#!/bin/bash

# Define constants for paths and filenames
INSTALL_DIR="/opt/alyverkko-cli"
BINARY="alyverkko-cli"
DESKTOP_FILE="alyverkko-cli.desktop"
ICON_FILE="$INSTALL_DIR/logo.png"
APPLICATIONS_DIR="/usr/share/applications"
SYSTEM_SERVICE_DIR="/etc/systemd/system"
CONFIG_DIR="${HOME}/.config/"

# Ask user if they want to install systemd service
echo "Do you want to install Älyverkko CLI as a systemd service? (y/N)"
read install_service

# Build the application
mvn --settings maven.xml clean package

# Install the binary and jar
sudo mkdir -p "$INSTALL_DIR"
sudo rm -f "$INSTALL_DIR/$BINARY.jar"
sudo cp target/"$BINARY".jar "$INSTALL_DIR/$BINARY.jar"
sudo cp "$BINARY" "$INSTALL_DIR/$BINARY"

# Create a symbolic link to run the program from CLI
sudo rm -f /usr/bin/"$BINARY"
sudo ln -s "$INSTALL_DIR/$BINARY" /usr/bin/"$BINARY"

# Install the desktop launcher
cat <<EOF | sudo tee "$APPLICATIONS_DIR/$DESKTOP_FILE" > /dev/null
[Desktop Entry]
Type=Application
Terminal=true
Name=Älyverkko CLI
Comment=Runner for artificial neural network service
Icon=$ICON_FILE
Exec=/opt/alyverkko-cli/$BINARY mail
Categories=Development;
EOF

# Make sure the desktop file is executable
sudo chmod 644 "$APPLICATIONS_DIR/$DESKTOP_FILE"

# Copy the icon (assuming you have an icon named alyverkko-cli.svg)
sudo cp logo.png "$ICON_FILE"

# Pre-deploy example configuration YAML file
sudo mkdir -p "$CONFIG_DIR"

if [ -f "$CONFIG_DIR/alyverkko-cli.yaml" ]; then
    echo "Configuration file already exists. Skipping pre-deployment."
else
    sudo cp alyverkko-cli.yaml "$CONFIG_DIR"
fi

# Install systemd service if requested
if [[ $install_service == [Yy] ]]; then

cat <<EOF | sudo tee "$SYSTEM_SERVICE_DIR/alyverkko-cli.service" > /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
    echo "Systemd service installed, enabled and started. Service status is:"
    systemctl -l status alyverkko-cli
fi

echo "Installation complete."