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<?php

namespace TUTOR_PRO;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

class Admin {

public function __construct() {
		/**
		 * Load Conditional Constructor based on if Tutor LMS wordpress.org plugin installed or not
		 *
		 * @since v.1.0.0
		 *
		 * @updated v.1.4.9
		 */
		if ( is_plugin_active( 'tutor/tutor.php' ) ) {
			$this->load_constructor();
		} else {
			$this->load_constructor_if_no_tutor_installed();
		}
	}

/**
	 * Constructor When TutorLMS regular version exists
	 */

public function load_constructor() {
		add_action( 'admin_bar_menu', array( $this, 'add_toolbar_items' ), 100 );
	}

/**
	 * Constructor for when TutorLMS regular version not installed...
	 */
	public function load_constructor_if_no_tutor_installed() {
		add_action( 'admin_menu', array( $this, 'register_menu' ) );
		add_action( 'admin_action_activate_tutor_free', array( $this, 'activate_tutor_free' ) );
		add_action( 'admin_init', array( $this, 'check_tutor_free_installed' ) );
		add_action( 'wp_ajax_install_tutor_plugin', array( $this, 'install_tutor_plugin' ) );
		// add_action('admin_action_install_tutor_free', array($this, 'install_tutor_plugin'));
	}

public function register_menu() {
		if ( ! defined( 'TUTOR_VERSION' ) ) {
			add_menu_page( __( 'Tutor LMS Pro', 'tutor-pro' ), __( 'Tutor LMS Pro', 'tutor-pro' ), 'manage_tutor_instructor', 'tutor-install', array( $this, 'install_activate_tutor_free' ), 'dashicons-welcome-learn-more', 2 );
		}
	}

public function install_activate_tutor_free() {
		include tutor_pro()->path . 'views/install-tutor.php';
	}

public function check_tutor_free_installed() {
		$tutor_file = WP_PLUGIN_DIR . '/tutor/tutor.php';

if ( file_exists( $tutor_file ) && ! is_plugin_active( 'tutor/tutor.php' ) ) {
			add_action( 'admin_notices', array( $this, 'free_plugin_installed_but_inactive_notice' ) );
		}
		if ( ! file_exists( $tutor_file ) ) {
			add_action( 'admin_notices', array( $this, 'free_plugin_not_installed' ) );
		}
	}

public function free_plugin_installed_but_inactive_notice() {
		?>
		<div class="notice notice-error tutor-install-notice">
			<div class="tutor-install-notice-inner">
				<div class="tutor-install-notice-icon">
					<img src="<?php echo esc_url( tutor_pro()->url . 'assets/images/tutor-logo.jpg' ); ?>" alt="">
				</div>
				<div class="tutor-install-notice-content">
					<h2><?php esc_html_e( 'Thanks for using Tutor LMS Pro', 'tutor-pro' ); ?></h2>
					<p><?php esc_html_e( 'You must have ', 'tutor-pro' ); ?>
						<a href="https://wordpress.org/plugins/tutor/" target="_blank">
							<?php esc_html_e( 'Tutor LMS ', 'tutor-pro' ); ?>
						</a>
						<?php esc_html_e( 'Free version installed and activated on this website in order to use Tutor LMS Pro.', 'tutor-pro' ); ?>
					</p>
					<a href="https://docs.themeum.com/tutor-lms/" target="_blank">
						<?php esc_html_e( 'Learn more about Tutor LMS', 'tutor-pro' ); ?>
					</a>
				</div>
				<div class="tutor-install-notice-button">
					<a class="button button-primary" href="<?php echo add_query_arg( array( 'action' => 'activate_tutor_free' ), admin_url() ); ?>">
						<?php esc_html_e( 'Activate Tutor LMS', 'tutor-pro' ); ?>
					</a>
				</div>
			</div>
		</div>
		<?php
	}

