#!/bin/bash

##############################################
## dwm popup to choose between open windows ##
## does not change to respective monitor    ##
##############################################

# Date format, for use as the prompt.
date=$(date +"%a %d. %b %R")

# dmenu cannot display more than 30 lines, to avoid screen clutter. Only relevant if you have more than 30 windows open.
height=$(wmctrl -l | wc -l)
if [[ $height -gt 30 ]]; then
    heightfit=30
else
    heightfit=$height
fi

num=$(wmctrl -l | sed 's/  / /' | cut -d " " -f 4- | nl -w 3 -n rn | sed -r 's/^([ 0-9]+)[ \t]*(.*)$/\1 - \2/' | dmenu -b -i -p "$date" -l $heightfit | cut -d '-' -f -1)
[[ -z "$num" ]] && exit

WID=$(wmctrl -l | sed -n "$num p" | cut -c -10)
echo "focus target $WID"

focuswin() {
    wmctrl -i -a "$1"
}

if ! [ -e ~/paperbenni/ismultimonitor ]; then
    focuswin "$WID"
    exit
fi

winequal() {
    if [ "$(wincomp $1)" = "$(wincomp $2)" ]; then
        return 0
    else
        return 1
    fi
}

currentwin() {
    xprop -root | head -1 | grep -o '0x.*' | sed 's/0x/0x0/'
}

wincomp() {
    grep -Eo '.{7}$' <<<"$1"
}

getmonitor() {
    XPOS=$(xdotool getwindowfocus getwindowgeometry | grep -Eoi 'position.*,' | grep -o '[0-9]*')
    if [ "$XPOS" -gt "1919" ]; then
        echo "1"
    else
        echo "0"
    fi
}

OLDWID=$(currentwin)
echo "oldwid $OLDWID"
OLDMONITOR=$(getmonitor)
focuswin "$WID"

if winequal "$(currentwin)" "$WID"; then
    echo " current $(currentwin)"

    if ! [[ $OLDWID =~ "," ]]; then
        if ! [ "$(getmonitor)" = "$OLDMONITOR" ]; then
            xdotool key "super+comma"
            if ! winequal $(currentwin) "$OLDWID"; then
                xdotool key "super+Tab"
            fi
            xdotool key "super+comma"

        fi
    else
        echo "not on any active window"
    fi
    echo "success"
    exit
else
    focuswin "$OLDWID"
    echo $(currentwin)
    xdotool key "super+comma"
    focuswin "$WID"
fi

# xdotool key "super+comma"
# xdotool key "super+comma"
# xdotool key "super+Tab"