<?php

namespace App\Exceptions;

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


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
    ];

    /**
     * Report or log an exception.
     *
     * @param  Exception  $exception
     * @return mixed|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)
    {
        $code = 500;
        if (method_exists($exception, 'getStatusCode')) $code = $exception->getStatuscode();

        $request = request();
        $requestUri = $request->getRequestUri();
        // Ignore case
        $requestUri = strtolower($requestUri);

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

        //Backup mail configuration
        $originalMailConfig = Config::get('mail');

        //Configure the mail settings to be different for the exception mail
        $expectionMailConfig = $originalMailConfig; //Copy array
        $expectionMailConfig['driver'] = $originalMailConfig['exception_driver'];
        $expectionMailConfig['host'] = $originalMailConfig['exception_host'];
        $expectionMailConfig['port'] = $originalMailConfig['exception_port'];
        $expectionMailConfig['from'] = $originalMailConfig['exception_from'];
        $expectionMailConfig['admin'] = $originalMailConfig['exception_admin'];
        $expectionMailConfig['encryption'] = $originalMailConfig['exception_encryption'];
        $expectionMailConfig['username'] = $originalMailConfig['exception_username'];
        $expectionMailConfig['password'] = $originalMailConfig['exception_password'];
        Config::set('mail', $expectionMailConfig);

        \Mail::send(new ErrorAdminMail($code, $requestUri, $exception));

        //Restore the original mail configuration
        Config::set('mail', $originalMailConfig);
    }

    /**
     * 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) {

            return true;
            // 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)
    {
        $status = $e->getStatusCode();

        $paths = collect(config('view.paths'));

        view()->replaceNamespace('errors', $paths->map(function ($path) {
            return "{$path}/errors";
        })->push(__DIR__.'/views')->all());

        $pageService = new PageService();
        $links = $pageService->getAllTranslatedPageRoutes();

        $data = [
            'exception' => $e,
            'code' => $status,
            'links' => $links,
            'message' => $e->getMessage(),
        ];

        if (view()->exists($view = "errors::{$status}")) {
            return response()->view($view, $data, $status, $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);
        }

        //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);
        }

//        return redirect()->guest('login');
        return redirect()->guest(Config::get('kms.paths.login_route'));
    }
}