# Use Python 3.10 as base
FROM python:3.10-slim

# Install system dependencies
RUN apt-get update && apt-get install -y \
    ffmpeg \
    libsm6 \
    libxext6 \
    tesseract-ocr \
    tesseract-ocr-eng \
    imagemagick \
    gcc \
    g++ \
    make \
    cmake \
    python3-dev \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Fix ImageMagick policy - USE # AS DELIMITER INSTEAD OF /
RUN if [ -f /etc/ImageMagick-6/policy.xml ]; then \
        sed -i 's#<<policy domain="coder" rights="none" pattern="PDF" />#<<policy domain="coder" rights="read|write" pattern="PDF" />#g' /etc/ImageMagick-6/policy.xml; \
    fi && \
    if [ -f /etc/ImageMagick-7/policy.xml ]; then \
        sed -i 's#<<policy domain="coder" rights="none" pattern="PDF" />#<<policy domain="coder" rights="read|write" pattern="PDF" />#g' /etc/ImageMagick-7/policy.xml; \
    fi

# Set working directory
WORKDIR /app

# Copy requirements first (for Docker layer caching)
COPY requirements.txt .

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

# Copy application code
COPY . .

# Expose port 7860 (Hugging Face Spaces requirement)
EXPOSE 7860

# Run the application
CMD ["python", "app.py"]