<?php
/**
 * Front-end template loading and asset registration.
 *
 * @package Aims_Infosoft_LMS
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Wires up front-end template overrides and enqueues front-end assets.
 */
class AIMSLMS_Frontend {

	/**
	 * Hook template loading and asset enqueueing.
	 */
	public function __construct() {
		add_filter( 'template_include', array( $this, 'load_templates' ) );
		add_action( 'wp_enqueue_scripts', array( $this, 'assets' ), 20 );
	}

	/**
	 * Enqueue front-end styles/scripts.
	 */
	public function assets() {
		wp_enqueue_style(
			'aimslms-frontend',
			AIMSLMS_PLUGIN_URL . 'public/css/aimslms-frontend.css',
			array(),
			AIMSLMS_VERSION
		);

		wp_enqueue_script(
			'aimslms-frontend',
			AIMSLMS_PLUGIN_URL . 'public/js/aimslms-frontend.js',
			array( 'jquery' ),
			AIMSLMS_VERSION,
			true
		);

		wp_enqueue_script(
			'aimslms-video-player',
			AIMSLMS_PLUGIN_URL . 'public/js/aimslms-video-player.js',
			array( 'jquery' ),
			AIMSLMS_VERSION,
			true
		);

		wp_enqueue_script(
			'aimslms-lesson-progress',
			AIMSLMS_PLUGIN_URL . 'public/js/aimslms-lesson-progress.js',
			array( 'jquery' ),
			AIMSLMS_VERSION,
			true
		);

		wp_localize_script(
			'aimslms-lesson-progress',
			'AIMSLMS_PUBLIC',
			array(
				'ajax'  => admin_url( 'admin-ajax.php' ),
				'nonce' => wp_create_nonce( 'aimslms_public_nonce' ),
			)
		);
	}

	/**
	 * Swap in the course/lesson single templates when applicable.
	 *
	 * @param string $template Template path WordPress would otherwise load.
	 * @return string Template path to load.
	 */
	public function load_templates( $template ) {

		$course = is_singular( 'aimslms_course' );
		$lesson = get_query_var( 'aimslms_lesson' );

		if ( $course && ! $lesson ) {

			return AIMSLMS_PLUGIN_DIR . 'public/templates/course-single.php';
		}

		if ( $course && $lesson ) {
			return AIMSLMS_PLUGIN_DIR . 'public/templates/lesson-single.php';
		}

		return $template;
	}
}