public function free_plugin_not_installed() {
		include ABSPATH . 'wp-admin/includes/plugin-install.php';
		?>
		<div class="notice notice-error tutor-install-notice">
			<div class="tutor-install-notice-inner">
				<div class="tutor-install-notice-icon">
					<img src="<?php echo tutor_pro()->url . 'assets/images/tutor-logo.jpg'; ?>" alt="">
				</div>
				<div class="tutor-install-notice-content">
					<h2>Thanks for using Tutor LMS Pro</h2>
					<p>You must have <a href="https://wordpress.org/plugins/tutor/" target="_blank">Tutor LMS </a> Free version installed and activated on this website in order to use Tutor LMS Pro.</p>
					<a href="https://docs.themeum.com/tutor-lms/" target="_blank">Learn more about Tutor LMS</a>
				</div>
				<div class="tutor-install-notice-button">
					<a class="install-tutor-button tutor-btn" data-slug="tutor" href="<?php echo add_query_arg( array( 'action' => 'install_tutor_free' ), admin_url() ); ?>">Install Tutor LMS</a>
				</div>
			</div>
			<div id="tutor_install_msg"></div>
		</div>
		<?php
	}

public function activate_tutor_free() {
		activate_plugin( 'tutor/tutor.php' );
	}

public function install_tutor_plugin() {
		tutor_utils()->checking_nonce();

include ABSPATH . 'wp-admin/includes/plugin-install.php';
		include ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';

if ( ! class_exists( 'Plugin_Upgrader' ) ) {
			include ABSPATH . 'wp-admin/includes/class-plugin-upgrader.php';
		}
		if ( ! class_exists( 'Plugin_Installer_Skin' ) ) {
			include ABSPATH . 'wp-admin/includes/class-plugin-installer-skin.php';
		}

$plugin = 'tutor';

$api = plugins_api(
			'plugin_information',
			array(
				'slug'   => $plugin,
				'fields' => array(
					'short_description' => false,
					'sections'          => false,
					'requires'          => false,
					'rating'            => false,
					'ratings'           => false,
					'downloaded'        => false,
					'last_updated'      => false,
					'added'             => false,
					'tags'              => false,
					'compatibility'     => false,
					'homepage'          => false,
					'donate_link'       => false,
				),
			)
		);

if ( is_wp_error( $api ) ) {
			wp_die( $api );
		}

$title = sprintf( __( 'Installing Plugin: %s' ), $api->name . ' ' . $api->version );
		$nonce = 'install-plugin_' . $plugin;
		$url   = 'update.php?action=install-plugin&plugin=' . urlencode( $plugin );

$upgrader = new \Plugin_Upgrader( new \Plugin_Installer_Skin( compact( 'title', 'url', 'nonce', 'plugin', 'api' ) ) );
		$upgrader->install( $api->download_link );
		die();
	}

/**
	 * @param $admin_bar
	 *
	 * @return mixed
	 *
	 * Add admin bar links frontend page edit.
	 *
	 * @since v.1.4.6
	 */

public function add_toolbar_items( $admin_bar ) {
		global $post;

$course_id        = (int) sanitize_text_field( tutor_utils()->array_get( 'post', $_GET ) );
		$course_post_type = tutor()->course_post_type;

if ( ! tutor_utils()->can_user_edit_course( get_current_user_id(), $course_id ) ) {
			return $admin_bar;
		}

if (
				( is_admin() && $post && $course_id && $post->post_type === $course_post_type ) ||
				( ! is_admin() && is_single() && $post && $post->post_type === $course_post_type )
			) {

$forntend_course_edit_link = tutor_utils()->course_edit_link( $post->ID );
			$admin_bar->add_menu(
				array(
					'id'    => 'tutor-frontend-course-builder',
					'title' => __( 'Edit With Frontend Course Builder', 'tutor-pro' ),
					'href'  => $forntend_course_edit_link,
					'meta'  => array(
						'title'  => __( 'Edit With Frontend Course Builder', 'tutor-pro' ),
						'target' => '_blank',
					),
				)
			);
		}

return $admin_bar;
	}

}