# create/attach to named session.
ta()
{
  local name="$1"

  # set default name.
  if [[ "$name" = "" ]]; then
    name="main"
  fi
  
  # call tmux.
  tmux new -s "$name" 2> /dev/null || tmux attach-session -t "$name"
}

# detach.
alias td="tmux detach-client"

# list.
alias tl="tmux list-sessions"

# Rename current session. Uses current dir name by default.
# Usage: trn [NAME]
trn()
{
  local name="${1}"

  [[ "${name}" = "" ]] && name="${PWD##*/}"

  tmux rename-session "${name}"
}

# Assign name (to window). Uses current dir name by default.
# Usage: tn [NAME]
tn()
{
  local name="${1}"

  [[ "${name}" = "" ]] && name="${PWD##*/}"

  tmux rename-window "${name}"
}

# kill specified session or default one.
tk()
{
  # set default name.
  if [[ "${1}" = "" ]]; then
    1="main"
  fi
  
  # call tmux.
  for name in "$@"; do
    tmux kill-session -t "${name}"
  done
}

# kill all sessions.
tka()
{
  local sessions=$(tmux list-sessions | sed -e 's/:.*//')

  for session in $sessions; do
    tmux kill-session -t "$session"
  done
}

# autocompletes.
_complete_tmux_session()
{
  _autocomplete_first "$(tmux list-sessions 2> /dev/null | sed -e 's/:.*//')"
}

_complete_tmux_sessions()
{
  _autocomplete "$(tmux list-sessions 2> /dev/null | sed -e 's/:.*//')"
}

_complete_tmux_name()
{
  _autocomplete_first "${PWD##*/}"$'\n'$(ls --classify | grep /$ | sed -e 's/\/$//')
}

complete -F _complete_tmux_session ta
complete -F _complete_tmux_sessions tk
complete -o nosort -F _complete_tmux_name trn tn