#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# CHECK VERSION
#=================================================

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..." --weight=1

ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
#ynh_script_progression --message="Ensuring downward compatibility..." --weight=1

#=================================================
# ADD SWAP IF NEEDED
#=================================================
#https://github.com/zwave-js/zwave-js-ui/issues/2699
if [ "$upgrade_type" == "UPGRADE_APP" ]; then
	ynh_script_progression --message="Checking for RAM..."

	total_memory=$(ynh_get_ram --total)
	swap_needed=0

	if [ $total_memory -lt $MEMORY_NEEDED ]; then
		# Need a minimum of 2Go of memory
		swap_needed=$(($MEMORY_NEEDED - $total_memory))
		ynh_script_progression --message="Adding $swap_needed Mo to swap..."
		SD_CARD_CAN_SWAP=1
		ynh_add_swap --size=$swap_needed
	fi
fi

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1

if grep dialout -q < /etc/group; then
	usermod -a -G dialout "$app"
fi
if grep i2c -q < /etc/group; then
	usermod -a -G i2c "$app"
fi
if grep gpio -q < /etc/group; then
	usermod -a -G gpio "$app"
fi

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
#REMOVEME? ynh_script_progression --message="Upgrading dependencies..." --weight=1

ynh_install_nodejs --nodejs_version=$NODEJS_VERSION
ynh_use_nodejs
ynh_exec_warn_less $ynh_npm install ---global yarn

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --weight=1

	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source --dest_dir="$install_dir"

	chmod 750 "$install_dir"
	chmod -R o-rwx "$install_dir"
	chown -R $app: "$install_dir"
	
	ynh_script_progression --message="Building from sources..." --weight=15
	pushd "$install_dir"
		ynh_script_progression --message="Fetching Yarn dependencies... This can be very long, be patient !" --weight=18
		ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn plugin import workspace-tools
		ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn workspaces focus --production
		ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn install --network-timeout 1000000000
		#On slow/low memory system, yarn silently fails with a 0 return code and nothing seems to be doable about that so far.
		#relaunching yarn install seems to do the trick for raspberry at least as it resumes from where it fails
		#https://github.com/yarnpkg/berry/issues/3996
		#https://github.com/yarnpkg/berry/issues/5065
		ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn install --network-timeout 1000000000
		ynh_script_progression --message="Cleaning cache... " --weight=3
		ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn cache clean 2>&1
 		ynh_script_progression --message="Building Yarn dependencies... This can be very long, be patient !" --weight=18
		#https://geeklearning.io/angular-aot-webpack-memory-trick/
		ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH NODE_OPTIONS=--max-old-space-size=2048 yarn run build
		ynh_script_progression --message="Cleaning cache... " --weight=3
		ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn cache clean 2>&1
	popd

	chmod 750 "$install_dir"
	chmod -R o-rwx "$install_dir"
	chown -R $app: "$install_dir"

fi

#=================================================
# REMOVE ADDITIONNAL SWAP
#=================================================
if [ "$upgrade_type" == "UPGRADE_APP" ]; then
	if [ $swap_needed > 0 ]; then
		ynh_script_progression --message="Remove additionnal swap..." --weight=2
		ynh_del_swap
	fi
fi

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration..." --weight=1

# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Upgrading logrotate configuration..." --weight=1

# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --logfile="/var/log/$app/$app.log" --non-append

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add $app --description="Zwave integration in domoticz" --log="/var/log/$app/$app.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1

ynh_systemd_action --service_name=$app --action="start" --line_match="Listening on port" -t 30 --log_path="/var/log/$app/$app.log"

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Upgrade of $app completed" --last