Application and Manager Errors

const ManagerAppAlreadyInstalledError: CustomErrorFunc;
const ManagerAppRelyOnBTCError: CustomErrorFunc;
const ManagerAppDepInstallRequired: CustomErrorFunc;
const ManagerAppDepUninstallRequired: CustomErrorFunc;
const ManagerUninstallBTCDep: CustomErrorFunc;

import { 
  ManagerAppAlreadyInstalledError,
  ManagerAppRelyOnBTCError,
  ManagerAppDepInstallRequired,
  ManagerAppDepUninstallRequired,
  ManagerUninstallBTCDep
} from "@ledgerhq/errors";

// Handle app already installed
try {
  await installApp("Bitcoin");
} catch (error) {
  if (error instanceof ManagerAppAlreadyInstalledError) {
    console.log("Bitcoin app is already installed");
  }
}

// Handle Bitcoin dependency requirement
try {
  await installApp("BitcoinCash");
} catch (error) {
  if (error instanceof ManagerAppRelyOnBTCError) {
    console.log("Bitcoin Cash app requires Bitcoin app to be installed first");
  }
}

// Handle dependency install requirement
if (requiredDeps.length > 0) {
  throw new ManagerAppDepInstallRequired(
    `Please install dependencies first: ${requiredDeps.join(", ")}`
  );
}

// Handle dependency uninstall requirement
if (dependentApps.length > 0) {
  throw new ManagerAppDepUninstallRequired(
    `Please uninstall dependent apps first: ${dependentApps.join(", ")}`
  );
}

// Handle Bitcoin dependency uninstall
try {
  await uninstallApp("Bitcoin");
} catch (error) {
  if (error instanceof ManagerUninstallBTCDep) {
    console.log("Cannot uninstall Bitcoin - other apps depend on it");
  }
}

const ManagerDeviceLockedError: CustomErrorFunc;
const ManagerNotEnoughSpaceError: CustomErrorFunc;

import { 
  ManagerDeviceLockedError,
  ManagerNotEnoughSpaceError
} from "@ledgerhq/errors";

// Handle locked device during manager operations
try {
  await performManagerOperation();
} catch (error) {
  if (error instanceof ManagerDeviceLockedError) {
    console.log("Device is locked - please enter PIN and try again");
  }
}

// Handle insufficient storage space
function checkDeviceSpace(requiredSpace: number, availableSpace: number) {
  if (availableSpace < requiredSpace) {
    throw new ManagerNotEnoughSpaceError(
      `Insufficient space: ${requiredSpace}KB required, ${availableSpace}KB available`
    );
  }
}

// Example space management
async function installAppWithSpaceCheck(appName: string, appSize: number) {
  const deviceInfo = await getDeviceInfo();
  
  try {
    checkDeviceSpace(appSize, deviceInfo.availableSpace);
    await installApp(appName);
  } catch (error) {
    if (error instanceof ManagerNotEnoughSpaceError) {
      console.log("Please free up space by uninstalling unused apps");
      const suggestions = await getAppsToRemove(appSize);
      console.log("Consider removing:", suggestions.join(", "));
    }
  }
}

const FirmwareNotRecognized: CustomErrorFunc;
const FirmwareOrAppUpdateRequired: CustomErrorFunc;
const ManagerFirmwareNotEnoughSpaceError: CustomErrorFunc;
const LatestMCUInstalledError: CustomErrorFunc;
const UnknownMCU: CustomErrorFunc;
const UpdateFetchFileFail: CustomErrorFunc;
const UpdateIncorrectHash: CustomErrorFunc;
const UpdateIncorrectSig: CustomErrorFunc;

import { 
  FirmwareNotRecognized,
  FirmwareOrAppUpdateRequired,
  ManagerFirmwareNotEnoughSpaceError,
  LatestMCUInstalledError,
  UnknownMCU
} from "@ledgerhq/errors";

// Handle unrecognized firmware
try {
  await validateFirmware();
} catch (error) {
  if (error instanceof FirmwareNotRecognized) {
    console.log("Device firmware is not recognized");
    console.log("Please contact support or update your device");
  }
}

// Handle required updates
function checkCompatibility(firmwareVersion: string, appVersion: string) {
  if (!isCompatible(firmwareVersion, appVersion)) {
    throw new FirmwareOrAppUpdateRequired(
      "Firmware or app update required for compatibility"
    );
  }
}

// Handle firmware space issues
try {
  await installFirmwareUpdate();
} catch (error) {
  if (error instanceof ManagerFirmwareNotEnoughSpaceError) {
    console.log("Insufficient space for firmware update");
    console.log("Please remove some apps and try again");
  }
}

// Handle MCU update attempts
try {
  await updateMCU();
} catch (error) {
  if (error instanceof LatestMCUInstalledError) {
    console.log("Latest MCU version is already installed");
  } else if (error instanceof UnknownMCU) {
    console.log("MCU type is not recognized");
  }
}

// Handle update file operations
try {
  const updateFile = await fetchUpdateFile(updateUrl);
} catch (error) {
  if (error instanceof UpdateFetchFileFail) {
    console.log("Failed to download update file - check network connection");
  }
}

// Handle update integrity validation
try {
  await validateUpdateFile(updateFile);
} catch (error) {
  if (error instanceof UpdateIncorrectHash) {
    console.log("Update file hash validation failed - file may be corrupted");
  } else if (error instanceof UpdateIncorrectSig) {
    console.log("Update file signature verification failed - file may be tampered");
  }
}

const UpdateYourApp: CustomErrorFunc;
const DeviceAppVerifyNotSupported: CustomErrorFunc;
const BtcUnmatchedApp: CustomErrorFunc;
const WrongAppForCurrency: CustomErrorFunc;

import { 
  UpdateYourApp,
  DeviceAppVerifyNotSupported,
  BtcUnmatchedApp,
  WrongAppForCurrency
} from "@ledgerhq/errors";

// Handle app update requirement
function checkAppVersion(currentVersion: string, requiredVersion: string) {
  if (isVersionOlder(currentVersion, requiredVersion)) {
    throw new UpdateYourApp(
      `Please update your app from ${currentVersion} to ${requiredVersion}`
    );
  }
}

// Handle unsupported verification
try {
  await verifyApp();
} catch (error) {
  if (error instanceof DeviceAppVerifyNotSupported) {
    console.log("App verification is not supported for this app version");
  }
}

// Handle Bitcoin app mismatch
function validateBitcoinOperation(openApp: string) {
  if (openApp !== "Bitcoin" && openApp !== "Bitcoin Test") {
    throw new BtcUnmatchedApp("Please open the Bitcoin app on your device");
  }
}

// Handle wrong app for currency
function validateCurrencyApp(currency: string, openApp: string) {
  const expectedApp = getCurrencyApp(currency);
  if (openApp !== expectedApp) {
    throw new WrongAppForCurrency(
      `Please open the ${expectedApp} app to handle ${currency} transactions`
    );
  }
}

// Example usage in transaction flow
async function prepareTransaction(currency: string, amount: number) {
  const deviceStatus = await getDeviceStatus();
  
  try {
    validateCurrencyApp(currency, deviceStatus.currentApp);
    await createTransaction(currency, amount);
  } catch (error) {
    if (error instanceof WrongAppForCurrency) {
      console.log("Please switch to the correct app on your device");
      await waitForAppSwitch();
      return prepareTransaction(currency, amount);
    }
  }
}