<?php

namespace App\Http\Requests;

use App\Enums\TaskPriority;
use App\Enums\TaskVisibility;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Support\Carbon;
use Illuminate\Validation\Rule;
use Illuminate\Validation\Validator;

class UpdateTaskRequest extends FormRequest
{
    public function authorize(): bool
    {
        return true;
    }

    public function rules(): array
    {
        return [
            'subject' => 'sometimes|required|string|max:255',
            'description' => 'sometimes|nullable|string|max:5000',
            'priority' => ['sometimes', Rule::enum(TaskPriority::class)],
            'due_at' => 'sometimes|nullable|date',
            'reminder_at' => 'sometimes|nullable|date',
            'estimated_minutes' => 'sometimes|nullable|integer|min:1|max:100000',
            'visibility' => ['sometimes', Rule::enum(TaskVisibility::class)],
            'version' => 'required|integer|min:1',
        ];
    }

    public function after(): array
    {
        return [function (Validator $validator): void {
            $dueAt = $this->input('due_at', $this->route('task')?->due_at);
            $reminderAt = $this->input('reminder_at', $this->route('task')?->reminder_at);
            if ($dueAt && $reminderAt && Carbon::parse($reminderAt)->gt(Carbon::parse($dueAt))) {
                $validator->errors()->add('reminder_at', 'زمان یادآوری نمی‌تواند بعد از موعد کار باشد.');
            }
        }];
    }
}