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

use PHPUnit\Framework\TestCase;
use Domain\Banner\BannerRepository;

class BannerRepositoryTest extends TestCase
{
    /**
     * Test pobierania banera - zwraca dane z tłumaczeniami
     */
    public function testFindReturnsBannerWithTranslations()
    {
        // Arrange
        $mockDb = $this->createMock(\medoo::class);

        $mockDb->expects($this->once())
            ->method('get')
            ->with('pp_banners', '*', ['id' => 1])
            ->willReturn(['id' => 1, 'name' => 'Baner testowy', 'status' => 1]);

        $mockDb->expects($this->once())
            ->method('select')
            ->with('pp_banners_langs', '*', ['id_banner' => 1])
            ->willReturn([
                ['id_lang' => 'pl', 'src' => 'banner.jpg', 'url' => '/promo'],
                ['id_lang' => 'en', 'src' => 'banner-en.jpg', 'url' => '/promo-en'],
            ]);

        $repository = new BannerRepository($mockDb);

        // Act
        $banner = $repository->find(1);

        // Assert
        $this->assertIsArray($banner);
        $this->assertEquals('Baner testowy', $banner['name']);
        $this->assertArrayHasKey('languages', $banner);
        $this->assertCount(2, $banner['languages']);
        $this->assertEquals('banner.jpg', $banner['languages']['pl']['src']);
    }

    /**
     * Test pobierania banera - nie istnieje
     */
    public function testFindReturnsNullWhenNotFound()
    {
        // Arrange
        $mockDb = $this->createMock(\medoo::class);
        $mockDb->method('get')->willReturn(false);

        $repository = new BannerRepository($mockDb);

        // Act
        $banner = $repository->find(999);

        // Assert
        $this->assertNull($banner);
    }

    /**
     * Test usuwania banera - sukces
     */
    public function testDeleteReturnsTrue()
    {
        // Arrange
        $mockDb = $this->createMock(\medoo::class);
        $mockDb->expects($this->once())
            ->method('delete')
            ->with('pp_banners', ['id' => 5])
            ->willReturn($this->createMock(\PDOStatement::class));

        $repository = new BannerRepository($mockDb);

        // Act
        $result = $repository->delete(5);

        // Assert
        $this->assertTrue($result);
    }

    /**
     * Test zapisywania nowego banera
     */
    public function testSaveInsertsNewBanner()
    {
        // Arrange
        $mockDb = $this->createMock(\medoo::class);

        // insert() wywoływane 2x: raz dla banera, raz dla tłumaczenia
        $mockDb->expects($this->exactly(2))
            ->method('insert');

        $mockDb->expects($this->once())
            ->method('id')
            ->willReturn(10);

        // get() for checking existing translations - returns false (no existing)
        $mockDb->method('get')->willReturn(false);

        $repository = new BannerRepository($mockDb);

        // Act
        $result = $repository->save([
            'name' => 'Nowy baner',
            'status' => 'on',
            'date_start' => '',
            'date_end' => '',
            'home_page' => 'on',
            'src' => ['pl' => 'banner.jpg'],
            'url' => ['pl' => '/promo'],
            'html' => ['pl' => ''],
            'text' => ['pl' => 'Tekst'],
        ]);

        // Assert
        $this->assertEquals(10, $result);
    }
}