<?php
namespace WPEventGenius\BlockTheme\Blocks\EventExport;

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

use WPEventGenius\BlockTheme\Blocks\BaseBlock;

/**
 * Event Export Block
 * 
 * Displays the "Add to Calendar" export button with calendar options.
 * This is a server-side rendered block for block themes.
 */
class Block extends BaseBlock {
	
	/**
	 * Constructor
	 */
	public function __construct() {
		parent::__construct( 'event-export', 'wp-event-genius/event-export' );
	}

	/**
	 * Render the block
	 *
	 * @param array    $attributes Block attributes
	 * @param string   $content   Block content
	 * @param WP_Block $block     Block instance
	 * @return string Rendered HTML
	 */
	public function render_block( $attributes, $content, $block ) {
		// Get event ID from attributes, block context, or current post
		$event_id = ! empty( $attributes['eventId'] ) ? intval( $attributes['eventId'] ) : 0;
		
		if ( empty( $event_id ) && ! empty( $block->context['postId'] ) ) {
			$event_id = intval( $block->context['postId'] );
		}
		
		if ( empty( $event_id ) ) {
			$event_id = get_the_ID();
		}

		// Verify this is an event post type
		if ( get_post_type( $event_id ) !== EVGE_EVENT_POST_TYPE ) {
			if ( current_user_can( 'edit_posts' ) ) {
				return '<div class="evge-block-notice">' . esc_html__( 'This block only works with event posts.', 'event-genius' ) . '</div>';
			}
			return '';
		}

		// Get event post object
		$event_post = new \WPEventGenius\Common\Event\EventPost( $event_id );
		
		// Set up registration counter if needed
		$factory = new \WPEventGenius\Common\Services\RegistrationObjectFactory();
		$event_post->set_registration_counter( $factory->create_registration_counter( $event_id, new \WPEventGenius\Common\Database() ) );

		// Only show if registration is enabled and export options are enabled
		if ( $event_post->get_allow_registration() !== 'enabled' || $event_post->get_show_export_options() !== 'enabled' ) {
			return '';
		}

		// Render the export HTML using the same method as the template
		return $event_post->list_export_html( 'evge-secondary evge-gray-button' );
	}
}
