# BtToxin Pipeline - Production Dockerfile (No Nginx)
# This version is designed to work with Traefik as the reverse proxy.
# FastAPI serves both the API and the frontend static files.

# ===========================
# Stage 1: Install dependencies using pixi
# ===========================
FROM ghcr.io/prefix-dev/pixi:latest AS builder

WORKDIR /app

# Copy project files
COPY pixi.toml .
COPY pyproject.toml .
COPY scripts/ scripts/
COPY bttoxin/ bttoxin/
COPY backend/ backend/
COPY Data/ Data/

# Install all pixi environments
RUN pixi install

# Create shell hook for webbackend environment
RUN pixi shell-hook -e webbackend > /shell-hook.sh
RUN echo 'exec "$@"' >> /shell-hook.sh

# ===========================
# Stage 2: Build frontend
# ===========================
FROM node:20 AS frontend-builder

WORKDIR /app

# Copy frontend source
COPY frontend/ .

RUN npm install -g pnpm && \
    pnpm install && \
    pnpm build

# ===========================
# Stage 3: Production (FastAPI only)
# ===========================
FROM ubuntu:24.04 AS production

WORKDIR /app

# Install runtime dependencies (only curl for healthcheck)
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Copy pixi executable from builder
COPY --from=builder /usr/local/bin/pixi /usr/local/bin/pixi
RUN chmod +x /usr/local/bin/pixi

# Copy backend environment from builder
COPY --from=builder /app/.pixi /app/.pixi
COPY --from=builder /shell-hook.sh /shell-hook.sh

# Copy backend code
COPY --from=builder /app/backend /app/backend
COPY --from=builder /app/Data /app/Data
COPY --from=builder /app/bttoxin /app/bttoxin
COPY --from=builder /app/scripts /app/scripts
COPY --from=builder /app/pixi.toml /app/pixi.toml

# Copy built frontend
COPY --from=frontend-builder /app/dist /app/frontend/dist

# Create jobs directory
RUN mkdir -p /app/jobs && chmod 777 /app/jobs

# Expose port for FastAPI (will be used by Traefik)
EXPOSE 8000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

# Entrypoint
ENTRYPOINT ["/bin/bash", "/shell-hook.sh"]

# Command: Start FastAPI backend
# FastAPI will serve both API and frontend static files
# Note: Using backend.app.main_spa for SPA static file support
CMD ["uvicorn", "backend.app.main_spa:app", "--host", "0.0.0.0", "--port", "8000"]