FROM python:3.10-slim

# Set environment variables
ENV PYTHONUNBUFFERED=1 \
    PYTHONFAULTHANDLER=1 \
    PYTHONHASHSEED=random \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PIP_DEFAULT_TIMEOUT=300 \
    MODEL_CACHE_DIR=/data/models \
    DEBIAN_FRONTEND=noninteractive

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    curl \
    git \
    gcc \
    g++ \
    libgl1 \
    libglib2.0-0 \
    libsm6 \
    libxrender1 \
    libxext6 \
    libgl1-mesa-glx \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Install pip and setuptools
RUN pip install --upgrade pip setuptools wheel

# Install system-level dependencies for Python packages
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    python3-dev \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for better caching
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Install Playwright and its dependencies
RUN pip install playwright==1.42.0 && \
    playwright install --with-deps chromium

# Copy application code
COPY . .

# Install the package in development mode
RUN pip install -e .

# Create models directory for persistent storage
RUN mkdir -p ${MODEL_CACHE_DIR} && chmod 777 ${MODEL_CACHE_DIR}

# Set environment variables
ENV HOST=0.0.0.0 \
    PORT=8501 \
    STREAMLIT_SERVER_PORT=8501 \
    STREAMLIT_SERVER_HEADLESS=true \
    STREAMLIT_BROWSER_GATHER_USAGE_STATS=false \
    PYTHONPATH="/app/src:${PYTHONPATH}" \
    PYTHONUNBUFFERED=1

# Install the package in development mode
WORKDIR /app
COPY . .

# Install the package in development mode
RUN pip install -e .

# Install Playwright browsers
RUN playwright install --with-deps

# Expose port
EXPOSE 8501

# Set the working directory to the app root
WORKDIR /app

# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
  CMD curl --fail http://localhost:8501/_stcore/health || exit 1

# Command to run the Streamlit app
CMD ["streamlit", "run", "app.py"]