#! /usr/bin/env python3
#
#  Copyright (C) 2004-2022 Savoir-faire Linux Inc. Inc
#
# Author: Mohamed Fenjiro <mohamed.fenjiro@savoirfairelinux.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
#

import signal
import sys
import os
import time
import argparse

from gi.repository import GLib
from errorsDring import DRingCtrlError
from controller import DRingCtrl

class JamiTest(DRingCtrl):
    def __init__(self, name, args):
        super(JamiTest, self).__init__(name, False)
        self.args = args
        self.testCalls = set()
        self.iterator = 0
        self.failureCount = 0
        self.failureRate = 0
        self.callsCompleted = 0
        ringAccounts = self.getAllAccounts('RING')

        if len (ringAccounts) < 1:
            callerDetails = {'Account.type':'RING', 'Account.alias':'testringaccount3'}
            self.addAccount(callerDetails)

        self.setAccount(ringAccounts[0])
        volatileCallerDetails = self.getVolatileAccountDetails(self.account)

        if volatileCallerDetails['Account.registrationStatus'] != 'REGISTERED':
            raise DRingCtrlError("Caller Account not registered")

        self.peer = args.peer
        volatilePeerDetails = self.getVolatileAccountDetails()

        if volatilePeerDetails['Account.registrationStatus'] != 'REGISTERED':
            raise DRingCtrlError("Peer Account not registered")

        print("Using local test account: ", self.account, volatileCallerDetails['Account.registrationStatus'])
        print("Using test peer: ", self.peer, volatilePeerDetails['Account.registrationStatus'])
        if self.testCall():
            GLib.timeout_add_seconds(args.interval, self.testCall)

    def keepGoing(self):
        return not self.args.calls or self.iterator < self.args.calls

    def testCall(self):
        print("**[BEGIN] Call Test")
        if self.keepGoing():
            self.iterator += 1
            callId = self.Call(self.peer)
            self.testCalls.add(callId)
            GLib.timeout_add_seconds(self.args.duration, lambda: self.checkCall(callId))
        return self.keepGoing()

    def checkCall(self, callId):
        self.HangUp(callId)
        if callId in self.testCalls:
            self.testFailed(callId)
        return False

    def onCallStateChanged(self, callId, state, statecode):
        super().onCallStateChanged(callId, state, statecode)
        if callId in self.testCalls:
            if state == "RINGING":
                self.testSucceeded(callId)
                self.HangUp(callId)

    def testEnded(self, callId):
        self.testCalls.remove(callId)
        self.callsCompleted += 1
        self.failureRate = (self.failureCount / float(self.callsCompleted))
        print("Failure rate: ", self.failureRate)
        if not self.keepGoing():
            print("ENDING")
            self.stopThread()
            self.unregister()

    def testFailed(self, callId):
        self.failureCount += 1
        self.testEnded(callId)

    def testSucceeded(self, callId):
        self.testEnded(callId)

    def run(self):
        super().run()
        if self.failureCount == 0:
            sys.exit(0)
        elif self.failureRate < .5:
            sys.exit(1)
        else:
            sys.exit(2)

if __name__ == "__main__":

    parser = argparse.ArgumentParser(description='Monitor Jami reliabilty by mesuring failure rate for making Calls/Messages and receiving them.')
    optional = parser._action_groups.pop()
    required = parser.add_argument_group('required arguments')
    optional.add_argument('--messages', help = 'Number of messages to send', type = int)
    optional.add_argument('--duration', help = 'Specify the duration of the test (seconds)', default = 600, type = int)
    optional.add_argument('--interval', help = 'Specify the test interval (seconds)', default = 10, type = int)
    required.add_argument('--peer', help = 'Specify the peer account ID', required = True)
    required.add_argument('--calls', help = 'Number of calls to make', type = int, required = True)
    parser._action_groups.append(optional)
    args = parser.parse_args()

    test = JamiTest("test", args)
    test.run()
