#!/usr/bin/env bash

real_tmux() {
    if [ -n "${REMOTE_USER}" -a -e "${HOME}/.${REMOTE_USER}/tmux/tmux.conf" ]; then
        \tmux -f "${HOME}/.${REMOTE_USER}/tmux/tmux.conf" -S "${HOME}/.${REMOTE_USER}/tmux/socket" "$@"
    else
	\tmux "$@"
    fi
}

exec_real_tmux() {
    if [ -n "${REMOTE_USER}" -a -e "${HOME}/.${REMOTE_USER}/tmux/tmux.conf" ]; then
        exec \tmux -f "${HOME}/.${REMOTE_USER}/tmux/tmux.conf" -S "${HOME}/.${REMOTE_USER}/tmux/socket" "$@"
    else
	exec \tmux "$@"
    fi
}

if [[ "x$1" == x ]] ; then
	real_tmux list-sessions ||
	{
		real_tmux new-session -d
	}

	exec_real_tmux attach-session -d
fi

if [ -z "$2" -a "$1" != "att" -a "$1" != "ls" ]; then
	if real_tmux has-session -t "$1"; then
	    exec_real_tmux attach-session -t "$1"
	else
	    exec_real_tmux new-session -s "$1"
	fi
fi

exec_real_tmux $@