#!/usr/bin/env bash

NAME="${0##*/}"
VER="0.6"

usage()
{
    cat <<- EOF

 USAGE:  $NAME [OPTIONS]

 OPTIONS:

     -h,--help          Display this message

     -v,--version       Display script version

     -r,--run           Application launcher

     -w,--window        Switch between windows

     -l,--logout        System logout dialog

     -b,--browser       Browser search by keyword (requires surfraw)

     -q,--qalculate     Persistant calculator dialog (requires libqalculate)

     -c,--clipboard     Select previous clipboard entries (requires greenclip)


  Without any options the run dialog will be opened.

EOF
}

if (( $# == 0 )); then
	rofi -modi run,drun -show drun -line-padding 4 -columns 2 -padding 50 -hide-scrollbar -show-icons -drun-icon-theme "ArchLabs-Light"
else
	for arg in "$@"; do
		case $arg in
			-h|--help)
				usage
				exit 0
				;;
			-v|--version)
				echo -e "$NAME -- Version $VER"
				exit 0
				;;
			-r|--run)
				rofi -modi run,drun -show drun -line-padding 4 -columns 2 -padding 50 -hide-scrollbar -show-icons -drun-icon-theme "ArchLabs-Light"
				;;
			-w|--window)
				rofi -modi window -show window -hide-scrollbar -padding 50 -line-padding 4
				;;
			-q|--qalculate)
				hash qalc &>/dev/null || { echo "Requires 'libqalculate' installed"; exit 1; }
				rofi -modi "calc:qalc +u8 -nocurrencies" -padding 50 -show "calc:qalc +u8 -nocurrencies" -line-padding 4 -hide-scrollbar
				;;
			-c|--clipboard)
				hash greenclip &>/dev/null || { echo "Requires 'greenclip' installed"; exit 1; }
				rofi -modi "clipboard:greenclip print" -padding 50 -line-padding 4 -show "clipboard:greenclip print" -hide-scrollbar
				;;
			-b|--browser)
				hash surfraw &>/dev/null || { echo "Requires 'surfraw' installed"; exit 1; }
				surfraw -browser="$BROWSER" "$(sr -elvi | awk -F'-' '{print $1}' | sed '/:/d' | awk '{$1=$1};1' |
					rofi -hide-scrollbar -kb-row-select 'Tab' -kb-row-tab 'Control+space' -dmenu -mesg 'Tab for Autocomplete' -i -p 'Web Search')"
				;;
			-l|--logout)
				if grep -q 'exec startx' $HOME/.*profile; then
					ANS="$(rofi -sep "|" -dmenu -i -p 'System' -width 20 -hide-scrollbar -line-padding 4 -padding 20 -lines 3 <<< " Lock| Reboot| Shutdown")"
				else
					ANS="$(rofi -sep "|" -dmenu -i -p 'System' -width 20 -hide-scrollbar -line-padding 4 -padding 20 -lines 4 <<< " Lock| Logout| Reboot| Shutdown")"
				fi
				case "$ANS" in
					*Lock) i3lock-fancy ;;
					*Reboot) systemctl reboot ;;
					*Shutdown) systemctl -i poweroff ;;
					*Logout) session-logout || pkill -15 -t tty"$XDG_VTNR" Xorg ;;
				esac
				;;
			*)
				printf "\nOption does not exist: %s\n\n" "$arg"
				exit 2
		esac
	done
fi

exit 0