<?php
/**
 * Class file for admin notices
 *
 * @package Accessibility_Checker
 */

namespace EDAC\Admin;

use EqualizeDigital\AccessibilityChecker\Fixes\FixesManager;

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

/**
 * Class that handles admin notices
 */
class Admin_Notices {

	/**
	 * Initialize the class and set its properties.
	 */
	public function __construct() {
	}

	/**
	 * Initialize class hooks.
	 *
	 * @return void
	 */
	public function init_hooks() {

		add_action( 'in_admin_header', [ $this, 'edac_remove_admin_notices' ], 1000 );
		add_action( 'in_admin_header', [ $this, 'hook_notices' ], 1001 );
		// Ajax handlers for notices.
		add_action( 'wp_ajax_edac_black_friday_notice_ajax', [ $this, 'edac_black_friday_notice_ajax' ] );
		add_action( 'wp_ajax_edac_gaad_presale_notice_ajax', [ $this, 'edac_gaad_presale_notice_ajax' ] );
		add_action( 'wp_ajax_edac_gaad_sale_notice_ajax', [ $this, 'edac_gaad_sale_notice_ajax' ] );
		add_action( 'wp_ajax_edac_review_notice_ajax', [ $this, 'edac_review_notice_ajax' ] );
		// Save fixes transient on save.
		add_action( 'updated_option', [ $this, 'set_fixes_transient_on_save' ] );
	}

	/**
	 * Hook Notices
	 *
	 * @since 1.9.3
	 *
	 * @return void
	 */
	public function hook_notices() {
		if ( ! Helpers::current_user_can_see_widgets_and_notices() ) {
			return;
		}

		add_action( 'admin_notices', [ $this, 'edac_black_friday_notice' ] );
		add_action( 'admin_notices', [ $this, 'edac_gaad_presale_notice' ] );
		add_action( 'admin_notices', [ $this, 'edac_gaad_sale_notice' ] );
		add_action( 'admin_notices', [ $this, 'edac_review_notice' ] );
	}

	/**
	 * Remove Admin Notices
	 *
	 * @return void
	 */
	public function edac_remove_admin_notices() {

		$current_screen = get_current_screen();
		if ( ! $current_screen || ! isset( $current_screen->id ) ) {
			return;
		}
		$screens = [
			'toplevel_page_accessibility_checker',
			'accessibility-checker_page_accessibility_checker_issues',
			'accessibility-checker_page_accessibility_checker_ignored',
			'accessibility-checker_page_accessibility_checker_settings',
		];

		/**
		 * Filter the screens where admin notices should be removed.
		 *
		 * @since 1.14.0
		 *
		 * @param array $screens The screens where admin notices should be removed.
		 */
		$screens = apply_filters( 'edac_filter_remove_admin_notices_screens', $screens );
		if ( ! is_array( $screens ) ) {
			$screens = [];
		}

		if ( in_array( $current_screen->id, $screens, true ) ) {
			remove_all_actions( 'admin_notices' );
			remove_all_actions( 'all_admin_notices' );
		}
	}

	/**
	 * Black Friday Admin Notice
	 *
	 * @return void
	 */
	public function edac_black_friday_notice() {

		// Check if the notice has been dismissed.
		if ( absint( get_option( 'edac_black_friday_2026_notice_dismiss', 0 ) ) ) {
			return;
		}

		// Show from November 23 to December 02.
		$current_date = date_i18n( 'Ymd' ); // Use date_i18n for localization.
		$start_date   = '20261123';
		$end_date     = '20261202';

		if ( $current_date >= $start_date && $current_date <= $end_date ) {

			// Get the promotional message from a separate function/file.
			$message = $this->edac_get_black_friday_message();

			// Output the message with appropriate sanitization.
			echo wp_kses_post( $message );

