<?php
/**
 * Custom Post Types Registration
 *
 * @package DDHH_Job_Manager
 */

// Exit if accessed directly.
defined( 'ABSPATH' ) || exit;

/**
 * Handles custom post type registration
 */
class DDHH_JM_Post_Types {

	/**
	 * Register custom post types
	 */
	public static function register() {
		self::register_job_offer();
		
		// Hook capability mapping filter
		add_filter( 'map_meta_cap', array( __CLASS__, 'map_job_offer_capabilities' ), 10, 4 );
	}

	/**
	 * Register job_offer custom post type
	 */
	private static function register_job_offer() {
		$labels = array(
			'name'                  => _x( 'Jobangebote', 'Post type general name', 'ddhh-job-manager' ),
			'singular_name'         => _x( 'Jobangebot', 'Post type singular name', 'ddhh-job-manager' ),
			'menu_name'             => _x( 'Jobs', 'Admin Menu text', 'ddhh-job-manager' ),
			'name_admin_bar'        => _x( 'Jobangebot', 'Add New on Toolbar', 'ddhh-job-manager' ),
			'add_new'               => __( 'Neu hinzufügen', 'ddhh-job-manager' ),
			'add_new_item'          => __( 'Neues Jobangebot', 'ddhh-job-manager' ),
			'new_item'              => __( 'Neues Jobangebot', 'ddhh-job-manager' ),
			'edit_item'             => __( 'Jobangebot bearbeiten', 'ddhh-job-manager' ),
			'view_item'             => __( 'Jobangebot ansehen', 'ddhh-job-manager' ),
			'all_items'             => __( 'Alle Jobangebote', 'ddhh-job-manager' ),
			'search_items'          => __( 'Jobangebote durchsuchen', 'ddhh-job-manager' ),
			'parent_item_colon'     => __( 'Übergeordnetes Jobangebot:', 'ddhh-job-manager' ),
			'not_found'             => __( 'Keine Jobangebote gefunden.', 'ddhh-job-manager' ),
			'not_found_in_trash'    => __( 'Keine Jobangebote im Papierkorb gefunden.', 'ddhh-job-manager' ),
			'featured_image'        => _x( 'Logo', 'Overrides the "Featured Image" phrase', 'ddhh-job-manager' ),
			'set_featured_image'    => _x( 'Logo festlegen', 'Overrides the "Set featured image" phrase', 'ddhh-job-manager' ),
			'remove_featured_image' => _x( 'Logo entfernen', 'Overrides the "Remove featured image" phrase', 'ddhh-job-manager' ),
			'use_featured_image'    => _x( 'Als Logo verwenden', 'Overrides the "Use as featured image" phrase', 'ddhh-job-manager' ),
			'archives'              => _x( 'Jobangebote Archiv', 'The post type archive label used in nav menus', 'ddhh-job-manager' ),
			'insert_into_item'      => _x( 'In Jobangebot einfügen', 'Overrides the "Insert into post" phrase', 'ddhh-job-manager' ),
			'uploaded_to_this_item' => _x( 'Zu diesem Jobangebot hochgeladen', 'Overrides the "Uploaded to this post" phrase', 'ddhh-job-manager' ),
			'filter_items_list'     => _x( 'Jobangebote Liste filtern', 'Screen reader text for the filter links', 'ddhh-job-manager' ),
			'items_list_navigation' => _x( 'Jobangebote Navigation', 'Screen reader text for the pagination', 'ddhh-job-manager' ),
			'items_list'            => _x( 'Jobangebote Liste', 'Screen reader text for the items list', 'ddhh-job-manager' ),
		);

		$args = array(
			'labels'             => $labels,
			'public'             => true,
			'publicly_queryable' => true,
			'show_ui'            => true,
			'show_in_menu'       => true,
			'query_var'          => true,
			'rewrite'            => array( 'slug' => 'jobangebote' ),
			'capability_type'    => 'job_offer',
			'map_meta_cap'       => true,
			'has_archive'        => true,
			'hierarchical'       => false,
			'menu_position'      => 5,
			'menu_icon'          => 'dashicons-businessperson',
			'supports'           => array( 'title', 'editor', 'author', 'thumbnail' ),
			'show_in_rest'       => true,
			'capabilities'       => array(
				'edit_post'              => 'edit_job_offer',
				'read_post'              => 'read_job_offer',
				'delete_post'            => 'delete_job_offer',
				'edit_posts'             => 'edit_job_offers',
				'edit_others_posts'      => 'edit_others_job_offers',
				'publish_posts'          => 'publish_job_offers',
				'read_private_posts'     => 'read_private_job_offers',
				'delete_posts'           => 'delete_job_offers',
				'delete_private_posts'   => 'delete_private_job_offers',
				'delete_published_posts' => 'delete_published_job_offers',
				'delete_others_posts'    => 'delete_others_job_offers',
				'edit_private_posts'     => 'edit_private_job_offers',
				'edit_published_posts'   => 'edit_published_job_offers',
				'create_posts'           => 'edit_job_offers',
			),
		);

		register_post_type( 'job_offer', $args );
	}

	/**
	 * Map job_offer capabilities to enforce ownership
	 *
	 * @param array  $caps    Required capabilities.
	 * @param string $cap     Capability being checked.
	 * @param int    $user_id User ID.
	 * @param array  $args    Additional arguments.
	 * @return array Modified capabilities.
	 */
	public static function map_job_offer_capabilities( $caps, $cap, $user_id, $args ) {
		// Check if this is a job_offer capability we need to map
		if ( 'edit_job_offer' === $cap || 'delete_job_offer' === $cap ) {
			// Get the post
			$post = get_post( $args[0] );
			
			if ( ! $post || 'job_offer' !== $post->post_type ) {
				return $caps;
			}

			// Check if user is the post author
			if ( (int) $user_id === (int) $post->post_author ) {
				// User is the author - allow with base capability
				$caps = array( 'edit_job_offers' );
			} else {
				// User is NOT the author - require elevated capability
				$caps = array( 'edit_others_job_offers' );
			}
		}

		return $caps;
	}
}