#!/bin/bash

set -e

# Detect the OS
if [ -f /etc/redhat-release ]; then
    OS="RHEL"
elif [ -f /etc/lsb-release ]; then
    OS="Ubuntu"
else
    echo "Unsupported OS"
    exit 1
fi

#MAIN
download_files() {
    # Array von URLs
    URLS=(
        "https://nexus.alfresco.com/nexus/repository/releases/org/alfresco/alfresco-content-services-community-distribution/23.2.1/alfresco-content-services-community-distribution-23.2.1.zip"
        "https://nexus.alfresco.com/nexus/repository/releases/org/alfresco/alfresco-search-services/2.0.9.1/alfresco-search-services-2.0.9.1.zip"
        "https://nexus.alfresco.com/nexus/repository/releases/org/alfresco/alfresco-transform-core-aio/5.1.0/alfresco-transform-core-aio-5.1.0.jar"
    )

    # Verzeichnis, in das die Dateien heruntergeladen werden sollen
    DEST_DIR="/tmp/downloads"

    # Erstelle das Verzeichnis, falls es nicht existiert
    mkdir -p "$DEST_DIR"

    # Herunterladen der Dateien
    for URL in "${URLS[@]}"; do
        echo "Downloading $URL..."
        # Extrahiere den Dateinamen aus der URL
        FILE_NAME=$(basename "$URL")
        # Lade die Datei herunter und speichere sie im Zielverzeichnis
        curl -L "$URL" -o "$DEST_DIR/$FILE_NAME"
        if [ $? -eq 0 ]; then
            echo "Successfully downloaded $FILE_NAME"
        else
            echo "Failed to download $FILE_NAME"
        fi
    done
}


# Functions for RHEL
install_postgresql_rhel() {
    echo "Updating package list..."
    sudo yum update -y

    echo "Installing PostgreSQL 16..."
    #sudo yum install -y https://download.postgresql.org/pub/repos/yum/16/redhat/rhel-8-x86_64/pgdg-redhat-repo-latest.noarch.rpm
    sudo dnf install -y https://download.postgresql.org/pub/repos/yum/reporpms/EL-8-x86_64/pgdg-redhat-repo-latest.noarch.rpm
    sudo dnf -qy module disable postgresql
    sudo yum install -y postgresql16-server postgresql16-contrib

    echo "Initializing PostgreSQL database..."
    sudo /usr/pgsql-16/bin/postgresql-16-setup initdb

    echo "Enable local connections"
    sudo sed -i 's/peer/trust/' /var/lib/pgsql/16/data/pg_hba.conf
    sudo sed -i 's/ident/md5/' /var/lib/pgsql/16/data/pg_hba.conf

    echo "Starting PostgreSQL service..."
    sudo systemctl start postgresql-16

    echo "Configuring Alfresco database..."
    sudo -u postgres psql -c "CREATE USER alfresco WITH PASSWORD 'alfresco';"
    sudo -u postgres psql -c "CREATE DATABASE alfresco OWNER alfresco ENCODING 'UTF8';"
    sudo -u postgres psql -c "GRANT ALL PRIVILEGES ON DATABASE alfresco TO alfresco;"

    echo "Stopping PostgreSQL service..."
    sudo systemctl stop postgresql-16

    echo "Enabling PostgreSQL to start on boot..."
    sudo systemctl enable postgresql-16

    echo "PostgreSQL installation and setup completed successfully!"
}
install_java_rhel() {
    echo "Updating package list..."
    sudo dnf update -y

    echo "Installing the latest Java JDK and development tools..."
    # Install Java JDK and development tools (java-17-openjdk and java-17-openjdk-devel)
    sudo dnf install -y java-17-openjdk java-17-openjdk-devel

    echo "Setting Java as the default version..."
    # Update alternatives to ensure the correct Java version is used
    sudo alternatives --install /usr/bin/java java /usr/lib/jvm/java-17-openjdk-*/bin/java 1
    sudo alternatives --install /usr/bin/javac javac /usr/lib/jvm/java-17-openjdk-*/bin/javac 1

