#!/bin/bash
# D-Star Site Install Script
# For Raspberry Pi 3 running Raspberry Pi OS Lite
# Usage: sudo bash install.sh

set -e

REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
MMDVM_SOURCE_DIR="/home/pi/MMDVM-Host"
MMDVM_REPO="https://github.com/g4klx/MMDVMHost.git"
ZEROTIER_NETWORK="c5029fdad4ccf9c5"

echo "================================================"
echo " D-Star Site Installer"
echo "================================================"
echo ""

# Select site
echo "Available sites:"
echo "  1) ORNG  - Orange Portable"
echo "  2) ORNG2 - Orange TXRX"
echo ""
read -p "Select site [1-2]: " SITE_CHOICE

case $SITE_CHOICE in
    1) SITE="ORNG" ;;
    2) SITE="ORNG2" ;;
    *) echo "Invalid selection"; exit 1 ;;
esac

echo ""
echo "Installing site: $SITE"
echo ""

# Load site config
source "$REPO_DIR/sites/$SITE/site.conf"

# Install dependencies
echo "Installing dependencies..."
apt-get update -qq
apt-get install -y git build-essential nlohmann-json3-dev libssl-dev python3

# Install ZeroTier
echo "Installing ZeroTier..."
curl -s https://install.zerotier.com | bash
zerotier-cli join $ZEROTIER_NETWORK
echo "ZeroTier installed and joined network $ZEROTIER_NETWORK"
echo "NOTE: Approve this device in ZeroTier Central before continuing"
echo ""
read -p "Press ENTER once device is approved in ZeroTier Central..."

# Enable serial port
echo "Configuring serial port..."
raspi-config nonint do_serial_hw 0
raspi-config nonint do_serial_cons 1

# Add pi user to dialout
usermod -a -G dialout pi

# Clone MMDVMHost if not present
if [ ! -d "$MMDVM_SOURCE_DIR" ]; then
    echo "Cloning MMDVMHost..."
    git clone "$MMDVM_REPO" "$MMDVM_SOURCE_DIR"
fi

# Copy patched source files
echo "Applying patches..."
cp "$REPO_DIR/src/DStarNetwork.cpp" "$MMDVM_SOURCE_DIR/"
cp "$REPO_DIR/src/DStarNetwork.h" "$MMDVM_SOURCE_DIR/"
cp "$REPO_DIR/src/Conf.h" "$MMDVM_SOURCE_DIR/"

cd "$MMDVM_SOURCE_DIR"
python3 "$REPO_DIR/src/patch_conf_cpp.py"
python3 "$REPO_DIR/src/patch_mmdvm_host_cpp.py"

# Compile
echo "Compiling MMDVMHost..."
make -j$(nproc)

# Install binary
echo "Installing binary..."
cp MMDVM-Host /usr/local/bin/MMDVM-Host
chmod 755 /usr/local/bin/MMDVM-Host

# Generate config from template
echo "Generating config for $SITE..."
sed \
    -e "s/%%CALLSIGN%%/$CALLSIGN/g" \
    -e "s/%%MODULE%%/$MODULE/g" \
    -e "s/%%SITE_NAME%%/$SITE_NAME/g" \
    -e "s/%%GATEWAY_ADDRESS%%/$GATEWAY_ADDRESS/g" \
    -e "s/%%GATEWAY_PORT%%/$GATEWAY_PORT/g" \
    -e "s/%%LOCAL_PORT%%/$LOCAL_PORT/g" \
    -e "s/%%MODEM_PORT%%/$MODEM_PORT/g" \
    -e "s/%%MODEM_SPEED%%/$MODEM_SPEED/g" \
    "$REPO_DIR/sites/mmdvmhost.template" > /etc/mmdvmhost

echo "Config written to /etc/mmdvmhost"

# Install service
echo "Installing systemd service..."
cp "$REPO_DIR/services/mmdvmhost.service" /etc/systemd/system/
systemctl daemon-reload
systemctl enable mmdvmhost
systemctl start mmdvmhost

echo ""
echo "================================================"
echo " Installation complete for site: $SITE"
echo "================================================"
echo ""
echo "ZeroTier status:"
zerotier-cli status
echo ""
echo "Service status:"
systemctl status mmdvmhost --no-pager
echo ""
echo "Logs:"
echo "  journalctl -u mmdvmhost -f"