FROM python:3.12-slim

WORKDIR /app

# Install system dependencies including SSL tools, CUDA dependencies, and Tesseract OCR
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    python3-dev \
    ca-certificates \
    curl \
    wget \
    unzip \
    gnupg2 \
    && rm -rf /var/lib/apt/lists/*

# Update certificates and install SSL tools
RUN update-ca-certificates
RUN pip install --upgrade certifi pip-system-certs

# Copy requirements
COPY pyproject.toml .
COPY uv.lock .

# Install PyTorch based on architecture
RUN if [ "$(uname -m)" = "x86_64" ]; then \
        pip install --no-cache-dir torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cu121; \
    else \
        pip install --no-cache-dir torch torchvision torchaudio; \
    fi

# Install python dependencies
RUN pip install --no-cache-dir uv && \
    uv pip install --system --no-cache-dir -e .

# Set SSL environment variables dynamically
RUN CERTIFI_PATH=$(python -c "import certifi; print(certifi.where())") && \
    echo "Setting SSL_CERT_FILE to $CERTIFI_PATH" && \
    echo "export SSL_CERT_FILE=$CERTIFI_PATH" >> /root/.bashrc && \
    echo "export REQUESTS_CA_BUNDLE=$CERTIFI_PATH" >> /root/.bashrc
ENV SSL_CERT_FILE=/usr/local/lib/python3.12/site-packages/certifi/cacert.pem
ENV REQUESTS_CA_BUNDLE=/usr/local/lib/python3.12/site-packages/certifi/cacert.pem

# Pre-download EasyOCR models to avoid runtime SSL issues
RUN mkdir -p /root/.EasyOCR/model
RUN wget --no-check-certificate https://github.com/JaidedAI/EasyOCR/releases/download/v1.3/english_g2.zip -O /root/.EasyOCR/model/english_g2.zip || true
RUN wget --no-check-certificate https://github.com/JaidedAI/EasyOCR/releases/download/pre-v1.1.6/craft_mlt_25k.zip -O /root/.EasyOCR/model/craft_mlt_25k.zip || true
RUN cd /root/.EasyOCR/model && (unzip -o english_g2.zip || true) && (unzip -o craft_mlt_25k.zip || true)

# Pre-download Docling models
RUN python -c "try:\n    from docling.document_converter import DocumentConverter\n    conv = DocumentConverter()\nexcept:\n    pass" || true

# Install Playwright browsers for web scraping if needed
RUN pip install playwright && \
    playwright install --with-deps chromium

# Copy source code
COPY . .

# Prevent uvloop compatibility issues
ENV PYTHONPATH=/app
ENV UVICORN_LOOP=asyncio

# Run
EXPOSE 8000
CMD ["python", "main.py", "--reload"]