		}
	}

	/**
	 * Work out which Black Friday audience the current site belongs to.
	 *
	 * An expired Pro license is Lapsed. Without Pro active, or without a usable license (no key,
	 * disabled, revoked or invalid), the site is Free. A valid license is
	 * segmented by the plan stored in the license metadata (Professional, Small Business, SMB+,
	 * or Agency/Enterprise); SMB+ gets the Small Business notice. Licenses whose plan hasn't been
	 * recorded yet, which happens until the next daily license check after an update, and licenses
	 * that aren't activated on this site, are left without a notice rather than guessed.
	 *
	 * @return string One of 'free', 'lapsed', 'professional', 'smb', 'agency', or an empty string
	 *                when the audience can't be determined and no notice should show.
	 */
	public function edac_get_black_friday_segment() {

		$pro_status = (string) get_option( 'edacp_license_status', '' );

		if ( 'expired' === $pro_status ) {
			$expired_plan = \EqualizeDigital\AccessibilityChecker\MyDot\Connector::get_license_plan_or_last_known();

			return in_array( $expired_plan, [ 'agency', 'enterprise' ], true ) ? 'agency' : 'lapsed';
		}

		if ( ! defined( 'EDACP_VERSION' ) ) {
			return 'free';
		}

		if ( 'valid' === $pro_status ) {
			switch ( \EqualizeDigital\AccessibilityChecker\MyDot\Connector::get_license_plan() ) {
				case 'professional':
					return 'professional';
				case 'small-business':
				case 'small-business-plus':
					return 'smb';
				case 'agency':
				case 'enterprise':
					return 'agency';
				default:
					return '';
			}
		}

		// A license that isn't activated on this site can't be judged, so no notice.
		if ( in_array( $pro_status, [ 'inactive', 'site_inactive' ], true ) ) {
			return '';
		}

		// Pro is active but has no usable license: no key, or one that is disabled, revoked or invalid.
		return 'free';
	}

	/**
	 * Get Black Friday Promo Message
	 *
	 * @return string Empty when the current site's audience shouldn't see a notice.
	 */
	public function edac_get_black_friday_message() {

		$segment = $this->edac_get_black_friday_segment();

		$presale_url = 'https://my.equalizedigital.com/support/pre-sale-questions/';
		$pricing_url = 'https://equalizedigital.com/accessibility-checker/pricing/';
		$account_url = 'https://my.equalizedigital.com/';

		$new_code      = 'BF2674B96A3C';
		$pro_code      = 'BF26856B22FF';
		$smb_code      = 'BF2622E6189C';
		$presale_label = __( 'Ask a Pre-Sale Question', 'accessibility-checker' );
		$upgrade_label = __( 'Upgrade Now', 'accessibility-checker' );

		switch ( $segment ) {
			case 'free':
				$heading = __( '🎉 Black Friday special: save 20% and get a free course! 🎉', 'accessibility-checker' );
				$body    = __( 'Scan custom post types and archive pages, see every issue in one place, and get enhanced email reports. Upgrade between November 23rd and December 2nd to save 20% and get a free course of your choice.', 'accessibility-checker' );
				$buttons = [
					[ $presale_label, $presale_url, 'BlackFriday26-free-presale' ],
					[ $upgrade_label, add_query_arg( 'discount', $new_code, $pricing_url ), 'BlackFriday26-free-pricing' ],
				];
				break;
			case 'lapsed':
				$heading = __( '👋 Welcome back: 20% off Accessibility Checker Pro + a free course! 🎉', 'accessibility-checker' );
				$body    = __( 'Accessibility Checker is way different than you remember. Renew between November 23rd and December 2nd to save 20% and pick a free course.', 'accessibility-checker' );
				$buttons = [
					[ $presale_label, $presale_url, 'BlackFriday26-lapsed-presale' ],
					[ __( 'Renew Now', 'accessibility-checker' ), add_query_arg( 'discount', $new_code, $account_url ), 'BlackFriday26-lapsed-renew' ],
				];
				break;
			case 'professional':
				$heading = __( '🎉 Black Friday: Save 25% on your upgrade to Small Business! 🎉', 'accessibility-checker' );
				$body    = __( 'Get 5 site licenses, Audit History, CSV Export, and access to biweekly office hours, with 25% off when you upgrade from November 23rd to December 2nd.', 'accessibility-checker' );
				$buttons = [
					[
						$upgrade_label,
						add_query_arg(
							[
								'discount' => $pro_code,
								'pro'      => 'true',
							],
							$account_url 
						),
						'BlackFriday26-pro-upgrade',
					],
				];
				break;
			case 'smb':
				$heading = __( '🎉 Black Friday: Save 25% on your upgrade! 🎉', 'accessibility-checker' );
				$body    = __( 'Need more licenses? Upgrade to SMB+ for 10 sites, or go bigger with Agency for 25 sites, Multisite tools, and VIP support.', 'accessibility-checker' );
				$buttons = [
					[ __( 'Upgrade & Save 25%', 'accessibility-checker' ), add_query_arg( 'discount', $smb_code, $account_url ), 'BlackFriday26-smb-upgrade' ],
				];
				break;
			default:
				// Agency licenses get a 1:1 email instead of a banner, and unknown states show nothing.
				return '';
		}

