<?php

declare(strict_types=1);

namespace App\Support;

use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Symfony\Component\HttpFoundation\Response;

final class ApiExceptionResponse
{
    public static function normalize(Response $response, Request $request): Response
    {
        if (! $request->is('api/*')) {
            return $response;
        }

        $status = $response->getStatusCode();
        $payload = self::payload($response);

        if (($payload['success'] ?? null) === false && array_key_exists('message', $payload)) {
            return $response;
        }

        $errors = [];
        if ($status === 422 && isset($payload['errors']) && is_array($payload['errors'])) {
            $errors = $payload['errors'];
        }

        $fallback = is_string($payload['message'] ?? null) ? $payload['message'] : '';

        return ApiResponse::failure(self::messageForStatus($status, $fallback), $errors, $status);
    }

    public static function messageForStatus(int $status, string $fallback): string
    {
        return match ($status) {
            401 => '未认证',
            403 => '无权访问',
            404 => '资源不存在',
            405 => '方法不允许',
            419 => '页面已过期',
            422 => '参数错误',
            429 => '请求过于频繁',
            default => $status >= 500 ? '操作失败' : ($fallback !== '' ? $fallback : '操作失败'),
        };
    }

    /**
     * @return array<string, mixed>
     */
    private static function payload(Response $response): array
    {
        if (! $response instanceof JsonResponse) {
            return [];
        }

        $data = $response->getData(true);

        return is_array($data) ? $data : [];
    }
}