#!/usr/bin/env sh

# Description: Open a Drag and drop window, to drop files onto other programs
#
# Dependency: https://github.com/mwh/dragon
# Shell: POSIX compliant
# Author: 0xACE

selection=${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.selection
resp=f
all=

dnd()
{
    if which dragon-drag-and-drop; then
	dragon-drag-and-drop "$@"
    else
	dragon "$@"
    fi
}

function use_all()
{
    echo -n "mark --all (a) [default=none]: "
    read resp
    if [ "$resp" = "a" ]; then
        all="--all"
    else
        all=""
    fi
}

if [ -s "$selection" ]; then
    echo -n "work with selection (s), current working directory (d) or current file (f) [default=f]: "
    read resp
else
    echo -n "work with current working directory (d) or current file (f) [default=f]: "
    read resp
    if [ "$resp" = "s" ]; then
        resp=f
    fi
fi

if [ "$resp" = "s" ]; then
    use_all
    sed -z 's|'"$PWD/"'||g' < "$selection" | xargs -0 dnd "$all" &
elif [ "$resp" = "d" ]; then
    use_all
    dnd "$all" "$PWD/"* &
else
    if [ -n "$1" ] && [ -e "$1" ]; then
        dnd "$1" &
    fi
fi