<?php

declare(strict_types=1);

namespace TFGraphics\SmartImport\DomainEngine;

/** Immutable explanation of one AUTO routing decision. */
final class DomainCandidatePlan
{
    public function __construct(
        private string $domain,
        private float $confidence,
        private string $reason,
        private array $providers,
        private string $executionMode = 'failover',
        private int $estimatedCost = 1,
        private bool $fallbackAllowed = false
    ) {}

    public function getDomain(): string { return $this->domain; }
    public function getConfidence(): float { return $this->confidence; }
    public function getReason(): string { return $this->reason; }
    public function getProviders(): array { return $this->providers; }
    public function getExecutionMode(): string { return $this->executionMode; }
    public function getEstimatedCost(): int { return $this->estimatedCost; }
    public function isFallbackAllowed(): bool { return $this->fallbackAllowed; }
    public function toArray(): array
    {
        return ['domain' => $this->domain, 'confidence' => $this->confidence, 'reason' => $this->reason,
            'providers' => $this->providers, 'execution_mode' => $this->executionMode,
            'estimated_cost' => $this->estimatedCost, 'fallback_allowed' => $this->fallbackAllowed];
    }
}