<?php

require(__DIR__ . '/../vendor/autoload.php');

use PHPUnit\Framework\TestCase;
use VisualAppeal\AutoUpdate;
use VisualAppeal\Exceptions\DownloadException;

class AutoUpdateTest extends TestCase
{
    /**
     * AutoUpdate instance.
     *
     * @var \VisualAppeal\AutoUpdate
     */
    private $_update = null;

    /**
     * Setup the auto update.
     */
    protected function setUp()
    {
        $this->_update = new AutoUpdate(__DIR__ . DIRECTORY_SEPARATOR . 'temp', __DIR__ . DIRECTORY_SEPARATOR . 'install');
        $this->_update->setCurrentVersion('0.1.0');
        $this->_update->setUpdateUrl(__DIR__ . DIRECTORY_SEPARATOR . 'fixtures');
        $this->_update->addLogHandler(new Monolog\Handler\StreamHandler(__DIR__ . DIRECTORY_SEPARATOR . 'temp' . DIRECTORY_SEPARATOR . 'update.log'));
    }

    /**
     * Unset the auto update.
     */
    protected function tearDown()
    {
        unset($this->_update);
        $this->_update = null;
    }

    /**
     * Test creation of class instance.
     */
    public function testInit()
    {
        $this->assertInstanceOf('\VisualAppeal\AutoUpdate', $this->_update);
    }

    /**
     * Test if errors get catched if no update file was found.
     */
    public function testErrorUpdateCheck()
    {
        $this->expectException(DownloadException::class);

        $this->_update->setUpdateFile('404.json');
        $response = $this->_update->checkUpdate();

        $this->assertFalse($this->_update->newVersionAvailable());
        $this->assertEquals(0, count($this->_update->getVersionsToUpdate()));
    }

    /**
     * Test if new update is available with a json file.
     */
    public function testJsonNewVersion()
    {
        $this->_update->setUpdateFile('updateAvailable.json');
        $response = $this->_update->checkUpdate();

        $this->assertTrue($response);
        $this->assertTrue($this->_update->newVersionAvailable());
        $this->assertEquals('0.2.1', $this->_update->getLatestVersion());

        $newVersions = $this->_update->getVersionsToUpdate();
        $this->assertEquals(2, count($newVersions));
        $this->assertEquals('0.2.0', $newVersions[0]);
        $this->assertEquals('0.2.1', $newVersions[1]);
    }

    /**
     * Test if NO new update is available with a json file.
     */
    public function testJsonNoNewVersion()
    {
        $this->_update->setUpdateFile('noUpdateAvailable.json');
        $response = $this->_update->checkUpdate();

        $this->assertEquals(AutoUpdate::NO_UPDATE_AVAILABLE, $response);
        $this->assertFalse($this->_update->newVersionAvailable());
        $this->assertEquals(0, count($this->_update->getVersionsToUpdate()));
    }

    /**
     * Test if new update is available with a ini file.
     */
    public function testIniNewVersion()
    {
        $this->_update->setUpdateFile('updateAvailable.ini');
        $response = $this->_update->checkUpdate();

        $this->assertTrue($response);
        $this->assertTrue($this->_update->newVersionAvailable());
        $this->assertEquals('0.2.1', $this->_update->getLatestVersion());

        $newVersions = $this->_update->getVersionsToUpdate();
        $this->assertEquals(2, count($newVersions));
        $this->assertEquals('0.2.0', $newVersions[0]);
        $this->assertEquals('0.2.1', $newVersions[1]);
    }

    /**
     * Test if NO new update is available with a ini file.
     */
    public function testIniNoNewVersion()
    {
        $this->_update->setUpdateFile('noUpdateAvailable.ini');
        $response = $this->_update->checkUpdate();

        $this->assertEquals(AutoUpdate::NO_UPDATE_AVAILABLE, $response);
        $this->assertFalse($this->_update->newVersionAvailable());
        $this->assertEquals(0, count($this->_update->getVersionsToUpdate()));
    }

    /**
     * Ensure that a new dev version is available.
     */
    public function testBranchDev()
    {
        $this->_update->setUpdateFile('updateAvailable.json');
        $this->_update->setBranch('dev');
        $response = $this->_update->checkUpdate();

        $this->assertTrue($response);
    }

    /**
     * Ensure that no new master version is available
     */
    public function testBranchMaster()
    {
        $this->_update->setUpdateFile('noUpdateAvailable.json');
        $this->_update->setBranch('master');
        $response = $this->_update->checkUpdate();

        $this->assertEquals(AutoUpdate::NO_UPDATE_AVAILABLE, $response);
    }

    /**
     * Test the trailing slash method.
     */
    public function testTrailingSlashes()
    {
        $dir = DIRECTORY_SEPARATOR . 'test';
        $this->assertEquals(DIRECTORY_SEPARATOR . 'test' . DIRECTORY_SEPARATOR, $this->_update->addTrailingSlash($dir));

        $dir = DIRECTORY_SEPARATOR . 'test' . DIRECTORY_SEPARATOR;
        $this->assertEquals(DIRECTORY_SEPARATOR . 'test' . DIRECTORY_SEPARATOR, $this->_update->addTrailingSlash($dir));
    }
}