    echo "Checking the installed Java version..."
    java -version

    # Automatically select the correct version
    echo "Selecting the Java alternative..."
    # Hier die Nummer der gewünschten Java-Version setzen. Ersetze "1" durch die entsprechende Nummer.
    echo "1" | sudo alternatives --config java

    echo "Selecting the javac alternative..."
    # Hier die Nummer der gewünschten javac-Version setzen. Ersetze "1" durch die entsprechende Nummer.
    echo "1" | sudo alternatives --config javac

    echo "Verifying Java installation..."
    java -version
    javac -version

    echo "Java JDK installation and setup completed successfully!"
}
install_tomcat_rhel() {
    # Tomcat installation for RHEL
    echo "Updating package list..."
    sudo yum update -y

    echo "Installing Tomcat 10..."
    sudo yum install -y tomcat tomcat-webapps tomcat-admin-webapps

    echo "Starting Tomcat service..."
    sudo systemctl start tomcat

    echo "Enabling Tomcat to start on boot..."
    sudo systemctl enable tomcat

    echo "Tomcat installation and setup completed successfully!"
}
install_activemq_rhel() {
    echo "Updating package list..."
    sudo yum update -y

    echo "Downloading ActiveMQ..."
    wget https://dlcdn.apache.org/activemq/6.1.3/apache-activemq-6.1.3-bin.tar.gz -O /tmp/apache-activemq-6.1.3-bin.tar.gz

    echo "Extracting ActiveMQ..."
    sudo mkdir /opt/activemq
    sudo tar xzvf /tmp/apache-activemq-6.1.3-bin.tar.gz -C /opt/activemq --strip-components=1

    echo "Setting permissions for ActiveMQ directories..."
    sudo useradd activemq
    sudo chown -R activemq:activemq /opt/activemq
    sudo chmod -R 755 /opt/activemq

    echo "Creating ActiveMQ systemd service file..."
    cat <<EOL | sudo tee /etc/systemd/system/activemq.service
[Unit]
Description=Apache ActiveMQ
After=network.target

[Service]
Type=forking

User=activemq
Group=activemq

Environment="JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64"
Environment="ACTIVEMQ_HOME=/opt/activemq"
Environment="ACTIVEMQ_BASE=/opt/activemq"
Environment="ACTIVEMQ_CONF=/opt/activemq/conf"
Environment="ACTIVEMQ_DATA=/opt/activemq/data"

ExecStart=/opt/activemq/bin/activemq start
ExecStop=/opt/activemq/bin/activemq stop

[Install]
WantedBy=multi-user.target
EOL

    echo "Reloading systemd daemon..."
    sudo systemctl daemon-reload

    echo "Starting ActiveMQ service..."
    sudo systemctl start activemq

    echo "Enabling ActiveMQ service to start on boot..."
    sudo systemctl enable activemq

    echo "Apache ActiveMQ installation and setup completed successfully!"
}
install_alfresco_rhel(){

echo "Create support folders and configuration in Tomcat"
mkdir -p /etc/tomcat/shared/classes && mkdir -p /etc/tomcat/shared/lib
sed -i 's|^shared.loader=$|shared.loader=${catalina.base}/shared/classes,${catalina.base}/shared/lib/*.jar|' /etc/tomcat/catalina.properties

echo "Unzip Alfresco ZIP Distribution File"
mkdir /tmp/downloads/alfresco

echo "Copy JDBC driver"
cp /tmp/downloads/alfresco/web-server/lib/postgresql-42.6.0.jar /etc/tomcat/shared/lib/

echo "Configure JAR Addons deployment"
mkdir -p /etc/modules/platform && mkdir -p /opt/modules/share && mkdir -p /opt/tomcat/conf/Catalina/localhost
cp /tmp/downloads/alfresco/web-server/conf/Catalina/localhost/* /opt/tomcat/conf/Catalina/localhost/

echo "Install Web Applications"
cp /tmp/downloads/alfresco/web-server/webapps/* /etc/tomcat/webapps/

echo "Apply configuration"
cp -r /tmp/downloads/alfresco/web-server/shared/classes/* /etc/tomcat/shared/classes/
mkdir /opt/keystore && cp -r /tmp/downloads/alfresco/keystore/* /opt/keystore/
mkdir /opt/alf_data
cat <<EOL | tee /etc/tomcat/shared/classes/alfresco-global.properties
#
# Custom content and index data location
#
dir.root=/opt/alf_data
dir.keystore=/opt/keystore/

