# Stage 1: Build the React frontend
FROM node:20-slim AS frontend-builder

WORKDIR /app

# Copy package.json and install all dependencies
# Paths are relative to the build context (project root)
COPY b2b-marketing-assistant/package.json ./
RUN npm install

# Copy the rest of the frontend application code
COPY b2b-marketing-assistant/ .

# Build the application
RUN npm run build

# ---

# Stage 2: Final application image
FROM python:3.11-slim

WORKDIR /app

# Install system dependencies (minimal)
# We use NodeSource to get a clean, modern Node.js install without bloat
RUN apt-get update && \
    apt-get install -y --no-install-recommends curl ca-certificates && \
    curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
    apt-get install -y --no-install-recommends nodejs && \
    rm -rf /var/lib/apt/lists/*

# Install Python dependencies
COPY b2b-marketing-assistant/requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy the Node.js server and its production dependencies manifest
COPY b2b-marketing-assistant/server.cjs .
COPY b2b-marketing-assistant/package.json .

# Install only production dependencies for the Node.js server
RUN npm install --omit=dev

# Copy the built React app from the builder stage
COPY --from=frontend-builder /app/dist ./dist

# Copy the main Python orchestrator script from the project root
COPY b2b_marketing_orchestrator.py .
COPY market_db_manager.py .
# Copy Gemini API Key file if it exists in root
COPY gemini_api_key.txt .

# Expose the port the Node.js server will run on
EXPOSE 3002

# The command to run the application
CMD ["node", "server.cjs"]