# Build (Backend)
FROM node:22-slim AS backend-build

WORKDIR /usr/src/app
COPY ./backend ./

# Check architecture and install Python 3 for ARM
RUN apt-get update && \
    ARCH=$(uname -m) && \
    echo "Detected architecture: $ARCH" && \
    if [ "$ARCH" = "armv7l" ] || [ "$ARCH" = "armhf" ] || [ "$ARCH" = "arm" ]; then \
      echo "Installing Python 3 for ARM architecture" && \
      apt-get install -y python3 python3-pip; \
    else \
      echo "Skipping Python 3 installation for architecture: $ARCH"; \
    fi

RUN npm install --omit-optional
RUN npm run build

# Build (Frontend)
FROM node:22-slim AS frontend-build
WORKDIR /usr/src/app
# Copy root package.json for version access
COPY ./package.json ../package.json
COPY ./frontend ./
RUN npm install
ENV NODE_ENV=production
RUN npm run build

# Deploy (Backend)
FROM node:22-slim AS backend-deploy

WORKDIR /app
ENV NODE_ENV=production
EXPOSE 2022

# Install runtime dependencies and Python 3 for ARM
RUN apt-get update && \
    apt-get install -y iputils-ping lm-sensors ca-certificates && \
    ARCH=$(uname -m) && \
    echo "Detected architecture: $ARCH" && \
    if [ "$ARCH" = "armv7l" ] || [ "$ARCH" = "armhf" ] || [ "$ARCH" = "arm" ]; then \
      echo "Installing Python 3 for ARM architecture" && \
      apt-get install -y python3 python3-pip; \
    fi

COPY --from=backend-build /usr/src/app/dist/config ../config
COPY --from=backend-build /usr/src/app/dist/index.js ./
COPY --from=backend-build /usr/src/app/dist/package.json ./
COPY --from=frontend-build /usr/src/app/dist ./public
RUN npm i --omit-dev --omit-optional
CMD [ "node", "index.js" ]