<?php

namespace App\Exceptions;

use Illuminate\Auth\AuthenticationException;
use Illuminate\Database\Eloquent\ModelNotFoundException;
use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
use Illuminate\Http\Exceptions\ThrottleRequestsException;
use Illuminate\Http\Request;
use Illuminate\Validation\ValidationException;
use Symfony\Component\HttpKernel\Exception\HttpException;
use Throwable;

class Handler extends ExceptionHandler
{
    /**
     * A list of the exception types that are not reported.
     *
     * @var string[]
     */
    protected $dontReport = [
        //
    ];

    /**
     * A list of the inputs that are never flashed for validation exceptions.
     *
     * @var string[]
     */
    protected $dontFlash = [
        'current_password',
        'password',
        'password_confirmation',
    ];

    /**
     * Get the default context variables for logging.
     *
     * @return array
     */
    protected function context()
    {
        try {
            return array_merge(parent::context(), [
                'url' => request()->url(),
                'params' => request()->except($this->dontFlash),
                'accept' => request()->header('accept'),
                'client_app' => request()->header('client-app'),
                'client_version' => request()->header('client-version'),
                'client_platform' => request()->header('client-platform'),
                'client_os' => request()->header('client-os'),
            ]);
        } catch (Throwable $e) {
            return [];
        }
    }

    /**
     * Register the exception handling callbacks for the application.
     *
     * @return void
     */
    public function register()
    {
        $this->map(ModelNotFoundException::class, function ($e) {
            $resource = __($key = 'models.'.$e->getModel());

            if ($key === $resource) {
                $resource = str_ireplace(['App\\Models\\Admin\\', 'App\\Models\\'], '', $e->getModel());
            }

            return new HttpException(404, __(':resource not found', ['resource' => $resource]), $e);
        });

        $this->renderable(function (BizException $e, $request) {
            if ($this->shouldReturnJson($request, $e)) {
                return response()->json($this->convertExceptionToArray($e), $e->status);
            }

            if (! config('app.debug')) {
                $e = new HttpException($e->status, $e->getMessage(), $e);
            }

            return $this->prepareResponse($request, $e);
        });

        $this->renderable(function (ThrottleRequestsException $e, Request $request) {
            if ($request->acceptsJson()) {
                return response()->json(['code' => 429, 'message' => $e->getMessage()]);
            }

            return $this->prepareResponse($request, $e);
        });
    }

    /**
     * {@inheritdoc}
     */
    protected function unauthenticated($request, AuthenticationException $exception)
    {
        return $this->shouldReturnJson($request, $exception)
                    ? response()->json([
                        'code' => 401,
                        'message' => $exception->getMessage(),
                    ], 401)
                    : redirect()->guest($exception->redirectTo() ?? route('login'));
    }

    /**
     * {@inheritdoc}
     */
    protected function invalidJson($request, ValidationException $exception)
    {
        return response()->json([
            'code' => 422,
            'message' => $exception->getMessage(),
            'errors' => $exception->errors(),
        ], 200);
    }

    /**
     * {@inheritdoc}
     */
    protected function convertExceptionToArray(Throwable $e)
    {
        $data = [
            'code' => 500,
            'message' => config('app.debug') ? $e->getMessage() : '服务器繁忙，请稍后再试',
        ];
        if ($this->isBizException($e)) {
            $data = [
                'code' => $e->getCode(),
                'message' => $e->getMessage(),
                'data' => null,
            ];

            return $data;
        } elseif ($this->isHttpException($e)) {
            $data = [
                'code' => $e->getStatusCode(),
                'message' => $e->getMessage(),
                'data' => null,
            ];
        }

        return array_merge(parent::convertExceptionToArray($e), $data);
    }

    /**
     * 确认给定的异常是否是自定义业务异常
     *
     * @param  Throwable  $e
     * @return bool
     */
    protected function isBizException(Throwable $e): bool
    {
        return $e instanceof BizException;
    }
}