#
# Database connection properties
#
db.username=alfresco
db.password=alfresco
db.driver=org.postgresql.Driver
db.url=jdbc:postgresql://localhost:5432/alfresco

#
# Solr Configuration
#
solr.secureComms=secret
solr.sharedSecret=secret
solr.host=localhost
solr.port=8983
index.subsystem.name=solr6

#
# Transform Configuration
#
localTransform.core-aio.url=http://localhost:8090/

#
# Events Configuration
#
messaging.broker.url=failover:(nio://localhost:61616)?timeout=3000&jms.useCompression=true

#
# URL Generation Parameters
#-------------
alfresco.context=alfresco
alfresco.host=localhost
alfresco.port=8080
alfresco.protocol=http
share.context=share
share.host=localhost
share.port=8080
share.protocol=http
EOL

echo "Apply AMPs"
mkdir /opt/amps && cp -r /tmp/downloads/alfresco/amps/* /opt/amps/
mkdir /opt/bin && cp -r /tmp/downloads/alfresco/bin/* /opt/bin/
java -jar /opt/bin/alfresco-mmt.jar install /opt/amps /etc/tomcat/webapps/alfresco.war -directory
java -jar /opt/bin/alfresco-mmt.jar list /etc/tomcat/webapps/alfresco.war

echo "Modify alfresco and share logs directory"
mkdir /etc/tomcat/webapps/alfresco && unzip /etc/tomcat/webapps/alfresco.war -d /etc/tomcat/webapps/alfresco
mkdir /etc/tomcat/webapps/share && unzip /etc/tomcat/webapps/share.war -d /etc/tomcat/webapps/share
sed -i 's|^appender\.rolling\.fileName=alfresco\.log|appender.rolling.fileName=/opt/tomcat/logs/alfresco.log|' /etc/tomcat/webapps/alfresco/WEB-INF/classes/log4j2.properties
sed -i 's|^appender\.rolling\.fileName=share\.log|appender.rolling.fileName=/opt/tomcat/logs/share.log|' /etc/tomcat/webapps/share/WEB-INF/classes/log4j2.properties


echo "Alfresco has been configured"
}

install_solr_rhel() {
    echo "Unzip SOLR ZIP Distribution File"
    mkdir /tmp/solr
    unzip /tmp/downloads/alfresco-search-services-2.0.9.1.zip -d /tmp/solr
    mv /tmp/solr/alfresco-search-services /opt/solr/alfresco-search-services
    echo "creating user ..."
    sudo useradd solr
    echo "Creating SOLR systemd service file..."
    cat <<EOL | sudo tee /etc/systemd/system/solr.service
[Unit]
Description=Apache SOLR Web Application Container
After=network.target

[Service]
Type=forking

User=solr
Group=solr

Environment="JAVA_HOME=/usr/lib/jvm/java-17-openjdk"

ExecStart=/opt/solr/alfresco-search-services/solr/bin/solr start -a "-Dcreate.alfresco.defaults=alfresco,archive -Dalfresco.secureComms=secret -Dalfresco.secureComms.secret=secret"
ExecStop=/opt/solr/alfresco-search-services/solr/bin/solr stop

