<?php
namespace Bsr\Webservice;

use PHPUnit\Framework\TestCase;
use Bsr\Utils\Logger\Logger;
use Bsr\Utils\Configuration\Configuration;

class WebserviceTest extends TestCase
{
    private $webservice;

    public function setUp()
    {
        $this->webservice = new MockWebserviceSubclass('1.2.3');
    }

    private function removeLogs()
    {
        $logsDir = realpath(dirname(Configuration::get('log.file')));
        $files = glob("$logsDir/*");
        foreach($files as $file){
            if(is_file($file)) unlink($file);
        }
    }


    /**
     * @see config/configuration.local.php for the mock renderer used
     * @runInSeparateProcess
     */
    public function testRunSavesTheRequestIntoALogFile()
    {
        $this->removeLogs();
        $log = Logger::getLastLogs();
        $this->assertEquals(Logger::NO_LOG_YET_MSG, $log);
        $this->webservice->run(false);
        $response = ob_get_clean();
        $log = Logger::getLastLogs();
        $this->assertNotEquals(Logger::NO_LOG_YET_MSG, $log);
    }

    /**
     * @see config/configuration.local.php for the mock renderer used
     * @runInSeparateProcess
     */
    public function testReturnsErrorNoArgumentsWhenNoParamtersInGetPostRequest()
    {
        $_GET = array(); $_POST = array();

        $this->webservice->run(false);
        $response = ob_get_clean();
        $responseArray = json_decode($response, true);
        $this->assertEquals(100, $responseArray['error']['code']);
        $this->assertEquals('NoArguments', $responseArray['error']['name']);
    }

    public function testDoesNotReturnErrorNoArgumentsWhenParamtersInGetRequest()
    {
        $_GET = array('a' => 'a1');

        $this->webservice->run(false);
        $response = ob_get_clean();
        $responseArray = json_decode($response, true);
        $this->assertNotEquals(100, $responseArray['error']['code']);
        $this->assertNotEquals('NoArguments', $responseArray['error']['name']);
    }

    public function testDoesNotReturnErrorNoArgumentsWhenParamtersInPostRequest()
    {
        $_POST = array('a' => 'a1');

        $this->webservice->run(false);
        $response = ob_get_clean();
        $responseArray = json_decode($response, true);
        $this->assertNotEquals(100, $responseArray['error']['code']);
        $this->assertNotEquals('NoArguments', $responseArray['error']['name']);
    }

    public function testReturnsErrorMissingMethodWhenNoFuncParamInRequest()
    {
        $_POST = array('a' => 'a1');

        $this->webservice->run(false);
        $response = ob_get_clean();
        $responseArray = json_decode($response, true);
        $this->assertEquals(101, $responseArray['error']['code']);
        $this->assertEquals('MissingMethod', $responseArray['error']['name']);
    }

    public function testDoesNotReturnErrorMissingMethodWhenFuncParamInRequest()
    {
        $_GET = array('func' => 'someNonExistentMockFunction'); $_POST = array();

        $this->webservice->run(false);
        $response = ob_get_clean();
        $responseArray = json_decode($response, true);
        $this->assertNotEquals(101, $responseArray['error']['code']);
        $this->assertNotEquals('MissingMethod', $responseArray['error']['name']);
    }

    public function testReturnsErrorBadMethodWhenMethodNotExistsFuncParamInRequest()
    {
        $_GET = array('func' => 'someNonExistentMockFunction'); $_POST = array();

        $this->webservice->run(false);
        $response = ob_get_clean();
        $responseArray = json_decode($response, true);
        $this->assertEquals(102, $responseArray['error']['code']);
        $this->assertEquals('BadMethod', $responseArray['error']['name']);
    }

    public function testReturnsErrorTooFewArgsWhenMethodNeedsMoreParamsInRequest()
    {
        $_GET = array('func' => 'someMockFunction'); $_POST = array();

        $this->webservice->run(false);
        $response = ob_get_clean();
        $responseArray = json_decode($response, true);
        $this->assertEquals(103, $responseArray['error']['code']);
        $this->assertEquals('TooFewArgs', $responseArray['error']['name']);
    }

    public function testReturnsErrorTooFewArgsWhenMethodNeedsEvenMoreParamsInRequest()
    {
        $_GET = array(
            'func' => 'someMockFunction', 
            'wrongParamName' => 'val',
        );

