#!/bin/bash

SYSTEMD_SERVICE_FILE="/etc/systemd/system/alyverkko-cli.service"


# Function to install binary and jar
install_to_opt() {
    sudo rm -rf /opt/alyverkko-cli/
    sudo mkdir -p /opt/alyverkko-cli/
    sudo chmod 755 /opt/alyverkko-cli/

    sudo cp target/alyverkko-cli.jar "/opt/alyverkko-cli/alyverkko-cli.jar"
    sudo cp "alyverkko-cli" "/opt/alyverkko-cli/alyverkko-cli"
    sudo chmod +x "/opt/alyverkko-cli/alyverkko-cli"
    sudo cp logo.png "/opt/alyverkko-cli/logo.png"

    sudo ln -sf "/opt/alyverkko-cli/alyverkko-cli" /usr/bin/alyverkko-cli
}

# Function to install the desktop launcher
install_desktop_entry() {
    sudo cp launchers/alyverkko-cli*.desktop /usr/share/applications/
    sudo chmod 644 /usr/share/applications/alyverkko-cli*.desktop
}

# Function to install systemd service
install_systemd_service() {

    cat <<EOF | sudo tee "$SYSTEMD_SERVICE_FILE" > /dev/null
[Unit]
Description=Älyverkko CLI daemon in mail mode
After=network.target

[Service]
User=$USER
ExecStart=/opt/alyverkko-cli/alyverkko-cli mail
WorkingDirectory=/opt/alyverkko-cli
Nice=10
Restart=always
RestartSec=10

[Install]
WantedBy=multi-user.target
EOF

    sudo systemctl daemon-reload
    sudo systemctl enable alyverkko-cli
    sudo systemctl start alyverkko-cli
    sleep 1
    echo "Systemd service installed, enabled and started. Service status is:"
    systemctl --no-pager -l status alyverkko-cli
}


# Function to pre-deploy example configuration YAML file
install_config_file() {
    local alyverkko_config_dir="${HOME}/.config/alyverkko-cli"

    if [ ! -d "$alyverkko_config_dir" ]; then
        mkdir -p "$alyverkko_config_dir"
        cp alyverkko-cli.yaml "$alyverkko_config_dir/"
    else
        echo "Configuration directory already exists: $alyverkko_config_dir"
    fi
}

# Main installation function
main() {
    # Build the application
    mvn --settings maven.xml clean package

    install_to_opt
    install_desktop_entry
    install_config_file

    # Check if systemd service already exists
    if [ -f "$SYSTEMD_SERVICE_FILE" ]; then
        echo "Systemd service is already installed."
        # Display the status without hanging
        echo "Service status is:"
        systemctl --no-pager -l status alyverkko-cli
    else
        # Install systemd service if requested
        echo "Do you want to install Älyverkko CLI as a systemd service? (y/N)"
        read install_service

        if [[ $install_service == [Yy] ]]; then
          install_systemd_service
        fi
    fi

    echo "Installation complete."
}

# Call the main installation function
main