<?php

namespace App\Services\Streamers {
    function file_exists()
    {
        return true;
    }
}

namespace Tests\Integration\Factories {
    use App\Factories\StreamerFactory;
    use App\Models\Song;
    use App\Services\Streamers\PHPStreamer;
    use App\Services\Streamers\S3Streamer;
    use App\Services\Streamers\TranscodingStreamer;
    use App\Services\Streamers\XAccelRedirectStreamer;
    use App\Services\Streamers\XSendFileStreamer;
    use App\Services\TranscodingService;
    use Tests\TestCase;

    class StreamerFactoryTest extends TestCase
    {
        /** @var StreamerFactory */
        private $streamerFactory;

        public function setUp()
        {
            parent::setUp();
            $this->streamerFactory = app(StreamerFactory::class);
        }

        public function testCreateS3Streamer()
        {
            /** @var Song $song */
            $song = factory(Song::class)->make(['path' => 's3://bucket/foo.mp3']);

            self::assertInstanceOf(S3Streamer::class, $this->streamerFactory->createStreamer($song));
        }

        public function testCreateTranscodingStreamerIfSupported()
        {
            $this->mockIocDependency(TranscodingService::class, [
                'songShouldBeTranscoded' => true,
            ]);

            /** @var StreamerFactory $streamerFactory */
            $streamerFactory = app(StreamerFactory::class);
            /** @var Song $song */
            $song = factory(Song::class)->make();
            self::assertInstanceOf(TranscodingStreamer::class, $streamerFactory->createStreamer($song, null));
        }

        public function testCreateTranscodingStreamerIfForced()
        {
            $this->mockIocDependency(TranscodingService::class, [
                'songShouldBeTranscoded' => false,
            ]);

            /** @var StreamerFactory $streamerFactory */
            $streamerFactory = app(StreamerFactory::class);

            $song = factory(Song::class)->make();
            self::assertInstanceOf(TranscodingStreamer::class, $streamerFactory->createStreamer($song, true));
        }

        public function provideStreamingConfigData()
        {
            return [
                [null, PHPStreamer::class],
                ['x-sendfile', XSendFileStreamer::class],
                ['x-accel-redirect', XAccelRedirectStreamer::class],
            ];
        }

        /**
         * @dataProvider provideStreamingConfigData
         *
         * @param string|null $config
         * @param string      $expectedClass
         */
        public function testCreatePHPStreamer($config, $expectedClass)
        {
            $this->mockIocDependency(TranscodingService::class, [
                'songShouldBeTranscoded' => false,
            ]);

            config(['koel.streaming.method' => $config]);

            /** @var StreamerFactory $streamerFactory */
            $streamerFactory = app(StreamerFactory::class);

            $song = factory(Song::class)->make();
            self::assertInstanceOf($expectedClass, $streamerFactory->createStreamer($song));
        }
    }
}