<?php
/**
 * Review notice for Agentorie Chat.
 *
 * Displays a non-intrusive admin notice asking users to leave a review
 * after they have used the plugin for some time.
 *
 * @package    Agentorie_Chat
 * @subpackage Agentorie_Chat/includes
 * @since      1.1.7
 */

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

/**
 * Class Agentorie_Review_Notice
 *
 * Handles the display and dismissal of the review request notice.
 *
 * @since 1.1.7
 */
class Agentorie_Review_Notice {

	/**
	 * Minimum days since activation before showing the notice.
	 *
	 * @var int
	 */
	const MIN_DAYS = 7;

	/**
	 * Minimum conversations before showing the notice.
	 *
	 * @var int
	 */
	const MIN_CONVERSATIONS = 20;

	/**
	 * Days to wait when user clicks "Remind me later".
	 *
	 * @var int
	 */
	const REMIND_DAYS = 7;

	/**
	 * User meta key for permanent dismissal.
	 *
	 * @var string
	 */
	const META_DISMISSED = 'agentorie_chat_review_dismissed';

	/**
	 * User meta key for "remind me later" timestamp.
	 *
	 * @var string
	 */
	const META_REMIND_AT = 'agentorie_chat_review_remind_at';

	/**
	 * Option key for first activation timestamp.
	 *
	 * @var string
	 */
	const OPTION_ACTIVATED_AT = 'agentorie_chat_activated_at';

	/**
	 * Whether the notice should be shown on this page load.
	 *
	 * @var bool|null
	 */
	private static $should_show = null;

	/**
	 * Initialize the review notice hooks.
	 *
	 * @since 1.1.7
	 * @return void
	 */
	public static function init() {
		add_action( 'admin_notices', array( __CLASS__, 'maybe_display_notice' ) );
		add_action( 'admin_enqueue_scripts', array( __CLASS__, 'enqueue_assets' ) );
		add_action( 'wp_ajax_agentorie_chat_review_dismiss', array( __CLASS__, 'handle_dismiss' ) );

		// Record activation time on first load (only once).
		if ( false === get_option( self::OPTION_ACTIVATED_AT ) ) {
			add_option( self::OPTION_ACTIVATED_AT, time() );
		}
	}

	/**
	 * Check all conditions to determine if notice should show.
	 *
	 * @since 1.1.7
	 * @return bool True if the notice should be displayed.
	 */
	private static function should_show() {
		if ( null !== self::$should_show ) {
			return self::$should_show;
		}

		self::$should_show = false;

		// Only show on Agentorie admin pages.
		$screen = get_current_screen();
		if ( ! $screen || false === strpos( $screen->id, 'agentorie' ) ) {
			return false;
		}

		// Only for administrators.
		if ( ! current_user_can( 'manage_options' ) ) {
			return false;
		}

		$user_id = get_current_user_id();

		// Permanently dismissed.
		if ( get_user_meta( $user_id, self::META_DISMISSED, true ) ) {
			return false;
		}

		// "Remind me later" still active.
		$remind_at = (int) get_user_meta( $user_id, self::META_REMIND_AT, true );
		if ( $remind_at > 0 && time() < $remind_at ) {
			return false;
		}

		// Check minimum days since activation.
		$activated_at = (int) get_option( self::OPTION_ACTIVATED_AT, 0 );
		if ( 0 === $activated_at || ( time() - $activated_at ) < ( self::MIN_DAYS * DAY_IN_SECONDS ) ) {
			return false;
		}

