<?php

include __DIR__ . '/../vendor/autoload.php';

use Nwb\MultiDownloaderClient\FileRequest;
use Nwb\MultiDownloaderClient\MultiDownloaderClient;
use PHPUnit\Framework\TestCase;

class MultiDownloaderClientTest extends TestCase
{
    private $testFiles = [
        'https://s3.eu-central-1.wasabisys.com/dev-data-nwb/multi-downloader-sat/tests/img/watermarks/portrait.png',
        'https://s3.eu-central-1.wasabisys.com/dev-data-nwb/multi-downloader-sat/tests/img/watermarks/paysage.png'
    ];

    private function testFiles()
    {
        return array_map(function ($url) {
            return new FileRequest($url);
        }, $this->testFiles);
    }

    public static function getProperty($object, $property)
    {
        $reflectedClass = new \ReflectionClass($object);
        $reflection = $reflectedClass->getProperty($property);
        $reflection->setAccessible(true);

        return $reflection->getValue($object);
    }

    public function testDownloadAsString()
    {
        $client = new MultiDownloaderClient();

        $client->setFiles($this->testFiles());

        $response = $client->downloadAsString();

        $md5 = md5($response);

        $this->assertEquals('ea9726d2ecbe6b820899ba125bf0ae94', $md5);
    }

    public function testDownloadTo()
    {
        $client = new MultiDownloaderClient();

        $path = sys_get_temp_dir() . '/testDownloadTo.zip';

        $client->setFiles($this->testFiles());
        $client->downloadTo($path);

        $md5 = md5_file($path);

        $this->assertFileExists($path);
        $this->assertEquals('ea9726d2ecbe6b820899ba125bf0ae94', $md5);
    }

    public function testApiKeyEnv()
    {
        putenv('MULTI_DOWNLOADER_API_KEY=1234567890');

        $client = new MultiDownloaderClient();
        $apiKey = self::getProperty($client, 'apiKey');
        $this->assertEquals('1234567890', $apiKey);
    }

    public function testForm()
    {
        $client = new MultiDownloaderClient();
        $client->setFiles($this->testFiles());

        echo $client->htmlForm($this->testFiles());
    }

    public function testApiKeyParam()
    {
        $client = new MultiDownloaderClient([
            'apiKey' => 'test_key'
        ]);

        $apiKey = self::getProperty($client, 'apiKey');
        $this->assertEquals('test_key', $apiKey);
    }

    public function testApiKeyMissing()
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionMessage('API key is required');

        putenv('MULTI_DOWNLOADER_API_KEY');

        new MultiDownloaderClient();
    }
}