<?php

namespace yiiunit\framework\web;

use Exception;
use RuntimeException;
use Error;
use Yii;
use yii\helpers\StringHelper;
use yii\web\HttpException;

/**
 * @group web
 */
class ResponseTest extends \yiiunit\TestCase
{
    /**
     * @var \yii\web\Response
     */
    public $response;

    protected function setUp()
    {
        parent::setUp();
        $this->mockWebApplication();
        $this->response = new \yii\web\Response;
    }

    public function rightRanges()
    {
        // TODO test more cases for range requests and check for rfc compatibility
        // http://www.w3.org/Protocols/rfc2616/rfc2616.txt
        return [
            ['0-5', '0-5', 6, '12ёж'],
            ['2-', '2-66', 65, 'ёжик3456798áèabcdefghijklmnopqrstuvwxyz!"§$%&/(ёжик)=?'],
            ['-12', '55-66', 12, '(ёжик)=?'],
        ];
    }

    /**
     * @dataProvider rightRanges
     */
    public function testSendFileRanges($rangeHeader, $expectedHeader, $length, $expectedContent)
    {
        $dataFile = \Yii::getAlias('@yiiunit/data/web/data.txt');
        $fullContent = file_get_contents($dataFile);
        $_SERVER['HTTP_RANGE'] = 'bytes=' . $rangeHeader;
        ob_start();
        $this->response->sendFile($dataFile)->send();
        $content = ob_get_clean();

        $this->assertEquals($expectedContent, $content);
        $this->assertEquals(206, $this->response->statusCode);
        $headers = $this->response->headers;
        $this->assertEquals("bytes", $headers->get('Accept-Ranges'));
        $this->assertEquals("bytes " . $expectedHeader . '/' . StringHelper::byteLength($fullContent), $headers->get('Content-Range'));
        $this->assertEquals('text/plain', $headers->get('Content-Type'));
        $this->assertEquals("$length", $headers->get('Content-Length'));
    }

    public function wrongRanges()
    {
        // TODO test more cases for range requests and check for rfc compatibility
        // http://www.w3.org/Protocols/rfc2616/rfc2616.txt
        return [
            ['1-2,3-5,6-10'],	// multiple range request not supported
            ['5-1'],			// last-byte-pos value is less than its first-byte-pos value
            ['-100000'],		// last-byte-pos bigger then content length
            ['10000-'],			// first-byte-pos bigger then content length
        ];
    }

    /**
     * @dataProvider wrongRanges
     */
    public function testSendFileWrongRanges($rangeHeader)
    {
        $this->expectException('yii\web\RangeNotSatisfiableHttpException');

        $dataFile = \Yii::getAlias('@yiiunit/data/web/data.txt');
        $_SERVER['HTTP_RANGE'] = 'bytes=' . $rangeHeader;
        $this->response->sendFile($dataFile);
    }

    protected function generateTestFileContent()
    {
        return '12ёжик3456798áèabcdefghijklmnopqrstuvwxyz!"§$%&/(ёжик)=?';
    }

    /**
     * https://github.com/yiisoft/yii2/issues/7529
     */
    public function testSendContentAsFile()
    {
        ob_start();
        $this->response->sendContentAsFile('test', 'test.txt')->send([
            'mimeType' => 'text/plain'
        ]);
        $content = ob_get_clean();

        static::assertEquals('test', $content);
        static::assertEquals(200, $this->response->statusCode);
        $headers = $this->response->headers;
        static::assertEquals('application/octet-stream', $headers->get('Content-Type'));
        static::assertEquals('attachment; filename="test.txt"', $headers->get('Content-Disposition'));
        static::assertEquals(4, $headers->get('Content-Length'));
    }

    public function testRedirect()
    {
        $_SERVER['REQUEST_URI'] = 'http://test-domain.com/';
        $this->assertEquals($this->response->redirect('')->headers->get('location'), '/');
        $this->assertEquals($this->response->redirect('http://some-external-domain.com')->headers->get('location'), 'http://some-external-domain.com');
        $this->assertEquals($this->response->redirect('/')->headers->get('location'), '/');
        $this->assertEquals($this->response->redirect('/something-relative')->headers->get('location'), '/something-relative');
        $this->assertEquals($this->response->redirect(['/'])->headers->get('location'), '/index.php?r=');
        $this->assertEquals($this->response->redirect(['view'])->headers->get('location'), '/index.php?r=view');
        $this->assertEquals($this->response->redirect(['/controller'])->headers->get('location'), '/index.php?r=controller');
        $this->assertEquals($this->response->redirect(['/controller/index'])->headers->get('location'), '/index.php?r=controller%2Findex');
        $this->assertEquals($this->response->redirect(['//controller/index'])->headers->get('location'), '/index.php?r=controller%2Findex');
        $this->assertEquals($this->response->redirect(['//controller/index', 'id' => 3])->headers->get('location'), '/index.php?r=controller%2Findex&id=3');
        $this->assertEquals($this->response->redirect(['//controller/index', 'id_1' => 3, 'id_2' => 4])->headers->get('location'), '/index.php?r=controller%2Findex&id_1=3&id_2=4');
        $this->assertEquals($this->response->redirect(['//controller/index', 'slug' => 'äöüß!"§$%&/()'])->headers->get('location'), '/index.php?r=controller%2Findex&slug=%C3%A4%C3%B6%C3%BC%C3%9F%21%22%C2%A7%24%25%26%2F%28%29');
    }

    /**
     * @dataProvider dataProviderSetStatusCodeByException
     *
     */
    public function testSetStatusCodeByException($exception, $statusCode)
    {
        $this->response->setStatusCodeByException($exception);
        $this->assertEquals($statusCode, $this->response->getStatusCode());
    }

    public function dataProviderSetStatusCodeByException()
    {
        $data = [
            [
                new Exception(),
                500,
            ],
            [
                new RuntimeException(),
                500,
            ],
            [
                new HttpException(500),
                500,
            ],
            [
                new HttpException(403),
                403,
            ],
            [
                new HttpException(404),
                404,
            ],
            [
                new HttpException(301),
                301,
            ],
            [
                new HttpException(200),
                200,
            ],
        ];

        if (class_exists('Error')) {
            $data[] = [
                new Error(),
                500,
            ];
        }

        return $data;
    }
}