decorate-internal

# global var for storing the last created window
_last_window=

# send a command to the active pane
_features_send() {
  target="$1"; shift
  cmd="$1"; shift
  tmux send-keys -t "$target" "$cmd" Enter
}

# create a pane split via the given switch and send a command
_features_create_pane() {
  type="$1"; shift
  cmd="$1"
  pane="$(tmux list-panes -t "$_last_window" -F '#{pane_id}' | tail -n1)"
  created="$(tmux split-window -dP -t "$pane" "$type")"
  if [ "$cmd" ]; then
    _features_send "$created" "$cmd"
  fi
}

# create a named window and run a command
w() {
  name="$1"; shift
  cmd="$1"
  window="$(tmux new-window -n "$name" -dP)"
  _last_window="$window"
  if [ "$cmd" ]; then
    _features_send "$window" "$cmd"
  fi
}

# split horizontally and send command
h() {
  cmd="$1"
  _features_create_pane -h "$cmd"
}

# split vertically and send command
v() {
  cmd="$1"
  _features_create_pane -v "$cmd"
}