#! /bin/bash

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

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

#retrieve arguments
app=$YNH_APP_INSTANCE_NAME
domain=$(ynh_app_setting_get "$app" domain)

# definie useful vars
parent_path=/var/www
final_path=$parent_path/$app
data_path=/home/yunohost.app/$app
nginx_conf="/etc/nginx/conf.d/${domain}.d/${app}.conf"
phpfpm_conf="/etc/php5/fpm/pool.d/${app}.conf"

# check domain/path availability with app helper
sudo yunohost app checkurl $domain$path -a $app \
|| ynh_die "The path ${domain}${path} is not available for app installation."

# check directories availability
[[ -d $final_path ]] && ynh_die \
"The path '${final_path}' already exists.
 You should safely delete it before restoring this app."
[[ -d $data_path ]] && ynh_die \
"The path '${data_path}' already exists.
 You should safely delete it before restoring this app."

# check configuration files 
[[ -f $nginx_conf ]] && ynh_die \
"The NGINX configuration already exists at '${nginx_conf}'.
 You should safely delete it before restoring this app."
[[ -f $phpfpm_conf ]] && ynh_die \
"The PHP FPM configuration already exists at '${phpfpm_conf}'.
 You should safely delete it before restoring this app."

# add required packages
ynh_package_install_from_equivs ../conf/${app}-deps.control || ynh_die "Unable to install dependencies"

# restore sources & data
sudo cp -a ./www "$final_path"
sudo mkdir -p "$data_path"
sudo cp -a ./data/. "$data_path"

# restore permissions
sudo chown -R root: $final_path
sudo find $final_path -type f | xargs sudo chmod 644
sudo find $final_path -type d | xargs sudo chmod 755
sudo chown -R www-data: $final_path/private
sudo chown -R www-data: $data_path/uploads
sudo chown -R www-data: $data_path/thumbs

# restore Nginx & php-fpm
sudo cp -a ./conf/nginx.conf   "$nginx_conf"
sudo cp -a ./conf/php-fpm.conf "$phpfpm_conf"

# Restart services
sudo service php5-fpm restart || true
sudo service nginx restart || true
sudo yunohost app ssowatconf