"""
    Wrapper functions for FuncIntent
    This functions include Onosclidriver and Mininetclidriver driver functions
"""
def __init__( self ):
    self.default = ''

def hostIntent( main,
                name="",
                host1="",
                host2="",
                host1Id="",
                host2Id="",
                mac1="",
                mac2="",
                vlan1="-1",
                vlan2="-1",
                sw1="",
                sw2="",
                expectedLink=0 ):
    """
        Add host intents
    """
    import time

    # Assert variables
    assert main, "There is no main variable"
    assert name, "variable name is empty"
    assert host1 and host2, "You must specify hosts"

    global itemName
    itemName = name
    h1Name = host1
    h2Name = host2
    h1Id = host1Id
    h2Id = host2Id
    h1Mac = mac1
    h2Mac = mac2
    vlan1 = vlan1
    vlan2 = vlan2
    intentsId = []
    stepResult = main.TRUE
    pingResult = main.TRUE
    intentResult = main.TRUE
    flowResult = main.TRUE
    topoResult = main.TRUE
    linkDownResult = main.TRUE
    linkUpResult = main.TRUE

    if main.hostsData:
        if not h1Mac:
            h1Mac = main.hostsData[ h1Name ][ 'mac' ]
        if not h2Mac:
            h2Mac = main.hostsData[ h2Name ][ 'mac' ]
        if main.hostsData[ h1Name ][ 'vlan' ] != '-1':
            vlan1 = main.hostsData[ h1Name ][ 'vlan' ]
        if main.hostsData[ h2Name ][ 'vlan' ] != '-1':
            vlan2 = main.hostsData[ h2Name ][ 'vlan' ]
        if not h1Id:
            h1Id = main.hostsData[ h1Name ][ 'id' ]
        if not h2Id:
            h2Id = main.hostsData[ h2Name ][ 'id' ]

    assert h1Id and h2Id, "You must specify host IDs"
    if not ( h1Id and h2Id ):
        main.log.info( "There are no host IDs" )
        return main.FALSE

    # Discover hosts using arping
    main.log.info( itemName + ": Discover host using arping" )
    main.Mininet1.arping( host=h1Name )
    main.Mininet1.arping( host=h2Name )
    host1 = main.CLIs[ 0 ].getHost( mac=h1Mac )
    host2 = main.CLIs[ 0 ].getHost( mac=h2Mac )

    # Adding host intents
    main.log.info( itemName + ": Adding host intents" )
    intent1 = main.CLIs[ 0 ].addHostIntent( hostIdOne=h1Id,
                                           hostIdTwo=h2Id )
    intentsId.append( intent1 )
    time.sleep( 5 )
    intent2 = main.CLIs[ 0 ].addHostIntent( hostIdOne=h2Id,
                                           hostIdTwo=h1Id )
    intentsId.append( intent2 )

    # Check intents state
    time.sleep( 50 )
    intentResult = checkIntentState( main, intentsId )

    # Verify flows
    checkFlowsState( main )

    # Ping hosts
    pingHost( main, h1Name, h2Name )
    # Ping hosts again...
    pingResult = pingHost( main, h1Name, h2Name )
    time.sleep( 5 )

    # Test rerouting if these variables exist
    if sw1 and sw2 and expectedLink:
        # link down
        link( main, sw1, sw2, "down" )
        intentResult = intentResult and checkIntentState( main, intentsId )

        # Verify flows
        checkFlowsState( main )

        # Check OnosTopology
        topoResult = checkTopology( main, expectedLink )

        # Ping hosts
        pingResult = pingResult and pingHost( main, h1Name, h2Name )

        intentResult = checkIntentState( main, intentsId )

