            'custom_interface' => '',
            'providers' => array( 'amazon', 'aol', 'disqus', 'facebook', 'foursquare', 'github', 'google', 'hyves', 'instagram', 'kaixin', 'linkedin', 'live', 'livejournal', 'mailru', 'mixi', 'myspace', 'odnoklassniki', 'openid', 'orange', 'paypal', 'persona', 'qq', 'renren', 'salesforce', 'sinaweibo', 'stackexchange', 'steam', 'steamcommunity', 'tumblr', 'twitter', 'verisign', 'virgilio', 'vkontakte', 'wordpress', 'xing', 'yahoo' ),
            'selected_providers' => self::get_providers()
        );

        if ( ! get_option( 'LR_Custom_Interface_Settings' ) ) {
            update_option( 'LR_Custom_Interface_Settings', self::$lr_custom_interface_options ); 
        }
        $lr_custom_interface_settings = get_option( 'LR_Custom_Interface_Settings' );
        self::create_ci_image();
    }

    public static function create_ci_image() {
        $custom_interface_dir = LR_CUSTOM_INTERFACE_DIR . 'assets/images/custom_interface';

        require_once( LR_CUSTOM_INTERFACE_DIR . 'includes/helper/ajax_helper.php' );
        $ajax = new LR_CI_Ajax_Helper();

        $create_images = false;
        if ( ! file_exists( $custom_interface_dir ) ) {
            wp_mkdir_p( $custom_interface_dir );
            $create_images = true;
        }
        
        if ( is_writable( $custom_interface_dir ) ) {
            if ( is_multisite() ) {
                if ( is_main_site() ) {
                    global $loginradius_api_settings;
                    if ( isset( $loginradius_api_settings['multisite_config'] ) && $loginradius_api_settings['multisite_config'] == '1' ) {
                        $blogs = wp_get_sites();
                        foreach ( $blogs as $blog ) {
                            if ( ! file_exists( $custom_interface_dir . '/' . $blog['blog_id'] ) ) {
                                wp_mkdir_p( $custom_interface_dir . '/' . $blog['blog_id'] );
                                $ajax->move_default_files( $custom_interface_dir . '/' . $blog['blog_id'] );
                            }
                        }
                    }
                } else {
                    if (!file_exists($custom_interface_dir . '/' . get_current_blog_id())) {
                        wp_mkdir_p($custom_interface_dir . '/' . get_current_blog_id());
                        LR_CI_Ajax_Helper::move_default_files($custom_interface_dir . '/' . get_current_blog_id(), $default_interface_dir);
                    }
                }
            } else {
                if ( $create_images ) {
                    $ajax->move_default_files( $custom_interface_dir );
                }
            }
        }
    }

    public static function get_providers() {
        global $loginRadiusObject, $loginradius_api_settings, $lr_custom_interface_settings;

        if ( ! empty( $loginradius_api_settings['LoginRadius_apikey'] ) && $loginRadiusObject->loginradius_is_valid_guid( $loginradius_api_settings['LoginRadius_apikey'] ) ) {
            try {
                $providers = $loginRadiusObject->loginradius_get_providers( $loginradius_api_settings['LoginRadius_apikey'] );
            } catch(Exception $e) {
                return null;
            }
            
            foreach ( $providers['Providers'] as $key => $value ) {
                $options['providers'][] = $value['Name'];
            }
        } else {
            $options['providers'] = null;
        }

        return $options['providers'];
    }

    /**
     * Function to reset custom interface options to default.
     */
    public static function reset_lr_custom_interface_options() {
        global $lr_custom_interface_settings;

        require_once( LR_CUSTOM_INTERFACE_DIR . 'includes/helper/ajax_helper.php' );
        $ajax = new LR_CI_Ajax_Helper();
        $response = $ajax->reset_ci_folder();
        do_action( 'lr_reset_admin_action', 'LR_Custom_Interface_Settings', self::$lr_custom_interface_options );

        // Get custom interface settings
        $lr_custom_interface_settings = get_option('LR_Custom_Interface_Settings');
        return $response;
    }

    public function upload_custom_interface_image() {
        require_once( LR_CUSTOM_INTERFACE_DIR . 'includes/helper/ajax_helper.php' );
        $ajax = new LR_CI_Ajax_Helper();
        if ($ajax->check_max_upload()) {
            echo $ajax->upload_handler();
        } else {
            _e("php.ini does not allow file uploading.",'LoginRadius');
        }
        die();
    }

}

new LR_Custom_Interface_Install();
}