#!/bin/bash
# This restore script is adapted to Yunohost >=2.4
APP=${!#}

# The parameter $1 is the backup directory location dedicated to the app
backup_dir=$1


# Get old parameter of the app
domain=$(sudo yunohost app setting $APP domain)
path=$(sudo yunohost app setting $APP path)
user=$(sudo yunohost app setting $APP admin_user)

# Check domain/path availability
sudo yunohost app checkurl $domain$path -a $APP
if [[ ! $? -eq 0 ]]; then
    echo "There is already an app on this URL : $domain$path" | sudo tee /dev/stderr
    exit 1
fi

final_path=/var/www/$APP
if [ -d $final_path ]; then
    echo "There is already a directory: $final_path " | sudo tee /dev/stderr
    exit 1
fi
data_path=/home/yunohost.app/$APP/data
if [ -d $data_path ]; then
    echo "There is already a directory: $data_path " | sudo tee /dev/stderr
    exit 1
fi

conf_nginx=/etc/nginx/conf.d/$domain.d/$APP.conf
if [ -f $conf_nginx ]; then
    echo "There is already a nginx conf file at this path: $conf_nginx " | sudo tee /dev/stderr
    exit 1
fi

conf_fpm=/etc/php5/fpm/pool.d/$APP.conf
if [ -f $conf_fpm ]; then
    echo "There is already a nginx conf file at this path: $conf_fpm " | sudo tee /dev/stderr
    exit 1
fi

# Install dependencies
sudo apt-get update -qq
sudo DEBIAN_FRONTEND=noninteractive apt-get -o Dpkg::Options::="--force-confold" -o Dpkg::Options::="--force-confdef" -y --force-yes -qq install acl smbclient php5-cli php-apc coreutils gnupg tar

# Create user if not exists
sudo useradd -d /var/www/$APP $APP  || echo "User $APP"

# Restore sources & data
sudo cp -a "${backup_dir}/www" $final_path
sudo mkdir -p $data_path
sudo cp -a "${backup_dir}/data/." $data_path

db_pwd=$(sudo yunohost app setting $APP mysqlpwd)
db_user=$APP
sudo yunohost app initdb $db_user -p $db_pwd
sudo su -c "mysql -u $db_user -p$db_pwd $APP < ${backup_dir}/db.sql"
# TODO Change config.php with potential new database name

# Set permissions
sudo chown -hR $APP:www-data $final_path
sudo chown -hR $APP:www-data $data_path
sudo chown $APP:www-data /home/yunohost.app/$APP
sudo chmod 755 /home/yunohost.app
sudo chmod -R u=rwX,g=rwX,o=rX $final_path
sudo chmod -R u=rwX,g=rwX,o= $data_path
sudo chmod -R 665 $final_path
sudo find $final_path -type d -print0 | xargs -0 sudo chmod 775 \
	|| echo "No file to modify"
sudo chmod -R 770 $data_path

# Set permissions to owncloud directories and /home directories + add Home external storage
for i in $(ls /home)
do
    sudo yunohost user list --json | grep -q "\"username\": \"$i\"" && (
	    sudo setfacl -m g:$APP:rwx /home/$i || echo "ACL not available"
	) || true
done

# Needed for Jessie/PHP5.6 compatibility
sudo sed -i "s/;always_populate_raw/always_populate_raw/" /etc/php5/cli/php.ini

# Restore conf files
sudo cp -a "${backup_dir}/conf/nginx.conf" $conf_nginx
sudo cp -a "${backup_dir}/conf/php-fpm.conf" $conf_fpm
sudo cp -a "${backup_dir}/conf/20-apc.ini" /etc/php5/cli/conf.d/ \
    || sudo cp -a "${backup_dir}/conf/20-apcu.ini" /etc/php5/cli/conf.d/

# Reload Services
sudo killall php5-fpm
sudo service php5-fpm start
sudo service nginx reload
sudo yunohost app setting $APP unprotected_uris -v "/"
sudo yunohost app ssowatconf

# Set ssowat config
sudo yunohost app setting $APP unprotected_uris -v "/"
sudo yunohost app ssowatconf