#!/bin/bash

set -e

echo "========================================="
echo "Building Angular for Air-Gapped Deployment"
echo "========================================="
echo ""

# Check if we're in the right directory
if [ ! -f "docker-compose.yml" ]; then
    echo "Error: Must run from project root directory"
    exit 1
fi

# Check if node is installed
if ! command -v node &> /dev/null; then
    echo "Error: Node.js is not installed. Please install Node.js 24+ first."
    exit 1
fi

# Check if npm is installed
if ! command -v npm &> /dev/null; then
    echo "Error: npm is not installed. Please install npm first."
    exit 1
fi

echo "Step 1/3: Installing dependencies..."
cd frontend
npm install

echo ""
echo "Step 2/3: Building Angular production bundle..."
npm run build:prod

echo ""
echo "Step 3/3: Copying to static directory..."
if [ -d "dist/frontend/browser" ]; then
    echo "✓ Build successful!"
    echo "✓ Output: frontend/dist/frontend/browser"

    # Copy to static directory for local FastAPI serving
    cd ..
    rm -rf static/*
    cp -r frontend/dist/frontend/browser/* static/
    echo "✓ Copied to static/ directory"

    ls -lh static/ | head -10
else
    echo "✗ Build failed - output directory not found"
    exit 1
fi

echo ""
echo "========================================="
echo "Build Complete!"
echo "========================================="
echo ""
echo "The Angular app has been built and copied to static/"
echo "You can now:"
echo ""
echo "1. Run locally with FastAPI:"
echo "   uvicorn app.main:app --reload"
echo "   Access at: http://localhost:8000"
echo ""
echo "2. Deploy with Docker:"
echo "   docker-compose up -d --build"
echo "   (Docker will rebuild Angular during build)"
echo ""
echo "========================================="