#!/usr/bin/sh
# @author nate zhou
# @since 2025,2026
# clipboard manager for Wayland and X
# @depends wmenu dmenu(xorg) wl-copy cliphist clipmenu(xorg)

# This script has completions: `.config/{z,ba}sh/completions/_scripts.{z,ba}sh`

usage() {
    cat << _EOF_
USAGE
            $(basename $0) [OPTION]
            clipboard manager for Wayland and X
            without any options, open the dynamic menu to choose a history entry
OPTIONS
            -w,--wipe   wipe the current session's clipboard history,
                        cliphist in Wayland, climenu in X
            -h,--help   print this usage manual
_EOF_
    exit 0
}

set_variables() {
    if [ "$XDG_SESSION_TYPE" = "wayland" ]; then
        menu="${HOME}/.local/bin/wmenu-color"
        wipe_cmd="cliphist wipe"
    elif [ -n "$XAUTHORITY" ]; then
        menu="dmenu"
        wipe_cmd="rm -rf ${XDG_RUNTIME_DIR}/clipmenu.*.*/*"
    fi
}

wipe_history() {
    set_variables

    choice="$(printf "no\nyes" \
              | $menu -p "$(basename $0): wipe clipboard history?")"

    if [ "$choice" = "yes" ]; then
        notify-send -u low -r 199 "$(basename $0)" "Clipboard wiped"
        $wipe_cmd
    else
        notify-send -u low -r 199 "$(basename $0)" "Aboarted";
        exit 0
    fi
}

open_clipboard() {
    if [ "$XDG_SESSION_TYPE" = "wayland" ]; then
        cliphist list | wmenu-color -p "$(basename $0)" -l 6 \
                      | cliphist decode \
                      | wl-copy
    elif [ -n "$XAUTHORITY" ]; then
        clipmenu
    fi
}

[ -z "$1" ] && open_clipboard

case "$1" in
    -w|--wipe) wipe_history ;;
    *) usage ;;
esac