import {assertUnreachable} from '@techniker-me/tools';

export enum HttpMethod {
  GET = 0,
  POST = 1,
  PUT = 2,
  DELETE = 3,
  PATCH = 4,
  OPTIONS = 5
}

export type HttpMethodType = keyof typeof HttpMethod;

export class HttpMethodMapping {
  public static convertHttpMethodTypeToHttpMethod(method: HttpMethodType): HttpMethod {
    switch (method) {
      case 'GET':
        return HttpMethod.GET;
      case 'POST':
        return HttpMethod.POST;
      case 'PUT':
        return HttpMethod.PUT;
      case 'DELETE':
        return HttpMethod.DELETE;
      case 'PATCH':
        return HttpMethod.PATCH;
      case 'OPTIONS':
        return HttpMethod.OPTIONS;
      default:
        assertUnreachable(method);
    }
  }

  public static convertHttpMethodToHttpMethodType(method: HttpMethod): HttpMethodType {
    switch (method) {
      case HttpMethod.GET:
        return 'GET';
      case HttpMethod.POST:
        return 'POST';
      case HttpMethod.PUT:
        return 'PUT';
      case HttpMethod.DELETE:
        return 'DELETE';
      case HttpMethod.PATCH:
        return 'PATCH';
      case HttpMethod.OPTIONS:
        return 'OPTIONS';
      default:
        assertUnreachable(method);
    }
  }
}