FROM python:3.11-slim

# Install system dependencies for Chrome, Selenium, and Xvfb (virtual display)
RUN apt-get update && apt-get install -y \
    # Basic utilities
    wget \
    gnupg \
    unzip \
    curl \
    # Xvfb for virtual display (allows non-headless Chrome in container)
    xvfb \
    # Chrome dependencies
    fonts-liberation \
    libasound2 \
    libatk-bridge2.0-0 \
    libatk1.0-0 \
    libatspi2.0-0 \
    libcups2 \
    libdbus-1-3 \
    libdrm2 \
    libgbm1 \
    libgtk-3-0 \
    libnspr4 \
    libnss3 \
    libwayland-client0 \
    libxcomposite1 \
    libxdamage1 \
    libxfixes3 \
    libxkbcommon0 \
    libxrandr2 \
    xdg-utils \
    # Additional dependencies
    libu2f-udev \
    libvulkan1 \
    && rm -rf /var/lib/apt/lists/*

# Install Chromium (works on all architectures)
RUN apt-get update \
    && apt-get install -y chromium chromium-driver \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Copy requirements and install Python dependencies
COPY requirements-production.txt .
RUN pip install --no-cache-dir -r requirements-production.txt

# Copy application code
COPY modules/ ./modules/
COPY api_server_production.py .
COPY config.yaml .

# Create startup script for Xvfb + API server
RUN echo '#!/bin/bash\n\
# Start Xvfb (virtual display) in background\n\
Xvfb :99 -screen 0 1920x1080x24 -ac +extension GLX +render -noreset &\n\
export DISPLAY=:99\n\
\n\
# Wait for Xvfb to start\n\
sleep 2\n\
\n\
# Start API server\n\
exec python api_server_production.py\n\
' > /app/start.sh && chmod +x /app/start.sh

# Create non-root user and give SeleniumBase write permissions
RUN useradd -m -u 1000 scraper && \
    chown -R scraper:scraper /app && \
    chown -R scraper:scraper /usr/local/lib/python3.11/site-packages/seleniumbase

USER scraper

# Expose port
EXPOSE 8000

# Environment variables for Chromium in container
ENV DISPLAY=:99
ENV CHROME_BIN=/usr/bin/chromium
ENV CHROME_PATH=/usr/bin/chromium

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD curl -f http://localhost:8000/health/live || exit 1

# Run startup script (starts Xvfb + API server)
CMD ["/app/start.sh"]