<?php

namespace App\Exceptions;

use App\Mail\AdminError;
use Exception;
use Illuminate\Auth\Access\AuthorizationException;
use Illuminate\Auth\AuthenticationException;
use Illuminate\Database\Eloquent\ModelNotFoundException;
use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
use Illuminate\Http\Exceptions\HttpResponseException;
use Illuminate\Session\TokenMismatchException;
use Illuminate\Support\Facades\Config;
use Illuminate\Validation\ValidationException;
use Symfony\Component\HttpKernel\Exception\HttpException;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;

class Handler extends ExceptionHandler
{
    /**
     * A list of the exception types that should not be reported by mail.
     *
     * @var array
     */
    protected $excludeExceptionsFromMail = [
        AuthenticationException::class,
        AuthorizationException::class,
        TokenMismatchException::class,
        ValidationException::class,
        ModelNotFoundException::class,
        HttpResponseException::class,
    ];

    /**
     * Report or log an exception.
     *
     * This is a great spot to send exceptions to Sentry, Bugsnag, etc.
     *
     * @param \Exception $e
     * @return void
     * @throws Exception
     */
    public function report(Exception $exception)
    {
        if (app()->bound('sentry') && $this->shouldReport($exception)) {
            app('sentry')->captureException($exception);
        }

        parent::report($exception);
    }

    /**
     * Send mail to admin
     *
     * @param $exception
     * @return bool
     */
    private function mailAdmin($exception)
    {
        $code = 0;
        if (method_exists($exception, 'getStatusCode')) {
            $code = $exception->getStatuscode();
        }

        $requestUri = strtolower(request()->getRequestUri());

        // Check for mail exceptions like bots
        if ($this->isMailException($code, $requestUri)) {
            return false;
        }

        $mail = (new AdminError(request(), $exception, $code))->useMailConfigFrom('exception_mail');

        //Send the email
        \Mail::send($mail);
    }

    /**
     * Check if given uri is excluded from mailing to the admin
     *
     * @param $code
     * @param $requestUri
     * @return bool
     */
    private function isMailException($code, $requestUri)
    {
        if ($code == 404) {
            // Check for strings to ignore
            foreach (Config::get('errorIgnore.404') as $string) {
                if (str_contains($requestUri, $string)) {
                    return true;
                }
            }
        } elseif ($code == 500) {
            /*Custom function for this code*/

            // Check for strings to ignore
            foreach (Config::get('errorIgnore.500') as $string) {
                if (str_contains($requestUri, $string)) {
                    return true;
                }
            }
        }

        // Check for strings to ignore
        foreach (Config::get('errorIgnore.all') as $string) {
            if (str_contains($requestUri, $string)) {
                return true;
            }
        }
    }

    /**
     * Render the given HttpException.
     *
     * @param \Symfony\Component\HttpKernel\Exception\HttpException $e
     * @return \Symfony\Component\HttpFoundation\Response
     */
    protected function renderHttpException(HttpException $e)
    {
//        if(\Request::segment(1) == 'kms') { throw $e; } //Don't handle kms exceptions

        //TODO DON'T USE THE PAGE SERVICE NOW. IT IS DEPENDENT ON A SITE AND AND THATS NOT ALWAYS SET PROPERLY IN THE FRONTEND CODE. THIS OFTEN BREAKS BACKEND STUFF
//        $pageService = new PageService();
//        $links = $pageService->getAllTranslatedPageRoutes();

        $view = 'site.templates.error';
        $data = ['exception' => $e];

        if (view()->exists($view)) {
            return response()->view($view, $data, $e->getStatusCode(), $e->getHeaders());
        }

        return $this->convertExceptionToResponse($e);
    }

    /**
     * Render an exception into an HTTP response.
     *
     * @param \Illuminate\Http\Request $request
     * @param \Exception $e
     * @return \Illuminate\Http\Response
     */
    public function render($request, Exception $e)
    {
        if ($e instanceof ModelNotFoundException) {
            $e = new NotFoundHttpException($e->getMessage(), $e);
        }

        if ($e instanceof AuthorizationException) {
            return response()->view('kms.auth.unauthorized');
        }

        //Render the page
        return parent::render($request, $e);
    }

    /**
     * Convert an authentication exception into an unauthenticated response.
     *
     * @param \Illuminate\Http\Request $request
     * @param \Illuminate\Auth\AuthenticationException $exception
     * @return \Illuminate\Http\Response
     */
    protected function unauthenticated($request, AuthenticationException $exception)
    {
        if ($request->expectsJson()) {
            return response()->json(['error' => 'Unauthenticated.'], 401);
        }

        if ($request->segment(1) == 'kms') {
            return redirect()->guest(route('kms.login'));
        } else {
            return redirect()->guest(route('site.login'));
        }
    }
}