#!/usr/bin/env bash

if [[ $# -eq 1 ]]; then
    selected=$1
else
    selected=$(grep "Host .*" ~/.ssh/config | grep -v "*" | sed "s/Host \(.*\)/\1/" | fzf --cycle --bind 'tab:toggle-up,btab:toggle-down')
fi

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

selected_name="ssh_$selected"
tmux_running=$(pgrep tmux)

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

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

tmux switch-client -t $selected_name