#!/usr/bin/env bash

set -eu

SSH_SERVERS="$(grep 'Host ' "${HOME}/.ssh/config" | sed 's/^Host //')"
HOSTS=$(grep -v '^#' /etc/hosts)
ALL_HOSTS="$(echo "$SSH_SERVERS" "$HOSTS" | grep -v '\*'| sed 's/ /\n/g' | sed '/^$/d' | sort | uniq)"

SSH_SERVER="$(echo -n "$ALL_HOSTS" | fzf +m --print-query --bind 'tab:replace-query' | tail -n 1)"


if [[ -z "${SSH_SERVER}" ]]; then
    exit 0
fi


SSH_SERVER_SESSION_NAME="${SSH_SERVER//\./-}"
SSH_SERVER_SESSION_NAME="${SSH_SERVER_SESSION_NAME//:/-}"
SSH_SERVER_SESSION_NAME="${SSH_SERVER_SESSION_NAME%% *}"
declare -r SESSION="ssh_${SSH_SERVER_SESSION_NAME}"


if ! tmux has-session -t "${SESSION}" 2>/dev/null; then
    tmux new-session -s "${SESSION}" -d -n "1" "ssh ${SSH_SERVER} || read"
fi

tmux switch-client -t "${SESSION}"