#!/bin/sh

[ -z "$@" ] && echo "xif: empty search term" && exit 1

filter='/^.[i*]. /d'
filter1='s/^...\? //'
filter2='s/-[^- ]* / /'

# when available, use xrs(1)
# fallback to xbps-query -Rs
XRS="xbps-query -Rs"
command -v xrs >/dev/null && XRS="xrs"
# when available, use xi(1)
# fallback to xbps-install
XI="xbps-install"
command -v xi >/dev/null && XI="xi"

install() {
    sudo $XI "$@"
}

pkgs() {
    $XRS "$@" | sed "$filter;$filter1;$filter2" | fzf --layout=reverse -m |\
        cut -d' ' -f1 | tr '\n' ' ' | sed "s/ $//"
}

PKGS="$(pkgs "$@")"
[ -z $PKGS ] && exit 130

install -S "$PKGS"
status=$?
if [ $status -eq 16 ]; then
    install -u xbps &&
    install -S $(pkgs "$@")
else
    exit $status
fi