import { AppConfig } from "../src/config/AppConfig";

describe("AppConfig", () => {
  it("loads required fields with defaults", () => {
    const config = AppConfig.fromEnv({
      ACI_EMAIL: "grower@example.com",
      ACI_PASSWORD: "super-secret"
    });

    expect(config.mode).toBe("cloud");
    expect(config.aciHost).toBe("http://www.acinfinityserver.com");
    expect(config.pollIntervalSeconds).toBe(30);
    expect(config.listenPort).toBe(9108);
    expect(config.requestTimeoutMs).toBe(10000);
    expect(config.logLevel).toBe("info");
    expect(config.enableControlApi).toBe(false);
    expect(config.controlListenPort).toBe(9110);
    expect(config.bleDefaultMac).toBeNull();
    expect(config.bleAllowedMacs).toEqual([]);
    expect(config.bleDeviceType).toBe(11);
    expect(config.bleScanTimeoutMs).toBe(20000);
    expect(config.blePortBase).toBe(1);
  });

  it("throws when required values are missing", () => {
    expect(() => AppConfig.fromEnv({})).toThrow("ACI_EMAIL is required");
    expect(() =>
      AppConfig.fromEnv({
        ACI_EMAIL: "x",
        ACI_PASSWORD: "",
        POLL_INTERVAL_SECONDS: "30"
      })
    ).toThrow("ACI_PASSWORD is required");
  });

  it("validates numeric ranges", () => {
    expect(() =>
      AppConfig.fromEnv({
        ACI_EMAIL: "x",
        ACI_PASSWORD: "y",
        POLL_INTERVAL_SECONDS: "4"
      })
    ).toThrow("POLL_INTERVAL_SECONDS must be between 5 and 600");
  });

  it("supports ble mode without cloud credentials", () => {
    const config = AppConfig.fromEnv({
      TYPHON_MODE: "ble",
      ENABLE_CONTROL_API: "true",
      TY_BLE_DEFAULT_MAC: "58:8c:81:c6:fc:f6",
      TY_BLE_ALLOWED_MACS: "11:22:33:44:55:66",
      TY_BLE_DEVICE_TYPE: "11",
      TY_BLE_SCAN_TIMEOUT_MS: "25000",
      TY_BLE_PORT_BASE: "1"
    });

    expect(config.mode).toBe("ble");
    expect(config.aciEmail).toBeNull();
    expect(config.aciPassword).toBeNull();
    expect(config.enableControlApi).toBe(true);
    expect(config.bleDefaultMac).toBe("58:8C:81:C6:FC:F6");
    expect(config.bleAllowedMacs).toEqual([
      "11:22:33:44:55:66",
      "58:8C:81:C6:FC:F6"
    ]);
    expect(config.bleDeviceType).toBe(11);
    expect(config.bleScanTimeoutMs).toBe(25000);
    expect(config.blePortBase).toBe(1);
  });

  it("validates mode and MAC inputs", () => {
    expect(() => AppConfig.fromEnv({
      TYPHON_MODE: "unknown",
      ACI_EMAIL: "x",
      ACI_PASSWORD: "y"
    })).toThrow("TYPHON_MODE must be one of: cloud, ble");

    expect(() => AppConfig.fromEnv({
      TYPHON_MODE: "ble",
      TY_BLE_DEFAULT_MAC: "not-a-mac"
    })).toThrow("TY_BLE_DEFAULT_MAC must be a MAC address like AA:BB:CC:DD:EE:FF");

    expect(() => AppConfig.fromEnv({
      TYPHON_MODE: "ble",
      TY_BLE_PORT_BASE: "2"
    })).toThrow("TY_BLE_PORT_BASE must be 0 or 1");
  });
});