import { isUndefined } from '@sindresorhus/is';
import { regEx } from '../../../util/regex.ts';
import { GenericVersioningApi } from '../generic.ts';
import type { GenericVersion, VersioningApi } from '../types.ts';

export const id = 'redhat';
export const displayName = 'Red Hat';
export const urls = [];
export const supportsRanges = false;

const pattern = regEx(
  /^v?(?<major>\d+)(?:\.(?<minor>\d+))?(?:\.(?<patch>\d+))?(?:\.GA)?(?:-(?<releaseMajor>\d+)(?:\.(?<releaseMinor>\d+))?)?$/,
);

class RedhatVersioningApi extends GenericVersioningApi {
  protected _parse(version: string): GenericVersion | null {
    const matches = pattern.exec(version)?.groups;
    if (!matches) {
      return null;
    }

    const { major, minor, patch, releaseMajor, releaseMinor } = matches;
    const release = [
      Number.parseInt(major, 10),
      isUndefined(minor) ? 0 : Number.parseInt(minor, 10),
      isUndefined(patch) ? 0 : Number.parseInt(patch, 10),
      isUndefined(releaseMajor) ? 0 : Number.parseInt(releaseMajor, 10),
      isUndefined(releaseMinor) ? 0 : Number.parseInt(releaseMinor, 10),
    ];

    return { release, prerelease: '' };
  }
}

export const api: VersioningApi = new RedhatVersioningApi();

export default api;