<?php

namespace yiiunit\extensions\swiftmailer;

use Yii;
use yii\swiftmailer\Mailer;
use yiiunit\VendorTestCase;

Yii::setAlias('@yii/swiftmailer', __DIR__ . '/../../../../extensions/swiftmailer');

/**
 * @group vendor
 * @group mail
 * @group swiftmailer
 */
class MailerTest extends VendorTestCase
{
	public function setUp()
	{
		$this->mockApplication([
			'components' => [
				'email' => $this->createTestEmailComponent()
			]
		]);
	}

	/**
	 * @return Mailer test email component instance.
	 */
	protected function createTestEmailComponent()
	{
		$component = new Mailer();
		return $component;
	}

	// Tests :

	public function testSetupTransport()
	{
		$mailer = new Mailer();

		$transport = \Swift_MailTransport::newInstance();
		$mailer->setTransport($transport);
		$this->assertEquals($transport, $mailer->getTransport(), 'Unable to setup transport!');
	}

	/**
	 * @depends testSetupTransport
	 */
	public function testConfigureTransport()
	{
		$mailer = new Mailer();

		$transportConfig = [
			'class' => 'Swift_SmtpTransport',
			'host' => 'localhost',
			'username' => 'username',
			'password' => 'password',
		];
		$mailer->setTransport($transportConfig);
		$transport = $mailer->getTransport();
		$this->assertTrue(is_object($transport), 'Unable to setup transport via config!');
		$this->assertEquals($transportConfig['class'], get_class($transport), 'Invalid transport class!');
		$this->assertEquals($transportConfig['host'], $transport->getHost(), 'Invalid transport host!');
	}

	/**
	 * @depends testConfigureTransport
	 */
	public function testConfigureTransportConstruct()
	{
		$mailer = new Mailer();

		$class = 'Swift_SmtpTransport';
		$host = 'some.test.host';
		$port = 999;
		$transportConfig = [
			'class' => $class,
			'constructArgs' => [
				$host,
				$port,
			],
		];
		$mailer->setTransport($transportConfig);
		$transport = $mailer->getTransport();
		$this->assertTrue(is_object($transport), 'Unable to setup transport via config!');
		$this->assertEquals($class, get_class($transport), 'Invalid transport class!');
		$this->assertEquals($host, $transport->getHost(), 'Invalid transport host!');
		$this->assertEquals($port, $transport->getPort(), 'Invalid transport host!');
	}

	/**
	 * @depends testConfigureTransportConstruct
	 */
	public function testConfigureTransportWithPlugins()
	{
		$mailer = new Mailer();

		$pluginClass = 'Swift_Plugins_ThrottlerPlugin';
		$rate = 10;

		$transportConfig = [
			'class' => 'Swift_SmtpTransport',
			'plugins' => [
				[
					'class' => $pluginClass,
					'constructArgs' => [
						$rate,
					],
				],
			],
		];
		$mailer->setTransport($transportConfig);
		$transport = $mailer->getTransport();
		$this->assertTrue(is_object($transport), 'Unable to setup transport via config!');
		$this->assertContains(':' . $pluginClass . ':', print_r($transport, true), 'Plugin not added');
	}

	public function testGetSwiftMailer()
	{
		$mailer = new Mailer();
		$this->assertTrue(is_object($mailer->getSwiftMailer()), 'Unable to get Swift mailer instance!');
	}
}