		// Construct the promotional message.
		$message  = '<div class="edac_black_friday_notice notice notice-info is-dismissible">';
		$message .= '<p><strong>' . preg_replace( '/[\x{1F300}-\x{1FAFF}\x{2600}-\x{27BF}\x{FE0F}]+/u', '<span aria-hidden="true">$0</span>', esc_html( $heading ) ) . '</strong><br />';
		$message .= esc_html( $body ) . '<br />';

		$links = [];
		foreach ( $buttons as $button ) {
			$links[] = '<a class="button button-primary" href="' . esc_url( edac_link_wrapper( $button[1], 'admin-notice', $button[2], false ) ) . '">' . esc_html( $button[0] ) . '</a>';
		}
		$message .= implode( ' ', $links ) . '</p>';
		$message .= '</div>';

		return $message;
	}

	/**
	 * Black Friday Admin Notice Ajax
	 *
	 * @return void
	 *
	 *  - '-1' means that nonce could not be varified
	 *  - '-2' means that update option wasn't successful
	 */
	public function edac_black_friday_notice_ajax() {

		// nonce security.
		if ( ! isset( $_REQUEST['nonce'] ) || ! wp_verify_nonce( sanitize_key( $_REQUEST['nonce'] ), 'ajax-nonce' ) ) {

			$error = new \WP_Error( '-1', __( 'Permission Denied', 'accessibility-checker' ) );
			wp_send_json_error( $error );

		}

		$results = update_option( 'edac_black_friday_2026_notice_dismiss', true );
		// Delete old options if they exist.
		delete_option( 'edac_black_friday_2025_notice_dismiss' );
		delete_option( 'edac_black_friday_2024_notice_dismiss' );
		delete_option( 'edac_black_friday_2023_notice_dismiss' );

		if ( ! $results ) {

			$error = new \WP_Error( '-2', __( 'Update option wasn\'t successful', 'accessibility-checker' ) );
			wp_send_json_error( $error );

		}

		wp_send_json_success( wp_json_encode( $results ) );
	}

	/**
	 * GAAD Pre-Sale Notice
	 *
	 * Displays May 13–19 to build awareness of Global Accessibility Awareness Day
	 * and tease the upcoming flash sale.
	 *
	 * @return void
	 */
	public function edac_gaad_presale_notice() {

		// Check if the notice has been dismissed.
		if ( absint( get_option( 'edac_gaad_presale_notice_dismiss_2026', 0 ) ) ) {
			return;
		}

		$current_date = gmdate( 'Y-m-d' );
		$start_date   = '2026-05-13';
		$end_date     = '2026-05-19';

		if ( $current_date >= $start_date && $current_date <= $end_date ) {
			echo wp_kses_post( $this->edac_get_gaad_presale_message() );
		}
	}

