import assert from "node:assert/strict";
import { describe, it } from "node:test";
import {
  automaticProjectSnapshotIntervalRevisions,
  automaticProjectSnapshotRetentionCount,
  shouldCaptureAutomaticProjectSnapshot,
} from "../src/domain/models/project-snapshot-policy.model.js";

describe("automatic project snapshot policy", () => {
  it("captures every 25 revisions and retains twelve automatic snapshots", () => {
    assert.equal(automaticProjectSnapshotIntervalRevisions, 25);
    assert.equal(automaticProjectSnapshotRetentionCount, 12);
    assert.equal(
      shouldCaptureAutomaticProjectSnapshot(24, null),
      false
    );
    assert.equal(
      shouldCaptureAutomaticProjectSnapshot(25, null),
      true
    );
    assert.equal(
      shouldCaptureAutomaticProjectSnapshot(49, 25),
      false
    );
    assert.equal(
      shouldCaptureAutomaticProjectSnapshot(50, 25),
      true
    );
  });

  it("rejects invalid or inconsistent revision inputs", () => {
    assert.throws(
      () => shouldCaptureAutomaticProjectSnapshot(-1, null),
      /non-negative integer/
    );
    assert.throws(
      () => shouldCaptureAutomaticProjectSnapshot(25, 26),
      /exceeds current revision/
    );
  });
});