<?php
/**
 * Manual placement: [dayslot_checkout_field] shortcode, a Gutenberg block and an Elementor widget.
 * When the checkout page contains one of them, the automatic insertion is switched off.
 */

defined( 'ABSPATH' ) || exit;

/**
 * Does the current page place the picker manually?
 */
function dayslot_manual_placement() {
	static $memo = null;
	if ( null !== $memo ) {
		return $memo;
	}
	$memo = false;
	$post = get_queried_object();
	if ( $post instanceof WP_Post ) {
		$content = (string) $post->post_content;
		if ( has_shortcode( $content, 'dayslot_checkout_field' ) || ( function_exists( 'has_block' ) && has_block( 'dayslot/checkout-field', $post ) ) ) {
			$memo = true;
		} elseif ( false !== strpos( (string) get_post_meta( $post->ID, '_elementor_data', true ), '"widgetType":"dys-checkout-field"' ) ) {
			$memo = true;
		}
	}
	$memo = (bool) apply_filters( 'dayslot_manual_placement', $memo, $post );
	return $memo;
}

/**
 * Output of the shortcode, block and widget.
 */
function dayslot_checkout_field_html() {
	if ( ! dayslot_is_checkout_page() || ! dayslot_cart_needs_date() ) {
		return '';
	}
	ob_start();
	dayslot_render_box( true );
	return (string) ob_get_clean();
}

add_action(
	'init',
	function () {
		add_shortcode( 'dayslot_checkout_field', 'dayslot_checkout_field_html' );
		add_shortcode( 'edc_checkout_field', 'dayslot_checkout_field_html' ); // Old name (Event Date Calendar).

		if ( function_exists( 'register_block_type' ) ) {
			wp_register_script( 'dys-block-editor', dayslot_asset( 'assets/block-editor.js' ), array( 'wp-blocks', 'wp-element', 'wp-i18n' ), DAYSLOT_VERSION, true );
			register_block_type(
				'dayslot/checkout-field',
				array(
					'api_version'     => 2,
					'title'           => __( 'Delivery date & time', 'dayslot' ),
					'category'        => 'woocommerce',
					'editor_script'   => 'dys-block-editor',
					'render_callback' => 'dayslot_checkout_field_html',
					'supports'        => array( 'html' => false ),
				)
			);
			// Old name (Event Date Calendar): pages that already have the block keep working.
			register_block_type(
				'edc/checkout-field',
				array(
					'api_version'     => 2,
					'title'           => __( 'Delivery date & time', 'dayslot' ),
					'category'        => 'woocommerce',
					'render_callback' => 'dayslot_checkout_field_html',
					'supports'        => array(
						'html'     => false,
						'inserter' => false,
					),
				)
			);
		}
	}
);

/**
 * Elementor widget (only when Elementor is active).
 */
add_action(
	'elementor/widgets/register',
	function ( $widgets_manager ) {
		require_once DAYSLOT_DIR . 'includes/elementor-widget.php';
		require_once DAYSLOT_DIR . 'includes/elementor-widget-old.php';
		$widgets_manager->register( new DAYSLOT_Elementor_Widget() );
		$widgets_manager->register( new DAYSLOT_Elementor_Widget_Old() );
	}
);