import { describe, expect, it } from "vitest";

import { canStartServer, canStopServer } from "./serverManagement";
import type { ServerInstanceState } from "../api/types";

describe("server management lifecycle contracts", () => {
  it("allows explicit starts from recoverable non-running states", () => {
    const startable: ServerInstanceState[] = ["ready", "stopped", "failed"];
    const blocked: ServerInstanceState[] = ["draft", "installing", "running", "deleted"];

    expect(startable.every(canStartServer)).toBe(true);
    expect(blocked.some(canStartServer)).toBe(false);
  });

  it("keeps stop limited to running servers", () => {
    expect(canStopServer("running")).toBe(true);
    expect(canStopServer("failed")).toBe(false);
  });
});