[Install]
WantedBy=multi-user.target
EOL

echo "SELinux anpassungen werden durchgeführt...."
ausearch -c '(solr)' --raw | audit2allow -M my-solr
semodule -X 300 -i my-solr.pp

echo "Permission für für solr werden gesetzt...."
chmod -R 755 /opt/solr/alfresco-search-services/solr/server/../../logs
chown -R solr:solr /opt/solr/alfresco-search-services/solr/server/../../logs

    echo "Reloading systemd daemon..."
    sudo systemctl daemon-reload

    echo "Starting Solr service..."
    sudo systemctl start solr

    echo "Enabling Solr service to start on boot..."
    sudo systemctl enable solr

    echo "SOLR has been configured"
}

install_transform_rhel() {
    echo "Install Repo Dependency..."
    sudo subscription-manager repos --enable codeready-builder-for-rhel-8-$(arch)-rpms
    sudo dnf -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm

    echo "Install Transform dependencies"
    sudo dnf install -y GraphicsMagick libreoffice perl-Image-ExifTool

    curl -L -o /tmp/downloads/alfresco-pdf-renderer-1.2-linux.tgz https://nexus.alfresco.com/nexus/repository/releases/org/alfresco/alfresco-pdf-renderer/1.2/alfresco-pdf-renderer-1.2-linux.tgz
    sudo tar xf /tmp/downloads/alfresco-pdf-renderer-1.2-linux.tgz -C /usr/bin

    echo "Configure Transform server"
    mkdir /opt/transform
    cp /tmp/downloads/alfresco-transform-core-aio-5.1.0.jar /opt/transform

    echo " User wird angelegt..."
    sudo useradd transform

    echo "Creating Transform systemd service file..."
    cat <<EOL | sudo tee /etc/systemd/system/transform.service

[Unit]
Description=Transform Application Container
After=network.target

[Service]
Type=simple

User=transform
Group=transform

Environment="JAVA_HOME=/usr/lib/jvm/java-17-openjdk"
Environment="LIBREOFFICE_HOME=/usr/lib/libreoffice"

ExecStart=java -jar /opt/transform/alfresco-transform-core-aio-5.1.0.jar
ExecStop=/bin/kill -15 $MAINPID

[Install]
WantedBy=multi-user.target
EOL

    echo "Reloading systemd daemon..."
    sudo systemctl daemon-reload

    echo "Starting Transform service..."
    sudo systemctl start transform

    echo "Enabling Transform service to start on boot..."
    sudo systemctl enable transform

    echo "Transform has been configured"
}

install_nginx_rhel() {
    echo "Updating system..."
    sudo yum update -y

    echo "Installing Nginx..."
    sudo yum install -y nginx

    echo "Creating directory for Alfresco Content App..."
    sudo mkdir -p /var/www/alfresco-content-app
    sudo cp -r /tmp/downloads/alfresco-content-app/dist/content-ce/* /var/www/alfresco-content-app

    echo "Creating nginx systemd service file..."
    cat <<EOL | sudo tee /etc/systemd/system/nginx.service
[Unit]
Description=NGINX web server
After=network.target

[Service]
Type=forking

ExecStart=/usr/sbin/nginx
ExecReload=/usr/sbin/nginx -s reload
ExecStop=/usr/sbin/nginx -s stop

[Install]
WantedBy=multi-user.target
EOL

    echo "Reloading systemd daemon..."
    sudo systemctl daemon-reload

    echo "Starting Nginx service..."
    sudo systemctl start nginx

    echo "Enabling Nginx to start on boot..."
    sudo systemctl enable nginx

    echo "Nginx installation and configuration completed successfully!"
}

# Functions for Ubuntu
install_postgresql_ubuntu() {
    echo "Updating package list..."
    sudo apt update

    echo "Installing PostgreSQL 16..."
    sudo apt install -y wget ca-certificates
    wget -qO - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
    echo "deb http://apt.postgresql.org/pub/repos/apt/ $(lsb_release -cs) pgdg" | sudo tee /etc/apt/sources.list.d/pgdg.list
    sudo apt update
    sudo apt install -y postgresql-16 postgresql-client-16

    echo "Enable local connections"
    sudo sed -i 's/peer/trust/' /etc/postgresql/16/main/pg_hba.conf
    sudo sed -i 's/ident/md5/' /etc/postgresql/16/main/pg_hba.conf

