# syntax=docker/dockerfile:1

# ── Stage 1: build ────────────────────────────────────────────────────────────
FROM ros:kilted AS builder

SHELL ["/bin/bash", "-c"]

RUN apt-get update && apt-get install -y --no-install-recommends \
    python3-colcon-common-extensions \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /ws
COPY oled/src/raspbot_oled/ src/raspbot_oled/

RUN source /opt/ros/${ROS_DISTRO}/setup.bash && \
    colcon build --packages-select raspbot_oled

# ── Stage 2: runtime ──────────────────────────────────────────────────────────
FROM ros:kilted-ros-core

RUN apt-get update && apt-get install -y --no-install-recommends \
    ros-${ROS_DISTRO}-rclpy \
    ros-${ROS_DISTRO}-sensor-msgs \
    python3-venv \
    python3-smbus \
    fonts-dejavu-core \
    && rm -rf /var/lib/apt/lists/*

RUN python3 -m venv /opt/oled-venv --system-site-packages && \
    /opt/oled-venv/bin/pip install --no-cache-dir luma.oled psutil

COPY --from=builder /ws/install /ws/install

RUN echo "source /opt/ros/${ROS_DISTRO}/setup.bash" >> /etc/bash.bashrc && \
    echo "source /ws/install/setup.bash"             >> /etc/bash.bashrc

COPY docker-entrypoint.sh /docker-entrypoint.sh
RUN chmod +x /docker-entrypoint.sh

ENTRYPOINT ["/docker-entrypoint.sh"]
CMD ["/opt/oled-venv/bin/python3", "-m", "raspbot_oled.oled_node"]