<?php
namespace ElementorPro\License;

use Elementor\Core\Admin\Admin_Notices;
use Elementor\Settings;
use ElementorPro\Core\Connect\Apps\Activate;
use ElementorPro\Plugin;

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

class Admin {

	const PAGE_ID = 'elementor-license';

	const LICENSE_KEY_OPTION_NAME = 'elementor_pro_license_key';
	const LICENSE_DATA_OPTION_NAME = '_elementor_pro_license_data';
	const LICENSE_DATA_FALLBACK_OPTION_NAME = self::LICENSE_DATA_OPTION_NAME . '_fallback';

	public static $updater = null;

	public static function get_errors_details() {
		$license_page_link = self::get_url();

		return [
			API::STATUS_EXPIRED => [
				'title' => __( 'Your License Has Expired', 'elementor-pro' ),
				'description' => sprintf( __( '<a href="%s" target="_blank">Renew your license today</a>, to keep getting feature updates, premium support and unlimited access to the template library.', 'elementor-pro' ), API::RENEW_URL ),
				'button_text' => __( 'Renew License', 'elementor-pro' ),
				'button_url' => API::RENEW_URL,
			],
			API::STATUS_DISABLED => [
				'title' => __( 'Your License Is Inactive', 'elementor-pro' ),
				'description' => __( '<strong>Your license key has been cancelled</strong> (most likely due to a refund request). Please consider acquiring a new license.', 'elementor-pro' ),
				'button_text' => __( 'Activate License', 'elementor-pro' ),
				'button_url' => $license_page_link,
			],
			API::STATUS_INVALID => [
				'title' => __( 'License Invalid', 'elementor-pro' ),
				'description' => __( '<strong>Your license key doesn\'t match your current domain</strong>. This is most likely due to a change in the domain URL of your site (including HTTPS/SSL migration). Please deactivate the license and then reactivate it again.', 'elementor-pro' ),
				'button_text' => __( 'Reactivate License', 'elementor-pro' ),
				'button_url' => $license_page_link,
			],
			API::STATUS_SITE_INACTIVE => [
				'title' => __( 'License Mismatch', 'elementor-pro' ),
				'description' => __( '<strong>Your license key doesn\'t match your current domain</strong>. This is most likely due to a change in the domain URL. Please deactivate the license and then reactivate it again.', 'elementor-pro' ),
				'button_text' => __( 'Reactivate License', 'elementor-pro' ),
				'button_url' => $license_page_link,
			],
		];
	}

	public static function deactivate() {
		API::deactivate_license();

		delete_option( self::LICENSE_KEY_OPTION_NAME );
		delete_option( self::LICENSE_DATA_OPTION_NAME );
		delete_option( self::LICENSE_DATA_FALLBACK_OPTION_NAME );
	}

	private static function get_hidden_license_key() {
		$input_string = self::get_license_key();

		$start = 5;
		$length = mb_strlen( $input_string ) - $start - 5;

		$mask_string = preg_replace( '/\S/', 'X', $input_string );
		$mask_string = mb_substr( $mask_string, $start, $length );
		$input_string = substr_replace( $input_string, $mask_string, $start, $length );

		return $input_string;
	}

	public static function get_updater_instance() {
		if ( null === self::$updater ) {
			self::$updater = new Updater();
		}

		return self::$updater;
	}

	public static function get_license_key() {
		return trim( get_option( self::LICENSE_KEY_OPTION_NAME ) );
	}

	public static function set_license_key( $license_key ) {
		return update_option( self::LICENSE_KEY_OPTION_NAME, $license_key );
	}

	public function action_activate_license() {
		check_admin_referer( 'elementor-pro-license' );

		if ( empty( $_POST['elementor_pro_license_key'] ) ) {
			wp_die( __( 'Please enter your license key.', 'elementor-pro' ), __( 'Elementor Pro', 'elementor-pro' ), [
				'back_link' => true,
			] );
		}

		$license_key = trim( $_POST['elementor_pro_license_key'] );

		$data = API::activate_license( $license_key );

		if ( is_wp_error( $data ) ) {
			wp_die( sprintf( '%s (%s) ', $data->get_error_message(), $data->get_error_code() ), __( 'Elementor Pro', 'elementor-pro' ), [
				'back_link' => true,
			] );
		}

		if ( API::STATUS_VALID !== $data['license'] ) {
			$error_msg = API::get_error_message( $data['error'] );
			wp_die( $error_msg, __( 'Elementor Pro', 'elementor-pro' ), [
				'back_link' => true,
			] );
		}

		self::set_license_key( $license_key );
		API::set_license_data( $data );

		wp_safe_redirect( $_POST['_wp_http_referer'] );
		die;
	}

	public function action_deactivate_license() {
		check_admin_referer( 'elementor-pro-license' );

