<?php

namespace Modules\ApprovalWorkflow\Enums;

enum ApprovalChainStatus: string
{
    case Pending = 'pending';
    case InReview = 'in_review';
    case Approved = 'approved';
    case Rejected = 'rejected';

    public function label(): string
    {
        return match ($this) {
            self::Pending => 'Pending',
            self::InReview => 'In Review',
            self::Approved => 'Approved',
            self::Rejected => 'Rejected',
        };
    }

    public function allowedTransitions(): array
    {
        return match ($this) {
            self::Pending => [self::InReview, self::Rejected],
            self::InReview => [self::Approved, self::Rejected],
            self::Approved => [],
            self::Rejected => [self::Pending],
        };
    }
}