<?php
namespace Former\TestCases;

use Former\FormerServiceProvider;
use Illuminate\Container\Container;
use Mockery;
use PHPUnit_Framework_TestCase;

/**
 * A TestCase that creates a mocked Container to use as core
 */
abstract class ContainerTestCase extends PHPUnit_Framework_TestCase
{
	/**
	 * A cache of the container
	 *
	 * @var Container
	 */
	protected static $appCache;

	/**
	 * The current instance of the Container
	 *
	 * @var Container
	 */
	protected $app;

	/**
	 * Build the IoC Container for the tests
	 */
	public function setUp()
	{
		if (!static::$appCache) {
			$this->app = FormerServiceProvider::make();

			// Setup Illuminate
			$this->mockSession();
			$this->mockTranslator();
			$this->mockUrl();
			$this->mockValidator();

			static::$appCache = $this->app;
		}

		$this->app = static::$appCache;
		$this->mockConfig();
		$this->mockRequest();
	}

	/**
	 * Bind mocked expectations into the Container
	 *
	 * @param string  $binding
	 * @param string  $name
	 * @param \Closure $expectations
	 *
	 * @return Mockery
	 */
	public function mock($binding, $name, $expectations)
	{
		$mocked = Mockery::mock($name);
		$mocked = $expectations($mocked);
		if ($mocked instanceof Mockery\CompositeExpectation) {
			$mocked = $mocked->mock();
		}

		// Bind into container
		$this->$binding = $mocked;

		return $mocked;
	}

	/**
	 * Get an instance on the Container
	 *
	 * @param  string $key
	 *
	 * @return object
	 */
	public function __get($key)
	{
		return $this->app->make($key);
	}

	/**
	 * Set an instance on the Container
	 *
	 * @param string $key
	 * @param object $value
	 */
	public function __set($key, $value)
	{
		return $this->app[$key] = $value;
	}

	////////////////////////////////////////////////////////////////////
	////////////////////////////// CONTAINER ///////////////////////////
	////////////////////////////////////////////////////////////////////

	/**
	 * Mock the Config repository
	 *
	 * @return Mockery
	 */
	protected function mockConfig(array $options = array())
	{
		$defaults = include realpath(__DIR__.'/../../src/config/former.php');

		$options = array_merge($defaults, array(
			'automatic_label'                     => true,
			'capitalize_translations'             => true,
			'default_form_type'                   => 'horizontal',
			'error_messages'                      => true,
			'fetch_errors'                        => false,
			'framework'                           => 'TwitterBootstrap',
			'icon_prefix'                         => null,
			'icon_set'                            => null,
			'icon_tag'                            => null,
			'live_validation'                     => true,
			'push_checkboxes'                     => false,
			'required_class'                      => 'required',
			'required_text'                       => '*',
			'translate_from'                      => 'validation.attributes',
			'unchecked_value'                     => '',
			'translatable'                        => array(
				'help',
				'inlineHelp',
				'blockHelp',
				'placeholder',
				'data_placeholder',
				'label',
			),
			'Nude.icon.prefix'                    => 'icon',
			'Nude.icon.set'                       => null,
			'Nude.icon.tag'                       => 'i',
			'Nude.labelWidths'                    => null,
			'TwitterBootstrap.icon.prefix'        => 'icon',
			'TwitterBootstrap.icon.set'           => null,
			'TwitterBootstrap.icon.tag'           => 'i',
			'TwitterBootstrap.labelWidths'        => null,
			'TwitterBootstrap3.icon.prefix'       => 'glyphicon',
			'TwitterBootstrap3.icon.set'          => 'glyphicon',
			'TwitterBootstrap3.icon.tag'          => 'span',
			'TwitterBootstrap3.labelWidths'       => array('large' => 2, 'small' => 4),
			'TwitterBootstrap3.viewports'         => array(
				'large'  => 'lg',
				'medium' => 'md',
				'small'  => 'sm',
				'mini'   => 'xs',
			),
			'ZurbFoundation.icon.prefix'          => 'fi',
			'ZurbFoundation.icon.set'             => null,
			'ZurbFoundation.icon.tag'             => 'i',
			'ZurbFoundation.labelWidths'          => array('large' => 2, 'small' => 4),
			'ZurbFoundation.viewports'            => array(
				'large'  => '',
				'medium' => null,
				'small'  => 'mobile-',
				'mini'   => null,
			),
			'ZurbFoundation.wrappedLabelClasses'  => array('right', 'inline'),
			'ZurbFoundation.error_classes'        => array('class' => 'alert-box alert error'),
			'ZurbFoundation4.icon.prefix'         => 'foundicon',
			'ZurbFoundation4.icon.set'            => 'general',
			'ZurbFoundation4.icon.tag'            => 'i',
			'ZurbFoundation4.labelWidths'         => array('small' => 3),
			'ZurbFoundation4.viewports'           => array(
				'large'  => 'large',
				'medium' => null,
				'small'  => 'small',
				'mini'   => null,
			),
			'ZurbFoundation4.wrappedLabelClasses' => array('right', 'inline'),
			'ZurbFoundation4.error_classes'       => array('class' => 'alert-box radius warning'),
			'ZurbFoundation5.icon.prefix'         => 'fi',
			'ZurbFoundation5.icon.set'            => null,
			'ZurbFoundation5.icon.tag'            => 'i',
			'ZurbFoundation5.labelWidths'         => array('small' => 3),
			'ZurbFoundation5.viewports'           => array(
				'large'  => 'large',
				'medium' => null,
				'small'  => 'small',
				'mini'   => null,
			),
			'ZurbFoundation5.wrappedLabelClasses' => array('right', 'inline'),
			'ZurbFoundation5.error_classes'       => array('class' => 'error'),
		), $options);

