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"""
* $Id           : fwreset_status_checker.py 2017-11-28
* $Authors      : Ahmad Soboh (ahmads@mellanox.com)
"""

######################################################################
# Description:  FirmwareResetStatusChecker
# OS Support :  Linux/Windows.
######################################################################


class FirmwareResetStatusChecker(object):

    FirmwareUptimeStatusInit = 0x0
    FirmwareUptimeStatusBeforeDone = 0x1
    FirmwareUptimeStatusAfterDone = 0x2
    FirmwareUptimeStatusError = 0x3

    FirmwareResetStatusDone = 0x0
    FirmwareResetStatusFailed = 0x1
    FirmwareResetStatusUnknown = 0x2

    def __init__(self, regAccessObj):
        self._RegAccessObj = regAccessObj
        self._UptimeBeforeReset = 0x0
        self._UptimeBeforeStatus = FirmwareResetStatusChecker.FirmwareUptimeStatusInit
        self._UptimeAfterReset = 0x0
        self._UptimeAfterStatus = FirmwareResetStatusChecker.FirmwareUptimeStatusInit

    def UpdateUptimeBeforeReset(self):
        try:
            self._UptimeBeforeReset = self._RegAccessObj.getFWUptime()
            self._UptimeBeforeStatus = FirmwareResetStatusChecker.FirmwareUptimeStatusBeforeDone
        except Exception as e:
            self._UptimeBeforeStatus = FirmwareResetStatusChecker.FirmwareUptimeStatusError

    def UpdateUptimeAfterReset(self):
        try:
            self._UptimeAfterReset = self._RegAccessObj.getFWUptime()
            self._UptimeAfterStatus = FirmwareResetStatusChecker.FirmwareUptimeStatusAfterDone
        except Exception as e:
            self._UptimeAfterStatus = FirmwareResetStatusChecker.FirmwareUptimeStatusError

    def GetStatus(self):
        if self._UptimeBeforeStatus == FirmwareResetStatusChecker.FirmwareUptimeStatusBeforeDone and\
                self._UptimeAfterStatus == FirmwareResetStatusChecker.FirmwareUptimeStatusAfterDone:
            if self._UptimeAfterReset < self._UptimeBeforeReset:
                return FirmwareResetStatusChecker.FirmwareResetStatusDone
            else:
                if self._UptimeBeforeReset > 5:  # 5 seconds
                    return FirmwareResetStatusChecker.FirmwareResetStatusFailed
                else:
                    return FirmwareResetStatusChecker.FirmwareResetStatusUnknown
        return FirmwareResetStatusChecker.FirmwareResetStatusUnknown