import {SembleUrlType} from "./citoid";

export interface UrlPattern {
  regex: RegExp;
  type: SembleUrlType;
  description?: string;
}

export class UrlClassifier {
  private static readonly patterns: UrlPattern[] = [
    {
      regex: /^https:\/\/bsky\.app\/profile\/[^/]+\/post\/[^/]+$/,
      type: SembleUrlType.SOCIAL,
      description: "Bluesky post"
    },
    {
      regex: /^https:\/\/blacksky\.community\/profile\/[^/]+\/post\/[^/]+$/,
      type: SembleUrlType.SOCIAL,
      description: "Blacksky community post"
    },
    {
      regex: /^https:\/\/deer\.social\/profile\/[^/]+\/post\/[^/]+$/,
      type: SembleUrlType.SOCIAL,
      description: "Deer social post"
    },
    {
      regex: /^https:\/\/smokesignal\.events\/[^/]+\/[^/]+$/,
      type: SembleUrlType.LINK,
      description: "Smokesignal event"
    },
    {
      regex: /^https:\/\/tangled\.org\/[^/]+\/[^/]+/,
      type: SembleUrlType.SOFTWARE,
      description: "Tangled repo"
    },
    {
      regex: /^https:\/\/[^./]+\.leaflet\.pub\/[^/]+$/,
      type: SembleUrlType.ARTICLE,
      description: "Leaflet article"
    }
  ];

  public static classifyUrl(url: string): SembleUrlType | null {
    for (const pattern of this.patterns) {
      if (pattern.regex.test(url)) {
        return pattern.type;
      }
    }
    return null;
  }
}