import { RuleEngineService } from "../src/services/RuleEngineService";

describe("RuleEngineService", () => {
  it("returns defaults and accepts valid updates", () => {
    const svc = new RuleEngineService();
    const defaults = svc.getRules();
    expect(defaults.mode).toBe("manual");

    const updated = svc.updateRules({ mode: "climate_auto", temperatureTargetC: 23.5 }, 1_700_000_123);
    expect(updated.mode).toBe("climate_auto");
    expect(updated.temperatureTargetC).toBe(23.5);
    expect(updated.updatedAtEpochSeconds).toBe(1_700_000_123);
  });

  it("rejects invalid rules", () => {
    const svc = new RuleEngineService();
    expect(() => svc.updateRules({ minimumHoldSeconds: 2 })).toThrow(
      "rules.minimumHoldSeconds must be an integer between 5 and 7200"
    );
  });
});