import { expect, test } from "vitest";
import {
  createActorID,
  Dot,
  LWWMapCRDT,
  LWWRegisterCRDT,
  SequenceCRDT,
} from "./crdt";

test("Add items to a sequence", () => {
  const actorA = createActorID("A");
  let crdtA = new SequenceCRDT<
    Map<"char", string>,
    LWWMapCRDT<"char", string>
  >();
  let prevId: Dot | null = null;
  [crdtA, prevId] = crdtA.insert(
    actorA,
    prevId,
    new LWWMapCRDT(
      new Map([["char", new LWWRegisterCRDT("a", new Dot(actorA, 1))]]),
    ),
  );
  [crdtA, prevId] = crdtA.insert(
    actorA,
    prevId,
    new LWWMapCRDT(
      new Map([["char", new LWWRegisterCRDT("b", new Dot(actorA, 1))]]),
    ),
  );
  [crdtA, prevId] = crdtA.insert(
    actorA,
    prevId,
    new LWWMapCRDT(
      new Map([["char", new LWWRegisterCRDT("c", new Dot(actorA, 1))]]),
    ),
  );

  const sequence = crdtA.getValue();

  expect(sequence.map((item) => item.value.get("char"))).toEqual([
    "a",
    "b",
    "c",
  ]);
});