<?php
use PayPal\Core\PayPalConfigManager;
use PHPUnit\Framework\TestCase;

class PPConfigManagerTest extends TestCase
{
    /**
     * @var PayPalConfigManager
     */
    protected $object;

    /**
     * Sets up the fixture, for example, opens a network connection.
     * This method is called before a test is executed.
     */
    protected function setUp()
    {
        $this->object = new \ReflectionClass('PayPal\Core\PayPalConfigManager');
        runkit_constant_remove('PP_CONFIG_PATH');
    }

    /**
     * Tears down the fixture, for example, closes a network connection.
     * This method is called after a test is executed.
     */
    protected function tearDown()
    {
        $property = $this->object->getProperty('instance');
        $property->setValue(null);
    }


    public function testGetInstance()
    {
        define("PP_CONFIG_PATH", dirname(dirname(dirname(__DIR__))));
        $this->object = PayPalConfigManager::getInstance();
        $instance = $this->object->getInstance();
        $instance2 = $this->object->getInstance();
        $this->assertTrue($instance instanceof PayPalConfigManager);
        $this->assertSame($instance, $instance2);
    }


    public function testGet()
    {
        define("PP_CONFIG_PATH", dirname(dirname(dirname(__DIR__))));
        $this->object = PayPalConfigManager::getInstance();
        $ret = $this->object->get('acct2');
        $this->assertConfiguration(
            array('acct2.ClientId' => 'TestClientId', 'acct2.ClientSecret' => 'TestClientSecret'),
            $ret
        );
        $this->assertTrue(sizeof($ret) == 2);

    }


    public function testGetIniPrefix()
    {
        define("PP_CONFIG_PATH", dirname(dirname(dirname(__DIR__))));
        $this->object = PayPalConfigManager::getInstance();

        $ret = $this->object->getIniPrefix();
        $this->assertContains('acct1', $ret);
        $this->assertEquals(sizeof($ret), 2);

        $ret = $this->object->getIniPrefix('TestClientId');
        $this->assertEquals('acct2', $ret);
    }


    public function testConfigByDefault()
    {
        define("PP_CONFIG_PATH", dirname(dirname(dirname(__DIR__))));
        $this->object = PayPalConfigManager::getInstance();

        // Test file based config params and defaults
        $config = PayPalConfigManager::getInstance()->getConfigHashmap();
        $this->assertConfiguration(array('mode' => 'sandbox', 'http.ConnectionTimeOut' => '60'), $config);
    }


    public function testConfigByCustom()
    {
        define("PP_CONFIG_PATH", dirname(dirname(dirname(__DIR__))));
        $this->object = PayPalConfigManager::getInstance();

        // Test custom config params and defaults
        $config = PayPalConfigManager::getInstance()->addConfigs(array('mode' => 'custom', 'http.ConnectionTimeOut' => 900))->getConfigHashmap();
        $this->assertConfiguration(array('mode' => 'custom', 'http.ConnectionTimeOut' => '900'), $config);
    }


    public function testConfigByFileAndCustom() {
        define("PP_CONFIG_PATH", __DIR__. '/non_existent/');
        $this->object = PayPalConfigManager::getInstance();

        $config = PayPalConfigManager::getInstance()->getConfigHashmap();
        $this->assertArrayHasKey('http.ConnectionTimeOut', $config);
        $this->assertEquals('30', $config['http.ConnectionTimeOut']);
        $this->assertEquals('5', $config['http.Retry']);

        //Add more configs
        $config = PayPalConfigManager::getInstance()->addConfigs(array('http.Retry' => "10", 'mode' => 'sandbox'))->getConfigHashmap();
        $this->assertConfiguration(array('http.ConnectionTimeOut' => "30", 'http.Retry' => "10", 'mode' => 'sandbox'), $config);
    }

    /**
     * Asserts if each configuration is available and has expected value.
     *
     * @param $conditions
     * @param $config
     */
    public function assertConfiguration($conditions, $config) {
        foreach($conditions as $key => $value) {
            $this->assertArrayHasKey($key, $config);
            $this->assertEquals($value, $config[$key]);
        }
    }
}
?>