        # link up
        link( main, sw1, sw2, "up" )
        time.sleep( 5 )

        # Verify flows
        checkFlowsState( main )

        # Check OnosTopology
        topoResult = checkTopology( main, expectedLink )

        # Ping hosts
        pingResult = pingResult and pingHost( main, h1Name, h2Name )

    # Remove intents
    for intent in intentsId:
        main.CLIs[ 0 ].removeIntent( intentId=intent, purge=True )

    print main.CLIs[ 0 ].intents()
    stepResult = pingResult and linkDownResult and linkUpResult \
                 and intentResult

    return stepResult

def pointIntent( main,
                 name="",
                 host1="",
                 host2="",
                 deviceId1="",
                 deviceId2="",
                 port1="",
                 port2="",
                 ethType="",
                 mac1="",
                 mac2="",
                 bandwidth="",
                 lambdaAlloc=False,
                 ipProto="",
                 ip1="",
                 ip2="",
                 tcp1="",
                 tcp2="",
                 sw1="",
                 sw2="",
                 expectedLink=0 ):
    """
        Add Point intents
    """
    import time
    assert main, "There is no main variable"
    assert name, "variable name is empty"
    assert host1 and host2, "You must specify hosts"

    global itemName
    itemName = name
    h1Name = host1
    h2Name = host2
    intentsId = []

    pingResult = main.TRUE
    intentResult = main.TRUE
    flowResult = main.TRUE
    topoResult = main.TRUE
    linkDownResult = main.TRUE
    linkUpResult = main.TRUE

    # Adding bidirectional point  intents
    main.log.info( itemName + ": Adding host intents" )
    intent1 = main.CLIs[ 0 ].addPointIntent( ingressDevice=deviceId1,
                                             egressDevice=deviceId2,
                                             portIngress=port1,
                                             portEgress=port2,
                                             ethType=ethType,
                                             ethSrc=mac1,
                                             ethDst=mac2,
                                             bandwidth=bandwidth,
                                             lambdaAlloc=lambdaAlloc,
                                             ipProto=ipProto,
                                             ipSrc=ip1,
                                             ipDst=ip2,
                                             tcpSrc=tcp1,
                                             tcpDst=tcp2 )

    intentsId.append( intent1 )
    time.sleep( 5 )
    intent2 = main.CLIs[ 0 ].addPointIntent( ingressDevice=deviceId2,
                                             egressDevice=deviceId1,
                                             portIngress=port2,
                                             portEgress=port1,
                                             ethType=ethType,
                                             ethSrc=mac2,
                                             ethDst=mac1,
                                             bandwidth=bandwidth,
                                             lambdaAlloc=lambdaAlloc,
                                             ipProto=ipProto,
                                             ipSrc=ip2,
                                             ipDst=ip1,
                                             tcpSrc=tcp2,
                                             tcpDst=tcp1 )
    intentsId.append( intent2 )

    # Check intents state
    time.sleep( 50 )
    intentResult = checkIntentState( main, intentsId )

    # Verify flows
    checkFlowsState( main )

    # Ping hosts
    pingHost( main, h1Name, h2Name )
    # Ping hosts again...
    pingResult = pingHost( main, h1Name, h2Name )
    time.sleep( 5 )

    if sw1 and sw2 and expectedLink:
        # link down
        link( main, sw1, sw2, "down" )
        intentResult = intentResult and checkIntentState( main, intentsId )

        # Verify flows
        checkFlowsState( main )

        # Check OnosTopology
        topoResult = checkTopology( main, expectedLink )

        # Ping hosts
        pingResult = pingResult and pingHost( main, h1Name, h2Name )

        intentResult = checkIntentState( main, intentsId )

        # link up
        link( main, sw1, sw2, "up" )
        time.sleep( 5 )

        # Verify flows
        checkFlowsState( main )

        # Check OnosTopology
        topoResult = checkTopology( main, expectedLink )

        # Ping hosts
        pingResult = pingResult and pingHost( main, h1Name, h2Name )

    # Remove intents
    for intent in intentsId:
        main.CLIs[ 0 ].removeIntent( intentId=intent, purge=True )

    print main.CLIs[ 0 ].intents()
    stepResult = pingResult and linkDownResult and linkUpResult \
                 and intentResult

    return stepResult

def link( main, sw1, sw2, option):

