#!/bin/bash
set -e

echo "========================================="
echo "  RFCP Desktop Build (Windows)"
echo "  GPU-enabled ONEDIR build"
echo "========================================="

cd "$(dirname "$0")/.."

# 1. Build frontend
echo "[1/4] Building frontend..."
cd frontend
npm ci
npm run build
cd ..

# 2. Build backend with PyInstaller (GPU ONEDIR mode)
echo "[2/4] Building backend (GPU)..."
cd backend

# Check CuPy is available
if ! python -c "import cupy" 2>/dev/null; then
    echo "WARNING: CuPy not installed - GPU acceleration will not be available"
    echo "  Install with: pip install cupy-cuda13x"
fi

python -m pip install -r requirements.txt
python -m pip install pyinstaller

# Build using GPU spec (ONEDIR output)
python -m PyInstaller ../installer/rfcp-server-gpu.spec --clean --noconfirm

# Copy ONEDIR folder to desktop staging area
# Result: desktop/backend-dist/win/rfcp-server/rfcp-server.exe + _internal/
mkdir -p ../desktop/backend-dist/win
rm -rf ../desktop/backend-dist/win/rfcp-server  # Clean old build
cp -r dist/rfcp-server ../desktop/backend-dist/win/rfcp-server

echo "  Backend copied to: desktop/backend-dist/win/rfcp-server/"
ls -la ../desktop/backend-dist/win/rfcp-server/*.exe 2>/dev/null || true
cd ..

# 3. Build Electron app
echo "[3/4] Building Electron app..."
cd desktop
npm ci
npm run build:win
cd ..

# 4. Done
echo "[4/4] Build complete!"
echo ""
echo "Output: desktop/dist/"
ls -la desktop/dist/*.exe 2>/dev/null || echo "Build artifacts in desktop/dist/"