<?php

namespace Tests\Unit;

use Libs\Neuron;
use Tests\TestCase;

/**
 * NeuronTest - DuckBrain test harness
 *
 * Regression net para el contenedor de valores del core: construcción
 * desde array/objeto, propiedades dinámicas y null en inexistentes.
 */
final class NeuronTest extends TestCase
{
    public function testConstructFromAssociativeArray(): void
    {
        $n = new Neuron(['username' => 'kj', 'level' => 3]);

        $this->assertSame('kj', $n->username);
        $this->assertSame(3, $n->level);
    }

    public function testConstructFromObjectCopiesPublicProperties(): void
    {
        $source = new \stdClass();
        $source->id = 7;
        $source->email = 'kj@example.com';

        $n = new Neuron($source);

        $this->assertSame(7, $n->id);
        $this->assertSame('kj@example.com', $n->email);
    }

    public function testUndefinedPropertyIsNullWithoutNotice(): void
    {
        $n = new Neuron();

        $this->assertNull($n->thisDoesNotExist);
    }

    public function testDynamicPropertiesCanBeAssignedAndRead(): void
    {
        $n = new Neuron();
        $n->fresh = ['a', 'b'];

        $this->assertSame(['a', 'b'], $n->fresh);
    }

    public function testNestedValuesArePreservedVerbatim(): void
    {
        $payload = ['meta' => ['tags' => ['x', 'y'], 'n' => null]];
        $n = new Neuron($payload);

        $this->assertSame($payload['meta'], $n->meta);
        $this->assertNull($n->meta['n']);
    }
}