#!/bin/bash

# Exit on error
set -e

ECHO "📦 Starting Release Package Process..."

# 1. Clean previous build
rm -rf ocr_build
mkdir -p ocr_build

# 2. Build Frontend Locally
echo "🏗️  Building Angular Frontend (Base Href: /ocrf/)..."
cd frontend
npm install --legacy-peer-deps
npm run build -- --configuration production --base-href /ocrf/
cd ..

# 3. Prepare Frontend Artifacts
echo "📂 Preparing Frontend Packaging..."
mkdir -p ocr_build/frontend
# Copy the compiled 'browser' folder to ocr_build/frontend/dist
cp -r frontend/dist/frontend/browser ocr_build/frontend/dist
# Copy the internal nginx config
cp frontend/nginx.conf ocr_build/frontend/

# Create a lightweight Production Dockerfile for Frontend
# This replaces the multi-stage build with a single stage serving pre-built files
cat <<EOF > ocr_build/frontend/Dockerfile
FROM nginx:alpine

# Remove default nginx static assets
RUN rm -rf /usr/share/nginx/html/*

# Create target directory
RUN mkdir -p /usr/share/nginx/html/ocrf

# Copy Pre-built assets (from local dist)
COPY dist /usr/share/nginx/html/ocrf

# Copy custom nginx config
COPY nginx.conf /etc/nginx/conf.d/default.conf

# Expose port 80
EXPOSE 80

CMD ["nginx", "-g", "daemon off;"]
EOF

# 4. Prepare Backend Artifacts
echo "🐍 Preparing Backend Packaging..."
mkdir -p ocr_build/backend
# Copy Backend Source (Excluding venv and pycache)
rsync -av --progress backend/ ocr_build/backend/ --exclude venv --exclude __pycache__ --exclude .pytest_cache --exclude uploads

# 5. Copy Root Configurations
echo "⚙️  Copying Configuration files..."
cp docker-compose.yaml ocr_build/
cp .env.prod ocr_build/.env
cp deployment/nginx.conf ocr_build/nginx_host.conf
cp DEPLOYMENT.md ocr_build/

echo "✅ Release Package Created: ./ocr_build"
echo "   Transfer the 'ocr_build' folder to your Linux server and run:"
echo "   cd ocr_build && docker-compose --env-file .env.prod up -d --build"