// Typescript data definitions.

/**
 * Event ID
 */
enum UsbEventId {
    List = 'list',
    Registered = 'callbackRegistered',
    Unregistered = 'callbackUnregistered',
    Attached = 'attached',
    Detached = 'detached'
}

/**
 * USB device information
 * 
 * Information may be added more.
 */
interface UsbDevice {
    vendorId: number;
    productId: number;
}

/**
 * Output by method call.
 */
interface UsbResult {
    id: UsbEventId;
    devices?: UsbDevice[];
}

// Typescript
cordova.plugins.usbevent.listDevices(
  (result: UsbResult) => {
    console.log(result.id);
    for(const device in result.devices) {
      console.log(device.vendorId);
      console.log(device.productId);
    }
  },
  (error: string) => {
    console.log(error);
  });

// Typescript
cordova.plugins.usbevent.registerEventCallback(
  (result: UsbResult) => {
    switch (result.id) {
      case 'callbackRegistered':
        console.log(`register is success.`);
        break;
      case 'attached':
        console.log(`USB device is attached.`);
        for(const device in result.devices) {
          console.log(device.vendorId);
          console.log(device.productId);
        }
        break;
      case 'detached':
        console.log(`USB device is detached.`);
        for(const device in result.devices) {
          console.log(device.vendorId);
          console.log(device.productId);
        }
        break;
      default:
        console.log(`Unsupported event. (event=${JSON.stringify(result)})`);
    }
  },
  (error: string) => {
    console.log(error);
  });

// Typescript
cordova.plugins.usbevent.unregisterEventCallback(
  (result: UsbResult) => {
    switch (result.id) {
      case 'callbackUnregistered':
        console.log(result);
        break;
      default:
        console.log(`Unsupported event. (event=${JSON.stringify(result)})`);
    }
  },
  (error: string) => {
    console.log(error);
  });

// Typescript
cordova.plugins.usbevent.existsRegisteredCallback(
  (exists: boolean) => {
    console.log(exists); // true if exists.
  },
  (error: any) => {
    console.log(error);
  });