	/**
	 * Get GAAD Pre-Sale Message
	 *
	 * Awareness-focused copy shown May 13–19 before the sale goes live.
	 *
	 * @return string
	 */
	public function edac_get_gaad_presale_message() {

		$message  = '<div class="edac_gaad_presale_notice notice notice-info is-dismissible">';
		$message .= '<p><strong>' . esc_html__( '⚡️ Global Accessibility Awareness Day Flash Sale', 'accessibility-checker' ) . '</strong><br />';

		if ( defined( 'EDACP_VERSION' ) && edac_is_pro() ) {
			$message .= esc_html__( 'Starting May 20th: Save 15% on accessibility courses and ArchiveWP with coupon code ', 'accessibility-checker' ) . '<code>GAAD2026</code>.<br />';
			$message .= esc_html__( '3 days only • May 20–22', 'accessibility-checker' ) . '</p><p>';
			$message .= '<a class="button button-primary" href="' . esc_url( edac_link_wrapper( 'https://equalizedigital.com/archivewp/', 'admin-notice', 'GAAD2026-archivewp-pre', false ) ) . '">' . esc_html__( 'View ArchiveWP Pricing', 'accessibility-checker' ) . '</a> ';
			$message .= '<a class="button button-primary" href="' . esc_url( edac_link_wrapper( 'https://equalizedigital.com/learn/courses/', 'admin-notice', 'GAAD2026-courses-pre', false ) ) . '">' . esc_html__( 'View Course Pricing', 'accessibility-checker' ) . '</a></p>';
		} else {
			$message .= esc_html__( 'Starting May 20th: Save 15% on Accessibility Checker Pro with coupon code ', 'accessibility-checker' ) . '<code>GAAD2026</code>.<br />';
			$message .= esc_html__( '3 days only • May 20–22', 'accessibility-checker' ) . '</p><p>';
			$message .= '<a class="button button-primary" href="' . esc_url( edac_link_wrapper( 'https://equalizedigital.com/accessibility-checker/pricing/', 'admin-notice', 'GAAD2026-pricing-pre', false ) ) . '">' . esc_html__( 'View Pricing', 'accessibility-checker' ) . '</a></p>';
		}

		$message .= '</div>';

		return $message;
	}

	/**
	 * GAAD Pre-Sale Notice Ajax
	 *
	 * @return void
	 *
	 *  - '-1' means that nonce could not be verified
	 *  - '-2' means that update option wasn't successful
	 */
	public function edac_gaad_presale_notice_ajax() {

		if ( ! isset( $_REQUEST['nonce'] ) || ! wp_verify_nonce( sanitize_key( $_REQUEST['nonce'] ), 'ajax-nonce' ) ) {
			$error = new \WP_Error( '-1', __( 'Permission Denied', 'accessibility-checker' ) );
			wp_send_json_error( $error );
		}

		$results = update_option( 'edac_gaad_presale_notice_dismiss_2026', true );

		if ( ! $results ) {
			$error = new \WP_Error( '-2', __( 'Update option wasn\'t successful', 'accessibility-checker' ) );
			wp_send_json_error( $error );
		}

		wp_send_json_success( wp_json_encode( $results ) );
	}

	/**
	 * GAAD Sale Notice
	 *
	 * Displays May 20–22 during the active flash sale.
	 *
	 * @return void
	 */
	public function edac_gaad_sale_notice() {

		// Check if the notice has been dismissed.
		if ( absint( get_option( 'edac_gaad_sale_notice_dismiss_2026', 0 ) ) ) {
			return;
		}

		$current_date = gmdate( 'Y-m-d' );
		$start_date   = '2026-05-20';
		$end_date     = '2026-05-22';

		if ( $current_date >= $start_date && $current_date <= $end_date ) {
			echo wp_kses_post( $this->edac_get_gaad_sale_message() );
		}
	}

	/**
	 * Get GAAD Sale Message
	 *
	 * Urgency-focused copy shown May 20–22 while the sale is live.
	 *
	 * @return string
	 */
	public function edac_get_gaad_sale_message() {

