#!/usr/bin/env sh

# set variables
BaseDir=`dirname $(realpath $0)`
ConfDir="$HOME/.config"
ThemeCtl="$ConfDir/swww/wall.ctl"


# evaluate options
while getopts "npst" option ; do
    case $option in

    n ) # set next theme
        ThemeSet=`head -1 $ThemeCtl | cut -d '|' -f 2` #default value
        flg=0
        while read line
        do
            if [ $flg -eq 1 ] ; then
                ThemeSet=`echo $line | cut -d '|' -f 2`
                break
            elif [ `echo $line | cut -d '|' -f 1` -eq 1 ] ; then
                flg=1
            fi
        done < $ThemeCtl
        export xtrans="center" ;;

    p ) # set previous theme
        ThemeSet=`tail -1 $ThemeCtl | cut -d '|' -f 2` #default value
        flg=0
        while read line
        do
            if [ $flg -eq 1 ] ; then
                ThemeSet=`echo $line | cut -d '|' -f 2`
                break
            elif [ `echo $line | cut -d '|' -f 1` -eq 1 ] ; then
                flg=1
            fi
        done < <( tac $ThemeCtl )
        export xtrans="outer" ;;

    s ) # set selected theme
        shift $((OPTIND -1))
        ThemeSet=$1 ;;

    t ) # display tooltip
        echo ""
        echo "󰆊 Next/Previous Theme"
        exit 0 ;;

    * ) # invalid option
        echo "n : set next theme"
        echo "p : set previous theme"
        echo "s : set theme from parameter"
        echo "t : display tooltip"
        exit 1 ;;
    esac
done


# update theme control
if [ `cat $ThemeCtl | awk -F '|' -v thm=$ThemeSet '{if($2==thm) print$2}' | wc -w` -ne 1 ] ; then
    echo "Unknown theme selected: $ThemeSet"
    echo "Available themes are:"
    cat $ThemeCtl | cut -d '|' -f 2
    exit 1
else
    echo "Selected theme: $ThemeSet"
    sed -i "s/^1/0/g" $ThemeCtl
    awk -F '|' -v thm=$ThemeSet '{OFS=FS} {if($2==thm) $1=1; print$0}' $ThemeCtl > $BaseDir/tmp && mv $BaseDir/tmp $ThemeCtl
fi


# swwwallpaper
getWall=`grep '^1|' $ThemeCtl | cut -d '|' -f 3`
getWall=`eval echo $getWall`
ln -fs $getWall $ConfDir/swww/wall.set
$ConfDir/swww/swwwallpaper.sh

if [ $? -ne 0 ] ; then
    echo "ERROR: Unable to set wallpaper"
    exit 1
fi


# vs code
sed -i "/workbench.colorTheme/c\    \"workbench.colorTheme\": \"${ThemeSet}\"," $ConfDir/Code/User/settings.json


# kitty
ln -fs $ConfDir/kitty/themes/${ThemeSet}.conf $ConfDir/kitty/themes/theme.conf
killall -SIGUSR1 kitty


# qt5ct
sed -i "/^color_scheme_path=/c\color_scheme_path=$ConfDir/qt5ct/colors/${ThemeSet}.conf" $ConfDir/qt5ct/qt5ct.conf
IconSet=`awk -F "'" '$0 ~ /gsettings set org.gnome.desktop.interface icon-theme/{print $2}' $ConfDir/hypr/themes/${ThemeSet}.conf`
sed -i "/^icon_theme=/c\icon_theme=${IconSet}" $ConfDir/qt5ct/qt5ct.conf


# flatpak GTK
flatpak --user override --env=GTK_THEME="${ThemeSet}"
flatpak --user override --env=ICON_THEME="${IconSet}"


# rofi
ln -fs $ConfDir/rofi/themes/${ThemeSet}.rasi $ConfDir/rofi/themes/theme.rasi


# hyprland
ln -fs $ConfDir/hypr/themes/${ThemeSet}.conf $ConfDir/hypr/themes/theme.conf
hyprctl reload


# refresh thumbnails
$BaseDir/themeselect.sh T &


# send notification
ncolor="-h string:bgcolor:#343d46 -h string:fgcolor:#c0c5ce -h string:frcolor:#c0c5ce"
notify-send $ncolor "theme" -a "    ${ThemeSet}" -i "~/.config/dunst/icons/paint.svg" -r 91190 -t 2200


# waybar
$ConfDir/waybar/wbarconfgen.sh