<?php

if ( ! class_exists( 'Blockfold_Settings' ) ) {

	/**
	 * Class for getting config
	 */
	class Blockfold_Settings {

		private static $instance;
		private static $theme_mods;
		private static $config;
		public static $lang_string = '';

		/**
		 * Get only one instance
		 */
		public static function get_instance( $config ) {
			if ( ! isset( self::$instance ) ) {
				self::$instance = new self( $config );
			}

			return self::$instance;
		}


		private function __construct( $config ) {

			self::$config = $config;


		}

		/**
		 * Returns modified theme mod
		 *
		 * @param $key | meta or post meta key
		 *
		 * @return mixed
		 */

		public static function get( $key, $default = FALSE ) {

			$settings_local = self::_get_local_settings( $key, $default ); // local settings based on post meta

			$settings_global = get_theme_mod( $key, $default );

			if ( defined( 'ICL_LANGUAGE_CODE' ) ) {

				self::$lang_string = '_' . ICL_LANGUAGE_CODE; // adds language sufix if language is defined

				$settings_global = get_theme_mod( $key . self::$lang_string, $default );

			}

			return ( $settings_local !== FALSE ) ? $settings_local : $settings_global;

		}

		/**
		 * Returns post meta fields which don't have representation in the customizer
		 *
		 * @param $key
		 * @param bool $default
		 *
		 * @return bool|mixed
		 */
		public static function get_meta( $key, $default = FALSE ) {

			return self::_get_local_settings( $key, $default ); // local settings based on post meta

		}

		/**
		 * Returns post meta fields
		 *
		 * @param $key
		 * @param bool $default
		 *
		 * @return bool|mixed
		 */

		private static function _get_local_settings( $key, $default = FALSE ) {

			global $post;


			if ( isset( $post->ID ) ) {

				if ( function_exists( 'carbon_get_post_meta' ) ) {

					$settings_local = carbon_get_post_meta( $post->ID, $key ); // reruns null if not exists

				} else {

					$settings_local = get_post_meta( $post->ID, $key, TRUE ); // returns empty string


				}

			}


			if ( isset( $settings_local ) && ! empty( $settings_local ) ) {

				return (string) $settings_local;

			} else {

				return FALSE;

			}

		}


	}
}