<?php
/**
 * Registers the `[developersd_logo_slider]` shortcode.
 *
 * @package DeveloperSD_Logo_Slider
 */

defined( 'ABSPATH' ) || exit;

/**
 * Class DeveloperSD_LS_Shortcode
 */
class DeveloperSD_LS_Shortcode {

	/**
	 * Hook registration.
	 */
	public function __construct() {
		add_shortcode( 'developersd_logo_slider', array( $this, 'render' ) );
	}

	/**
	 * Shortcode callback.
	 *
	 * Supported attributes:
	 * - id        (required) Slider post ID.
	 * - autoplay  (optional) "true"/"false" override.
	 * - loop      (optional) "true"/"false" override.
	 * - nav       (optional) "true"/"false" override for arrow navigation.
	 * - dots      (optional) "true"/"false" override for pagination dots.
	 * - desktop   (optional) integer override for desktop slides per view.
	 * - tablet    (optional) integer override for tablet slides per view.
	 * - mobile    (optional) integer override for mobile slides per view.
	 *
	 * The slider's own saved settings remain the primary configuration
	 * source; shortcode attributes only override specific values.
	 *
	 * @param array|string $atts Shortcode attributes.
	 * @return string Rendered HTML, or an empty string if invalid.
	 */
	public function render( $atts ) {
		$atts = shortcode_atts(
			array(
				'id'       => 0,
				'slider_id' => 0, // Legacy Divi module compatibility (pre-1.0.11).
				'autoplay' => null,
				'loop'     => null,
				'nav'      => null,
				'dots'     => null,
				'desktop'  => null,
				'tablet'   => null,
				'mobile'   => null,
				'desktop_slides' => null,
				'tablet_slides'  => null,
				'mobile_slides'  => null,
				'gap'            => null,
				'navigation'     => null,
				'pagination'     => null,
			),
			$atts,
			'developersd_logo_slider'
		);

		$slider_id = absint( $atts['id'] );
		if ( ! $slider_id && ! empty( $atts['slider_id'] ) ) {
			$slider_id = absint( $atts['slider_id'] );
		}

		if ( ! $slider_id ) {
			return '';
		}

		$overrides = array();

		if ( null !== $atts['autoplay'] ) {
			$overrides['autoplay'] = DeveloperSD_LS_Security::sanitize_bool( $atts['autoplay'] );
		}
		if ( null !== $atts['loop'] ) {
			$overrides['loop'] = DeveloperSD_LS_Security::sanitize_bool( $atts['loop'] );
		}
		if ( null !== $atts['nav'] ) {
			$overrides['nav_show'] = DeveloperSD_LS_Security::sanitize_bool( $atts['nav'] );
		}
		if ( null !== $atts['dots'] ) {
			$overrides['dots_show'] = DeveloperSD_LS_Security::sanitize_bool( $atts['dots'] );
		}
		if ( null !== $atts['desktop'] ) {
			$overrides['slides_desktop'] = max( 1, absint( $atts['desktop'] ) );
		}
		if ( null !== $atts['tablet'] ) {
			$overrides['slides_tablet'] = max( 1, absint( $atts['tablet'] ) );
		}
		if ( null !== $atts['mobile'] ) {
			$overrides['slides_mobile'] = max( 1, absint( $atts['mobile'] ) );
		}

		// Legacy Divi module attributes used different names. Keep old pages
		// working after the Divi module moved to its own non-conflicting slug.
		foreach ( array(
			'desktop_slides' => 'slides_desktop',
			'tablet_slides'  => 'slides_tablet',
			'mobile_slides'  => 'slides_mobile',
			'gap'            => 'gap',
		) as $legacy_key => $setting_key ) {
			if ( null !== $atts[ $legacy_key ] && '' !== $atts[ $legacy_key ] ) {
				$overrides[ $setting_key ] = absint( $atts[ $legacy_key ] );
			}
		}

		foreach ( array( 'navigation' => 'nav_show', 'pagination' => 'dots_show' ) as $legacy_key => $setting_key ) {
			if ( null !== $atts[ $legacy_key ] && 'default' !== $atts[ $legacy_key ] && '' !== $atts[ $legacy_key ] ) {
				$overrides[ $setting_key ] = in_array( $atts[ $legacy_key ], array( 'on', 'yes', '1', 'true' ), true );
			}
		}

		return DeveloperSD_LS_Frontend::escape_slider_html( DeveloperSD_LS_Frontend::render( $slider_id, $overrides ) );
	}
}

new DeveloperSD_LS_Shortcode();