<?php
/**
 * Block Renderer — registers the PulseViews Gutenberg block.
 *
 * Block JSON lives in assets/blocks/views-block/block.json.
 * Dynamic rendering happens here in PHP for cache-correctness.
 *
 * @package PulseViews\Display
 */

declare( strict_types=1 );

namespace PulseViews\Display;


if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly.
}

use PulseViews\Database\ViewsRepository;

final class BlockRenderer {

	public function init(): void {
		add_action( 'init', [ $this, 'register_block' ] );
	}

	public function register_block(): void {
		if ( ! function_exists( 'register_block_type' ) ) {
			return;
		}

		register_block_type(
			PULSEVIEWS_DIR . 'assets/blocks/views-block',
			[
				'render_callback' => [ $this, 'render' ],
			]
		);
	}

	/**
	 * Server-side render callback.
	 *
	 * @param array<string, mixed> $attributes Block attributes from the editor.
	 * @param string               $content    Inner blocks HTML (unused).
	 */
	public function render( array $attributes, string $content = '' ): string {
		$post_id = (int) ( $attributes['postId'] ?? get_the_ID() );
		$style   = (int) ( $attributes['style'] ?? 1 );
		$period  = (string) ( $attributes['period'] ?? 'total' );
		$size    = (string) ( $attributes['size'] ?? 'md' );

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

		$repo  = new ViewsRepository();
		$views = $repo->get_post_views( $post_id, $period );

		return StyleRegistry::render( $style, $views, [
			'post_id' => $post_id,
			'size'    => $size,
		] );
	}
}