<?php
/**
 * Files manager
 */

// If this file is called directly, abort.
if ( ! defined( 'WPINC' ) ) {
	die;
}

if ( ! class_exists( 'Jet_Data_Importer_Files_Manager' ) ) {

	/**
	 * Define Jet_Data_Importer_Files_Manager class
	 */
	class Jet_Data_Importer_Files_Manager {

		/**
		 * A reference to an instance of this class.
		 *
		 * @since 1.0.0
		 * @var   object
		 */
		private static $instance = null;

		/**
		 * Data inmporter file manager base path
		 * @var [type]
		 */
		private $base_path = false;

		/**
		 * Returns base path
		 *
		 * @return string
		 */
		public function base_path() {

			if ( ! $this->base_path ) {

				$upload_dir      = wp_upload_dir();
				$upload_base_dir = $upload_dir['basedir'];
				$this->base_path = trailingslashit( $upload_base_dir ) . 'jet-skins/';

				if ( ! is_dir( $this->base_path ) ) {
					mkdir( $this->base_path );
				}

			}

			return $this->base_path;

		}

		/**
		 * Returns base path
		 *
		 * @return string
		 */
		public function put_json( $relative_path = null, $data = '' ) {
			file_put_contents( $this->base_path() . $relative_path, json_encode( $data ) );
		}

		/**
		 * Returns base path
		 *
		 * @return string|bool
		 */
		public function get_json( $relative_path = null ) {

			$file = $this->base_path() . $relative_path;

			if ( ! is_file( $file ) ) {
				return false;
			}

			ob_start();
			include $file;
			$content = ob_get_clean();

			return json_decode( $content, true );

		}

		/**
		 * Delete file if exists
		 *
		 * @param  [type] $relative_path [description]
		 * @return [type]                [description]
		 */
		public function delete( $relative_path = null ) {

			$file = $this->base_path() . $relative_path;

			if ( is_file( $file ) ) {
				unlink( $file );
			}

		}

		/**
		 * Returns the instance.
		 *
		 * @since  1.0.0
		 * @return object
		 */
		public static function get_instance() {

			// If the single instance hasn't been set, set it now.
			if ( null == self::$instance ) {
				self::$instance = new self;
			}
			return self::$instance;
		}
	}

}

/**
 * Returns instance of Jet_Data_Importer_Files_Manager
 *
 * @return object
 */
function jdi_files_manager() {
	return Jet_Data_Importer_Files_Manager::get_instance();
}