<?php

namespace App\Services;

use App\Models\Role;

class RoleService
{
    public function getAll()
    {
        return Role::withCount(['users', 'permissions'])
            ->latest()
            ->get();
    }

    public function create(array $data): Role
    {
        $role = Role::create([
            'name' => $data['name'],
            'description' => $data['description'] ?? null,
        ]);

        if (isset($data['permissions'])) {
            $this->syncPermissions($role, $data['permissions'], 'assigned');
        }

        return $role;
    }

    public function update(Role $role, array $data): Role
    {
        $role->update([
            'name' => $data['name'],
            'description' => $data['description'] ?? null,
        ]);

        if (isset($data['permissions'])) {
            $this->syncPermissions($role, $data['permissions'], 'updated');
        }

        return $role;
    }

    public function delete(Role $role): void
    {
        $role->delete();
    }

    protected function syncPermissions(Role $role, array $permissionNames, string $action): void
    {
        $permissionIds = \App\Models\Permission::whereIn('name', $permissionNames)->pluck('id');
        $changes = $role->permissions()->sync($permissionIds);

        if (!empty($changes['attached']) || !empty($changes['detached']) || !empty($changes['updated'])) {
            // Assuming Role model uses the LogsActivity trait or similar logic as in the controller
            if (method_exists($role, 'logActivity')) {
                 $role->logActivity('updated', "Role permissions {$action}");
            }
        }
    }
}
