#!/bin/sh
# Manage stowed programs

isstowed() {
    f="$(find "/usr/local/stow/$1" -type f -print -quit)"
    f2="$(echo "$f" | sed -e 's;^/usr/local/stow/'"$1"'/;/usr/local/;')"
    [ "$(realpath "$f2" 2>/dev/null)" = "$f" ]
}

if arg --list "$@" || arg -l "$@"; then
    for pack in /usr/local/stow/*; do
        if isstowed "$pack"; then
            printf "\x1b[1m+ %s\x1b[0m\n" "$pack"
        else
            printf "\x1b[2m- %s\x1b[0m\n" "$pack"
        fi
    done
else
    package=$(ls /usr/local/stow | fzy -l 20 -p "Select a stow package: " -q "$1") || exit 1
    if isstowed "$package"; then
        printf "\x1b[1m%s\x1b[0m is currently stowed. Do you want to \x1b[1m(u)\x1b[0mnstow it, " "$package"
        printf "\x1b[1m(r)\x1b[0mestow it, or do \x1b[1m(n)\x1b[0mothing? [u/r/n] "
        read -r choice
        if [ "$choice" = "u" ]; then
            sudo stow -d /usr/local/stow -D "$package" && printf "Unstowed \x1b[1m%s\x1b[0m!\n" "$package"
        elif [ "$choice" = "r" ]; then
            sudo stow -d /usr/local/stow -R "$package" && printf "Restowed \x1b[1m%s\x1b[0m!\n" "$package"
        fi
    else
        printf "\x1b[1m%s\x1b[0m is not currently stowed. Do you want to stow it? [Y/n] " "$package"
        read -r confirm
        if [ "$confirm" != "n" ]; then
            sudo stow -d /usr/local/stow "$package" && printf "Stowed \x1b[1m%s\x1b[0m!\n" "$package"
        fi
    fi
fi