#!/bin/ash

###############################################################
# @scriptname: SmartPinger                                    #
# @description:                                               #
#   Checks if device is nearby first using WiFi,              #
#   if not it will check using Bluetooth                      #
#   and reports status to Home automation system              #               
#                                                             #
# @project: SmartPinger                                       #
# @author: Bram Prieshof                                      #
# @author: Branco van de Waal                                 #
###############################################################

. $( dirname "$0" )/../config/SmartPing_"$1".cfg
. $( dirname "$0" )/../config/Pinger.cfg

#Default disable log
: ${LogFile:="/dev/null"}

sendDomoticz() {
    #Set messages to send to Domoticz
    if [ "$DeviceStatus" = Online ]; then
        DomoSendMSG=On
    elif [ "$DeviceStatus" = Offline ]; then
        DomoSendMSG=Off
    else
        echo "WARN: device status is unset"  | tee -a $LogFile
    fi
    
    # Check Online / Offline state of Domoticz device
    if [ "$DomoSendMSG" != "$(curl -s "http://"$DomoticzAddr"/json.htm?type=command&param=getdevices&rid="$DomoticzIDX"" | grep '"Data" :' | awk '{ print $3 }' | sed 's/[!@#\$%",^&*()]//g')" ] ; then
        echo "Updating Domoticz device" | tee -a $LogFile
        curl -s "http://"$DomoticzAddr"/json.htm?type=command&param=switchlight&idx="$DomoticzIDX"&switchcmd="$DomoSendMSG"" 2>&1 1>/dev/null
    fi
    
    #Clean up
    unset DomoSendMSG
}

sendMqtt() {
    #Send MQTT device status message
    mosquitto_pub -h $MqttIP -u $MqttUser -p $MqttPassword -r -q 1 -t $MqttBaseTopic/$DeviceName/Status -m "$(eval echo \$Mqtt"$DeviceStatus"Msg)"
    mosquitto_pub -h $MqttIP -u $MqttUser -p $MqttPassword -r -q 1 -t $MqttBaseTopic/$DeviceName/Technology  -m "$Technology"
}

while [ 1 ]
do
    #Prepair for run
    DeviceStatus=Offline
    
    # First network ping attempt
    fping -c5 -b 32 -t1000 $DeviceIP > /dev/null 2>&1
    if [ "$?" = 0 ] ; then
        DeviceStatus="Online"
        Technology="Wifi"
        Attempt="1"
    fi

    # First bluetooth ping attempt
    if [ $DeviceStatus = Offline ]; then
        if [[ "$(l2ping -c5 -s32 -t1000 "$DeviceBTMac" > /dev/null 2>&1 && echo "On" || echo "Off")" == 'On' ]]; then
            DeviceStatus="Online"
            Technology="Bluetooth"
            Attempt="1"
        fi
    fi

    # Second network ping attempt
    if [ $DeviceStatus = Offline ]; then
        fping -c5 -b 32 -t1000 $DeviceIP > /dev/null 2>&1
        if [ "$?" = 0 ] ; then
            DeviceStatus="Online"
            Technology="Wifi"
            Attempt="2"
        fi
    fi

    # Second bluetooth ping attempt
    if [ $DeviceStatus = Offline ]; then
        if [[ "$(l2ping -c5 -s32 -t1000 "$DeviceBTMac" > /dev/null 2>&1 && echo "On" || echo "Off")" == 'On' ]]; then
            DeviceStatus="Online"
            Technology="Bluetooth"
            Attempt="2"
        fi
    fi

    # If the device is still offline, set Technology and Attempt to None
    if [ $DeviceStatus = Offline ]; then
        Technology="N/A"
        Attempt="N/A"
    fi
    
    #Report Current status
    echo "$(date '+%d/%m/%Y %H:%M') | Device: $DeviceName | Status: $DeviceStatus | Technology: $Technology | Attempt: $Attempt |" | tee -a $LogFile
    #SendMsg to automation system
    if [[ "$DeviceStatus" != "$PreviousDeviceStatus" ]]; then
        send$MsgProtocol
    fi
    
    #Wait for next run if device is online
    if [ "$DeviceStatus" = Online ]; then
        echo "Online, Waiting"
        sleep 60
    fi
    
    #Save current status and clean up for next run
    PreviousDeviceStatus=$DeviceStatus
    unset DeviceStatus Technology Attempt
done