<?php

namespace SilverStripe\Control\Tests\RequestHandlingTest;

use SilverStripe\Control\Controller;
use SilverStripe\Control\HTTPResponse;
use SilverStripe\Control\HTTPResponse_Exception;
use SilverStripe\Dev\TestOnly;
use SilverStripe\Forms\FieldList;
use SilverStripe\Forms\FormAction;
use SilverStripe\View\SSViewer;

/**
 * Controller for the test
 */
class TestController extends Controller implements TestOnly
{

	private static $allowed_actions = array(
		'method',
		'legacymethod',
		'virtualfile',
		'TestForm',
		'throwexception',
		'throwresponseexception',
		'throwhttperror',
	);

	private static $url_handlers = array(
		// The double-slash is need here to ensure that
		'$Action//$ID/$OtherID' => "handleAction",
	);

	private static $extensions = array(
		ControllerExtension::class,
		AllowedControllerExtension::class,
	);

	public function __construct()
	{
		$this->failover = new ControllerFailover();
		parent::__construct();
	}

	public function index($request)
	{
		return "This is the controller";
	}

	public function method($request)
	{
		return "This is a method on the controller: " . $request->param('ID') . ', ' . $request->param('OtherID');
	}

	public function legacymethod($request)
	{
		return "\$this->urlParams can be used, for backward compatibility: " . $this->urlParams['ID'] . ', '
		. $this->urlParams['OtherID'];
	}

	public function virtualfile($request)
	{
		return "This is the virtualfile method";
	}

	public function TestForm()
	{
		return new TestForm($this, "TestForm", new FieldList(
			new TestFormField("MyField"),
			new SubclassedFormField("SubclassedField")
		), new FieldList(
			new FormAction("myAction")
		));
	}

	public function throwexception()
	{
		throw new HTTPResponse_Exception('This request was invalid.', 400);
	}

	public function throwresponseexception()
	{
		throw new HTTPResponse_Exception(new HTTPResponse('There was an internal server error.', 500));
	}

	public function throwhttperror()
	{
		$this->httpError(404, 'This page does not exist.');
	}

	public function getViewer($action)
	{
		return new SSViewer('BlankPage');
	}
}