		$this->deactivate();

		wp_safe_redirect( $_POST['_wp_http_referer'] );
		die;
	}

	public function register_page() {
		$menu_text = __( 'License', 'elementor-pro' );

		add_submenu_page(
			Settings::PAGE_ID,
			$menu_text,
			$menu_text,
			'manage_options',
			self::PAGE_ID,
			[ $this, 'display_page' ]
		);
	}

	public static function get_url() {
		return admin_url( 'admin.php?page=' . self::PAGE_ID );
	}

	public function display_page() {
		$license_key = self::get_license_key();

		$is_manual_mode = ( isset( $_GET['mode'] ) && 'manually' === $_GET['mode'] );

		if ( $is_manual_mode ) {
			$this->render_manually_activation_widget( $license_key );
			return;
		}

		?>
		<div class="wrap elementor-admin-page-license">
			<h2><?php _e( 'License Settings', 'elementor-pro' ); ?></h2>

			<form class="elementor-license-box" method="post" action="<?php echo esc_url( admin_url( 'admin-post.php' ) ); ?>">
				<?php wp_nonce_field( 'elementor-pro-license' ); ?>

				<?php if ( empty( $license_key ) ) : ?>

					<h3><?php _e( 'Activate License', 'elementor-pro' ); ?></h3>

					<p><?php echo $this->get_activate_message(); ?></p>

					<div class="elementor-box-action">
						<a class="button button-primary" href="<?php echo esc_url( $this->get_connect_url() ); ?>">
							<?php echo __( 'Connect & Activate', 'elementor-pro' ); ?>
						</a>
					</div>
				<?php else :
					$license_data = array(
						'success'=>true, 
						'license'=>'valid', 
						'item_name'=>'Elementor Pro', 
						'license_limit'=>999, 
						'site_count'=>1, 
						'expires'=>'2030-01-01 23:59:59', 
						'activations_left'=>998, 
						'payment_id'=>'12345',
						'customer_name'=>'*********', 
						'customer_email'=>'my@email.com', 
						'price_id'=>'1'
					); ?>
					<h3><?php _e( 'Status', 'elementor-pro' ); ?>:
						<?php if ( API::STATUS_EXPIRED === $license_data['license'] ) : ?>
							<span style="color: #ff0000; font-style: italic;"><?php _e( 'Expired', 'elementor-pro' ); ?></span>
						<?php elseif ( API::STATUS_SITE_INACTIVE === $license_data['license'] ) : ?>
							<span style="color: #ff0000; font-style: italic;"><?php _e( 'Mismatch', 'elementor-pro' ); ?></span>
						<?php elseif ( API::STATUS_INVALID === $license_data['license'] ) : ?>
							<span style="color: #ff0000; font-style: italic;"><?php _e( 'Invalid', 'elementor-pro' ); ?></span>
						<?php elseif ( API::STATUS_DISABLED === $license_data['license'] ) : ?>
							<span style="color: #ff0000; font-style: italic;"><?php _e( 'Disabled', 'elementor-pro' ); ?></span>
						<?php else : ?>
							<span style="color: #008000; font-style: italic;"><?php _e( 'Active', 'elementor-pro' ); ?></span>
						<?php endif; ?>

						<small>
							<a class="button" href="https://go.elementor.com/my-account/">
								<?php echo __( 'My Account', 'elementor-pro' ); ?>
							</a>
						</small>
					</h3>

					<?php if ( API::STATUS_EXPIRED === $license_data['license'] ) : ?>
					<p class="e-row-divider-bottom elementor-admin-alert elementor-alert-danger"><?php printf( __( '<strong>Your License Has Expired.</strong> <a href="%s" target="_blank">Renew your license today</a> to keep getting feature updates, premium support and unlimited access to the template library.', 'elementor-pro' ), 'https://go.elementor.com/renew/' ); ?></p>
				<?php endif; ?>

					<?php if ( API::STATUS_SITE_INACTIVE === $license_data['license'] ) : ?>
					<p class="e-row-divider-bottom elementor-admin-alert elementor-alert-danger"><?php echo __( '<strong>Your license key doesn\'t match your current domain</strong>. This is most likely due to a change in the domain URL of your site (including HTTPS/SSL migration). Please deactivate the license and then reactivate it again.', 'elementor-pro' ); ?></p>
				<?php endif; ?>

