import { describe, expect, it } from "vitest";
import { withStateDirEnv } from "../test-helpers/state-dir-env.js";
import {
  deleteTelegramUpdateOffset,
  readTelegramUpdateOffset,
  writeTelegramUpdateOffset,
} from "./update-offset-store.js";

describe("deleteTelegramUpdateOffset", () => {
  it("removes the offset file so a new bot starts fresh", async () => {
    await withStateDirEnv("openclaw-tg-offset-", async () => {
      await writeTelegramUpdateOffset({ accountId: "default", updateId: 432_000_000 });
      expect(await readTelegramUpdateOffset({ accountId: "default" })).toBe(432_000_000);

      await deleteTelegramUpdateOffset({ accountId: "default" });
      expect(await readTelegramUpdateOffset({ accountId: "default" })).toBeNull();
    });
  });

  it("does not throw when the offset file does not exist", async () => {
    await withStateDirEnv("openclaw-tg-offset-", async () => {
      await expect(deleteTelegramUpdateOffset({ accountId: "nonexistent" })).resolves.not.toThrow();
    });
  });

  it("only removes the targeted account offset, leaving others intact", async () => {
    await withStateDirEnv("openclaw-tg-offset-", async () => {
      await writeTelegramUpdateOffset({ accountId: "default", updateId: 100 });
      await writeTelegramUpdateOffset({ accountId: "alerts", updateId: 200 });

      await deleteTelegramUpdateOffset({ accountId: "default" });

      expect(await readTelegramUpdateOffset({ accountId: "default" })).toBeNull();
      expect(await readTelegramUpdateOffset({ accountId: "alerts" })).toBe(200);
    });
  });
});