        $this->webservice->run(false);
        $response = ob_get_clean();
        $responseArray = json_decode($response, true);
        $this->assertEquals(103, $responseArray['error']['code']);
        $this->assertEquals('TooFewArgs', $responseArray['error']['name']);
    }

    public function testReturnsErrorTooManyArgsWhenMethodHasLessParamsThanInRequest()
    {
        $_GET = array(
            'param1' => 'val',
            'param2' => 'val',
            'param3' => 'val',
            'func' => 'someMockFunction', 
            'param4' => 'val',
        );

        $this->webservice->run(false);
        $response = ob_get_clean();
        $responseArray = json_decode($response, true);
        $this->assertEquals(104, $responseArray['error']['code']);
        $this->assertEquals('TooManyArgs', $responseArray['error']['name']);
    }

    public function testWebserviceSubclassMethodParamNamesDontMatterAsLongThatThereIsTheRightCount()
    {
        $_GET = array(
            'func' => 'someMockFunction', 
            'wrongParamName' => 'val',
            'wrongParamName2' => 'val',
        );

        $this->webservice->run(false);
        $response = ob_get_clean();
        $responseArray = json_decode($response, true);
        $this->assertEquals(true, isset($responseArray['result']));
    }

    public function testReturnsResultIfProvidedAllParameters()
    {
        $_GET = array(
            'func' => 'someMockFunction', 
            'anyParamName1' => 'val',
            'anyParamName2' => 'val',
            'anyParamName3' => 'val',
        );

        $this->webservice->run(false);
        $response = ob_get_clean();
        $responseArray = json_decode($response, true);
        $this->assertEquals(true, isset($responseArray['result']));
    }

    public function testReturnsResultFormattedAsMethodNameAndReturnValue()
    {
        $_GET = array(
            'func' => 'someMockFunction', 
            'anyParamName1' => 'val',
            'anyParamName2' => 'val',
            'anyParamName3' => 'val',
        );

        $this->webservice->run(false);
        $response = ob_get_clean();
        $responseArray = json_decode($response, true);
        $this->assertEquals(array(
            'someMockFunction' => 'Some Mock Function Return'
        ), $responseArray['result']);
    }

    public function testOrderOfParamatersMatchesArrayOrder()
    {
        $_GET = array(
            'func' => 'someOtherMockFunction', 
            'anyParamName1' => 'one',
            'anyParamName2' => 'two',
            'anyParamName3' => 'threeOpt',
        );

        $this->webservice->run(false);
        $response = ob_get_clean();
        $responseArray = json_decode($response, true);
        $this->assertEquals(array(
            'someOtherMockFunction' => array(
                'one' => 'one',
                'two' => 'two',
                'threeOpt' => 'threeOpt',
            )
        ), $responseArray['result']);
    }

    public function testOrderOfParamatersMatchesArrayMixedOrder()
    {
        $_GET = array(
            'func' => 'someOtherMockFunction', 
            'anyParamName2' => 'two',
            'anyParamName3' => 'threeOpt',
            'anyParamName1' => 'one',
        );

        $this->webservice->run(false);
        $response = ob_get_clean();
        $responseArray = json_decode($response, true);
        $this->assertEquals(array(
            'someOtherMockFunction' => array(
                'one' => 'two',
                'two' => 'threeOpt',
                'threeOpt' => 'one',
            )
        ), $responseArray['result']);
    }

    public function testWebserviceAddsAllRequestInfoToTheLog()
    {
        $_GET = array(
            'func' => 'someOtherMockFunction', 
            'anyParamName2' => 'two',
            'anyParamName3' => 'threeOpt',
            'anyParamName1' => 'one',
        );

        $this->webservice->run(false);
        $response = ob_get_clean();
        $this->assertSame(
            array('version', 'ip', 'date', 'func', 'error', 'status', 'time'),
            array_keys(Logger::getData())
        );
    }
}