		$message  = '<div class="edac_gaad_sale_notice notice notice-info is-dismissible">';
		$message .= '<p><strong>' . esc_html__( '⚡️ Global Accessibility Awareness Day Flash Sale', 'accessibility-checker' ) . '</strong><br />';

		if ( defined( 'EDACP_VERSION' ) && edac_is_pro() ) {
			$message .= esc_html__( 'Save 15% on accessibility courses and ArchiveWP with coupon code ', 'accessibility-checker' ) . '<code>GAAD2026</code>.<br />';
			$message .= esc_html__( 'Limited-time offer • Ends May 22nd', 'accessibility-checker' ) . '</p><p>';
			$message .= '<a class="button button-primary" href="' . esc_url( edac_link_wrapper( 'https://equalizedigital.com/archivewp/?discount=GAAD2026&pro=true', 'admin-notice', 'GAAD2026-archivewp', false ) ) . '">' . esc_html__( 'View ArchiveWP Pricing', 'accessibility-checker' ) . '</a> ';
			$message .= '<a class="button button-primary" href="' . esc_url( edac_link_wrapper( 'https://equalizedigital.com/learn/courses/?discount=GAAD2026&pro=true', 'admin-notice', 'GAAD2026-courses', false ) ) . '">' . esc_html__( 'View Course Pricing', 'accessibility-checker' ) . '</a></p>';
		} else {
			$message .= esc_html__( '3 days only: Save 15% when you upgrade to Accessibility Checker Pro with coupon code ', 'accessibility-checker' ) . '<code>GAAD2026</code>.<br />';
			$message .= esc_html__( 'Limited-time offer • Ends May 22nd', 'accessibility-checker' ) . '</p><p>';
			$message .= '<a class="button button-primary" href="' . esc_url( edac_link_wrapper( 'https://equalizedigital.com/accessibility-checker/pricing/?discount=GAAD2026', 'admin-notice', 'GAAD2026-pricing', false ) ) . '">' . esc_html__( 'Upgrade Now', 'accessibility-checker' ) . '</a></p>';
		}

		$message .= '</div>';

		return $message;
	}

	/**
	 * GAAD Sale Notice Ajax
	 *
	 * @return void
	 *
	 *  - '-1' means that nonce could not be verified
	 *  - '-2' means that update option wasn't successful
	 */
	public function edac_gaad_sale_notice_ajax() {

		if ( ! isset( $_REQUEST['nonce'] ) || ! wp_verify_nonce( sanitize_key( $_REQUEST['nonce'] ), 'ajax-nonce' ) ) {
			$error = new \WP_Error( '-1', __( 'Permission Denied', 'accessibility-checker' ) );
			wp_send_json_error( $error );
		}

		$results = update_option( 'edac_gaad_sale_notice_dismiss_2026', true );
		// Delete old option keys if they exist.
		delete_option( 'edac_gaad_notice_dismiss_2026' );
		delete_option( 'edac_gaad_notice_dismiss_2025' );
		delete_option( 'edac_gaad_notice_dismiss_2024' );
		delete_option( 'edac_gaad_notice_dismiss' );

		if ( ! $results ) {
			$error = new \WP_Error( '-2', __( 'Update option wasn\'t successful', 'accessibility-checker' ) );
			wp_send_json_error( $error );

		}

		wp_send_json_success( wp_json_encode( $results ) );
	}

	/**
	 * Review Admin Notice
	 *
	 * @return void
	 */
	public function edac_review_notice() {

		$option             = 'edac_review_notice';
		$edac_review_notice = get_option( $option );

		// exit if option is set to stop.
		if ( 'stop' === $edac_review_notice ) {
			return;
		}

		$transient                   = 'edac_review_notice_reminder';
		$edac_review_notice_reminder = get_transient( $transient );

