<?php

namespace App\Exceptions;

use Illuminate\Auth\Access\AuthorizationException;
use Illuminate\Database\Eloquent\ModelNotFoundException;
use Illuminate\Support\Facades\Log;
use Illuminate\Validation\ValidationException;
use Laravel\Lumen\Exceptions\Handler as ExceptionHandler;
use Symfony\Component\HttpKernel\Exception\HttpException;
use Symfony\Component\HttpKernel\Exception\MethodNotAllowedHttpException;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
use Throwable;

class Handler extends ExceptionHandler
{
    /**
     * A list of the exception types that should not be reported.
     *
     * @var array
     */
    protected $dontReport = [
        AuthorizationException::class,
        HttpException::class,
        ModelNotFoundException::class,
        ValidationException::class,
        MethodNotAllowedHttpException::class,
        NotFoundHttpException::class,
    ];

    protected $reportRollbarOnly = [
        AuthorizationException::class,
        HttpException::class,
        ModelNotFoundException::class,
        ValidationException::class,
    ];

    /**
     * This mapping holds exceptions we're interested in and creates a simple configuration that can guide us
     * with formatting how it is rendered.
     *
     * @var array|array[]
     */
    protected $exceptionMap = [
        ModelNotFoundException::class => [
            'code' => 404,
            'message' => 'Could not find what you were looking for.',
            'adaptMessage' => false,
        ],

        NotFoundHttpException::class => [
            'code' => 404,
            'message' => 'Could not find what you were looking for.',
            'adaptMessage' => false,
        ],

        MethodNotAllowedHttpException::class => [
            'code' => 405,
            'message' => 'This method is not allowed for this endpoint.',
            'adaptMessage' => false,
        ],

        ValidationException::class => [
            'code' => 422,
            'message' => 'Some data failed validation in the request',
            'adaptMessage' => false,
        ],

        \InvalidArgumentException::class => [
            'code' => 400,
            'message' => 'You provided some invalid input value',
            'adaptMessage' => true,
        ],
    ];

    /**
     * Report or log an exception.
     *
     * This is a great spot to send exceptions to Sentry, Bugsnag, etc.
     *
     * @param \Throwable $exception
     * @return void
     *
     * @throws \Exception
     */
    public function report(Throwable $exception)
    {
        foreach ($this->reportRollbarOnly as $type) {
            if ($exception instanceof $type) {
                Log::error($exception->getMessage(), request()->all());
                return;
            }
        }

        if ($this->shouldntReport($exception)) {
            return;
        }

        parent::report($exception);
    }

    /**
     * Render an exception into an HTTP response.
     *
     * @param \Illuminate\Http\Request $request
     * @param \Throwable $exception
     * @return \Illuminate\Http\Response|\Illuminate\Http\JsonResponse
     *
     * @throws \Throwable
     */
    public function render($request, Throwable $exception)
    {
        $response = $this->formatException($exception);

        return response()->json(['error' => $response], $response['status'] ?? 500);
    }

    /**
     * A simple implementation to help us format an exception before we render me
     *
     * @param \Throwable $exception
     *
     * @return array
     */
    protected function formatException(\Throwable $exception): array
    {
        # We get the class name for the exception that was raised
        $exceptionClass = get_class($exception);

        # we see if we have registered it in the mapping - if it isn't
        # we create an initial structure as an 'Internal Server Error'
        # note that this can always be revised at a later time
        $definition = $this->exceptionMap[$exceptionClass] ?? [
                'code' => 500,
                'message' => $exception->getMessage() ?? 'Something went wrong while processing your request',
                'adaptMessage' => false,
            ];

        if (!empty($definition['adaptMessage'])) {

            $definition['message'] = $exception->getMessage() ?? $definition['message'];
        }

        return [
            'status' => $definition['code'] ?? 500,
            'title' => $definition['title'] ?? 'Error',
            'description' => $definition['message'],
        ];
    }
}