#!/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="systemd"

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

ynh_remove_logrotate

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

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --weight=10

	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source --dest_dir="$install_dir" --full_replace=1 --keep="server/config.js"
fi

chmod -R o-rwx "$install_dir"
chown -R "$app:www-data" "$install_dir"
chmod +x "$install_dir/server/bin/prod.js"

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..." --weight=18

ynh_exec_warn_less ynh_install_nodejs --nodejs_version="$nodejs_version"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=2

# Create a dedicated NGINX config
ynh_add_nginx_config

env_path="$PATH"
# Create a dedicated systemd config
ynh_add_systemd_config

yunohost service add "$app" --description="Simple, private file sharing" --log="/var/log/$app/$app.log"

#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..."

ynh_add_config --template="config.js" --destination="$install_dir/server/config.js"

chmod 400 "$install_dir/server/config.js"
chown "$app:" "$install_dir/server/config.js"

#=================================================
# SPECIFIC UPGRADE
#=================================================
# BUILD APP
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Building app... (this will take some time and resources!)" --weight=16

	pushd "$install_dir"
		ynh_use_nodejs
		ynh_exec_warn_less ynh_exec_as "$app" env "$ynh_node_load_PATH" "$ynh_npm" install
		ynh_exec_warn_less ynh_exec_as "$app" env "$ynh_node_load_PATH" "$ynh_npm" run build
	popd
fi

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

ynh_systemd_action --service_name="$app" --action="start" --log_path="systemd"

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

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