<?php
defined( 'ABSPATH' ) || exit;

class ADCT_LLMS_Cron {

	public static function init() {
		add_action( ADCT_LLMS_Settings::CRON_HOOK, array( __CLASS__, 'run_scheduled' ) );
		add_action( 'save_post', array( __CLASS__, 'maybe_regenerate_on_save' ), 99, 3 );
	}

	public static function activate() {
		self::reschedule();
	}

	public static function deactivate() {
		wp_clear_scheduled_hook( ADCT_LLMS_Settings::CRON_HOOK );
		wp_clear_scheduled_hook( 'adct_llms_license_daily_check' );
	}

	public static function reschedule() {
		wp_clear_scheduled_hook( ADCT_LLMS_Settings::CRON_HOOK );

		$settings = ADCT_LLMS_Settings::get();
		$schedule = $settings['auto_regenerate'] ?? 'weekly';

		if ( 'daily' === $schedule ) {
			wp_schedule_event( time() + HOUR_IN_SECONDS, 'daily', ADCT_LLMS_Settings::CRON_HOOK );
		} elseif ( 'weekly' === $schedule ) {
			wp_schedule_event( time() + HOUR_IN_SECONDS, 'weekly', ADCT_LLMS_Settings::CRON_HOOK );
		}
	}

	public static function run_scheduled() {
		ADCT_LLMS_File_Writer::regenerate_all();
	}

	public static function maybe_regenerate_on_save( $post_id, $post, $update ) {
		unset( $update );

		if ( wp_is_post_revision( $post_id ) || wp_is_post_autosave( $post_id ) ) {
			return;
		}

		$settings = ADCT_LLMS_Settings::get();

		if ( empty( $settings['enabled'] ) || 'publish' !== $settings['auto_regenerate'] ) {
			return;
		}

		if ( ! is_object( $post ) || 'publish' !== $post->post_status ) {
			return;
		}

		$allowed = array( 'page', 'post', 'product' );
		$allowed = array_merge( $allowed, array_keys( ADCT_LLMS_Settings::get_public_post_types() ) );

		if ( ! in_array( $post->post_type, $allowed, true ) ) {
			return;
		}

		if ( wp_next_scheduled( 'adct_llms_regenerate_single' ) ) {
			return;
		}

		wp_schedule_single_event( time() + 60, 'adct_llms_regenerate_single' );
	}
}

add_action( 'adct_llms_regenerate_single', array( 'ADCT_LLMS_File_Writer', 'regenerate_all' ) );