#!/usr/bin/env zsh
#
# getting Godot + External vim working requires a little work...
#
# so this script shadows godot, and handles the spin-up of everything needed!
#
# After starting `godot`, connect to the `godot` tmux session (and DON'T close the vim over there)
#

GODOT_EXECUTABLE=/usr/bin/godot
TMUX_SESSION=godot

echo.helper() {
	notify-send 'godot' "${@:2}"
	echo "${@}\\033[0m" >&2
}

echo.info()    { echo.helper "\\033[1;32m" "INFO    : ${@}" >&2; }
echo.error()   { echo.helper "\\033[1;31m" "ERROR   : ${@}" >&2; return 1 }
echo.warning() { echo.helper "\\033[1;33m" "WARNING : ${@}" >&2; }

tmux.has-session () {
	tmux has-session -t "${TMUX_SESSION}" &>/dev/null
}

tmux.has-session && {
	echo.error "tmux session '${TMUX_SESSION}' already exists; refusing to start godot"
	exit 1
}

tmux new-session -d -s "${TMUX_SESSION}" -n vim \
	'sleep 3; while tmux list-windows -t godot -F "#{window_name}" | grep -q lsp-proxy; do vim; echo "vim closed, restarting..."; sleep 1; done'

tmux new-window -t "${TMUX_SESSION}" -n lsp-proxy \
	'while true; do ~/.wryn/config/bin/godot-lsp-proxy.py; echo "proxy died, restarting in 2s..."; sleep 2; done'

tmux select-window -t "${TMUX_SESSION}:0"

echo.info "godot editor session running on tmux '${TMUX_SESSION}'; connect with tmux.godot"

"${GODOT_EXECUTABLE}" "$@"
GODOT_STATUS=$?

# godot relaunches itself when opening a project; so we wait for all godot instances to fully exit
sleep 3
while pgrep -x godot &>/dev/null; do sleep 3; done

tmux kill-window -t "${TMUX_SESSION}:lsp-proxy"
tmux send-keys -t "${TMUX_SESSION}" Escape ':qa' Enter
sleep 3

tmux.has-session && {
	echo.warning "tmux session '${TMUX_SESSION}' still exists; please connect, save, and close for next connection"
}

exit ${GODOT_STATUS}