#!/bin/bash

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

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

#=================================================
# ADD SWAP IF NEEDED
#=================================================
#https://github.com/zwave-js/zwave-js-ui/issues/2699
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

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=1

usermod -d $install_dir $app

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


#=================================================
# INSTALL EXTRA DEPENDENCIES
#=================================================
#REMOVEME? ynh_script_progression --message="Installing dependencies..." --weight=15

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

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=8

# 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"

#=================================================
# BUILD FROM SOURCE
#=================================================
ynh_script_progression --message="Building from sources..." --weight=1

pushd "$install_dir"
 	ynh_script_progression --message="Fetching Yarn dependencies... This can be very long, be patient !" --weight=40
	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=30
	#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"


#=================================================
# REMOVE ADDITIONNAL SWAP
#=================================================
if [ $swap_needed > 0 ]; then
	ynh_script_progression --message="Remove additionnal swap..." --weight=2
	ynh_del_swap
fi
#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --weight=2

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configuring a systemd service..." --weight=2

# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..." --weight=1

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

#=================================================
# 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

# Start a systemd service
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="Installation of $app completed" --last
