<?php

namespace AppTest\Action;

use App\Action\ShowCameraImageAction;
use App\Service\CameraPictureManagerService;
use Interop\Http\ServerMiddleware\DelegateInterface;
use PHPUnit\Framework\TestCase;
use Prophecy\Argument;
use Psr\Http\Message\ServerRequestInterface;
use Zend\Diactoros\Response\JsonResponse;

class ShowCameraImageActionTest extends TestCase
{
    const CAM_DIR = "cam1";
    const IMG_FILE = "img1.png";

    /** @var CameraPictureManagerService */
    protected $cameraPictureManager;

    protected function setUp()
    {
        $this->cameraPictureManager = $this->prophesize(CameraPictureManagerService::class);
        $this->cameraPictureManager->getCameraImage(self::CAM_DIR, self::IMG_FILE)
            ->willReturn($this->prophesize(JsonResponse::class));
    }

    public function testReturnsJsonResponse()
    {
        $homePage = new ShowCameraImageAction(
            $this->cameraPictureManager->reveal()
        );

        $request = $this->prophesize(ServerRequestInterface::class);
        $request->getAttribute('camera')
                ->willReturn('cam1');
        $request->getAttribute('image')
                ->willReturn('img1.png');

        $response = $homePage->process(
            $request->reveal(),
            $this->prophesize(DelegateInterface::class)->reveal()
        );

        $this->assertInstanceOf(JsonResponse::class, $response);
    }
}