#!/bin/sh
set -x
#Set this values on new system!
##########################################
NOTE_PATH="/sys/class/drm/card0-eDP-1"
EXT1_PATH="/sys/class/drm/card0-DP-1"
EXT2_PATH="/sys/class/drm/card0-DP-3"
NOTE_NAME="eDP1"
EXT1_NAME="DP1-1"
EXT2_NAME="DP1-3"
##########################################

NOTE_STATUS=$(cat "$NOTE_PATH/status")
EXT1_STATUS=$(cat "$EXT1_PATH/status")
EXT2_STATUS=$(cat "$EXT2_PATH/status")

XRANDR_OUT=$(xrandr -q)
NOTE_MAX=$(echo "$XRANDR_OUT" | grep -A 1 $NOTE_NAME | tail -n1 | awk '{ print $1 }')
EXT2_MAX=$(echo "$XRANDR_OUT" | grep -A 1 $EXT2_NAME | tail -n1 | awk '{ print $1 }')
EXT1_MAX=$(echo "$XRANDR_OUT" | grep -A 1 $EXT1_NAME | tail -n1 | awk '{ print $1 }')

COMMAND="$1"

handle_non_exist_mode() {
	xrandr --dpi 96 --output $2 --mode $4 --output $1 --mode $3 --left-of $2
}

if [ "$COMMAND" = "external" -a "$EXT2_STATUS" = "connected" ]; then
	xrandr --dpi 96 --output "$EXT2_NAME" --mode "$EXT2_MAX" --output "$NOTE_NAME" --off

elif [ "$COMMAND" = "external" -a "$EXT1_STATUS" = "connected" ]; then
	xrandr --dpi 96 --output "$EXT1_NAME" --mode "$EXT1_MAX" --output "$NOTE_NAME" --off

elif [ "$EXT2_STATUS" = "connected" -a "$NOTE_STATUS" = "connected" -a "$EXT1_STATUS" = "disconnected" ]; then
	handle_non_exist_mode "$EXT2_NAME" "$NOTE_NAME" "$EXT2_MAX" "$NOTE_MAX"

elif [ "$EXT2_STATUS" = "disconnected" -a "$NOTE_STATUS" = "connected" -a "$EXT1_STATUS" = "connected" ]; then
	handle_non_exist_mode "$EXT1_NAME" "$NOTE_NAME" "$EXT1_MAX" "$NOTE_MAX"

elif [ "$EXT2_STATUS" = "connected" -a "$NOTE_STATUS" = "connected" -a "$EXT1_STATUS" = "connected" ]; then
	xrandr --dpi 96 --output "$NOTE_NAME" --mode "$NOTE_MAX" --output "$EXT1_NAME" --mode "$EXT1_MAX" --left-of "$NOTE_NAME" --output "$EXT2_NAME" --mode "$EXT2_MAX" --left-of "$EXT1_NAME"

elif [ "$EXT2_STATUS" = "disconnected" -a "$NOTE_STATUS" = "connected" -a "$EXT1_STATUS" = "disconnected" ]; then
	~/bin/dnote.sh

fi