#!/usr/bin/env bash

FZF="fzf --preview="

if [[ $# -eq 1 ]]; then
    if [[ "$1" -eq "-a" ]]; then
        selected=$(tmux list-sessions | $FZF | sed 's/: .*//g')
    else
        selected=$(realpath $1)
    fi
else
	DIRECTORIES=$(cat ~/.tmuxs | sed "s&^\~&${HOME}&g")
	selected=$(find ${DIRECTORIES} -mindepth 1 -maxdepth 1 -type d | $FZF)
fi

if [[ -z $selected ]]; then
    exit 0
fi

selected_name=$(basename "$selected" | tr . _)
tmux_running=$(pgrep tmux)

if [[ -z $TMUX ]] && [[ -z $tmux_running ]]; then
    tmux new-session -s $selected_name -c $selected
    exit 0
fi

if ! tmux has-session -t=$selected_name 2> /dev/null; then
    tmux new-session -ds $selected_name -c $selected
fi

tmux switch-client -t $selected_name