#! /bin/bash
kquitapp plasma-desktop

xtvga=$(xrandr | grep -c "VGA-0 connected")
xthdmi=$(xrandr | grep -c "HDMI-0 connected")
xtmon=$(($xtvga + $xthdmi))
restartArg=1                    #If 1, plasma-desktop is up for a restart.
doBackup=0
isTest=0
lastused="single"

function checkExistence {
    if [ ! -d "/home/tamius-han/.kde/share/config/last" ]; then
    mkdir "/home/tamius-han/.kde/share/config/last"
    mkdir "/home/tamius-han/.kde/share/config/last/single"
    fi
    for f in "left-of" "right-of" "above" "below" "same-as" "off" "single" ; do
    if [ ! -d "/home/tamius-han/.kde/share/config/configs/$f" ]; then
          mkdir /home/tamius-han/.kde/share/config/configs/$f
          cp /home/tamius-han/.kde/share/config/* /home/tamius-han/.kde/share/config/configs/$f
    fi
    done
}

function backup {
      lastused=single
      for f in "left-of" "right-of" "above" "below" "same-as" "off" "single" ; do
      if [ -d "/home/tamius-han/.kde/share/config/last/$f" ]; then
          lastused=$f
      fi
      done
      rm -rf "/home/tamius-han/.kde/share/config/last/$lastused"
      mkdir "/home/tamius-han/.kde/share/config/last/$1"
      cp /home/tamius-han/.kde/share/config/* /home/tamius-han/.kde/share/config/configs/$lastused
}

function recfg-multi {              #Reconfigures monitors and restarts that shit.
      checkExistence
      backup $1     #$1 tells backup which config we're importing so it gets backed up properly next time we run this script.
    # $1 — tells location of the secondary monitor (left, right, upwards, downwards of LVDS, duplicate of LVDS, etc.)
    # $2 — tells if it's primary monitor (not yet implemented)
    # $3 — tells if it's mirror over x (not even close ti implementing)
      if [ $xtvga == 1 ] ; then
      loldefined="VGA-0"
      echo "We detected secondary output on VGA-0."
      fi
      if [ $xthdmi == 1 ] ; then
      loldefined="HDMI-0"]
      echo "We detected secondary output on HDMI-0."
      fi


    xrandr --output LVDS --auto
      xrandr --output $loldefined --$1 LVDS --auto
     # if [ $2 == "primary" ] ; then
      xrandr --output $loldefined --primary
     # fi
      echo "New display has been placed $1 the previous one. Resolution has been set on prefered value."
    rm /home/tamius-han/.kde/share/config/* #Deleting old configs
    cp /home/tamius-han/.kde/share/config/configs/$1/* /home/tamius-han/.kde/share/config
    echo "Copying = finito"
}
echo "-----------------------------------"
echo "Number of external monitors: $xtmon"
echo "VGA-0: $xtvga"
echo "HDMI-0: $xthdmi"
echo "restartArg: $restartArg"
echo "doBackup: $doBackup"
echo "whoami: tamius-han"
echo "-----------------------------------"


if [ $xtmon == 1 ] ; then
    #default values
    echo "xtmon = 1"

    monlayout="left-of"
    for f in "left-of" "right-of" "above" "below" "same-as" "off" "last" "single" ; do
    if [ "$1" = "$f" ] ; then
        monlayout=$f
    fi
    done
    #if [ "$monlayout" = "$(ls /home/tamius-han/.kde/share/config/last/)" ] ; then
    #exit 0
    #fi
    recfg-multi $monlayout

fi
if [ $xtmon == 0 ] ; then
    #if [ "single" = "$(ls /home/tamius-han/.kde/share/config/last/)" ] ; then
    #exit 0
    #fi

    backup single

    echo "No external monitors are connected."
    xrandr --output VGA-0 --off
    xrandr --output HDMI-0 --off
    xrandr --output LVDS --auto
    echo "All displays have been removed."


    cp /home/tamius-han/.kde/share/config/configs/single/* /home/tamius-han/.kde/share/config

    echo "Single monitor configuration pulled from the storage."

fi
# echo "Chown to all!"
# chown -R tamius-han /home/tamius-han/.kde/share/
kstart plasma-desktop