<?php
namespace Mapfield_Spots;

defined( 'ABSPATH' ) || exit;

/**
 * Content_Fields
 *
 * Renders the "Description" meta box for Map Types that enable it,
 * replacing the native editor (see CPT — 'editor' support never registered).
 * Uses wp_editor() bound to the standard `content` field so core's own
 * post_content save logic still applies; only the box's presentation changes.
 *
 * (A "Cost" field lived here too; removed — class-map-types.php still has a
 * spare config slot if it comes back.)
 */
class Content_Fields {

	const NONCE_ACTION = 'mapfield_spots_save_content_fields';
	const NONCE_NAME    = 'mapfield_spots_content_fields_nonce';

	public function __construct() {
		add_action( 'add_meta_boxes', array( $this, 'add_meta_boxes' ) );
		add_action( 'save_post', array( $this, 'save' ) );
	}

	public function add_meta_boxes(): void {
		foreach ( Map_Types::get_all() as $slug => $config ) {
			if ( empty( $config['fields']['description'] ) ) {
				continue;
			}
			add_meta_box(
				'mfs-description',
				__( 'Description', 'mapfield-spots' ),
				array( $this, 'render_description' ),
				CPT::post_type_slug( $slug ),
				'normal',
				'high'
			);
		}
	}

	public function render_description( \WP_Post $post ): void {
		wp_nonce_field( self::NONCE_ACTION, self::NONCE_NAME );
		wp_editor( $post->post_content, 'content', array(
			'textarea_name' => 'content', // keeps core's post_content save logic
			'media_buttons' => false,
			'teeny'         => false,
			'textarea_rows' => 12,
			'tinymce'       => array(
				'content_css' => MAPFIELD_SPOTS_URL . 'assets/editor-content.css',
			),
		) );
	}

	public function save( int $post_id ): void {
		$nonce = isset( $_POST[ self::NONCE_NAME ] ) ? sanitize_text_field( wp_unslash( $_POST[ self::NONCE_NAME ] ) ) : '';
		if ( ! wp_verify_nonce( $nonce, self::NONCE_ACTION ) ) {
			return;
		}
		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
			return;
		}
		if ( ! current_user_can( 'edit_post', $post_id ) ) {
			return;
		}
		// Nothing to save here yet; nonce/hook stay ready for a future field.
	}
}