import { describe, expect, it } from "vitest";
import { effectivePiWebCapabilities, PI_WEB_CAPABILITIES, SESSIOND_RUNTIME_CAPABILITIES, WEB_RUNTIME_CAPABILITIES, parseKnownPiWebCapabilities } from "./capabilities";

describe("PI WEB capabilities", () => {
  it("advertises web-only capabilities without requiring session daemon support", () => {
    expect(WEB_RUNTIME_CAPABILITIES).toContain(PI_WEB_CAPABILITIES.piPackagesManage);
    expect(WEB_RUNTIME_CAPABILITIES).toContain(PI_WEB_CAPABILITIES.selectedMachineSettings);
    expect(SESSIOND_RUNTIME_CAPABILITIES).not.toContain(PI_WEB_CAPABILITIES.piPackagesManage);
    expect(SESSIOND_RUNTIME_CAPABILITIES).not.toContain(PI_WEB_CAPABILITIES.selectedMachineSettings);

    expect(effectivePiWebCapabilities({
      web: { available: true, capabilities: [PI_WEB_CAPABILITIES.piPackagesManage, PI_WEB_CAPABILITIES.selectedMachineSettings] },
      sessiond: { available: false, capabilities: [] },
    })).toEqual([PI_WEB_CAPABILITIES.piPackagesManage, PI_WEB_CAPABILITIES.selectedMachineSettings]);
  });

  it("requires web and session daemon support for authoritative session persistence", () => {
    expect(WEB_RUNTIME_CAPABILITIES).toContain(PI_WEB_CAPABILITIES.sessionsPersistedState);
    expect(SESSIOND_RUNTIME_CAPABILITIES).toContain(PI_WEB_CAPABILITIES.sessionsPersistedState);

    expect(effectivePiWebCapabilities({
      web: { available: true, capabilities: [PI_WEB_CAPABILITIES.sessionsPersistedState] },
      sessiond: { available: false, capabilities: [PI_WEB_CAPABILITIES.sessionsPersistedState] },
    })).not.toContain(PI_WEB_CAPABILITIES.sessionsPersistedState);
    expect(effectivePiWebCapabilities({
      web: { available: true, capabilities: [PI_WEB_CAPABILITIES.sessionsPersistedState] },
      sessiond: { available: true, capabilities: [PI_WEB_CAPABILITIES.sessionsPersistedState] },
    })).toContain(PI_WEB_CAPABILITIES.sessionsPersistedState);
  });

  it("keeps only known string capabilities when parsing runtime data", () => {
    expect(parseKnownPiWebCapabilities([PI_WEB_CAPABILITIES.piPackagesManage, PI_WEB_CAPABILITIES.selectedMachineSettings, "future.capability"])).toEqual([PI_WEB_CAPABILITIES.piPackagesManage, PI_WEB_CAPABILITIES.selectedMachineSettings]);
    expect(parseKnownPiWebCapabilities([PI_WEB_CAPABILITIES.piPackagesManage, 1])).toBeUndefined();
  });
});