#!/bin/bash

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

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

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

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

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================

app=$YNH_APP_INSTANCE_NAME

# Retrieve arguments
domain=$(ynh_app_setting_get "$app" domain)
path_url=$(ynh_app_setting_get "$app" path_url)
db_name=$(ynh_app_setting_get "$app" db_name)
db_pwd=$(ynh_app_setting_get "$app" mysqlpwd)
db_user=$app
final_path=$(ynh_app_setting_get "$app" final_path)
secret=$(ynh_app_setting_get "$app" secret)

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

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

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

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

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

	ynh_secure_remove /etc/init.d/ffsync
	ynh_secure_remove /var/log/ffsync.log
	ynh_secure_remove /opt/yunohost/ffsync

	ynh_add_systemd_config
fi

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
	# restore it if the upgrade fails
	ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# CHECK THE PATH
#=================================================

# Normalize the URL path syntax
path_url=$(ynh_normalize_url_path "$path_url")

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# INSTALL DEPENDENCIES
#=================================================

# Check depends installation
ynh_install_app_dependencies python-dev python-virtualenv \
			 uwsgi uwsgi-plugin-python

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

# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source_local "$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================

# Create a dedicated nginx config
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"

	ynh_store_file_checksum "$finalnginxconf"
else
	# add rewrite for alias_traversal protection
	ynh_replace_string "^#sub_path_only" "" "../conf/nginx.conf"
fi


#=================================================
# CREATE DEDICATED USER
#=================================================

# Create a system user
ynh_system_user_create "$app"

#=================================================
# SPECIFIC UPGRADE
#=================================================

# Copy Files
cp ../conf/syncserver.ini "$final_path/syncserver.ini"
ynh_replace_string "__APP__"       "$app"        "$final_path/syncserver.ini"
ynh_replace_string "__DOMAIN__"    "$domain"     "$final_path/syncserver.ini"
ynh_replace_string "__PATH__"      "$path_url"   "$final_path/syncserver.ini"
ynh_replace_string "__NAME__"      "$app"        "$final_path/syncserver.ini"
ynh_replace_string "__FINALPATH__" "$final_path" "$final_path/syncserver.ini"
ynh_replace_string "__SECRET__"    "$secret"     "$final_path/syncserver.ini"

ynh_replace_string "__DB_USER__"   "$db_user" "$final_path/syncserver.ini"
ynh_replace_string "__DB_PWD__"    "$db_pwd"  "$final_path/syncserver.ini"
ynh_replace_string "__DB_NAME__"   "$db_name" "$final_path/syncserver.ini"

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

# no need, keep the default root:root

#=================================================
# SETUP LOGROTATE
#=================================================

ynh_use_logrotate

#=================================================
# ADVERTISE SERVICE IN ADMIN PANEL
#=================================================

yunohost service add "$app" -l /var/log/$app/$app.log

#=================================================
# SETUP SSOWAT
#=================================================

ynh_app_setting_set "$app" skipped_uris "/"

#=================================================
# RELOAD NGINX
#=================================================

systemctl stop "$app.service"
systemctl start "$app.service"
systemctl reload nginx