<?php

namespace Tests\Unit;

use App\DTOs\IceCandidateDto;
use App\DTOs\IceCandidatesDto;
use PHPUnit\Framework\TestCase;

class IceCandidateDtoTest extends TestCase
{
    public function test_ice_candidate_dto_instantiation_and_serialization(): void
    {
        $dto = new IceCandidateDto(
            urls: 'stun:stun.l.google.com:19302',
            username: null,
            credential: null
        );

        $array = $dto->toArray();
        $this->assertEquals(['urls' => 'stun:stun.l.google.com:19302'], $array);
        $this->assertArrayNotHasKey('username', $array);
        $this->assertArrayNotHasKey('credential', $array);
        $this->assertEquals($array, $dto->jsonSerialize());
    }

    public function test_ice_candidate_dto_with_turn_credentials(): void
    {
        $dto = IceCandidateDto::fromArray([
            'urls' => ['turn:turn.convexsol.com:3478', 'turns:turn.convexsol.com:5349'],
            'username' => 'convex_user',
            'password' => 'secret_pass',
        ]);

        $array = $dto->toArray();
        $this->assertEquals(['turn:turn.convexsol.com:3478', 'turns:turn.convexsol.com:5349'], $array['urls']);
        $this->assertEquals('convex_user', $array['username']);
        $this->assertEquals('secret_pass', $array['credential']);
    }

    public function test_ice_candidates_dto_collection_handling(): void
    {
        $candidates = IceCandidatesDto::fromArray([
            ['urls' => 'stun:stun.l.google.com:19302'],
            ['urls' => 'turn:turn.convexsol.com:3478', 'username' => 'user1', 'credential' => 'pass1'],
        ]);

        $this->assertCount(2, $candidates);
        $this->assertFalse($candidates->isEmpty());

        $array = $candidates->toArray();
        $this->assertCount(2, $array);
        $this->assertEquals('stun:stun.l.google.com:19302', $array[0]['urls']);
        $this->assertEquals('user1', $array[1]['username']);
        $this->assertEquals('pass1', $array[1]['credential']);

        $json = json_encode($candidates);
        $this->assertStringContainsString('stun:stun.l.google.com:19302', $json);
        $this->assertStringContainsString('turn:turn.convexsol.com:3478', $json);
    }

    public function test_default_stun_factory(): void
    {
        $default = IceCandidatesDto::defaultStun();

        $this->assertCount(1, $default);
        $array = $default->toArray();
        $this->assertContains('stun:stun.l.google.com:19302', $array[0]['urls']);
        $this->assertContains('stun:stun.cloudflare.com:3478', $array[0]['urls']);
    }
}