export enum ConnectionStatus {
  DISCONNECTED = 'Disconnected',
  CONNECTING = 'Connecting',
  CONNECTED = 'Connected',
  ERROR = 'Error'
}

export enum MemoryBank {
  RESERVED = 0x00,
  EPC = 0x01,
  TID = 0x02,
  USER = 0x03
}

export interface SerialPortConfig {
  baudRate: number;
}

export interface TagData {
  epc: string;
  tid?: string; // Added TID field
  count: number;
  rssi?: number;
  timestamp: number;
}

export interface ReaderInfo {
  model: string;
  version: string;
  address: number;
  power: number;
  minFreq: number;
  maxFreq: number;
  protocol: 'ISO18000-6B' | 'EPCC1-G2' | 'Both' | 'None';
  maxResponseTime: number;
  band: FrequencyBand;
}

export interface LogEntry {
  id: string;
  timestamp: Date;
  type: 'TX' | 'RX' | 'INFO' | 'ERROR' | 'WARN';
  message: string;
  data?: string;
}

export interface QuickTestConfig {
  startAddress: number;
  length: number;
  format: 'hex' | 'ascii';
}

// Command Codes from Manual
export enum ReaderCommand {
  GET_INFO = 0x21,
  SET_REGION = 0x22,
  SET_ADDRESS = 0x24,
  SET_SCAN_TIME = 0x25,
  SET_BAUD_RATE = 0x28,
  SET_POWER = 0x2F,
  INVENTORY_G2 = 0x01,
  READ_DATA_G2 = 0x02,
  WRITE_DATA_G2 = 0x03,
  WRITE_EPC_G2 = 0x04,
  KILL_TAG_G2 = 0x05,
  LOCK_G2 = 0x06,
  ERASE_G2 = 0x07,
  SET_ACCESS_EPC_MATCH = 0x85, // Added for targeting specific tags
  EAS_ALARM_G2 = 0x0C,
  CHECK_EAS_ALARM = 0x0D,
  LOCK_USER_BLOCK = 0x0E
}

export enum FrequencyBand {
  USER = 0,
  CHINESE = 1,
  US = 2,
  KOREAN = 3,
  EU = 4
}

// Web Serial API Type Definition
export interface SerialPort {
  readable: ReadableStream<Uint8Array> | null;
  writable: WritableStream<Uint8Array> | null;
  open(options: { baudRate: number }): Promise<void>;
  close(): Promise<void>;
}