    # link down
    main.log.info( itemName + ": Bring link " + option + "between " +
                   sw1 + " and " + sw2 )
    main.Mininet1.link( end1=sw1, end2=sw2, option=option )

def pingHost( main, h1Name, h2Name ):

    # Ping hosts
    main.log.info( itemName + ": Ping " + h1Name + " and " +
                   h2Name )
    pingResult1 = main.Mininet1.pingHost( src=h1Name , target=h2Name )
    if not pingResult1:
        main.log.info( itemName + ": " + h1Name + " cannot ping "
                       + h2Name )
    pingResult2 = main.Mininet1.pingHost( src=h2Name , target=h1Name )
    if not pingResult2:
        main.log.info( itemName + ": " + h2Name + " cannot ping "
                       + h1Name )
    pingResult = pingResult1 and pingResult2
    if pingResult:
        main.log.info( itemName + ": Successfully pinged " +
                       "both hosts" )
    else:
        main.log.info( itemName + ": Failed to ping " +
                       "both hosts" )
    return pingResult

def getHostsData( main ):
    """
        Use fwd app and pingall to discover all the hosts
    """
    """
        hosts json format:
    """
    import json
    activateResult = main.TRUE
    appCheck = main.TRUE
    main.log.info( "Activating reactive forwarding app " )
    activateResult = main.CLIs[ 0 ].activateApp( "org.onosproject.fwd" )

    for i in range( main.numCtrls ):
        appCheck = appCheck and main.CLIs[ i ].appToIDCheck()

    if appCheck != main.TRUE:
        main.log.warn( main.CLIs[ 0 ].apps() )
        main.log.warn( main.CLIs[ 0 ].appIDs() )

    pingResult = main.Mininet1.pingall()
    hostsJson = json.loads( main.CLIs[ 0 ].hosts() )
    hosts = main.Mininet1.getHosts()
    for host in hosts:
        main.hostsData[ host ] = {}
        main.hostsData[ host ][ 'mac' ] =  main.Mininet1.getMacAddress( host )
        for hostj in hostsJson:
            if main.hostsData[ host ][ 'mac' ] == hostj[ 'mac' ]:
                main.hostsData[ host ][ 'id' ] = hostj[ 'id' ]
                main.hostsData[ host ][ 'vlan' ] = hostj[ 'vlan' ]
                main.hostsData[ host ][ 'location' ] = \
                            hostj[ 'location' ][ 'elementId' ] + '/' + \
                            hostj[ 'location' ][ 'port' ]
                main.hostsData[ host ][ 'ipAddresses' ] = hostj[ 'ipAddresses' ]

    print main.hostsData
    return pingResult

def checkTopology( main, expectedLink ):
    statusResult = main.TRUE
    # Check onos topology
    main.log.info( itemName + ": Checking ONOS topology " )

    for i in range( main.numCtrls ):
        topologyResult = main.CLIs[ i ].topology()
        statusResult = main.ONOSbench.checkStatus( topologyResult,
                                                   main.numSwitch,
                                                   expectedLink )\
                       and statusResult
    if not statusResult:
        main.log.info( itemName + ": Topology mismatch" )
    else:
        main.log.info( itemName + ": Topology match" )
    return statusResult

def checkIntentState( main, intentsId ):

    main.log.info( itemName + ": Check host intents state" )
    for i in range( main.numCtrls ):
        intentResult = main.CLIs[ i ].checkIntentState( intentsId=intentsId )
    if not intentResult:
        main.log.info( itemName +  ": Check host intents state again")
        for i in range( main.numCtrls ):
            intentResult = main.CLIs[ i ].checkIntentState(
                                                          intentsId=intentsId )
    return intentResult

def checkFlowsState( main ):

    main.log.info( itemName + ": Check flows state" )
    checkFlowsResult = main.CLIs[ 0 ].checkFlowsState()
    return checkFlowsResult

def printMsg( main, h1Name, h2Name ):
    main.log.info("PINGING HOST INSIDE printMSG")
    pingHost( main, itemName, h1Name, h2Name )
    print 'lala'