<?php
namespace Agentsia_Agents;

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

final class Blocks {

	private static ?self $instance = null;

	public static function instance(): self {
		if ( self::$instance === null ) {
			self::$instance = new self();
		}
		return self::$instance;
	}

	public function register(): void {
		add_action( 'init', [ $this, 'register_blocks' ] );
		add_action( 'enqueue_block_editor_assets', [ $this, 'enqueue_editor_assets' ] );
	}

	public function enqueue_editor_assets(): void {
		$asset_handle = 'agentsia-agents-blocks';
		wp_register_script(
			$asset_handle,
			AGENTSIA_AGENTS_URL . 'assets/js/blocks.js',
			[ 'wp-blocks', 'wp-element', 'wp-block-editor', 'wp-components', 'wp-i18n', 'wp-server-side-render' ],
			AGENTSIA_AGENTS_VERSION,
			true
		);

		wp_set_script_translations( $asset_handle, 'agentsia-agents' );

		// Calendriers du compte → sélecteur du bloc « Rendez-vous » (liste mise en
		// cache 5 min par Api_Client ; repli sur un champ texte si aucun calendrier).
		$calendar_options = [];
		foreach ( Api_Client::list_booking_calendars() as $cal ) {
			if ( empty( $cal['slug'] ) ) {
				continue;
			}
			$calendar_options[] = [
				'slug'  => (string) $cal['slug'],
				'title' => (string) ( $cal['title'] ?? $cal['slug'] ),
			];
		}
		$settings = Plugin::get_settings();
		wp_localize_script( $asset_handle, 'AgentsiaBlocks', [
			'calendars'   => $calendar_options,
			'defaultSlug' => (string) ( $settings['default_booking_slug'] ?? '' ),
		] );

		wp_enqueue_script( $asset_handle );
	}

	public function register_blocks(): void {
		register_block_type( 'agentsia/chatbot', [
			'api_version'     => 2,
			'title'           => __( 'Chatbot Agentsia', 'agentsia-agents' ),
			'category'        => 'widgets',
			'icon'            => 'format-chat',
			'editor_script'   => 'agentsia-agents-blocks',
			'render_callback' => [ $this, 'render_chatbot_block' ],
			'attributes'      => [
				'mode'            => [ 'type' => 'string', 'default' => 'fullpage' ],
				'position'        => [ 'type' => 'string', 'default' => 'right' ],
				'configId'        => [ 'type' => 'string', 'default' => '' ],
				'headerText'      => [ 'type' => 'string', 'default' => '' ],
				'bubbleLabel'     => [ 'type' => 'string', 'default' => '' ],
				'accentColor'     => [ 'type' => 'string', 'default' => '' ],
				'containerHeight' => [ 'type' => 'string', 'default' => '600px' ],
			],
		] );

		register_block_type( 'agentsia/booking', [
			'api_version'     => 2,
			'title'           => __( 'Rendez-vous Agentsia', 'agentsia-agents' ),
			'category'        => 'widgets',
			'icon'            => 'calendar-alt',
			'editor_script'   => 'agentsia-agents-blocks',
			'render_callback' => [ $this, 'render_booking_block' ],
			'attributes'      => [
				'slug'   => [ 'type' => 'string', 'default' => '' ],
				'height' => [ 'type' => 'string', 'default' => '780' ],
			],
		] );

		register_block_type( 'agentsia/demo-button', [
			'api_version'     => 2,
			'title'           => __( 'Bouton démo Agentsia', 'agentsia-agents' ),
			'category'        => 'widgets',
			'icon'            => 'megaphone',
			'editor_script'   => 'agentsia-agents-blocks',
			'render_callback' => [ $this, 'render_demo_block' ],
			'attributes'      => [
				'label'  => [ 'type' => 'string', 'default' => '' ],
				'path'   => [ 'type' => 'string', 'default' => '/demo' ],
				'style'  => [ 'type' => 'string', 'default' => 'primary' ],
				'target' => [ 'type' => 'string', 'default' => '_self' ],
			],
		] );

		// Derniers articles d'une catégorie ou d'un auteur : même rendu que [agentsia_derniers_articles].
		register_block_type( 'agentsia/derniers-articles', [
			'api_version'     => 2,
			'title'           => __( 'Derniers articles', 'agentsia-agents' ),
			'category'        => 'widgets',
			'icon'            => 'list-view',
			'editor_script'   => 'agentsia-agents-blocks',
			'render_callback' => [ $this, 'render_latest_posts_block' ],
			'attributes'      => [
				'nombre'    => [ 'type' => 'integer', 'default' => 3 ],
				'titre'     => [ 'type' => 'string', 'default' => __( 'Derniers articles', 'agentsia-agents' ) ],
				'categorie' => [ 'type' => 'string', 'default' => '' ],
				'auteur'    => [ 'type' => 'string', 'default' => '' ],
			],
		] );
	}

	public function render_chatbot_block( array $attributes ): string {
		return Shortcodes::instance()->render_chatbot( [
			'mode'             => $attributes['mode'] ?? 'fullpage',
			'position'         => $attributes['position'] ?? 'right',
			'config_id'        => $attributes['configId'] ?? '',
			'header_text'      => $attributes['headerText'] ?? '',
			'bubble_label'     => $attributes['bubbleLabel'] ?? '',
			'accent_color'     => $attributes['accentColor'] ?? '',
			'container_height' => $attributes['containerHeight'] ?? '600px',
		] );
	}

	public function render_booking_block( array $attributes ): string {
		return Shortcodes::instance()->render_booking( [
			'slug'   => $attributes['slug'] ?? '',
			'height' => $attributes['height'] ?? '780',
		] );
	}

	public function render_latest_posts_block( array $attributes ): string {
		return Latest_Posts::instance()->render( [
			'nombre'    => (string) ( $attributes['nombre'] ?? 3 ),
			'titre'     => (string) ( $attributes['titre'] ?? __( 'Derniers articles', 'agentsia-agents' ) ),
			'categorie' => (string) ( $attributes['categorie'] ?? '' ),
			'auteur'    => (string) ( $attributes['auteur'] ?? '' ),
		] );
	}

	public function render_demo_block( array $attributes ): string {
		return Shortcodes::instance()->render_demo_cta( [
			'label'  => $attributes['label'] ?? '',
			'path'   => $attributes['path'] ?? '/demo',
			'style'  => $attributes['style'] ?? 'primary',
			'target' => $attributes['target'] ?? '_self',
		] );
	}
}