import { test } from "node:test";
import assert from "node:assert/strict";
import {
  AGENT_FEATURE_VERSION,
  compareVersions,
  shouldOfferAgentOnboarding,
} from "../out/agent/onboarding.js";

test("compareVersions orders dotted numeric versions", () => {
  assert.equal(compareVersions("0.1.26", "0.1.26"), 0);
  assert.equal(compareVersions("0.1.26", "0.1.25"), 1);
  assert.equal(compareVersions("0.1.25", "0.1.26"), -1);
  assert.equal(compareVersions("0.1.26", "0.1"), 1);
  assert.equal(compareVersions("0.2", "0.1.99"), 1);
  assert.equal(compareVersions("1.0.0", "2.0.0"), -1);
  assert.equal(compareVersions("0.1.26-beta", "0.1.26"), 0);
  assert.equal(compareVersions("dev", "0.1.25"), -1);
});

test("a fresh install is offered the AI Agent introduction once", () => {
  assert.equal(shouldOfferAgentOnboarding(undefined, "0.1.26"), true);
  assert.equal(shouldOfferAgentOnboarding({}, "0.1.26"), true);
});

test("upgrading from before the feature informs once", () => {
  assert.equal(
    shouldOfferAgentOnboarding({ informedVersion: "0.1.25" }, "0.1.26"),
    true,
  );
  // ...but not again on the same version or later ones.
  assert.equal(
    shouldOfferAgentOnboarding({ informedVersion: "0.1.26" }, "0.1.26"),
    false,
  );
  assert.equal(
    shouldOfferAgentOnboarding({ informedVersion: "0.1.26" }, "0.1.27"),
    false,
  );
});

test("upgrading from a build that already had the feature stays silent", () => {
  // 0.1.26 introduced it; someone informed on 0.1.26 must not be re-prompted.
  assert.equal(
    shouldOfferAgentOnboarding({ informedVersion: "0.1.26" }, "0.1.30"),
    false,
  );
});

test("dismissed state suppresses the prompt forever", () => {
  assert.equal(
    shouldOfferAgentOnboarding(
      { informedVersion: "0.1.20", dismissed: true },
      "0.1.26",
    ),
    false,
  );
  assert.equal(
    shouldOfferAgentOnboarding(
      { informedVersion: AGENT_FEATURE_VERSION, dismissed: true },
      "0.1.30",
    ),
    false,
  );
});