'''
  global command functions
  1.2
'''

import sys
import os
import signal
import functools

from shell.device_list import S_DEVICE
from shell.ais_shell import GetListInformation, AISGetLibraryVersionStr, AisShellpGetProgramVersion, AISRestart, \
    AISDestroy, AISOpen, AISClose, AISUpdateAndGetCount, wr_status, sys_get_timezone_info, AISGetTime, AISSetTime, \
    log_get, whitelist_read, blacklist_read, get_io_state, lock_open, relay_toogle, AISGetVersion, ee_lock, ee_unlock

from ais_http import AisHttpGetProgramVersion

dev = S_DEVICE


def GetDLLVersion():
    return "AIS_GetDLLVersion() >> %s\n" % AISGetLibraryVersionStr()

def GetProgramVersion():
    return '{0}\n{1}\n'.format(AisHttpGetProgramVersion(), AisShellpGetProgramVersion())


def GetExitApp():
    if sys.platform.startswith('linux'):
        os.system('pkill -9 python')
        os.kill(os.getpid(), signal.SIGINT)
    elif sys.platform.startswith('win'):
        os._exit(0)
    return '\nServer stopped !\nClose program !\n'

def GetAISUpdateAndGetCount():
    try:
        res, count = AISUpdateAndGetCount()
        return ' COUNT >> {0} {1}'.format(count, wr_status('', res))
    except WindowsError:
        pass

def GetAISGetTime():
    return AISGetTime(dev)[0]

def GetAISSetTime():
    return '{0}\n{1}'.format(sys_get_timezone_info(), AISSetTime(dev))


def GetInformation():
    return '{0}\n{1}\n{2}'.format(AISGetTime(dev)[0], sys_get_timezone_info(), AISGetVersion(dev))


action = {'q': GetListInformation,
          'v': GetDLLVersion,
          'V': GetProgramVersion,
          'X': GetExitApp,
          'R': functools.partial(AISRestart, dev),
          'D': functools.partial(AISDestroy, dev),
          'o': functools.partial(AISOpen, dev),
          'c': functools.partial(AISClose, dev),
          'd': GetAISUpdateAndGetCount,
          't': GetAISGetTime,
          'T': GetAISSetTime,
          'l': functools.partial(log_get, dev),
          'w': functools.partial(whitelist_read, dev),
          'b': functools.partial(blacklist_read, dev),
          'g': functools.partial(get_io_state, dev),
          'G': functools.partial(lock_open, dev),
          'y': functools.partial(relay_toogle, dev),
          'f': functools.partial(AISGetVersion, dev),
          'E': functools.partial(ee_lock, dev),
          'e': functools.partial(ee_unlock, dev),
          'i': GetInformation

          }


def command(getfunction, ldev, **pq):
        global dev
        dev = ldev
        try:
            return action[getfunction].__call__()
        except KeyError:
            return 'WRONG COMMAND !!! \nYou must enter the correct command'