# ─────────────────────────────────────────────────────────────────
# Meridian — Hugging Face Spaces Dockerfile
# Deploy: Create a new HF Space (Docker SDK), push this repo.
# Models are downloaded at first boot from your HF model repo.
# ─────────────────────────────────────────────────────────────────
FROM python:3.11-slim

# HF Spaces requires port 7860
ENV PORT=7860
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1

# ── Runtime secrets (set via HF Spaces Secrets UI — never hardcode) ──
# These are declared here so Docker knows they exist; actual values
# come from the Spaces "Secrets" tab at deploy time.
ENV OPENAI_API_KEY=""
ENV THERAPY_MODEL="gpt-4o-mini"
ENV SUPABASE_URL=""
ENV SUPABASE_ANON_KEY=""
ENV SUPABASE_SERVICE_KEY=""
ENV ALLOWED_ORIGINS="https://meridian-frontend-green.vercel.app"
ENV APP_ENV="production"

WORKDIR /app

# ── System deps ───────────────────────────────────────────────────
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential curl && \
    rm -rf /var/lib/apt/lists/*

# ── Python deps ───────────────────────────────────────────────────
COPY requirements.txt .
# Add huggingface_hub for model download at startup
RUN pip install --no-cache-dir -r requirements.txt huggingface_hub && \
    python -m spacy download en_core_web_sm

# ── Copy application code ────────────────────────────────────────
COPY backend/ backend/

COPY scripts/ scripts/

# ── Create models directory (models downloaded at runtime) ────────
RUN mkdir -p backend/models/mentalroberta_onnx

# ── Model download script ────────────────────────────────────────
COPY scripts/download_models.py scripts/download_models.py

# ── Startup script ────────────────────────────────────────────────
# Downloads models if not cached, then starts uvicorn
COPY start.sh .
RUN chmod +x start.sh

EXPOSE 7860

CMD ["./start.sh"]