# Dockerfile for Hugging Face Space with Diffusers-based image generation
FROM python:3.10-slim

# Environment variables
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1 \
    DEBIAN_FRONTEND=noninteractive \
    PYTHONIOENCODING=utf-8 \
    # Set Hugging Face cache directory
    HF_HOME=/app/.cache \
    HF_HUB_CACHE=/app/.cache \
    TRANSFORMERS_CACHE=/app/.cache \
    # Set Git identity via environment variables to avoid permission issues
    GIT_AUTHOR_NAME="Defter77" \
    GIT_AUTHOR_EMAIL="Defter77@users.noreply.huggingface.co" \
    GIT_COMMITTER_NAME="Defter77" \
    GIT_COMMITTER_EMAIL="Defter77@users.noreply.huggingface.co"

# System dependencies without git (we'll install our own wrapper)
RUN apt-get update && apt-get install -y \
    wget \
    curl \
    libglib2.0-0 \
    libsm6 \
    libxrender1 \
    libxext6 \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

# Create a git wrapper script that ignores git config commands
RUN echo '#!/bin/sh' > /usr/local/bin/git && \
    echo 'if [ "$1" = "config" ] && [ "$2" = "--global" ]; then' >> /usr/local/bin/git && \
    echo '  echo "Git config bypassed"' >> /usr/local/bin/git && \
    echo 'else' >> /usr/local/bin/git && \
    echo '  /usr/bin/git "$@"' >> /usr/local/bin/git && \
    echo 'fi' >> /usr/local/bin/git && \
    chmod +x /usr/local/bin/git

# Actually install real git (our wrapper will intercept config commands)
RUN apt-get update && apt-get install -y git && rm -rf /var/lib/apt/lists/*

# Create app directory
WORKDIR /app

# Create cache and data directories with proper permissions
RUN mkdir -p /app/.cache /app/input /app/output && \
    chmod -R 777 /app/.cache /app/input /app/output

# Copy requirements
COPY requirements.txt ./

# Install Python dependencies
RUN pip install --upgrade pip && \
    pip install -r requirements.txt

# Add model download script
COPY download_models.py ./
RUN python download_models.py || echo "Warning: Model download may have had issues, but continuing build"

# Copy application code
COPY app.py ./
COPY inference.py ./

# Expose API port
EXPOSE 7860

# Optional health check
HEALTHCHECK --interval=30s --timeout=10s CMD curl --fail http://localhost:7860/docs || exit 1

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