    echo "Starting PostgreSQL service..."
    sudo systemctl start postgresql

    echo "Configuring Alfresco database..."
    sudo -u postgres psql -c "CREATE USER alfresco WITH PASSWORD 'alfresco';"
    sudo -u postgres psql -c "CREATE DATABASE alfresco OWNER alfresco ENCODING 'UTF8';"
    sudo -u postgres psql -c "GRANT ALL PRIVILEGES ON DATABASE alfresco TO alfresco;"

    echo "Stopping PostgreSQL service..."
    sudo systemctl stop postgresql

    echo "Enabling PostgreSQL to start on boot..."
    sudo systemctl enable postgresql

    echo "PostgreSQL installation and setup completed successfully!"
}

install_java_ubuntu() {
    echo "Updating package list..."
    sudo apt update

    echo "Installing Java JDK 17..."
    sudo apt install -y openjdk-17-jdk

    echo "Checking Java version..."
    java -version

    echo "Java JDK 17 installation and setup completed successfully!"
}

install_tomcat_ubuntu() {
    echo "Updating package list..."
    sudo apt update

    echo "Installing Tomcat 10..."
    sudo apt install -y tomcat10 tomcat10-admin tomcat10-common tomcat10-examples

    echo "Starting Tomcat service..."
    sudo systemctl start tomcat10

    echo "Enabling Tomcat to start on boot..."
    sudo systemctl enable tomcat10

    echo "Tomcat installation and setup completed successfully!"
}

install_activemq_ubuntu() {
    echo "Updating package list..."
    sudo apt update

    echo "Downloading ActiveMQ..."
    wget https://dlcdn.apache.org/activemq/5.18.5/apache-activemq-5.18.5-bin.tar.gz -O /tmp/apache-activemq-5.18.5-bin.tar.gz

    echo "Extracting ActiveMQ..."
    sudo mkdir -p /home/ubuntu/activemq
    sudo tar xzvf /tmp/apache-activemq-5.18.5-bin.tar.gz -C /home/ubuntu/activemq --strip-components=1

    echo "Setting permissions for ActiveMQ directories..."
    sudo chown -R ubuntu:ubuntu /home/ubuntu/activemq
    sudo chmod -R 755 /home/ubuntu/activemq

    echo "Creating ActiveMQ systemd service file..."
    cat <<EOL | sudo tee /etc/systemd/system/activemq.service
[Unit]
Description=Apache ActiveMQ
After=network.target

[Service]
Type=forking

User=ubuntu
Group=ubuntu

Environment="JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64"
Environment="ACTIVEMQ_HOME=/home/ubuntu/activemq"
Environment="ACTIVEMQ_BASE=/home/ubuntu/activemq"
Environment="ACTIVEMQ_CONF=/home/ubuntu/activemq/conf"
Environment="ACTIVEMQ_DATA=/home/ubuntu/activemq/data"

ExecStart=/home/ubuntu/activemq/bin/activemq start
ExecStop=/home/ubuntu/activemq/bin/activemq stop

[Install]
WantedBy=multi-user.target
EOL

    echo "Reloading systemd daemon..."
    sudo systemctl daemon-reload

    echo "Starting ActiveMQ service..."
    sudo systemctl start activemq

    echo "Enabling ActiveMQ service to start on boot..."
    sudo systemctl enable activemq

    echo "Apache ActiveMQ installation and setup completed successfully!"
}

install_solr_ubuntu() {
    echo "Unzip SOLR ZIP Distribution File"
    mkdir /tmp/solr
    unzip downloads/alfresco-search-services-2.0.9.1.zip -d /tmp/solr
    mv /tmp/solr/alfresco-search-services /home/ubuntu

    echo "Creating SOLR systemd service file..."
    cat <<EOL | sudo tee /etc/systemd/system/solr.service
[Unit]
Description=Apache SOLR Web Application Container
After=network.target

[Service]
Type=forking

User=ubuntu
Group=ubuntu

Environment="JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64"

