<?php
/**
 * Plugin Name:     Easy Digital Downloads - Purchase Limit
 * Plugin URI:      https://easydigitaldownloads.com/downloads/purchase-limit/
 * Description:     Allows site owners to specify max purchase limits on individual products.
 * Version:         1.3.1
 * Requires PHP:    7.1
 * Requires WP:     5.4
 * Author:          Easy Digital Downloads
 * Author URI:      https://easydigitaldownloads.com
 * Text Domain:     edd-purchase-limit
 *
 * @package         EDD\PurchaseLimit
 * @author          Easy Digital Downloads
 * @copyright       Copyright (c) 2022 Easy Digital Downloads
 */


// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}


if ( ! class_exists( 'EDD_Purchase_Limit' ) ) {

	/**
	 * Main EDD_Purchase_Limit class
	 *
	 * @since       1.0.0
	 */
	class EDD_Purchase_Limit {


		/**
		 * @var         EDD_Purchase_Limit $instance The one true EDD_Purchase_Limit
		 * @since       1.0.0
		 */
		private static $instance;


		/**
		 * Get active instance
		 *
		 * @access      public
		 * @since       1.0.1
		 * @return      object self::$instance The one true EDD_Purchase_Limit
		 */
		public static function instance() {
			if ( ! self::$instance ) {
				self::$instance = new EDD_Purchase_Limit();
				self::$instance->setup_constants();
				self::$instance->includes();
				self::$instance->load_textdomain();
				self::$instance->hooks();
			}

			return self::$instance;
		}


		/**
		 * Setup plugin constants
		 *
		 * @access      private
		 * @since       1.0.9
		 * @return      void
		 */
		private function setup_constants() {
			// Plugin version
			define( 'EDD_PURCHASE_LIMIT_VERSION', '1.3.1' );

			// Plugin path
			define( 'EDD_PURCHASE_LIMIT_DIR', plugin_dir_path( __FILE__ ) );

			// Plugin URL
			define( 'EDD_PURCHASE_LIMIT_URL', plugin_dir_url( __FILE__ ) );
		}


		/**
		 * Include necessary files
		 *
		 * @access      private
		 * @since       1.0.9
		 * @return      void
		 */
		private function includes() {
			// Include scripts
			require_once EDD_PURCHASE_LIMIT_DIR . 'includes/scripts.php';
			require_once EDD_PURCHASE_LIMIT_DIR . 'includes/functions.php';
			require_once EDD_PURCHASE_LIMIT_DIR . 'includes/shortcodes.php';

			if ( is_admin() ) {
				require_once EDD_PURCHASE_LIMIT_DIR . 'includes/admin/settings/register.php';
				require_once EDD_PURCHASE_LIMIT_DIR . 'includes/admin/downloads/meta-boxes.php';
			}
		}


		/**
		 * Run action and filter hooks
		 *
		 * @access      private
		 * @since       1.0.1
		 * @return      void
		 */
		private function hooks() {
			add_action(
				'edd_extension_license_init',
				function ( \EDD\Extensions\ExtensionRegistry $registry ) {
					$registry->addExtension( __FILE__, 'Purchase Limit', 60693, EDD_PURCHASE_LIMIT_VERSION );
				}
			);
		}


		/**
		 * Internationalization
		 *
		 * @access      public
		 * @since       1.0.0
		 * @return      void
		 */
		public function load_textdomain() {
			// Set filter for language directory
			$lang_dir = EDD_PURCHASE_LIMIT_DIR . '/languages/';
			$lang_dir = apply_filters( 'edd_purchase_limit_languages_directory', $lang_dir );

			// Traditional WordPress plugin locale filter
			$locale = apply_filters( 'plugin_locale', get_locale(), 'edd-purchase-limit' );
			$mofile = sprintf( '%1$s-%2$s.mo', 'edd-purchase-limit', $locale );

			// Setup paths to current locale file
			$mofile_local  = $lang_dir . $mofile;
			$mofile_global = WP_LANG_DIR . '/edd-purchase-limit/' . $mofile;

			if ( file_exists( $mofile_global ) ) {
				// Look in global /wp-content/languages/edd-purchase-limit/ folder
				load_textdomain( 'edd-purchase-limit', $mofile_global );
			} elseif ( file_exists( $mofile_local ) ) {
				// Look in local /wp-content/plugins/edd-purchase-limit/languages/ folder
				load_textdomain( 'edd-purchase-limit', $mofile_local );
			} else {
				// Load the default language files
				load_plugin_textdomain( 'edd-purchase-limit', false, $lang_dir );
			}
		}
	}
}

require_once __DIR__ . '/vendor/autoload.php';
\EDD\ExtensionUtils\v1\ExtensionLoader::loadOrQuit(
	__FILE__,
	'edd_purchase_limit',
	array(
		'php'                    => '7.1',
		'wp'                     => '5.4',
		'easy-digital-downloads' => '3.1.1',
	)
);

/**
 * The main function responsible for returning the one true EDD_Purchase_Limit
 * instance to functions everywhere
 *
 * @since       1.0.0
 * @return      \EDD_Purchase_Limit The one true EDD_Purchase_Limit
 */
function edd_purchase_limit() {
	return EDD_Purchase_Limit::instance();
}