export const USHRT_MAX = 65535;
export const MAX_CHUNK = 65472;

export const COMMANDS = {
  CMD_CONNECT: 1000,
  CMD_EXIT: 1001,
  CMD_ENABLEDEVICE: 1002,
  CMD_DISABLEDEVICE: 1003,
  CMD_RESTART: 1004,
  CMD_POWEROFF: 1005,
  CMD_SLEEP: 1006,
  CMD_RESUME: 1007,
  CMD_CAPTUREFINGER: 1009,
  CMD_TEST_TEMP: 1011,
  CMD_CAPTUREIMAGE: 1012,
  CMD_REFRESHDATA: 1013,
  CMD_REFRESHOPTION: 1014,
  CMD_TESTVOICE: 1017,
  CMD_GET_VERSION: 1100,
  CMD_CHANGE_SPEED: 1101,
  CMD_AUTH: 1102,
  CMD_PREPARE_DATA: 1500,
  CMD_DATA: 1501,
  CMD_FREE_DATA: 1502,
  CMD_DATA_WRRQ: 1503,
  CMD_DATA_RDY: 1504,
  CMD_DB_RRQ: 7,
  CMD_USER_WRQ: 8,
  CMD_USERTEMP_RRQ: 9,
  CMD_USERTEMP_WRQ: 10,
  CMD_OPTIONS_RRQ: 11,
  CMD_OPTIONS_WRQ: 12,
  CMD_ATTLOG_RRQ: 13,
  CMD_CLEAR_DATA: 14,
  CMD_CLEAR_ATTLOG: 15,
  CMD_DELETE_USER: 18,
  CMD_DELETE_USERTEMP: 19,
  CMD_CLEAR_ADMIN: 20,
  CMD_USERGRP_RRQ: 21,
  CMD_USERGRP_WRQ: 22,
  CMD_USERTZ_RRQ: 23,
  CMD_USERTZ_WRQ: 24,
  CMD_GRPTZ_RRQ: 25,
  CMD_GRPTZ_WRQ: 26,
  CMD_TZ_RRQ: 27,
  CMD_TZ_WRQ: 28,
  CMD_ULG_RRQ: 29,
  CMD_ULG_WRQ: 30,
  CMD_UNLOCK: 31,
  CMD_CLEAR_ACC: 32,
  CMD_CLEAR_OPLOG: 33,
  CMD_OPLOG_RRQ: 34,
  CMD_GET_FREE_SIZES: 50,
  CMD_ENABLE_CLOCK: 57,
  CMD_STARTVERIFY: 60,
  CMD_STARTENROLL: 61,
  CMD_CANCELCAPTURE: 62,
  CMD_STATE_RRQ: 64,
  CMD_WRITE_LCD: 66,
  CMD_CLEAR_LCD: 67,
  CMD_GET_PINWIDTH: 69,
  CMD_SMS_WRQ: 70,
  CMD_SMS_RRQ: 71,
  CMD_DELETE_SMS: 72,
  CMD_UDATA_WRQ: 73,
  CMD_DELETE_UDATA: 74,
  CMD_DOORSTATE_RRQ: 75,
  CMD_WRITE_MIFARE: 76,
  CMD_EMPTY_MIFARE: 78,
  CMD_VERIFY_WRQ: 79,
  CMD_VERIFY_RRQ: 80,
  CMD_TMP_WRITE: 87,
  CMD_CHECKSUM_BUFFER: 119,
  CMD_DEL_FPTMP: 134,
  CMD_GET_TIME: 201,
  CMD_SET_TIME: 202,
  CMD_REG_EVENT: 500,
  CMD_ACK_OK: 2000,
  CMD_ACK_ERROR: 2001,
  CMD_ACK_DATA: 2002,
  CMD_ACK_RETRY: 2003,
  CMD_ACK_REPEAT: 2004,
  CMD_ACK_UNAUTH: 2005,
  CMD_ACK_UNKNOWN: 65535,
  CMD_ACK_ERROR_CMD: 65533,
  CMD_ACK_ERROR_INIT: 65532,
  CMD_ACK_ERROR_DATA: 65531,
  EF_ATTLOG: 1,
  EF_FINGER: 2,
  EF_ENROLLUSER: 4,
  EF_ENROLLFINGER: 8,
  EF_BUTTON: 16,
  EF_UNLOCK: 32,
  EF_VERIFY: 128,
  EF_FPFTR: 256,
  EF_ALARM: 512,
} as const;

export const REQUEST_DATA = {
  DISABLE_DEVICE: Buffer.from([0, 0, 0, 0]),
  GET_REAL_TIME_EVENT: Buffer.from([0x01, 0x00, 0x00, 0x00]),
  GET_ATTENDANCE_LOGS: Buffer.from([
    0x01, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  ]),
  GET_USERS: Buffer.from([
    0x01, 0x09, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  ]),
  GET_FINGERPRINT_TEMPLATES: Buffer.from([
    0x01, 0x07, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  ]),
} as const;

export const FCT_FINGERTMP = 2;

export const USER_PACKET_SIZE_TCP = 72;
export const USER_PACKET_SIZE_UDP = 28;
export const RECORD_PACKET_SIZE_TCP = 40;
export const RECORD_PACKET_SIZE_UDP = 16;