<?php

namespace App\Exceptions;

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

class Handler extends ExceptionHandler
{
    /**
     * A list of exception types with their corresponding custom log levels.
     * @var array<class-string<\Throwable>, \Psr\Log\LogLevel::*>
     */
    protected $levels
        = [
            //
        ];

    /**
     * A list of the exception types that are not reported.
     * @var array<int, class-string<\Throwable>>
     */
    protected $dontReport
        = [
            //
        ];

    /**
     * A list of the inputs that are never flashed to the session on validation exceptions.
     * @var array<int, string>
     */
    protected $dontFlash
        = [
            'current_password',
            'password',
            'password_confirmation',
        ];

    /**
     * Register the exception handling callbacks for the application.
     */
    public function register(): void
    {
        $this->reportable(function (Throwable $e) {
            //
        });
    }

    /**
     * Render an exception into an HTTP response.
     * @param \Illuminate\Http\Request $request
     * @param \Throwable               $e
     * @return \Symfony\Component\HttpFoundation\Response
     * @throws \Throwable
     */
    public function render($request, Throwable $e)
    {
        // API 异常处理
        if ($request->expectsJson() || $request->is('api/*')) {
            return $this->handleApiException($request, $e);
        }

        return parent::render($request, $e);
    }

    /**
     * 处理 API 异常
     * @param \Illuminate\Http\Request $request
     * @param \Throwable               $e
     * @return \Illuminate\Http\JsonResponse
     */
    private function handleApiException(
        Request $request,
        Throwable $e
    ): JsonResponse {
        // 业务异常
        if ($e instanceof CustomException) {
            return app(ApiResponseService::class)->businessError(
                $e->getMessage(),
                $e->getCode() ?: 400
            );
        }

        // 认证异常
        if ($e instanceof AuthenticationException) {
            return app(ApiResponseService::class)->unauthorized(
                $e->getMessage() ?: __('exception.exception_handler.login')
            );
        }

        // 验证异常
        if ($e instanceof ValidationException) {
            return app(ApiResponseService::class)->businessError(
                $e->getMessage(),
                422,
                422
            );
        }

        // 模型未找到异常
        if ($e instanceof ModelNotFoundException) {
            return app(ApiResponseService::class)->businessError(
                __('exception.exception_handler.resource'),
                404
            );
        }

        // 路由未找到异常
        if ($e instanceof NotFoundHttpException) {
            return app(ApiResponseService::class)->businessError(
                __('exception.exception_handler.api'),
                404
            );
        }

        // HTTP 异常
        if ($e instanceof HttpException) {
            $statusCode = $e->getStatusCode();

            if ($statusCode === 403) {
                return app(ApiResponseService::class)->businessError(
                    __('exception.exception_handler.role'),
                    403
                );
            }

            if ($statusCode === 429) {
                return app(ApiResponseService::class)->businessError(
                    __('exception.exception_handler.frequent'),
                    429
                );
            }

            return app(ApiResponseService::class)->systemError(
                $e->getMessage() ?: __('exception.exception_handler.system')
            );
        }

        // 其他异常
        return app(ApiResponseService::class)->systemError(
            __('exception.exception_handler.system') . '：' . $e->getMessage()
        );
    }
}