<?php
/**
 * Uninstall Ajax Load More
 *
 * Deletes all the plugin data i.e.
 *  	1. Custom Tables.
 * 	2. Repeater Templates.
 * 	3. Cache Directory.
 * @since 4.1
 */

// Exit if accessed directly.
if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) exit;

include_once( 'ajax-load-more.php' );

global $wpdb;

if(is_multisite()){ // Multisite

	$blog_ids = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" );
   foreach ( $blog_ids as $blog_id ) {
      switch_to_blog( $blog_id );

		$alm_options = get_option( 'alm_settings' );
		if(isset($alm_options['_alm_uninstall'])){
			if($alm_options['_alm_uninstall'] == 1){
				alm_delete_templates();
				alm_drop_table();
				delete_option( 'alm_settings' ); // Delete settings
			}
		}
      restore_current_blog();

   }

} else { // Standard

	$alm_options = get_option( 'alm_settings' );
	if(isset($alm_options['_alm_uninstall'])){
		if($alm_options['_alm_uninstall'] == 1){
			alm_delete_templates();
			alm_drop_table();
			delete_option( 'alm_settings' ); // Delete settings
		}
	}

}


/**
 *  Delete all ALM tables
 */
function alm_delete_templates(){

	// Exit if `alm_repeater_path` has been modified outside of the plugin
	// We don't want to delete a directory in a theme so let's skip this
	if(has_filter('alm_repeater_path')){
		return false;
	}

	$dir = AjaxLoadMore::alm_get_repeater_path(); // /alm_templates directory

   if(!is_dir( $dir )) return; // Confirm directory exists

	// Loop all files in directory
	foreach (glob($dir."/*.*") as $filename) {
		// Delete files
		if (is_file($filename)) {
			unlink($filename);
		}
   }

   // Remove directory
   rmdir($dir);

}


/**
 *  Delete all ALM tables
 */
function alm_drop_table(){
	global $wpdb;
	$wpdb->query( "DROP TABLE IF EXISTS " . $wpdb->prefix . "alm" );
	$wpdb->query( "DROP TABLE IF EXISTS " . $wpdb->prefix . "alm_unlimited" );
}