import assert from "node:assert/strict";
import { test } from "node:test";
import { digestMatchesRepoDigests, parseImageRef } from "../src/image-ref.js";

test("parses Docker Hub shorthand image references", () => {
  assert.deepEqual(parseImageRef("nginx:1.27"), {
    original: "nginx:1.27",
    registry: "registry-1.docker.io",
    repository: "library/nginx",
    tag: "1.27",
    registryRef: "registry-1.docker.io/library/nginx:1.27",
    repositoryRef: "registry-1.docker.io/library/nginx",
  });
});

test("parses custom registry image references", () => {
  assert.deepEqual(parseImageRef("ghcr.io/example/app:main").registryRef, "ghcr.io/example/app:main");
});

test("defaults missing tags to latest", () => {
  assert.equal(parseImageRef("redis").tag, "latest");
});

test("matches remote digests against repo digests", () => {
  const imageRef = parseImageRef("nginx:latest");
  assert.equal(digestMatchesRepoDigests("sha256:abc", ["registry-1.docker.io/library/nginx@sha256:abc"], imageRef), true);
  assert.equal(digestMatchesRepoDigests("sha256:def", ["registry-1.docker.io/library/nginx@sha256:abc"], imageRef), false);
});