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<?php
/**
 * RESTful PHP API for Botleagues
 * Copyright (C) 2015 Camil Staps <info@camilstaps.nl>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
namespace CamilStaps\BotleaguesApi;

use \Illuminate\Support\Facades\Request;
use \Illuminate\Support\ServiceProvider;
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->loadViewsFrom(__DIR__ . '/../../views', 'botleagues-api');
        $this->publishes([ __DIR__ . '/../../views' => base_path('resources/view/vendor/botleagues-api')], 'views');

        $this->publishes([ __DIR__ . '/../../config/botleaguesapi.php' => config_path('botleaguesapi.php')], 'config');

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

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

        // To allow loading API requests from the specified domain
        $allowed_origin = config('botleaguesapi.allowed_origin');
        if (is_array($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()
	{
    }

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

	/**
	 * Setup nice error handlers for exceptions and fatal errors
	 */
	private function setupErrorHandlers() {
        $exception = app('api.exception');

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

        $exception->register(function(\Exception $e) {
            return Response::make(
				['error' => config('app.debug') ? $e->getMessage() : "Internal error"],
				500);
		});
	}

}