		return $this->mock('config', 'Config', function ($mock) use ($options) {
			$mock->shouldReceive('application.encoding', Mockery::any())->andReturn('UTF-8');
			$mock->shouldReceive('set')->with(Mockery::any(), Mockery::any());

			foreach ($options as $key => $value) {
				$mock->shouldReceive('get')->with('former.'.$key)->andReturn($value);
				$mock->shouldReceive('get')->with('former.'.$key, Mockery::any())->andReturn($value);
			}

			return $mock;
		});
	}

	/**
	 * Mock the UrlGenerator
	 *
	 * @return Mockery
	 */
	protected function mockUrl()
	{
		$request = $this->mockRequest();

		$this->mock('url', 'Illuminate\Routing\UrlGenerator', function ($mock) use ($request) {
			return $mock
				->shouldReceive('getRequest')->andReturn($request)
				->shouldReceive('to')->andReturnUsing(function ($url) {
					return $url == '#' ? $url : 'https://test/en/'.$url;
				})
				->shouldReceive('action')->with('UsersController@edit', array(2))->andReturn('/users/2/edit')
				->shouldReceive('action')->with('UsersController@edit', 2)->andReturn('/users/2/edit')
				->shouldReceive('route')->with('user.edit', array(2))->andReturn('/users/2/edit')
				->shouldReceive('route')->with('user.edit', 2)->andReturn('/users/2/edit');
		});
	}

	/**
	 * Mock a Validator instance
	 *
	 * @return Mockery
	 */
	protected function mockValidator()
	{
		$messageBag = $this->mockMessageBag(array(
			'required' => 'The required field is required.',
		));

		return $this->mock('validator', 'Illuminate\Contracts\Validation\Validator', function ($mock) use ($messageBag) {
			return $mock->shouldReceive('getMessageBag')->andReturn($messageBag);
		});
	}

	/**
	 * Mock the current Session store
	 *
	 * @param array $errors
	 *
	 * @return Mockery
	 */
	protected function mockSession(array $errors = array())
	{
		$messageBag = $this->mockMessageBag($errors);

		return $this->mock('session', 'Illuminate\Session\Store', function ($mock) use ($messageBag, $errors) {
			$mock->shouldReceive('getToken')->andReturn('csrf_token');
			if ($errors) {
				$mock->shouldReceive('has')->with('errors')->andReturn(true);
				$mock->shouldReceive('get')->with('errors')->andReturn($messageBag);
			} else {
				$mock->shouldReceive('has')->with('errors')->andReturn(false);
				$mock->shouldReceive('get')->with('errors')->andReturn(null);
			}

			return $mock;
		});
	}

	/**
	 * Mock a MessageBag instance
	 *
	 * @param  array $errors
	 *
	 * @return Mockery
	 */
	protected function mockMessageBag(array $errors = array())
	{
		$messages = Mockery::mock('MessageBag');
		foreach ($errors as $key => $value) {
			$messages->shouldReceive('has')->with($key)->andReturn(true);
			$messages->shouldReceive('first')->with($key)->andReturn($value);
		}
		$messages->shouldReceive('first')->withAnyArgs()->andReturn(null);

		return $messages;
	}

	/**
	 * Mock the localization manager
	 *
	 * @return Mockery
	 */
	protected function mockTranslator()
	{
		return $this->mock('translator', 'Illuminate\Translation\Translator', function ($mock) {
			return $mock
				->shouldReceive('get')->with('pagination.next')->andReturn('Next')
				->shouldReceive('get')->with('pagination')->andReturn(array('previous' => 'Previous', 'next' => 'Next'))
				->shouldReceive('get')->with('validation.attributes.field_name_with_underscore')->andReturn(false)
				->shouldReceive('get')->with('validation.attributes.address.city')->andReturn('City')
				->shouldReceive('get')->withAnyArgs()->andReturnUsing(function ($key) {
					return $key;
				})
				->shouldReceive('has')->with('pagination.next')->andReturn(true)
				->shouldReceive('has')->with('pagination.previous')->andReturn(true)
				->shouldReceive('has')->with('validation.attributes.address.city')->andReturn(true)
                ->shouldReceive('has')->with('Invalid Label?')->andThrow(new \Exception("Invalid translation key"))
				->shouldReceive('has')->withAnyArgs()->andReturn(false);
		});
	}

	/**
	 * Mock the Request instance
	 *
	 * @return Mockery
	 */
	protected function mockRequest()
	{
		return $this->mock('request', 'Illuminate\Http\Request', function ($mock) {
			return $mock
				->shouldReceive('url')->andReturn('#')
				->shouldReceive('input')->andReturn(null)->byDefault()
				->shouldReceive('old')->andReturn(null)
				->shouldReceive('path')->andReturnUsing(function () {
					return 'https://test/en/';
				});
		});
	}
}
