helpers.sh

# tmux show-option "q" (quiet) flag does not set return value to 1, even though
# the option does not exist. This function patches that.
get_tmux_option() {
	local option=$1
	local default_value=$2
	local option_value=$(tmux show-option -gqv "$option")
	if [ -z "$option_value" ]; then
		echo "$default_value"
	else
		echo "$option_value"
	fi
}

# Ensures a message is displayed for 5 seconds in tmux prompt.
# Does not override the 'display-time' tmux option.
display_message() {
	local message="$1"

	# display_duration defaults to 5 seconds, if not passed as an argument
	if [ "$#" -eq 2 ]; then
		local display_duration="$2"
	else
		local display_duration="5000"
	fi

	# saves user-set 'display-time' option
	local saved_display_time=$(get_tmux_option "display-time" "750")

	# sets message display time to 5 seconds
	tmux set-option -gq display-time "$display_duration"

	# displays message
	tmux display-message "$message"

	# restores original 'display-time' value
	tmux set-option -gq display-time "$saved_display_time"
}

tmux_socket() {
	echo $TMUX | cut -d',' -f1
}

session_exists_exact() {
	tmux has-session -t "=${SESSION_NAME}" >/dev/null 2>&1
}

session_exists_prefix() {
	tmux has-session -t "$SESSION_NAME" >/dev/null 2>&1
}

switch_to_session() {
	local session_name="$1"
	tmux switch-client -t "$session_name"
}

number_of_session_collisions() {
	tmux -S "$(tmux_socket)" list-sessions | grep -c "$1" 
	# this is a temporary implementation, a session might have a similar name or have a name with a higher value than the number of collision
	# I need help fixing those potential issues
}