<?php

namespace Domain\ValueObject;

enum TaskStatus: string
{
    case PENDING = 'pending';
    case IN_PROGRESS = 'in_progress';
    case COMPLETED = 'completed';
    case FAILED = 'failed';
    case CANCELLED = 'cancelled';

    public function canTransitionTo(self $newStatus): bool
    {
        return match ($this) {
            self::PENDING => in_array($newStatus, [self::IN_PROGRESS, self::CANCELLED]),
            self::IN_PROGRESS => in_array($newStatus, [self::COMPLETED, self::FAILED, self::CANCELLED]),
            self::COMPLETED, self::FAILED, self::CANCELLED => false,
        };
    }

    public function isTerminal(): bool
    {
        return in_array($this, [self::COMPLETED, self::FAILED, self::CANCELLED]);
    }

    public function label(): string
    {
        return match ($this) {
            self::PENDING => 'Offen',
            self::IN_PROGRESS => 'In Arbeit',
            self::COMPLETED => 'Abgeschlossen',
            self::FAILED => 'Fehlgeschlagen',
            self::CANCELLED => 'Abgebrochen',
        };
    }
}