		// first time if notice has never been shown wait 14 days.
		if ( false === $edac_review_notice_reminder && empty( $edac_review_notice ) ) {
			// if option isn't set and plugin has been active for more than 14 days show notice. This is for current users.
			if ( edac_days_active() > 14 ) {
				update_option( $option, 'play' );
			} else {
				// if plugin has been active less than 14 days set transient for 14 days.
				set_transient( $transient, true, 14 * DAY_IN_SECONDS );
				// set option to pause.
				update_option( $option, 'pause' );
			}
		}

		// if transient has expired and option is set to pause update option to play.
		if ( false === $edac_review_notice_reminder && 'pause' === $edac_review_notice ) {
			update_option( $option, 'play' );
		}

		// if option is not set to play exit.
		if ( get_option( $option ) !== 'play' ) {
			return;
		}

		?>
		<div class="notice notice-info edac-review-notice">
			<p>
				<?php esc_html_e( "Hello! Thank you for using Accessibility Checker as part of your accessibility toolkit. Since you've been using it for a while, would you please write a 5-star review of Accessibility Checker in the WordPress plugin directory? This will help increase our visibility so more people can learn about the importance of web accessibility. Thanks so much!", 'accessibility-checker' ); ?>
			</p>
			<p>
				<button class="edac-review-notice-review button button-small button-primary"><?php esc_html_e( 'Write A Review', 'accessibility-checker' ); ?></button>
				<button class="edac-review-notice-remind button button-small"><?php esc_html_e( 'Remind Me In Two Weeks', 'accessibility-checker' ); ?></button>
				<button class="edac-review-notice-dismiss button button-small"><?php esc_html_e( 'Never Ask Again', 'accessibility-checker' ); ?></button>
			</p>
		</div>
		<?php
	}

	/**
	 * Review Admin Notice Ajax
	 *
	 * @return void
	 *
	 *  - '-1' means that nonce could not be varified
	 *  - '-2' means that the review action value was not specified
	 *  - '-3' means that update option wasn't successful
	 */
	public function edac_review_notice_ajax() {

		// nonce security.
		if ( ! isset( $_REQUEST['nonce'] ) || ! wp_verify_nonce( sanitize_key( $_REQUEST['nonce'] ), 'ajax-nonce' ) ) {

			$error = new \WP_Error( '-1', __( 'Permission Denied', 'accessibility-checker' ) );
			wp_send_json_error( $error );

		}

		if ( ! isset( $_REQUEST['review_action'] ) ) {

			$error = new \WP_Error( '-2', __( 'The review action value was not set', 'accessibility-checker' ) );
			wp_send_json_error( $error );

		}

		$review_action = sanitize_text_field( wp_unslash( $_REQUEST['review_action'] ) );
		$results       = update_option( 'edac_review_notice', $review_action );
		if ( ! $results ) {
			$results = get_option( 'edac_review_notice' ) === $review_action;
		}

		if ( 'pause' === $review_action ) {
			set_transient( 'edac_review_notice_reminder', true, 14 * DAY_IN_SECONDS );
		}

		if ( ! $results ) {

			$error = new \WP_Error( '-3', __( 'Update option wasn\'t successful', 'accessibility-checker' ) );
			wp_send_json_error( $error );

		}

		wp_send_json_success( wp_json_encode( $results ) );
	}


	/**
	 * Save a transient to indicate that the fixes settings have been updated.
	 *
	 * @param string $option    The option name that was saved.
	 *
	 * @return void
	 */
	public function set_fixes_transient_on_save( $option ) {
		if ( ! class_exists( 'EqualizeDigital\AccessibilityChecker\Fixes\FixesManager' ) ) {
			return;
		}
		$fixes_settings = FixesManager::get_instance()->get_fixes_settings();
		$options_keys   = [];
		foreach ( $fixes_settings as $fix ) {
			$options_keys = array_merge( $options_keys, array_keys( $fix['fields'] ) );
		}
		if ( in_array( $option, $options_keys, true ) ) {
			// Set a custom transient as a flag.
			set_transient( 'edac_fixes_settings_saved', true, 60 );
		}
	}
}