#!/bin/bash
# This restore script is adapted to Yunohost >=2.4

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

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

# The parameter $app is the id of the app instance ex: ynhexample__2
app=$YNH_APP_INSTANCE_NAME

# Get old parameter of the app
domain=$(ynh_app_setting_get $app domain)
path=$(ynh_app_setting_get $app path)
is_public=$(ynh_app_setting_get $app is_public)

ynh_package_update
ynh_package_install carton

# Check domain/path availability
sudo yunohost app checkurl "${domain}${path}" -a "${app}" \
    || ynh_die "Path not available: ${domain}${path}"

# Check $final_path
final_path="/var/www/${app}"
if [ -d "${final_path}" ]; then
	ynh_die "There is already a directory: ${final_path}"
fi

# Check configuration files nginx
nginx_conf="/etc/nginx/conf.d/${domain}.d/${app}.conf"
if [ -f "${nginx_conf}" ]; then
	ynh_die "The NGINX configuration already exists at '${nginx_conf}'. You should safely delete it before restoring this app."
fi

# Check configuration files lufi
lufi_conf="${final_path}/${app}.conf"
if [ -f "${lufi_conf}" ]; then
	ynh_die "The LUFI CONF configuration already exists at '${lufi_conf}'. You should safely delete it before restoring this app."
fi

lufi_systemd="/etc/systemd/system/${app}.service"
if [ -f "${lufi_systemd}" ]; then
	ynh_die "The LUFI SYSTEMD configuration already exists at '${lufi_systemd}'. You should safely delete it before restoring this app."
fi

lufi_cron="/etc/cron.d/${app}"
if [ -f "${lufi_cron}" ]; then
	ynh_die "The LUFI CRONTAB configuration already exists at '${lufi_cron}'. You should safely delete it before restoring this app."
fi

lufi_logrotate="/etc/logrotate.d/${app}"
if [ -f "${lufi_logrotate}" ]; then
	ynh_die "The LUFI LOGROTATE configuration already exists at '${lufi_logrotate}'. You should safely delete it before restoring this app."
fi

lufi_log="/var/log/${app}/production.log"
if [ -f "${lufi_log}" ]; then
	ynh_die "The LUFI LOG configuration already exists at '${lufi_log}'. You should safely delete it before restoring this app."
fi

 # Restore sources & data
sudo cp -a ./sources "${final_path}"

# Set permissions
sudo chown -R www-data: "${final_path}"

# Restore nginx configuration files
sudo cp -a ./nginx.conf   "${nginx_conf}"

# Restore lufi configuration files
sudo cp -a ./lufi.conf "${lufi_conf}"

# Restore service
sudo cp -a ./systemd_lufi.service "${lufi_systemd}"

sudo cp -a ./cron_lufi "${lufi_cron}"
sudo cp -a ./logrotate_lufi "${lufi_logrotate}"

# Create log production
sudo mkdir "/var/log/${app}/"
sudo cp -a ./production.log "${lufi_log}"
# Delete symbolic link and restore
sudo rm -fr "${final_path}/log/production.log"
sudo ln -s "/var/log/${app}/production.log" "${final_path}/log/production.log"

# Reload lufi service
sudo systemctl daemon-reload
sudo systemctl start lufi.service
sudo systemctl enable lufi.service

# Set ssowat config
if [ "$is_public" = "No" ];
then
	ynh_app_setting_delete $app skipped_uris
fi

# Reload services
sudo systemctl reload nginx
sudo yunohost app ssowatconf