#!/bin/sh -e

FXDE_DIR=/home/midfavila/.config/fxde

tme() #Display current time in 24h notation
{
   date|cut -f4 -d ' '|\
   sed -ne 's/\([0-9][0-9]*\):\([0-9][0-9]*\)/\1\2/p'|cut -d ':' -f 1
}
pwr() #Display current battery capacity and whether we're discharging or not.
{
   x=$(cat /sys/class/power_supply/BAT1/status)
   if [ "${x}" = "Discharging" ]
   then printf "--%s%%" "$(cat /sys/class/power_supply/BAT1/capacity)"
   else printf "++%s%%" "$(cat /sys/class/power_supply/BAT1/capacity)"
   fi
}

wlip() #Acquire the IP of our current WLAN connection
{
   x=$(ifconfig eno1|sed -ne 's/.*addr:\([0-9]*\.[0-9]*\.[0-9]*\.[0-9]*\).*/\1/p')
   if [ "${x}" ]
   then printf "%s" "${x}"
   else printf "N/A"
   fi
}

tmp() #Acquire ambient temperature from wttr.in every ival seconds
{
   ival=120 #How often do we check?

   if [ "${ival}" = $((ival-($(date|cut -d ':' -f 2)*60)%ival)) ] && \
      [ ! -e "${FXDE_DIR}/fxde-core/info/timepiece" ]
   then curl -s http://wttr.in/?format=3|\
           sed -ne 's/.*\(.[0-9][0-9]*.C\)/\1/p' > "${FXDE_DIR}/fxde-core/info/temp"
        touch "${FXDE_DIR}/fxde-core/info/timepiece"
   elif [ -e "${FXDE_DIR}/fxde-core/info/timepiece" ] && \
        [ "${ival}" != $((ival-($(date|cut -d ':' -f 2)*60)%ival)) ]
   then rm "${FXDE_DIR}/fxde-core/info/timepiece"
   else cat "${FXDE_DIR}/fxde-core/info/temp"
   fi

}

while true;do printf "%%{l}[ %s | %s | %s | %s ]\n" "$(tme)" "$(pwr)" "$(wlip)" "$(tmp)";sleep 1;done