#!/bin/bash

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

app="movim"
db_name=$app
db_user=$app

# Source local helpers
source ./_common.sh

# Source YunoHost helpers if exists.
# If not, source backported helpers from file.
if [ -a "/usr/share/yunohost/helpers" ]; then
  source /usr/share/yunohost/helpers
else
  source ./_helpers.sh
fi

# Retrieve old app settings
domain=$(ynh_app_setting_get "$app" domain)
path=$(ynh_app_setting_get "$app" path)
db_pwd=$(ynh_app_setting_get "$app" mysqlpwd)

# Check domain/path availability
sudo yunohost app checkurl "${domain}${path}" -a "$app" \
  || exit 1

# 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 source code
sudo cp -a ./sources "$DESTDIR"

# Create movim system user and set permissions
sudo useradd -d /var/www/movim -s /bin/sh movim
sudo chown -R movim:www-data "$DESTDIR"
sudo find "${DESTDIR}/" -type f -print0 | sudo xargs -0 chmod 0644
sudo find "${DESTDIR}/" -type d -print0 | sudo xargs -0 chmod 0755
sudo chmod 400 "${DESTDIR}/config/db.inc.php"

# Create and restore the database
ynh_mysql_create_db "$db_name" "$db_user" "$db_pwd"
ynh_mysql_connect_as "$db_user" "$db_pwd" "$db_name" < ./dump.sql

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

# Restore service file
if [ -f ./movim.service ]; then
    sudo cp ./movim.service /etc/systemd/system/
    sudo systemctl --quiet daemon-reload
    sudo systemctl --quiet enable movim.service
    sudo systemctl --quiet start movim.service
else
    sudo cp ./movim.init /etc/init.d/movim
    sudo chmod 755 /etc/init.d/movim
    sudo update-rc.d movim defaults
    sudo /etc/init.d/movim start
fi

# Reload services
sudo service php5-fpm restart || true
sudo service nginx reload || true