#!/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..."

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

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

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

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

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

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

#config_file="$install_dir/.config/syncthing/config.xml"

#ynh_backup_if_checksum_is_different --file="$config_file"
# Recalculate and store the checksum of the file for the next upgrade.
#ynh_store_file_checksum --file="$config_file"

#ynh_add_config --template="../conf/config.xml" --destination="$config_file"

#chmod 400 "$config_file"
#chown $app:$app "$config_file"

#=================================================
# REAPPLY SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

# Create a dedicated systemd config
ynh_add_systemd_config

yunohost service add $app --description="Continuous File Synchronization" --needs_exposed_ports=$port

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

ynh_systemd_action --service_name=$app --action="start" --log_path=systemd --line_match="Access the GUI via the following URL"

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

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