FROM python:3.11-slim

# Install system dependencies
RUN apt-get update && apt-get install -y \
    tesseract-ocr \
    poppler-utils \
    libgl1 \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

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

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

# Copy the rest of the application
COPY . .

# Create necessary directories with proper permissions for HF Spaces
RUN mkdir -p /app/app/storage/chroma_db \
    /app/app/uploads \
    /app/app/tmp \
    /app/app/highlighted \
    /app/app/charts \
    /app/app/tables \
    /app/app/cache \
    && chmod -R 777 /app/app/storage \
    && chmod -R 777 /app/app/uploads \
    && chmod -R 777 /app/app/tmp \
    && chmod -R 777 /app/app/highlighted \
    && chmod -R 777 /app/app/charts \
    && chmod -R 777 /app/app/tables \
    && chmod -R 777 /app/app/cache

# Expose port (HF Spaces uses 7860)
EXPOSE 7860

# Run the application
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]