# Stage 1: Build the Python backend (switching to Debian-based image)
FROM python:3.11-slim AS backend-builder

WORKDIR /app

# Install build tools using apt-get
RUN apt-get update && apt-get install -y --no-install-recommends gcc && rm -rf /var/lib/apt/lists/*

COPY requirements.api.txt .
RUN pip install --no-cache-dir -r requirements.api.txt

COPY chess_engine/ ./chess_engine
COPY main.py .
COPY app.py .

# Stage 2: Final image (switching to Debian-based image)
FROM python:3.11-slim

# Install Node.js, npm, Stockfish, and dos2unix using apt-get
RUN apt-get update && \
    apt-get install -y --no-install-recommends curl dos2unix && \
    curl -fsSL https://deb.nodesource.com/setup_18.x | bash - && \
    apt-get install -y --no-install-recommends nodejs stockfish && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Copy the installed Python dependencies
COPY --from=backend-builder /usr/local/lib/python3.11/site-packages/ /usr/local/lib/python3.11/site-packages/
COPY --from=backend-builder /app/chess_engine ./chess_engine
COPY --from=backend-builder /app/main.py .
COPY --from=backend-builder /app/app.py .

# Copy frontend files
COPY web/ ./web/

# Build the frontend
WORKDIR /app/web
RUN npm install
# Add environment variable to skip TypeScript errors during build
ENV TSC_COMPILE_ON_ERROR=true
RUN npm run build

# Copy the built frontend files to the location expected by the backend
WORKDIR /app
RUN mkdir -p ./dist
RUN cp -r /app/web/dist/* ./dist/

# Copy the entrypoint script and ensure it's executable
COPY docker-entrypoint.sh .
RUN dos2unix docker-entrypoint.sh && \
    chmod +x docker-entrypoint.sh

# Expose the ports
EXPOSE 8000
EXPOSE 5173

ENTRYPOINT ["./docker-entrypoint.sh"]