ci.ts

interface Provider {
  matcher(): boolean;
  ci: CI;
}

interface CI {
  repo: string;
  refName: string;
  sha: string;
  user: string;
}

const GITHUB = {
  matcher: () => !!process.env.GITHUB_ACTIONS,
  ci: {
    repo: process.env.GITHUB_REPOSITORY ?? "",
    refName: process.env.GITHUB_HEAD_REF ?? process.env.GITHUB_REF_NAME ?? "",
    sha: process.env.GITHUB_SHA ?? "",
    user: process.env.GITHUB_ACTOR ?? "",
  },
};

const GITLAB = {
  matcher: () => !!process.env.GITLAB_CI,
  ci: {
    repo: process.env.CI_PROJECT_PATH ?? "",
    refName: process.env.CI_COMMIT_REF_NAME ?? "",
    sha: process.env.CI_COMMIT_SHA ?? "",
    user: process.env.GITLAB_USER_LOGIN ?? "",
  },
};

const JENKINS = {
  matcher: () => !!process.env.JENKINS_URL,
  ci: {
    repo: process.env.GIT_URL ?? "",
    refName: process.env.GIT_BRANCH ?? "",
    sha: process.env.GIT_COMMIT ?? "",
    user: "",
  },
};

const BITBUCKET = {
  matcher: () => !!process.env.BITBUCKET_BUILD_NUMBER,
  ci: {
    repo: process.env.BITBUCKET_REPO_FULL_NAME ?? "",
    refName: process.env.BITBUCKET_BRANCH ?? "",
    sha: process.env.BITBUCKET_COMMIT ?? "",
    user: process.env.BITBUCKET_STEP_TRIGGERER_UUID ?? "",
  },
};

const CIRCLECI = {
  matcher: () => !!process.env.CIRCLECI,
  ci: {
    repo: process.env.CIRCLE_REPOSITORY_URL ?? "",
    refName: process.env.CIRCLE_BRANCH ?? "",
    sha: process.env.CIRCLE_SHA1 ?? "",
    user: process.env.CIRCLE_USERNAME ?? "",
  },
};

const DEFAULT = {
  matcher: () => true,
  ci: {
    repo: "",
    refName: "",
    sha: "",
    user: "",
  },
};

const providers: Provider[] = [GITHUB, GITLAB, JENKINS, BITBUCKET, CIRCLECI];

const provider = providers.find((p) => p.matcher());

export const CI = provider?.ci ?? DEFAULT.ci;