# Multi-stage build: Frontend + Backend
FROM node:20-alpine AS frontend-build

WORKDIR /app/frontend
COPY frontend/package.json frontend/package-lock.json* ./
RUN npm install
COPY frontend/ .
RUN npm run build

# Backend
FROM python:3.11-slim

# System dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg \
    espeak \
    fonts-dejavu-core \
    fonts-liberation \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Install Python dependencies
COPY backend/requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt && \
    pip install --no-cache-dir edge-tts uvicorn[standard]

# Copy backend code
COPY backend/ ./backend/

# Copy frontend build
COPY --from=frontend-build /app/frontend/dist ./frontend/dist

# Copy assets
COPY assets/ ./assets/

# Create temp directory
RUN mkdir -p /tmp/viralclipfactory

# Environment
ENV TEMP_DIR=/tmp/viralclipfactory
ENV WHISPER_MODEL=tiny
ENV WHISPER_DEVICE=cpu
ENV PYTHONPATH=/app

# Expose port
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --retries=3 \
    CMD curl -f http://localhost:7860/api/health || exit 1

# Run the app
CMD ["uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "2"]