#!/bin/sh
# ignore shellcheck's warnings, the script works fine

fzf_opts() {
	local argument_input

	fzf -i -e -m +s \
		--query="$argument_input" \
		--select-1 \
		--cycle \
		--reverse \
		--info=inline \
		--header="TAB to (un)select. ENTER to run. ESC to quit." \
		--preview-window=bottom:45%:wrap \
		--preview 'xbps-query -R {2} ' \
		--prompt="Filter > " | awk '{print $2}'
}

install() {
	local pkg
	pkg="$(xbps-query -Rs "" | sort -u | grep -v "*" | fzf_opts)"
	pkg="$(echo "$pkg" | paste -sd " ")"

	if [ -n "$pkg" ]; then
		clear
		doas xbps-install $pkg
	fi
}

remove() {
	local pkg
	pkg="$(xbps-query -l | sort -u | fzf_opts)"
	pkg="$(echo "$pkg" | paste -sd " ")"

	if [ -n "$pkg" ]; then
		clear
		doas xbps-remove -R $pkg
	fi
}

unhold() {
	local pkg
	pkg="$(xbps-query -p hold -s "" | sort -u | fzf)"
	pkg="$(echo "$pkg" | paste -sd " " | tr -d ":")"

	if [ -n "$pkg" ]; then
		clear
		doas xbps-pkgdb -m unhold $pkg
	fi
}

hold() {
	local pkg
	pkg="$(xbps-query -l | sort -u | fzf_opts)"
	pkg="$(echo "$pkg" | paste -sd " ")"

	if [ -n "$pkg" ]; then
		clear
		doas xbps-pkgdb -m hold $pkg
	fi
}

cache() {
	doas xbps-remove -Oo
}

case "$1" in
	1) install ;;
	2) remove ;;
	3) hold ;;
	4) unhold ;;
	5) cache ;;
	*) cat << EOF ;;
xui: FZF xbps ui. Run simple xbps commands to install,
remove, hold, unhold, update packages, and clear cache.

Allowed options:
  1: Install      Runs \`xbps-install\`
  2: Remove       Runs \`xbps-remove -R\`
  3: Hold         Runs \`xbps-pkgdb -m hold\`
  4: Unhold       Runs \`xbps-pkgdb -m unhold\`
  5: Clear cache  Runs \`xbps-remove -Oo\`
  All else        Print this message

Enter the number of your choice to execute command.
EOF

esac