WinLink and Vara Comms Setup

#!/bin/bash

# --- USER CONFIGURATION ---
MYCALL="KM4ACK"
WINLINK_PASS="password"
# --------------------------

# Get actual user if running as sudo
CURRENT_USER=${SUDO_USER:-$USER}
USER_HOME=$(getent passwd $CURRENT_USER | cut -d: -f6)

if [[ $EUID -ne 0 ]]; then
   echo "This script must be run as root (sudo)."
   exit 1
fi

function pause(){
   read -p "Press [Enter] key to continue..."
}

function install_prereqs() {
    echo "--- Updating Sources and Installing Basics ---"
    apt update
    # Install standard tools + ax25 + yad for menus + git for downloading scripts
    apt install -y wget curl git yad ax25-tools ax25-apps libasound2-plugins
    echo "Prerequisites Installed."
    pause
}

function install_direwolf() {
    echo "--- Installing Direwolf via Repository (No Compiling) ---"
    # Replaces git clone/make/cmake
    apt install -y direwolf

    # Setup Config file in Home Directory
    CONF_FILE="$USER_HOME/direwolf.conf"
    if [ ! -f "$CONF_FILE" ]; then
        echo "Creating default config file..."
        # Create a basic config since we didn't compile the sample
        cat <<EOT > $CONF_FILE
ADEVICE plughw:1,0
MYCALL $MYCALL
CHANNEL 0
MODEM 1200
PTT RIG 2 localhost:4532
AGWPORT 8000
KISSPORT 8001
EOT
        chown $CURRENT_USER:$CURRENT_USER $CONF_FILE
        echo "Basic direwolf.conf created at $CONF_FILE"
        echo "PLEASE EDIT THIS FILE to match your specific Sound Card ID."
    else
        echo "direwolf.conf already exists. Skipping creation."
    fi
    pause
}

function config_ax25() {
    echo "--- Configuring AX.25 ---"
    if ! grep -q "wl2k" /etc/ax25/axports; then
        echo "wl2k $MYCALL 1200 255 7 Winlink" >> /etc/ax25/axports
        echo "Added wl2k port."
    else
        echo "Port wl2k already exists."
    fi
    pause
}

function install_ardop() {
    echo "--- Installing ARDOP Binary ---"
    # Download binary directly
    wget -O /usr/local/bin/ardopc64 http://www.cantab.net/users/john.wiseman/Downloads/Beta/ardopc64
    chmod +x /usr/local/bin/ardopc64
    echo "ARDOP Installed."
    pause
}

function install_vara() {
    echo "--- Installing VARA (Requires Wine & Manual Clicking) ---"
    # Downloads helper script to handle Wine setup
    wget -O /tmp/vara-on-debian https://raw.githubusercontent.com/km4ack/pi-scripts/master/vara-on-debian

    # Run as the user (not root) for Wine compatibility
    sudo -u $CURRENT_USER bash /tmp/vara-on-debian
    pause
}

function install_pat() {
    echo "--- Installing Pat Client (.deb) ---"
    # Download .deb file (no compile)
    wget -O /tmp/pat.deb https://github.com/la5nta/pat/releases/download/v0.13.1/pat_0.13.1_linux_amd64.deb
    dpkg -i /tmp/pat.deb

    echo "--- Configuring Pat ---"
    sudo -u $CURRENT_USER pat configure

    CONFIG_JSON="$USER_HOME/.config/pat/config.json"
    # Basic sed replacement for callsign/pass
    sed -i "s/\"mycall\": \"\"/\"mycall\": \"$MYCALL\"/" $CONFIG_JSON
    sed -i "s/\"secure_login_password\": \"\"/\"secure_login_password\": \"$WINLINK_PASS\"/" $CONFIG_JSON

    # Enable Service
    systemctl enable pat@$CURRENT_USER
    systemctl start pat@$CURRENT_USER
    pause
}

function install_patmenu() {
    echo "--- Installing Pat Menu 2 (Scripts) ---"
    TARGET_DIR="$USER_HOME/patmenu2"

    if [ -d "$TARGET_DIR" ]; then
        echo "Removing old install..."
        rm -rf $TARGET_DIR
    fi

    # Clone as user
    sudo -u $CURRENT_USER git clone https://github.com/km4ack/patmenu2.git $TARGET_DIR
    cd $TARGET_DIR
    sudo -u $CURRENT_USER git checkout x86-dev

    # Fix Shortcut Path
    sed -i "s|/home/pi|$USER_HOME|g" patmenu2.desktop

    # Install Shortcut
    cp patmenu2.desktop /usr/local/share/applications/
    echo "Pat Menu Installed."
    pause
}

# --- MAIN MENU LOOP ---
while true
do
    clear
    echo "================================="
    echo "   Ham Radio Station Setup"
    echo "   (No-Compile Version)"
    echo "================================="
    echo "1. Install Prerequisites"
    echo "2. Install Direwolf (from Repo)"
    echo "3. Configure AX.25 Ports"
    echo "4. Install ARDOP (Binary)"
    echo "5. Install VARA HF/FM (Wine)"
    echo "6. Install Pat Client (.deb)"
    echo "7. Install Pat Menu 2"
    echo "8. Run ALL Steps (1-7)"
    echo "q. Quit"
    echo "================================="
    read -p "Enter selection: " choice

    case $choice in
        1) install_prereqs ;;
        2) install_direwolf ;;
        3) config_ax25 ;;
        4) install_ardop ;;
        5) install_vara ;;
        6) install_pat ;;
        7) install_patmenu ;;
        8)
           install_prereqs
           install_direwolf
           config_ax25
           install_ardop
           install_vara
           install_pat
           install_patmenu
           ;;
        q) exit 0 ;;
        *) echo "Invalid option" ; pause ;;
    esac
done