#!/bin/bash

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

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


#=================================================
# CHECK VERSION
#=================================================
ynh_script_progression --message="Checking version..."

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================

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

# Stop service before backup, to not loose message in case of failed upgrade and restore
ynh_systemd_action --service_name=$app --action="stop" --log_path=systemd --line_match="Stopped"

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=1

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

# If db_name doesn't exist, create it
if [ -z "$db_name" ]; then
	db_name=$(ynh_sanitize_dbid --db_name=$app)
	ynh_app_setting_set --app=$app --key=db_name --value=$db_name
fi

# If install_dir doesn't exist, create it
if [ -z "$install_dir" ]; then
	install_dir=/var/www/$app
	ynh_app_setting_set --app=$app --key=install_dir --value=$install_dir
fi

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

if [ "$upgrade_type" == "UPGRADE_APP" ]

then
	ynh_script_progression --message="Upgrading source files..." --weight=5

	pushd $install_dir
		chown -R $app:www-data "$install_dir"
		
		ynh_exec_as $app git fetch
    	#git checkout master
    	ynh_exec_as $app git pull
	popd
fi

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


#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..." --weight=5

ynh_install_nodejs --nodejs_version=$NODEJS_VERSION

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# BUILD APP
#=================================================
ynh_script_progression --message="Building app..."

pushd "$install_dir"
	ynh_use_nodejs
    corepack enable
    corepack prepare --activate
    ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn cleanall
    ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn install
    ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH NODE_ENV=production yarn build
    ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn migrate
popd

#=================================================
# 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 --non-append

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

yunohost service add $app --description="A interplanetary blogging platform" --log="/var/log/$app/$app.log"

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

ynh_systemd_action --service_name=$app --action="start" --log_path=systemd --line_match="All workers started"


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

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