<?php 
namespace CamilStaps\BotleaguesApi;

use \Illuminate\Support\Facades\Request;
use \Illuminate\Support\ServiceProvider;
use \Illuminate\Support\Facades\App;
use \Illuminate\Support\Facades\Config;
use \Dingo\Api\Facade\API;
use Redirect;
use Response;

class BotleaguesApiServiceProvider extends ServiceProvider {

	/**
	 * Indicates if loading of the provider is deferred.
	 *
	 * @var bool
	 */
	protected $defer = false;

	/**
	 * Bootstrap the application events.
	 *
	 * @return void
	 */
	public function boot()
	{
		$this->package('camil-staps/botleagues-api', null, __DIR__.'/../..');

		include __DIR__ . '/../../filters.php';
		include __DIR__ . '/../../routes.php';

		// To allow loading API requests from the specified domain
        $allowed_origin = Config::get('config.allowed_origin');
        if (is_array($allowed_origin)) {
            $origin = Request::header('Origin');
            if (in_array($origin, $allowed_origin)) {
                header('Access-Control-Allow-Origin: ' . $origin);
            } else {
                header('Access-Control-Allow-Origin: ' . $allowed_origin[0]);
            }
        } else {
            header('Access-Control-Allow-Origin: ' . $allowed_origin);
        }
        header('Access-Control-Allow-Methods: GET, POST, PUT, DELETE');
        header('Access-Control-Allow-Headers: Authorization');
		
		$this->setupErrorHandlers();
	}

	/**
	 * Register the service provider.
	 *
	 * @return void
	 */
	public function register()
	{
		$this->app->register('Dingo\Api\Provider\ApiServiceProvider');
	}

	/**
	 * Get the services provided by the provider.
	 *
	 * @return array
	 */
	public function provides()
	{
		return array();
	}

	/**
	 * Setup nice error handlers for exceptions and fatal errors
	 */
	private function setupErrorHandlers() {
		App::fatal(function($e) {
			return Response::make(
				['error' => Config::get('app.debug') ? $e->getMessage() : "Internal error"], 
				500);
		});

		API::error(function(\Illuminate\Database\Eloquent\ModelNotFoundException $e) {
			return Response::make(
				['error' => 'Resource not found'], 
				404);
		});
		API::error(function(\Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException $e) {
			return Response::make(
				['error' => !Config::get('app.debug') || empty($e->getMessage()) ? 'Access denied' : $e->getMessage()], 
				404);
		});
		API::error(function(Exception\ValidationException $e) {
			return Response::make(
				[
					'error' => $e->getMessage(),
					'errors' => $e->errors
				], 
				500);
		});
		
		API::error(function(\Exception $e) {
			return Response::make(
				['error' => Config::get('app.debug') ? $e->getMessage() : "Internal error"], 
				500);
		});
	}

}