ExecStart=/home/ubuntu/alfresco-search-services/solr/bin/solr start -a "-Dcreate.alfresco.defaults=alfresco,archive -Dalfresco.secureComms=secret -Dalfresco.secureComms.secret=secret"
ExecStop=/home/ubuntu/alfresco-search-services/solr/bin/solr stop

[Install]
WantedBy=multi-user.target
EOL

    echo "Reloading systemd daemon..."
    sudo systemctl daemon-reload

    echo "Starting Solr service..."
    sudo systemctl start solr

    echo "Enabling Solr service to start on boot..."
    sudo systemctl enable solr

    echo "SOLR has been configured"
}

install_transform_ubuntu() {
    echo "Install Transform dependencies"
    sudo apt install -y imagemagick libreoffice exiftool

    curl -L -o /tmp/alfresco-pdf-renderer-1.2-linux.tgz https://nexus.alfresco.com/nexus/repository/releases/org/alfresco/alfresco-pdf-renderer/1.2/alfresco-pdf-renderer-1.2-linux.tgz
    sudo tar xf /tmp/alfresco-pdf-renderer-1.2-linux.tgz -C /usr/bin

    echo "Configure Transform server"
    mkdir /home/ubuntu/transform
    cp downloads/alfresco-transform-core-aio-5.1.0.jar /home/ubuntu/transform

    echo "Creating Transform systemd service file..."
    cat <<EOL | sudo tee /etc/systemd/system/transform.service
[Unit]
Description=Transform Application Container
After=network.target

[Service]
Type=simple

User=ubuntu
Group=ubuntu

Environment="JAVA_HOME=/usr/lib/jvm/java-17-openjdk-amd64"
Environment="LIBREOFFICE_HOME=/usr/lib/libreoffice"

ExecStart=java -jar /home/ubuntu/transform/alfresco-transform-core-aio-5.1.0.jar
ExecStop=/bin/kill -15 $MAINPID

[Install]
WantedBy=multi-user.target
EOL

    echo "Reloading systemd daemon..."
    sudo systemctl daemon-reload

    echo "Starting Transform service..."
    sudo systemctl start transform

    echo "Enabling Transform service to start on boot..."
    sudo systemctl enable transform

    echo "Transform has been configured"
}

install_nginx_ubuntu() {
    echo "Updating system..."
    sudo apt update

    echo "Installing Nginx..."
    sudo apt install -y nginx

    echo "Creating directory for Alfresco Content App..."
    sudo mkdir -p /var/www/alfresco-content-app
    sudo cp -r /home/ubuntu/alfresco-content-app/dist/content-ce/* /var/www/alfresco-content-app

    echo "Creating nginx systemd service file..."
    cat <<EOL | sudo tee /etc/systemd/system/nginx.service
[Unit]
Description=NGINX web server
After=network.target

[Service]
Type=forking

ExecStart=/usr/sbin/nginx
ExecReload=/usr/sbin/nginx -s reload
ExecStop=/usr/sbin/nginx -s stop

[Install]
WantedBy=multi-user.target
EOL

    echo "Reloading systemd daemon..."
    sudo systemctl daemon-reload

    echo "Starting Nginx service..."
    sudo systemctl start nginx

    echo "Enabling Nginx to start on boot..."
    sudo systemctl enable nginx

    echo "Nginx installation and configuration completed successfully!"
}

# Run the appropriate installation based on the OS
if [ "$OS" == "RHEL" ]; then
    #download_files
    #install_postgresql_rhel
    #install_java_rhel
    #install_tomcat_rhel
    #install_activemq_rhel
    install_alfresco_rhel
    #install_solr_rhel
    #install_transform_rhel
    #install_nginx_rhel
elif [ "$OS" == "Ubuntu" ]; then
    download_files
    install_postgresql_ubuntu
    install_java_ubuntu
    install_tomcat_ubuntu
    install_activemq_ubuntu
    install_solr_ubuntu
    install_transform_ubuntu
    install_nginx_ubuntu
else
    echo "Unsupported OS"
fi