#!/bin/bash
#$1 is -

#echo "DISP:eDP1"
#exit 0

function primary() {
    xrandr | grep primary | awk '{print $1}'
}

#displays=($(xrandr | sed -rn 's/(^|(.* ))([^ ]*) connected(( .*)|$)/\3/g; T; p' ))
displays=$(xrandr | grep " connected" | awk '{print $1}')
case "$1" in
    "connected")
        echo "$displays"
#        for i in "${displays[@]}"; do
#            echo "$i"
#        done
        ;;
    "lemonbar")
        echo "DISP ${displays[@]}" | sed "s/ /:/g"
        ;;
    *)
        # -F Fix strings, -x exactly, -q quiet
        if echo "$displays" | grep -Fqx "$1"; then
            case "$2" in
                "off")
                    action="--off"
                    ;;
                "mirror")
                    action="--same-as $(primary)"
                    ;;
                "left")
                    action="--left-of $(primary) --auto"
                    ;;
                "right")
                    action="--right-of $(primary) --auto"
                    ;;
                *)
                    exit 1
                    ;;
            esac
            xrandr --output $1 $action
        fi
esac