# Dockerfile for ManimStudio - Hugging Face Spaces
# Based on Python 3.11 slim with Manim dependencies

FROM python:3.11-slim

# Set working directory
WORKDIR /app

# Install system dependencies required by Manim
# - ffmpeg: Video processing and conversion
# - libcairo2-dev: 2D graphics rendering
# - libpango1.0-dev: Text layout and rendering
# - texlive packages: LaTeX for mathematical formulas
RUN apt-get update && apt-get install -y \
    ffmpeg \
    libcairo2-dev \
    libpango1.0-dev \
    pkg-config \
    texlive \
    texlive-latex-extra \
    texlive-fonts-extra \
    texlive-latex-recommended \
    texlive-science \
    tipa \
    libpq-dev \
    gcc \
    g++ \
    && rm -rf /var/lib/apt/lists/*

# Create non-root user (Hugging Face Spaces requirement)
RUN useradd -m -u 1000 user

# Switch to user
USER user

# Set environment variables
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    PYTHONUNBUFFERED=1 \
    PYTHONIOENCODING=utf-8

# Set working directory for user
WORKDIR $HOME/app

# Copy requirements file
COPY --chown=user:user requirements.txt .

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

# Copy application files
COPY --chown=user:user config.py .
COPY --chown=user:user models.py .
COPY --chown=user:user validators.py .
COPY --chown=user:user renderer.py .
COPY --chown=user:user converter.py .
COPY --chown=user:user cleanup.py .
COPY --chown=user:user mcp_integration.py .
COPY --chown=user:user app.py .

# Copy static resources (video player UI)
COPY --chown=user:user static/ ./static/

# Create temporary render directory
RUN mkdir -p /tmp/manim_renders

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

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import httpx; httpx.get('http://localhost:7860/health', timeout=5)"

# Run FastAPI application with uvicorn
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]