#!/bin/sh

LOCK_FILE="$HOME/.config/gnome-flavour-selector/timestamp"
EXTENSIONS_SWITCHER="/etc/gnome-flavour-selector/extensions.json"

mkdir -p $HOME/.config/gnome-flavour-selector

if [ -f "$LOCK_FILE" -a -f "$EXTENSIONS_SWITCHER" ]; then
	_timestamps="$(cat $EXTENSIONS_SWITCHER | jq -r '. | keys | .[]')"
	_lastrun_timestamps="$(cat $LOCK_FILE )"

	for ts in $_timestamps; do
    	if [ $(echo $ts | sed 's@^T@@') -gt $_lastrun_timestamps ]; then
        	EXT_2_ENABLE=$(cat $EXTENSIONS_SWITCHER | jq -r ".${ts}.enable")
	        EXT_2_DISABLE=$(cat $EXTENSIONS_SWITCHER | jq -r ".${ts}.disable")

    	    if [ "$EXT_2_ENABLE" != "null" ]; then
        	    EXT_2_ENABLE=$(echo $EXT_2_ENABLE | jq -r .[] )

            	for ext in $EXT_2_ENABLE; do
	                echo gnome-extensions enable $ext
    	        done
        	fi

	        if [ "$EXT_2_DISABLE" != "null" ]; then
    	        EXT_2_DISABLE=$(echo $EXT_2_DISABLE | jq -r .[] )

        	    for ext in $EXT_2_DISABLE; do
            	    echo gnome-extensions disable $ext
	            done
    	    fi

			date +%Y%m%d%H%M > $LOCK_FILE
	    fi
	done
fi

if [ -f "$LOCK_FILE" ]; then
	exit 0
fi

EXTENSIONS="arcmenu@arcmenu.com ding@rastersoft.com dash-to-panel@jderose9.github.com"
for ext in $EXTENSIONS; do
	gnome-extensions disable $ext
done

gnome-extensions disable dash-to-dock@gnome-shell-extensions.gcampax.github.com

if [ "$(echo $LANG)" = "ru_RU.UTF-8" ]; then
	CLASSIC="Классический вид c панелью и меню"
	MODERN="GNOME Shell с доком и верхней панелью"
	TITLE="Выбор оформления рабочего стола"
	TEXT="Выберете дизайн оформления рабочего стола GNOME"
else
	CLASSIC="Classic mode with panel and menu"
	MODERN="GNOME Shell with dock and upper panel"
	TITLE="Desktop design selector"
	TEXT="Choose design of GNOME desktop"
fi

table=(
   /usr/share/gnome-flavour-selector/Classic_2.png "Classic" "$CLASSIC"
   /usr/share/gnome-flavour-selector/Modern_2.png "Shell" "$MODERN"
)

MODE=$(GDK_BACKEND=x11 yad		\
   --center						\
   --no-escape					\
   --on-top						\
   --list						\
   --no-headers					\
   --title="$TITLE"				\
   --text="$TEXT"				\
   --text-width=60				\
   --borders=20					\
   --print-column=2				\
   --hide-column=2				\
   --separator=' '				\
   --width=1000					\
   --height=675					\
   --column="Изображение:IMG"	\
   --column="Описание:HD"		\
   --column="Описание"			\
   --button="Применить":20		\
   --response=20				\
   --auto-kill					\
   "${table[@]}"
)

# Workarround for window kill
if [ $? -ne 20 ]; then
	MODE="Classic"
fi

if [ -z $MODE ]; then
	exit 1
fi

if [ $MODE = "Classic" ]; then
	for ext in $EXTENSIONS; do
		gnome-extensions enable $ext
	done
elif [ $MODE = "Shell" ]; then
	gnome-extensions enable dash-to-dock@gnome-shell-extensions.gcampax.github.com
else
	echo "Unknown"
fi

date +%Y%m%d%H%M > $LOCK_FILE