		// Check minimum conversations.
		$license_cache = get_transient( 'agentorie_chat_license_cache' );
		$conversations = 0;
		if ( is_array( $license_cache ) && isset( $license_cache['usage']['conversations'] ) ) {
			$conversations = (int) $license_cache['usage']['conversations'];
		}
		if ( $conversations < self::MIN_CONVERSATIONS ) {
			return false;
		}

		self::$should_show = true;
		return true;
	}

	/**
	 * Enqueue CSS and JS assets for the review notice.
	 *
	 * @since 1.1.7
	 * @param string $hook Current admin page hook.
	 * @return void
	 */
	public static function enqueue_assets( $hook ) {
		if ( ! self::should_show() ) {
			return;
		}

		wp_enqueue_style(
			'agentorie-chat-review-notice',
			AGENTORIE_CHAT_PLUGIN_URL . 'admin/css/review-notice.css',
			array(),
			AGENTORIE_CHAT_VERSION
		);

		wp_enqueue_script(
			'agentorie-chat-review-notice',
			AGENTORIE_CHAT_PLUGIN_URL . 'admin/js/review-notice.js',
			array(),
			AGENTORIE_CHAT_VERSION,
			true
		);

		wp_localize_script(
			'agentorie-chat-review-notice',
			'agentorieReviewNotice',
			array(
				'ajaxUrl' => admin_url( 'admin-ajax.php' ),
				'nonce'   => wp_create_nonce( 'agentorie_chat_review_dismiss' ),
			)
		);
	}

	/**
	 * Display the review notice if conditions are met.
	 *
	 * @since 1.1.7
	 * @return void
	 */
	public static function maybe_display_notice() {
		if ( ! self::should_show() ) {
			return;
		}

		self::render_notice();
	}

	/**
	 * Render the review notice HTML.
	 *
	 * @since 1.1.7
	 * @return void
	 */
	private static function render_notice() {
		$review_url = 'https://wordpress.org/support/plugin/agentorie-chat/reviews/#new-post';
		?>
		<div class="notice agentorie-review-notice" id="agentorie-review-notice">
			<div class="agentorie-review-icon">💬</div>
			<div class="agentorie-review-content">
				<p class="agentorie-review-title">
					<?php esc_html_e( 'Are you enjoying Agentorie Chat?', 'agentorie-chat' ); ?>
				</p>
				<p class="agentorie-review-text">
					<?php esc_html_e( 'Your feedback helps other WordPress users discover our plugin. It only takes a minute!', 'agentorie-chat' ); ?>
				</p>
				<div class="agentorie-review-actions">
					<a href="<?php echo esc_url( $review_url ); ?>" target="_blank" rel="noopener" class="button button-primary agentorie-review-btn" data-action="reviewed">
						<?php esc_html_e( 'Yes, I love it!', 'agentorie-chat' ); ?> ⭐
					</a>
					<button type="button" class="button agentorie-review-btn" data-action="later">
						<?php esc_html_e( 'Maybe later', 'agentorie-chat' ); ?>
					</button>
					<button type="button" class="button-link agentorie-review-btn agentorie-review-dismiss-link" data-action="dismissed">
						<?php esc_html_e( "Don't show again", 'agentorie-chat' ); ?>
					</button>
				</div>
			</div>
		</div>
		<?php
	}

	/**
	 * Handle the AJAX dismiss request.
	 *
	 * @since 1.1.7
	 * @return void
	 */
	public static function handle_dismiss() {
		if ( ! isset( $_POST['nonce'] ) || ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_POST['nonce'] ) ), 'agentorie_chat_review_dismiss' ) ) {
			wp_send_json_error( 'Invalid nonce', 403 );
		}

		if ( ! current_user_can( 'manage_options' ) ) {
			wp_send_json_error( 'Permission denied', 403 );
		}

		$user_id = get_current_user_id();
		$action  = isset( $_POST['dismiss_action'] ) ? sanitize_key( wp_unslash( $_POST['dismiss_action'] ) ) : 'dismissed';

		switch ( $action ) {
			case 'reviewed':
			case 'dismissed':
				// Permanent dismissal.
				update_user_meta( $user_id, self::META_DISMISSED, true );
				delete_user_meta( $user_id, self::META_REMIND_AT );
				break;

			case 'later':
				// Remind in X days.
				update_user_meta( $user_id, self::META_REMIND_AT, time() + ( self::REMIND_DAYS * DAY_IN_SECONDS ) );
				break;
		}

		wp_send_json_success();
	}
}