<?php
namespace QWSpeedCache\Cache;

defined( 'ABSPATH' ) || exit;

/**
 * Per-post and per-post-type cache TTL overrides (hours).
 */
class Ttl {

	/**
	 * Effective lifespan in hours for the current request.
	 *
	 * @param array $settings Settings.
	 * @return int Hours (0 = use filemtime check disabled / default store TTL).
	 */
	public static function hours_for_request( array $settings ) {
		$default = isset( $settings['cache_lifespan'] ) ? (int) $settings['cache_lifespan'] : 10;
		if ( \QWSpeedCache\Cache\Status::query_ready() && function_exists( 'is_singular' ) && is_singular() ) {
			$post_id = (int) get_queried_object_id();
			if ( $post_id > 0 ) {
				$opts = get_post_meta( $post_id, \QWSpeedCache\Admin\PostMetabox::META, true );
				if ( is_array( $opts ) && isset( $opts['cache_ttl_hours'] ) && '' !== $opts['cache_ttl_hours'] && null !== $opts['cache_ttl_hours'] ) {
					$h = (int) $opts['cache_ttl_hours'];
					if ( $h >= 0 ) {
						return $h;
					}
				}

			}
		}
		// Neutral extension boundary; the default lifespan remains Free-owned.
		return max( 0, (int) apply_filters( 'qwsc_cache_ttl_hours', max( 0, $default ), $settings ) );
	}

}