<?php

namespace App\Services\Agent;

use App\Models\AgentNode;
use App\Models\AgentProfile;
use Illuminate\Validation\ValidationException;

final class CreditAllocationValidator
{
    public function assertAllocationWithinParent(AgentNode $parent, int $additionalCredit): void
    {
        $profile = AgentProfile::query()->where('agent_node_id', $parent->id)->first();
        if ($profile === null) {
            return;
        }

        $available = max(0, (int) $profile->credit_limit - (int) $profile->allocated_credit);
        if ($additionalCredit > $available) {
            throw ValidationException::withMessages([
                'credit_limit' => ['exceeds_available'],
            ]);
        }
    }

    public function assertPlayerCreditWithinAgent(AgentNode $agent, int $playerCreditLimit): void
    {
        $profile = AgentProfile::query()->where('agent_node_id', $agent->id)->first();
        if ($profile === null) {
            return;
        }

        if ($playerCreditLimit < 0) {
            throw ValidationException::withMessages([
                'credit_limit' => ['invalid'],
            ]);
        }
    }
}