#!/bin/bash

if [ -f "include/startup.sh" ]; then
    . include/startup.sh
elif [ -f "../include/startup.sh" ]; then
    . ../include/startup.sh
fi

checkTagExist php.success
checkTagExist nginx.success
checkTagExist mysqld.success
checkTagExist nginx-enable-php-ssl.success

appPath=/var/www/html
versionFilename=10.2.1
rootDir=$(rootDir)
drupaluser_password="$(head /dev/urandom | tr -dc A-Za-z0-9 | head -c 16 ; echo '')"


echo "Creating Drupal Database" | log
mysql --defaults-file=/root/.my.cnf -h localhost <<EOF
CREATE DATABASE drupal CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
CREATE USER 'drupaluser'@'localhost' identified with mysql_native_password by '${ADMINPASSWORD}';
GRANT all privileges on drupal.* to drupaluser@localhost;
FLUSH PRIVILEGES;
EOF

echo "Installing Composer for machine" | log
installPackage composer | log
waitOrStop 0 "Failed apt install: composer"

echo "Downloading latest Drupal" | log
mkdir -p $appPath
cd $rootDir/temp
curlDownload https://ftp.drupal.org/files/projects/drupal-$versionFilename.tar.gz
waitOrStop 0 "File not downloaded from official source"

echo "Extracting Drupal to $appPath" | log
tar -xzvf drupal-$versionFilename.tar.gz -C $appPath/ --strip 1
waitOrStop 0 "Failed to extract application archive"
rm -f drupal-$versionFilename.tar.gz

echo "Setting misc definitions & permissions for Drupal" | log
cd $appPath/sites/default
cp default.settings.php settings.php
cp default.services.yml services.yml
mkdir files/
chmod a+w *
chown -R www-data:www-data files

echo "Create temp swap for composer processes" | log
#increase vm swappiness to allow swap to dominate process
sudo fallocate -l 2G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile
sleep 5

echo "Installing Drush" | log
cd $appPath
export COMPOSER_HOME=/root
composer require drush/drush:10.4.0 -v | log
waitOrStop 0 "Failed to install Drush"

echo "Creating Website" | log
cd $appPath
# site install
export HOME=$appPath
echo "yes" | vendor/bin/drush site-install --db-url=mysql://drupaluser:${ADMINPASSWORD}@localhost/drupal | log
sleep 5
# update admin password
vendor/bin/drush user:password admin "$ADMINPASSWORD" | log
# permissions and cleanup
rm index.nginx-debian.html
chown -R www-data:www-data .
cat << EOF >> ${appPath}/sites/default/settings.php
\$settings['trusted_host_patterns'] = ['^${CWM_DISPLAYED_ADDRESS}$'];
EOF

echo "Setting nginx config" | log
#main drupal config
cp $rootDir/tweaks/extras/drupal-nginx/drupal.conf /etc/nginx/sites-available/
# specific configs supplied by nginx for drupal
mkdir -p /etc/nginx/config
cp $rootDir/tweaks/extras/drupal-nginx/drupal-locations.conf /etc/nginx/config/
# Symlink drupal vhost
ln -s /etc/nginx/sites-available/drupal.conf /etc/nginx/sites-enabled/
# Remove default vhosts
unlink /etc/nginx/sites-enabled/default
unlink /etc/nginx/sites-enabled/default-ssl
systemctl restart nginx.service
waitOrStop 0 "Restart nginx service failed"

echo "Remove temp swap" | log
# set vm swappiness to recommended optimal case
sysctl vm.swappiness=10
# mount off and remove swap file 
removeSwapFile $swapFilename
waitOrStop 0 "Failed to remove swap file"
sleep 5

echo "Adding descriptions" | log
descriptionAppend "Drupal Web UI: https://${CWM_DISPLAYED_ADDRESS}/user/login"
descriptionAppend "Drupal Username: admin"
descriptionAppend "Drupal Password: ${ADMINPASSWORD}"
descriptionAppend " "

tagScript success

exit 0