<?php
namespace Tests\Unit\Domain\Languages;

use Domain\Languages\LanguagesRepository;
use PHPUnit\Framework\TestCase;

class LanguagesRepositoryTest extends TestCase
{
    private function mockDb(): object
    {
        return $this->createMock(\medoo::class);
    }

    protected function setUp(): void
    {
        \Shared\Cache\CacheHandler::reset();
    }

    // --- languagesList ---

    public function testLanguagesListReturnsArray(): void
    {
        $db = $this->mockDb();
        $db->method('select')->willReturn([['id' => 'pl', 'name' => 'Polski']]);

        $repo = new LanguagesRepository($db);
        $this->assertSame([['id' => 'pl', 'name' => 'Polski']], $repo->languagesList());
    }

    public function testLanguagesListReturnsEmptyWhenNull(): void
    {
        $db = $this->mockDb();
        $db->method('select')->willReturn(null);

        $repo = new LanguagesRepository($db);
        $this->assertSame([], $repo->languagesList());
    }

    // --- languageDetails ---

    public function testLanguageDetailsReturnsRowWhenFound(): void
    {
        $db = $this->mockDb();
        $db->method('get')->willReturn(['id' => 'pl', 'name' => 'Polski']);

        $repo = new LanguagesRepository($db);
        $this->assertSame('pl', $repo->languageDetails('pl')['id']);
    }

    public function testLanguageDetailsReturnsNullWhenNotFound(): void
    {
        $db = $this->mockDb();
        $db->method('get')->willReturn(null);

        $repo = new LanguagesRepository($db);
        $this->assertNull($repo->languageDetails('xx'));
    }

    // --- activeLanguages ---

    public function testActiveLanguagesQueriesDbAndCaches(): void
    {
        $expected = [['id' => 'pl', 'name' => 'Polski', 'domain' => null]];
        $db       = $this->mockDb();
        $db->expects($this->once())->method('select')->willReturn($expected);

        $repo = new LanguagesRepository($db);
        $this->assertSame($expected, $repo->activeLanguages());
        // Drugi odczyt — z cache (mock select nie zostanie wywołany drugi raz)
        $this->assertSame($expected, $repo->activeLanguages());
    }

    public function testActiveLanguagesReturnsEmptyWhenNull(): void
    {
        $db = $this->mockDb();
        $db->method('select')->willReturn(null);

        $repo = new LanguagesRepository($db);
        $this->assertSame([], $repo->activeLanguages());
    }

    // --- maxOrder ---

    public function testMaxOrderReturnsInteger(): void
    {
        $db = $this->mockDb();
        $db->method('max')->willReturn('5');

        $repo = new LanguagesRepository($db);
        $this->assertSame(5, $repo->maxOrder());
    }

    // --- translationDelete ---

    public function testTranslationDeleteReturnsTrueOnSuccess(): void
    {
        $db = $this->mockDb();
        $db->method('delete')->willReturn(1);

        $repo = new LanguagesRepository($db);
        $this->assertTrue($repo->translationDelete(1));
    }

    public function testTranslationDeleteReturnsFalseOnFailure(): void
    {
        $db = $this->mockDb();
        $db->method('delete')->willReturn(0);

        $repo = new LanguagesRepository($db);
        $this->assertFalse($repo->translationDelete(1));
    }

    // --- translationDetails ---

    public function testTranslationDetailsReturnsRowOrNull(): void
    {
        $db = $this->mockDb();
        $db->method('get')->willReturn(['id' => 1, 'text' => 'hello']);

        $repo = new LanguagesRepository($db);
        $this->assertSame(['id' => 1, 'text' => 'hello'], $repo->translationDetails(1));
    }
}