#!/bin/bash

# MySQL root password
ROOTPASS="password"
TIMEZONE="Europe/Moscow"

MYSQLPASS=`< /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c12`
SFTPPASS=`< /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c12`
##############

echo "Enter username for site and database:"
read USERNAME

echo "Enter password"
read PASSWORD

echo "Enter domain"
read DOMAIN

##############

echo "Creating user and home directory..."
useradd $USERNAME -m -G sftp -s "/bin/false" -d "/var/www/$USERNAME"
if [ "$?" -ne 0 ]; then
	echo "Can't add user"
	exit 1
fi
echo $SFTPPASS > ./tmp
echo $SFTPPASS >> ./tmp
cat ./tmp | passwd $USERNAME
rm ./tmp

##############

mkdir /var/www/$USERNAME/www
mkdir /var/www/$USERNAME/tmp
chmod -R 755 /var/www/$USERNAME/
chown -R $USERNAME:$USERNAME /var/www/$USERNAME/
chown root:root /var/www/$USERNAME

echo "Creating vhost file"
echo "
upstream backend-$USERNAME {server unix:/var/run/php5-fpm/$USERNAME.sock;}
server {
    listen              80;
    server_name         $DOMAIN www.$DOMAIN;
    root                /var/www/$USERNAME/www;
    access_log          /var/log/nginx/$USERNAME-access.log;
    error_log           /var/log/nginx/$USERNAME-error.log;
    index               index.php index.html;
    rewrite_log         on;
    location / {
        try_files       \$uri \$uri/ @rewrite;
    }
    location @rewrite {
        rewrite         ^/(.*)$ /index.php?q=\$1;
    }
    location ~ \.php$ {
        include         fastcgi_params;
        fastcgi_param   SCRIPT_FILENAME \$document_root\$fastcgi_script_name;
        fastcgi_pass    backend-$USERNAME;
    }
    location ~* ^.+\.(jpg|jpeg|gif|css|png|js|ico|bmp)$ {
       access_log       off;
       expires          10d;
       break;
    }
    location ~ /\.ht {
        deny            all;
    }
}
" > /etc/nginx/sites-available/$USERNAME.conf
ln -s /etc/nginx/sites-available/$USERNAME.conf /etc/nginx/sites-enabled/$USERNAME.conf

##############
echo "Creating php5-fpm config"

echo "[$USERNAME]

listen = /var/run/php5-fpm/$USERNAME.sock
listen.mode = 0666
user = $USERNAME
group = $USERNAME
chdir = /var/www/$USERNAME
php_admin_value[upload_tmp_dir] = /var/www/$USERNAME/tmp
php_admin_value[date.timezone] = $TIMEZONE
pm = dynamic
pm.max_children = 10
pm.start_servers = 2
pm.min_spare_servers = 2
pm.max_spare_servers = 4
" > /etc/php5/fpm/pool.d/$USERNAME.conf

##############

echo "Creating config.xml"
echo "<modx>
    <database_type>mysql</database_type>
    <database_server>localhost</database_server>
    <database>$USERNAME</database>
    <database_user>$USERNAME</database_user>
    <database_password>$MYSQLPASS</database_password>
    <database_connection_charset>utf8</database_connection_charset>
    <database_charset>utf8</database_charset>
    <database_collation>utf8_unicode_ci</database_collation>
    <table_prefix>modx_</table_prefix>
    <https_port>443</https_port>
    <http_host>$DOMAIN</http_host>
    <cache_disabled>0</cache_disabled>

    <inplace>1</inplace>

    <unpacked>0</unpacked>

    <language>ru</language>

    <cmsadmin>$USERNAME</cmsadmin>
    <cmspassword>$PASSWORD</cmspassword>
    <cmsadminemail>admin@$DOMAIN</cmsadminemail>

    <core_path>/var/www/$USERNAME/www/core/</core_path>

    <context_mgr_path>/var/www/$USERNAME/www/manager/</context_mgr_path>
    <context_mgr_url>/manager/</context_mgr_url>
    <context_connectors_path>/var/www/$USERNAME/www/connectors/</context_connectors_path>
    <context_connectors_url>/connectors/</context_connectors_url>
    <context_web_path>/var/www/$USERNAME/www/</context_web_path>
    <context_web_url>/</context_web_url>

    <remove_setup_directory>1</remove_setup_directory>
</modx>" > /var/www/$USERNAME/config.xml

#############

echo "Reloading nginx"
service nginx reload
echo "Reloading php5-fpm"
service php5-fpm reload

##############

echo "Creating database"

Q1="CREATE DATABASE IF NOT EXISTS $USERNAME DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci;;"
Q2="GRANT ALTER,DELETE,DROP,CREATE,INDEX,INSERT,SELECT,UPDATE,CREATE TEMPORARY TABLES,LOCK TABLES ON $USERNAME.* TO '$USERNAME'@'localhost' IDENTIFIED BY '$MYSQLPASS';"
Q3="FLUSH PRIVILEGES;"
SQL="${Q1}${Q2}${Q3}"

mysql -uroot --password=$ROOTPASS -e "$SQL"

##############

echo "Installing MODx"

cd /var/www/$USERNAME/www/

echo "Getting file from modx.com..."
sudo -u $USERNAME wget -O modx.zip http://modx.com/download/latest/
echo "Unzipping file..."
sudo -u $USERNAME unzip "./modx.zip" -d ./

ZDIR=`ls -F | grep "\/" | head -1`
if [ "${ZDIR}" = "/" ]; then
        echo "Failed to find directory..."; exit
fi

if [ -d "${ZDIR}" ]; then
        cd ${ZDIR}
        echo "Moving out of temp dir..."
        sudo -u $USERNAME mv ./* ../
        cd ../
        rm -r "./${ZDIR}"

        echo "Removing zip file..."
        rm "./modx.zip"

        cd "setup"
        echo "Running setup..."
        sudo -u $USERNAME php ./index.php --installmode=new --config=/var/www/$USERNAME/config.xml

        echo "Done!"
else
        echo "Failed to find directory: ${ZDIR}"
        exit
fi

echo "#!/bin/bash

echo \"Set permissions for /var/www/$USERNAME/www...\";
echo \"CHOWN files...\";
chown -R $USERNAME:$USERNAME \"/var/www/$USERNAME/www\";
echo \"CHMOD directories...\";
find \"/var/www/$USERNAME/www\" -type d -exec chmod 0755 '{}' \;
echo \"CHMOD files...\";
find \"/var/www/$USERNAME/www\" -type f -exec chmod 0644 '{}' \;
" > /var/www/$USERNAME/chmod
chmod +x /var/www/$USERNAME/chmod

echo "Done. Please visit http://$DOMAIN/manager/ to login."
echo "Manager user: 	$USERNAME"
echo "Manger password: $PASSWORD"
echo "SFTP password: $SFTPPASS"
echo "Mysql password: $MYSQLPASS"