					<?php if ( API::STATUS_INVALID === $license_data['license'] ) : ?>
					<p class="e-row-divider-bottom elementor-admin-alert elementor-alert-info"><?php echo __( '<strong>Your license key doesn\'t match your current domain</strong>. This is most likely due to a change in the domain URL of your site (including HTTPS/SSL migration). Please deactivate the license and then reactivate it again.', 'elementor-pro' ); ?></p>
				<?php endif; ?>

					<p class="e-row-stretch e-row-divider-bottom">
						<span>
						<?php
						$connected_user = $this->get_connected_account();

						if ( $connected_user ) :
							echo sprintf( __( 'You\'re connected as %s.', 'elementor-pro' ), '<strong>' . $this->get_connected_account() . '</strong>' );
						endif;
						?>

						<?php echo __( 'Want to activate this website by a different license?', 'elementor-pro' ); ?>
						</span>
						<a class="button button-primary" href="<?php echo esc_url( $this->get_switch_license_url() ); ?>">
							<?php echo __( 'Switch Account', 'elementor-pro' ); ?>
						</a>
					</p>

					<p class="e-row-stretch">
						<span><?php echo __( 'Want to deactivate the license for any reason?', 'elementor-pro' ); ?></span>
						<a class="button" href="<?php echo esc_url( $this->get_deactivate_url() ); ?>">
							<?php echo __( 'Disconnect', 'elementor-pro' ); ?>
						</a>
					</p>
				<?php endif; ?>
			</form>
		</div>
		<?php
	}

	private function is_block_editor_page() {
		$current_screen = get_current_screen();

		if ( method_exists( $current_screen, 'is_block_editor' ) && $current_screen->is_block_editor() ) {
			return true;
		}

		if ( function_exists( 'is_gutenberg_page' ) && is_gutenberg_page() ) {
			return true;
		}

		return false;
	}

	/**
	 * @deprecated 2.9.0 Use ElementorPro\License\API::is_license_about_to_expire() instead
	 *
	 * @return bool
	 */
	public function is_license_about_to_expire() {
		return Api::is_license_about_to_expire();
	}

	public function admin_license_details() {
		if ( ! current_user_can( 'manage_options' ) ) {
			return;
		}

		if ( $this->is_block_editor_page() ) {
			return;
		}

		$renew_url = API::RENEW_URL;

		$license_key = self::get_license_key();

		/**
		 * @var Admin_Notices $admin_notices
		 */
		$admin_notices = Plugin::elementor()->admin->get_component( 'admin-notices' );

		if ( empty( $license_key ) ) {
			$admin_notices->print_admin_notice( [
				'title' => __( 'Welcome to Elementor Pro!', 'elementor-pro' ),
				'description' => $this->get_activate_message(),
				'button' => [
					'text' => '<i class="dashicons dashicons-update" aria-hidden="true"></i>' . __( 'Connect & Activate', 'elementor-pro' ),
					'url' => $this->get_connect_url(),
				],
			] );

			return;
		}

		$license_data = API::get_license_data();
		if ( empty( $license_data['license'] ) ) {
			return;
		}

		$errors = self::get_errors_details();

		if ( isset( $errors[ $license_data['license'] ] ) ) {
			$error_data = $errors[ $license_data['license'] ];

			$admin_notices->print_admin_notice( [
				'title' => $error_data['title'],
				'description' => $error_data['description'],
				'button' => [
					'text' => $error_data['button_text'],
					'url' => $error_data['button_url'],
				],
			] );

			return;
		}

		if ( API::is_license_active() ) {
			if ( API::is_license_about_to_expire() ) {
				$title = sprintf( __( 'Your License Will Expire in %s.', 'elementor-pro' ), human_time_diff( current_time( 'timestamp' ), strtotime( $license_data['expires'] ) ) );

				if ( isset( $license_data['renewal_discount'] ) && 0 < $license_data['renewal_discount'] ) {
					$description = sprintf( __( '<a href="%1$s" target="_blank">Renew your license today</a>, and get an exclusive, time-limited %2$s discount.', 'elementor-pro' ), $renew_url, $license_data['renewal_discount'] . '%' );
				} else {
					$description = sprintf( __( '<a href="%s" target="_blank">Renew now and enjoy updates</a>, support and Pro templates for another year.', 'elementor-pro' ), $renew_url );
				}

				$admin_notices->print_admin_notice( [
					'title' => $title,
					'description' => $description,
					'button' => [
						'text' => __( 'Renew License', 'elementor-pro' ),
						'url' => $renew_url,
					],