#!/bin/bash

# Exit on command errors and treat unset variables as an error
	set -eu

# Get multi-instances specific variables
	app=$YNH_APP_INSTANCE_NAME

# Source app helpers
	source /usr/share/yunohost/helpers

# Retrieve old app settings
	domain=$(ynh_app_setting_get "$app" domain)
	path=$(ynh_app_setting_get "$app" path)
	dbname=$app
	dbuser=$app
	dbpass=$(ynh_app_setting_get "$app" mysqlpwd)

# Check domain/path availability
	sudo yunohost app checkurl "${domain}${path}" -a "$app" \
	  || ynh_die

# Check destination directory
	DESTDIR="/var/www/$app"
	[[ -d $DESTDIR ]] && ynh_die \
	"The destination directory '$DESTDIR' already exists.\
	 You should safely delete it before restoring this app."

# Check configuration files
	nginx_conf="/etc/nginx/conf.d/${domain}.d/${app}.conf"
	[[ -f $nginx_conf ]] && ynh_die \
	"The NGINX configuration already exists at '${nginx_conf}'.
	 You should safely delete it before restoring this app."
	phpfpm_conf="/etc/php5/fpm/pool.d/${app}.conf"
	[[ -f $phpfpm_conf ]] && ynh_die \
	"The PHP FPM configuration already exists at '${phpfpm_conf}'.
	 You should safely delete it before restoring this app."

# Restore the app files
	sudo cp -a ./sources "$DESTDIR"

# Create and restore the database
	ynh_mysql_create_db $dbname $dbuser $dbpass
	ynh_mysql_connect_as $dbuser $dbpass $dbname < ./dump.sql

# Fix installation directories and permissions
	sudo mkdir -p "${DESTDIR}/logs" "${DESTDIR}/temp"
	sudo chown -R www-data: "$DESTDIR"

# Restore configuration files
	sudo cp -a ./nginx.conf   "$nginx_conf"
	sudo cp -a ./php-fpm.conf "$phpfpm_conf"

# Reload services
	sudo service php5-fpm reload
	sudo service nginx reload