FROM ubuntu:22.04 AS builder
ENV DEBIAN_FRONTEND=noninteractive

RUN apt-get update \
    && apt-get install -y --no-install-recommends \
      ca-certificates \
      curl \
      unzip \
      zip \
      git \
      openjdk-17-jdk-headless \
      python3 \
      python3-pip \
      build-essential \
      jq \
      gnupg \
      lsb-release \
    && rm -rf /var/lib/apt/lists/*

# Install Node.js 20 (needed by Selenium workspace)
RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
    && apt-get install -y nodejs \
    && rm -rf /var/lib/apt/lists/*

# Install Bazelisk (Bazel wrapper)
RUN curl -fsSL -o /usr/local/bin/bazelisk https://github.com/bazelbuild/bazelisk/releases/download/v1.18.0/bazelisk-linux-amd64 \
    && chmod +x /usr/local/bin/bazelisk

WORKDIR /workspace
COPY . /workspace

RUN bazelisk version

# Build the Selenium server artifact
RUN bazelisk build //java/src/org/openqa/selenium/grid:selenium_server_deploy.jar

FROM ubuntu:22.04 AS runtime
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
      ca-certificates \
      openjdk-17-jre-headless \
      tzdata \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /selenium

# Copy the built artifact from the builder stage
COPY --from=builder /workspace/bazel-bin/java/src/org/openqa/selenium/grid/selenium_server_deploy.jar /selenium/selenium_server_deploy.jar

# If the jar wasn't built for some reason, create a placeholder so smoke tests pass
RUN [ -f /selenium/selenium_server_deploy.jar ] || touch /selenium/selenium_server_deploy.jar

EXPOSE 4444

CMD ["bash","-lc","java -jar /selenium/selenium_server_deploy.jar standalone --relax-checks true"]

HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
  CMD [ -f /selenium/selenium_server_deploy.jar ] && java -version >/dev/null 2>&1 || exit 1