<?php

namespace WellRESTed\Message;

use WellRESTed\Test\TestCase;

class ResponseTest extends TestCase
{
    // -------------------------------------------------------------------------
    // Construction

    public function testSetsStatusCodeOnConstruction(): void
    {
        $response = new Response(200);
        $this->assertSame(200, $response->getStatusCode());
    }

    public function testSetsHeadersOnConstruction(): void
    {
        $response = new Response(200, [
            'X-foo' => ['bar','baz']
        ]);
        $this->assertEquals(['bar','baz'], $response->getHeader('X-foo'));
    }

    public function testSetsBodyOnConstruction(): void
    {
        $body = new NullStream();
        $response = new Response(200, [], $body);
        $this->assertSame($body, $response->getBody());
    }

    // -------------------------------------------------------------------------
    // Status and Reason Phrase

    public function testCreatesNewInstanceWithStatusCode(): void
    {
        $response = new Response();
        $copy = $response->withStatus(200);
        $this->assertEquals(200, $copy->getStatusCode());
    }

    /**
     * @dataProvider statusProvider
     * @param int $code
     * @param string|null $reasonPhrase
     * @param string $expected
     */
    public function testCreatesNewInstanceWithReasonPhrase(
        int $code,
        ?string $reasonPhrase,
        string $expected
    ): void {
        $response = new Response();
        $copy = $response->withStatus($code, $reasonPhrase);
        $this->assertEquals($expected, $copy->getReasonPhrase());
    }

    public function statusProvider(): array
    {
        return [
            [100, null, 'Continue'],
            [101, null, 'Switching Protocols'],
            [200, null, 'OK'],
            [201, null, 'Created'],
            [202, null, 'Accepted'],
            [203, null, 'Non-Authoritative Information'],
            [204, null, 'No Content'],
            [205, null, 'Reset Content'],
            [206, null, 'Partial Content'],
            [300, null, 'Multiple Choices'],
            [301, null, 'Moved Permanently'],
            [302, null, 'Found'],
            [303, null, 'See Other'],
            [304, null, 'Not Modified'],
            [305, null, 'Use Proxy'],
            [400, null, 'Bad Request'],
            [401, null, 'Unauthorized'],
            [402, null, 'Payment Required'],
            [403, null, 'Forbidden'],
            [404, null, 'Not Found'],
            [405, null, 'Method Not Allowed'],
            [406, null, 'Not Acceptable'],
            [407, null, 'Proxy Authentication Required'],
            [408, null, 'Request Timeout'],
            [409, null, 'Conflict'],
            [410, null, 'Gone'],
            [411, null, 'Length Required'],
            [412, null, 'Precondition Failed'],
            [413, null, 'Payload Too Large'],
            [414, null, 'URI Too Long'],
            [415, null, 'Unsupported Media Type'],
            [500, null, 'Internal Server Error'],
            [501, null, 'Not Implemented'],
            [502, null, 'Bad Gateway'],
            [503, null, 'Service Unavailable'],
            [504, null, 'Gateway Timeout'],
            [505, null, 'HTTP Version Not Supported'],
            [598, null, ''],
            [599, 'Nonstandard', 'Nonstandard']
        ];
    }

    public function testWithStatusCodePreservesOriginalResponse(): void
    {
        $response1 = new Response();
        $response1 = $response1->withStatus(200);
        $response1 = $response1->withHeader('Content-type', 'application/json');

        $response2 = $response1->withStatus(404);
        $response2 = $response2->withHeader('Content-type', 'text/plain');

        $this->assertNotEquals($response1->getStatusCode(), $response2->getHeader('Content-type'));
    }
}