import { isNil } from "./Validators";

class URIUtils {
  static getPathSegments(uri: string): string[] {
    if (!uri) return [];
    return uri.split("/").filter((segment) => segment.length > 0);
  }

  static arePathSegmentsMatching(
    pathVariableA: string,
    pathVariableB: string
  ): boolean {
    if (isNil(pathVariableA) && isNil(pathVariableB)) return true;
    if (isNil(pathVariableA) || isNil(pathVariableB)) return false;
    if (pathVariableA === pathVariableB) return true;

    let isPathVariableATemplate: boolean =
      URIUtils.isPathSegmentTemplate(pathVariableA);
    let isPathVariableBTemplate: boolean =
      URIUtils.isPathSegmentTemplate(pathVariableB);
    return isPathVariableATemplate || isPathVariableBTemplate;
  }

  static isPathSegmentTemplate(pathSegment: string): boolean {
    if (isNil(pathSegment)) return false;
    pathSegment = pathSegment.trim();
    return pathSegment.startsWith("{") && pathSegment.endsWith("}");
  }
}

export default URIUtils;