# Base image - using bullseye for better compatibility
FROM python:3.9-bullseye

# Install ALL system dependencies for OpenCV
RUN apt-get update && apt-get install -y \
    libglib2.0-0 \
    libsm6 \
    libxext6 \
    libxrender1 \
    libgomp1 \
    libgl1-mesa-glx \
    libgl1-mesa-dri \
    libglu1-mesa \
    libgtk-3-0 \
    libavcodec58 \
    libavformat58 \
    libswscale5 \
    libv4l-0 \
    libxvidcore4 \
    libx264-160 \
    libjpeg62-turbo \
    libpng16-16 \
    libtiff5 \
    libatlas-base-dev \
    gfortran \
    mesa-utils \
    xvfb \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Create writable directories for Hugging Face cache
RUN mkdir -p /app/.cache /app/.config && \
    chmod 777 /app/.cache /app/.config

# Set environment variables for Hugging Face
ENV HF_HOME=/app/.cache
ENV TRANSFORMERS_CACHE=/app/.cache
ENV YOLO_CONFIG_DIR=/app/.config

# Copy requirements and install Python packages
COPY requirements.txt .

# Force remove any existing OpenCV packages and install only headless
RUN pip install --no-cache-dir --upgrade pip && \
    pip uninstall -y opencv-python opencv-contrib-python opencv-python-headless || true && \
    pip install --no-cache-dir opencv-python-headless==4.8.1.78

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

# Copy project files
COPY . .

# Expose Hugging Face Space port
EXPOSE 7860

# Start FastAPI server
CMD ["uvicorn", "inference_server:app", "--host", "0.0.0.0", "--port", "7860"]