<?php

namespace App\Http\Requests\UserTransfer;

use Illuminate\Foundation\Http\FormRequest;

/**
 * Auswahl von Quell- und Zielberater für die Übertragung eines Berater-Stamms
 * (dev/_tickets/2026-09-08.md, Ticket #1).
 */
class PreviewConsultantTransferRequest extends FormRequest
{
    public function authorize(): bool
    {
        // Die Route liegt hinter der superadmin-Middleware.
        return true;
    }

    /**
     * @return array<string, array<int, mixed>>
     */
    public function rules(): array
    {
        return [
            'source_user_id' => ['required', 'integer', 'exists:users,id'],
            'target_user_id' => ['required', 'integer', 'exists:users,id', 'different:source_user_id'],
        ];
    }

    /**
     * @return array<string, string>
     */
    public function messages(): array
    {
        return [
            'source_user_id.required' => __('msg.transfer_error_source_required'),
            'target_user_id.required' => __('msg.transfer_error_target_required'),
            'target_user_id.different' => __('msg.transfer_error_same_user'),
        ];
    }
}