#!/bin/bash

set -e

cat<<EOF

#######################################
#  INSTALL APP 
#######################################

EOF
apt-get -y update

if [ "$DOCUMENT_SERVER_INSTALLED" = "false" ]; then
	DS_PORT=${DS_PORT:-8083};

	DS_DB_HOST=localhost;
	DS_DB_NAME=$DS_COMMON_NAME;
	DS_DB_USER=$DS_COMMON_NAME;
	DS_DB_PWD=$DS_COMMON_NAME;
	
	DS_JWT_ENABLED=${DS_JWT_ENABLED:-true};
	DS_JWT_SECRET="$(cat /dev/urandom | tr -dc A-Za-z0-9 | head -c 12)";
	DS_JWT_HEADER="AuthorizationJwt";

	if ! su - postgres -s /bin/bash -c "psql -lqt" | cut -d \| -f 1 | grep -q ${DS_DB_NAME}; then
		su - postgres -s /bin/bash -c "psql -c \"CREATE DATABASE ${DS_DB_NAME};\""
		su - postgres -s /bin/bash -c "psql -c \"CREATE USER ${DS_DB_USER} WITH password '${DS_DB_PWD}';\""
		su - postgres -s /bin/bash -c "psql -c \"GRANT ALL privileges ON DATABASE ${DS_DB_NAME} TO ${DS_DB_USER};\""
	fi

	echo ${package_sysname}-documentserver $DS_COMMON_NAME/ds-port select $DS_PORT | sudo debconf-set-selections
	echo ${package_sysname}-documentserver $DS_COMMON_NAME/db-pwd select $DS_DB_PWD | sudo debconf-set-selections
	echo ${package_sysname}-documentserver $DS_COMMON_NAME/db-user $DS_DB_USER | sudo debconf-set-selections
	echo ${package_sysname}-documentserver $DS_COMMON_NAME/db-name $DS_DB_NAME | sudo debconf-set-selections
	echo ${package_sysname}-documentserver-de $DS_COMMON_NAME/jwt-enabled select ${DS_JWT_ENABLED} | sudo debconf-set-selections
	echo ${package_sysname}-documentserver-de $DS_COMMON_NAME/jwt-secret select ${DS_JWT_SECRET} | sudo debconf-set-selections
	echo ${package_sysname}-documentserver-de $DS_COMMON_NAME/jwt-header select ${DS_JWT_HEADER} | sudo debconf-set-selections
	echo ${package_sysname}-documentserver-ee $DS_COMMON_NAME/jwt-enabled select ${DS_JWT_ENABLED} | sudo debconf-set-selections
	echo ${package_sysname}-documentserver-ee $DS_COMMON_NAME/jwt-secret select ${DS_JWT_SECRET} | sudo debconf-set-selections
	echo ${package_sysname}-documentserver-ee $DS_COMMON_NAME/jwt-header select ${DS_JWT_HEADER} | sudo debconf-set-selections
	
	apt-get install -yq ${package_sysname}-documentserver
elif [ "$UPDATE" = "true" ] && [ "$DOCUMENT_SERVER_INSTALLED" = "true" ]; then
	apt-get install -y --only-upgrade ${package_sysname}-documentserver
fi

NGINX_ROOT_DIR="/etc/nginx"

NGINX_WORKER_PROCESSES=${NGINX_WORKER_PROCESSES:-$(grep processor /proc/cpuinfo | wc -l)};
NGINX_WORKER_CONNECTIONS=${NGINX_WORKER_CONNECTIONS:-$(ulimit -n)};

sed 's/^worker_processes.*/'"worker_processes ${NGINX_WORKER_PROCESSES};"'/' -i ${NGINX_ROOT_DIR}/nginx.conf
sed 's/worker_connections.*/'"worker_connections ${NGINX_WORKER_CONNECTIONS};"'/' -i ${NGINX_ROOT_DIR}/nginx.conf

if ! id "nginx" &>/dev/null; then
	systemctl stop nginx

	rm -dfr /var/log/nginx/*
	rm -dfr /var/cache/nginx/*
	useradd -s /bin/false nginx

	systemctl start nginx
else
	systemctl reload nginx
fi

APPSERVER_INSTALLED_VERSION=$(apt-cache policy ${product} | awk 'NR==2{print $2}')
APPSERVER_LATEST_VERSION=$(apt-cache policy ${product} | awk 'NR==3{print $2}')
if [ "$APPSERVER_INSTALLED_VERSION" != "$APPSERVER_LATEST_VERSION" ]; then
	APPSERVER_NEED_UPDATE="true"
fi

if [ "$APPSERVER_INSTALLED" = "false" ]; then
	apt-get install -y ${product} || true #Fix error 'Failed to fetch'
	apt-get install -y ${product}
elif [ "$APPSERVER_NEED_UPDATE" = "true" ]; then
	ENVIRONMENT="$(cat /lib/systemd/system/${product}-api.service | grep -oP 'ENVIRONMENT=\K.*')"
	USER_CONNECTIONSTRING=$(json -f /etc/onlyoffice/${product}/appsettings.$ENVIRONMENT.json ConnectionStrings.default.connectionString)
	MYSQL_SERVER_HOST=$(echo $USER_CONNECTIONSTRING | grep -oP 'Server=\K.*' | grep -o '^[^;]*')
	MYSQL_SERVER_DB_NAME=$(echo $USER_CONNECTIONSTRING | grep -oP 'Database=\K.*' | grep -o '^[^;]*')
	MYSQL_SERVER_USER=$(echo $USER_CONNECTIONSTRING | grep -oP 'User ID=\K.*' | grep -o '^[^;]*')
	MYSQL_SERVER_PORT=$(echo $USER_CONNECTIONSTRING | grep -oP 'Port=\K.*' | grep -o '^[^;]*')
	MYSQL_SERVER_PASS=$(echo $USER_CONNECTIONSTRING | grep -oP 'Password=\K.*' | grep -o '^[^;]*')
	
	apt-get install -o DPkg::options::="--force-confnew" -y --only-upgrade ${product} elasticsearch=${ELASTIC_VERSION}
fi

if [ "${APPSERVER_INSTALLED}" = "false" ] || [ "${APPSERVER_NEED_UPDATE}" = "true" ]; then
expect << EOF
	set timeout -1
	log_user 1

	if { "${UPDATE}" == "true" } {
		spawn ${product}-configuration.sh -e ${ENVIRONMENT}
	} else {
		spawn ${product}-configuration.sh
	}

	expect -re "Database host:"
	send "\025$MYSQL_SERVER_HOST\r"

	expect -re "Database name:"
	send "\025$MYSQL_SERVER_DB_NAME\r"

	expect -re "Database user:"
	send "\025$MYSQL_SERVER_USER\r"

	expect -re "Database password:"
	send "\025$MYSQL_SERVER_PASS\r"

	expect eof	
EOF
	APPSERVER_INSTALLED="true";
fi

echo ""
echo "$RES_INSTALL_SUCCESS"
echo "$RES_QUESTIONS"
echo ""