# Create/attach to named session.
# By default uses name `main`.
# Usage: ta [NAME]
function 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 from running session.
function td() {
	tmux detach-client
}

# List running sessions.
function tl() {
	tmux list-sessions
}

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

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

	tmux rename-session "${name}"
}

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

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

	tmux rename-window "${name}"
}

# Kill specified session.
# By default it kills `main` session.
# Usage: tk [NAME]
function 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.
function tka() {
	local sessions=$(tmux list-sessions | sed -e 's/:.*//')

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

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

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

# Autocomplete with current dir name and dirs inside this one.
function _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