#!/bin/bash

#=================================================
# GENERIC START
#=================================================

# IMPORT GENERIC HELPERS
source /usr/share/yunohost/helpers

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

# Import common cmd
source ./experimental_helper.sh
source ./_common.sh

# LOAD SETTINGS
ynh_script_progression --message="Loading installation settings..."
domain=$(ynh_app_setting_get --app $app --key domain)
path_url=$(ynh_app_setting_get --app $app --key path)
db_name=$(ynh_app_setting_get --app $app --key db_name)
db_pwd=$(ynh_app_setting_get --app $app --key mysqlpwd)
db_user=$app
final_path=$(ynh_app_setting_get --app $app --key final_path)
secret=$(ynh_app_setting_get --app $app --key secret)
path_url=$(ynh_normalize_url_path "$path_url")

ynh_script_progression --message="Checking backware compatibility..." --weight=10

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

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

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

# Detect old installation style
if [ -e /etc/init.d/ffsync ]; then
	service ffsync stop
	update-rc.d -f ffsync remove

	ynh_secure_remove --file=/etc/init.d/ffsync
	ynh_secure_remove --file=/var/log/ffsync.log
	ynh_secure_remove --file=/opt/yunohost/ffsync

	yunohost service remove "$app"
fi

# Backup the current version of the ap
ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=10
ynh_backup_before_upgrade
ynh_clean_setup () {
	# restore it if the upgrade fails
	ynh_restore_upgradebackup
}

#=================================================
# STANDARD UPGRADE STEPS
#=================================================

# Check depends installation
ynh_script_progression --message="Upgrading dependencies..."
ynh_install_app_dependencies $dependances

# Download, check integrity, uncompress and patch the source from app.src
ynh_script_progression --message="Upgrading source files..." --weight=6
install_sources

# NGINX CONFIGURATION
ynh_script_progression --message="Configuring nginx..."
ynh_add_nginx_config

if [ "$path_url" == "/" ]
then
	# $finalnginxconf comes from ynh_add_nginx_config
	# uwsgi_param is only needed for non-root installation
	ynh_replace_string "uwsgi_param "     "#uwsgi_param "     "$finalnginxconf"
	ynh_replace_string "uwsgi_modifier1 " "#uwsgi_modifier1 " "$finalnginxconf"
fi
ynh_store_file_checksum --file "$finalnginxconf"
systemctl reload nginx

# Create a system user
ynh_system_user_create "$app"

# SETUP UWSGI
ynh_script_progression --message="Configuring application..."
# create config file syncserver.ini
rm "$final_path/syncserver.ini"
ln -s "/etc/uwsgi/apps-available/$app.ini" "$final_path/syncserver.ini"

# configure uwsgi
ynh_add_uwsgi_service 'domain secret db_user db_pwd db_name'

#=================================================
# GENERIC FINALIZATION
#=================================================

# SECURE FILES AND DIRECTORIES
ynh_script_progression --message="Protecting directory..."
set_permissions

# SETUP SSOWAT
ynh_app_setting_set --app $app --key skipped_uris --value "/"

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