FROM python:3.10-slim

# System deps
RUN apt-get update && apt-get install -y \
    ffmpeg \
    libsndfile1 \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Install Node (stable)
RUN curl -fsSL https://deb.nodesource.com/setup_18.x | bash - \
    && apt-get install -y nodejs

WORKDIR /app

# --- FRONTEND ---
COPY frontend/package*.json ./frontend/
RUN cd frontend && npm install

COPY frontend/ ./frontend/
RUN cd frontend && npm run build

# --- BACKEND ---
COPY backend/requirements.txt ./backend/
RUN pip install --no-cache-dir -r backend/requirements.txt

# Copy ALL backend + src
COPY backend/ ./backend/
COPY src/ ./src/

# Fix Python path
ENV PYTHONPATH=/app

# Copy React build into FastAPI
RUN mkdir -p backend/app/static \
    && cp -r frontend/build/* backend/app/static/

# Prepare models folder
RUN mkdir -p backend/models

EXPOSE 7860

CMD ["uvicorn", "backend.app.main:app", "--host", "0.0.0.0", "--port", "7860"]