hollywood

#!/bin/bash
#
# This is the version of hollywood for MacOSX. Suggest improvements for this version at github.com/real-aazam/hollywood

# hollywood originally created by Dustin Kirkland <dustin.kirkland@gmail.com> https://github.com/dustinkirkland/hollywood
#
# hollywood: create a hollywood suitable consoles of tech geekery - Dustin Kirkland <dustin.kirkland@gmail.com>
# 
# Arguments: 
# 		-d|--delay DELAY		The delay in seconds before rearranging splits (default=10s)
#		-s|--splits SPLITS		The number of splits to divide your screen
#		-e|--expand				Expand terminal screen on script startup (0 or 1, default = 1)
#		-h|--help				Print help message

PKG="hollywood"
trap "pkill -f hollywood; exit 0" INT



Help()
{

	# Display Help
	echo "hollywood (v1.0 for mac osx): create a hollywood suitable consoles of tech geekery"
	echo "hollywood was originally created by Dustin Kirkland"
	echo ""
	echo "This is the version for MacOSX. Suggest improvements for this version at github.com/real-aazam/hollywood"
	echo ""
	echo "usage: hollywood [-d DELAY] [-s SPLITS] [-e EXPAND]"
	echo ""
	echo "Optional arguments:"
	echo "	-d|--delay DELAY : The delay in seconds before rearranging splits (default=10)"
	echo "	-s|--splits SPLITS : The number of splits to divide your screen"
	echo "	-e|--expand EXPAND : Expand terminal screen on script startup (0 or 1, default = 1)"
	echo "	-h|--help : Print this help message"
	echo ""
	echo ""
	echo "Press the Control and C keys to stop the script. If you manually closed the terminal screen, then background tasks may still be running. In this case, simply run hollywood again and press the Control and C keys to stop the script and kill background tasks."
	echo ""

}

spin_up() {
	local w=
	local panes=
	local splits=
	local pane=
	local dir="v"
	local split=1
	sleep 0.5
	for w in $(ls "$WIDGET_DIR" | sort -R); do
		[ "$dir" = "-v" ] && dir="-h" || dir="-v"
		panes=$(tmux list-panes -t $PKG 2>/dev/null)
		# Allow for failed widgets
		splits=$(echo "$panes" | wc -l)
		pane=$((RANDOM % $splits))
		tmux split-window $dir -t ${PKG}.$pane "nice -n 19 $WIDGET_DIR/$w" >/dev/null 2>&1
		sleep 0.2
		split=$((split+1))
		if [ $split -ge $SPLITS ]; then
			break
		fi
	done
}

WIDGET_DIR="$(dirname $0)/resources/widgets"
SPLITS=$(ls "$WIDGET_DIR" | wc -l)
DELAY=10
EXPAND=1
WIDGETS_FOUND=0

while [ ! -z "$1" ]; do
	case "$1" in
		-d|--delay)
			DELAY="$2"
			shift 2
		;;
		-s|--splits)
			SPLITS="$2"
			shift 2
		;;
		-e|--expand)
			EXPAND="$2"
			shift 2
		;;
		-w|--widgets)
			WIDGETS_FOUND="$2"
			shift 2
		;;
		-h|--help|*)
			# TODO: exec man $PKG
			Help
			exit 

		;;
	esac
done





widgets_all=$(ls "$WIDGET_DIR/" | sort -R)
if [[ "$WIDGETS_FOUND" == "1" ]]; then printf '%s\n' "${widgets_all[@]}"; exit; fi;




if [[ "$EXPAND" == "1" ]]; then printf "\033[8;99999;99999t"; fi;

widget1=$(ls "$WIDGET_DIR/" | sort -R | head -n1)


arrangements="main-horizontal main-vertical tiled"

if [ -z "$TMUX" ]; then
	# Not in a tmux session: start one, with
	# byobu if it's found, else with plain tmux
	command -v byobu >/dev/null 2>&1
	if [ $? -eq 0 ]; then
		tmux_launcher=byobu
	else
		tmux_launcher=tmux
	fi
	$tmux_launcher new-session -d -s $PKG "/bin/bash"
	$tmux_launcher send-keys -t $PKG "$0 $1"
	$tmux_launcher send-keys -t $PKG Enter
	exec $tmux_launcher attach-session -t $PKG
	exit 1
fi

tmux new-window -n $PKG "$WIDGET_DIR/$widget1" \; \
	set-option -g pane-active-border-bg "default" \; \
	set-option -g pane-active-border-fg "default" >/dev/null 2>&1

spin_up

i=0
while true; do
	i=$((i+1))
	if [ "$((i % DELAY))" = "0" ]; then
		tmux kill-pane -a -t $PKG.bottom-right
		spin_up
	fi
	if [ $(tmux list-panes -t $PKG 2>/dev/null | wc -l) -gt 0 ]; then
		sleep 1
		continue
	fi
	exit 0
done