<?php

namespace AcademicCrew\Roles;

use AcademicCrew\Core\Loader;

/**
 * Manages plugin-specific WP roles and their capabilities.
 *
 * add_roles() / remove_roles() are static so Activator and uninstall.php
 * can call them without instantiating through the loader.
 *
 * The instance registers the capability filter for instructor page access
 * (fully wired in Phase 3 via CoursePageCapabilities / MemberPageCapabilities).
 */
class RoleManager {

    public function register( Loader $loader ): void {
        $loader->add_action( 'init', $this, 'maybe_add_roles' );
    }

    /**
     * Called on 'init': idempotently creates roles if not present.
     * This covers cases where the plugin is loaded without a fresh activation
     * (e.g. direct DB restore or multisite clone).
     */
    public function maybe_add_roles(): void {
        if ( ! get_role( 'academiccrew_admin' ) || ! get_role( 'academiccrew_member' ) ) {
            static::add_roles();
        }
    }

    // -------------------------------------------------------------------------
    // Static helpers — called by Activator::activate() and uninstall.php
    // -------------------------------------------------------------------------

    public static function add_roles(): void {
        if ( ! get_role( 'academiccrew_admin' ) ) {
            add_role(
                'academiccrew_admin',
                __( 'AcademicCrew Admin', 'academiccrew' ),
                [
                    'read'                   => true,
                    'edit_posts'             => true,
                    'edit_others_posts'      => true,
                    'publish_posts'          => true,
                    'read_private_posts'     => true,
                    'delete_posts'           => true,
                    'delete_private_posts'   => true,
                    'delete_published_posts' => true,
                    'delete_others_posts'    => true,
                    'edit_private_posts'     => true,
                    'edit_published_posts'   => true,
                    'upload_files'           => true,
                    'academiccrew_sync'             => true,
                    'academiccrew_import'           => true,
                    'academiccrew_manage_settings'  => true,
                ]
            );
        }

        if ( ! get_role( 'academiccrew_member' ) ) {
            add_role(
                'academiccrew_member',
                __( 'AcademicCrew Member', 'academiccrew' ),
                [
                    'read'                   => true,
                    'upload_files'           => true,
                    'academiccrew_edit_profile' => true,
                ]
            );
        }

        // Grant custom caps to administrator role so they see sync / import menus.
        $administrator = get_role( 'administrator' );
        if ( $administrator ) {
            foreach ( [ 'academiccrew_sync', 'academiccrew_import', 'academiccrew_manage_settings', 'academiccrew_edit_profile' ] as $cap ) {
                $administrator->add_cap( $cap );
            }
        }
    }

    public static function remove_roles(): void {
        remove_role( 'academiccrew_admin' );
        remove_role( 'academiccrew_member' );

        $administrator = get_role( 'administrator' );
        if ( $administrator ) {
            foreach ( [ 'academiccrew_sync', 'academiccrew_import', 'academiccrew_manage_settings', 'academiccrew_edit_profile' ] as $cap ) {
                $administrator->remove_cap( $cap );
            }
        }
    }
}