ARG TASK_IMAGE=ubuntu:24.04
FROM ${TASK_IMAGE}

ARG NODE_VERSION=22.20.0
ARG OPENCODE_VERSION=1.18.16
ARG RUNTIME_BUILD_REVISION=2
ARG RUNTIME_SOURCE_FINGERPRINT=unknown

# OpenCode's Skill, glob, and grep tools use ripgrep.  Install it in the
# reusable image so an evaluation never has to download rg from GitHub at
# agent runtime.
RUN set -eux; \
    if command -v rg >/dev/null 2>&1; then \
      :; \
    elif command -v apt-get >/dev/null 2>&1; then \
      apt-get update; \
      apt-get install -y --no-install-recommends ripgrep; \
      rm -rf /var/lib/apt/lists/*; \
    elif command -v dnf >/dev/null 2>&1; then \
      dnf -y install ripgrep; \
      dnf clean all; \
    elif command -v apk >/dev/null 2>&1; then \
      apk add --no-cache ripgrep; \
    else \
      echo 'OpenCode runtime requires a package manager to install ripgrep' >&2; \
      exit 127; \
    fi; \
    rg --version

RUN set -eux; \
    if [ -x /opt/benchflow/node/bin/node ]; then \
      /opt/benchflow/node/bin/node --version; \
    else \
    if ! command -v curl >/dev/null 2>&1 || ! command -v tar >/dev/null 2>&1; then \
      if command -v apt-get >/dev/null 2>&1; then \
        apt-get update; \
        apt-get install -y --no-install-recommends curl ca-certificates tar; \
        rm -rf /var/lib/apt/lists/*; \
      elif command -v dnf >/dev/null 2>&1; then \
        dnf -y install curl ca-certificates tar; \
        dnf clean all; \
      elif command -v apk >/dev/null 2>&1; then \
        apk add --no-cache curl ca-certificates tar; \
      else \
        echo 'Node/OpenCode bootstrap requires curl and tar' >&2; \
        exit 127; \
      fi; \
    fi; \
    arch="$(uname -m)"; \
    case "$arch" in \
      x86_64|amd64) node_arch=x64 ;; \
      aarch64|arm64) node_arch=arm64 ;; \
      *) echo "Unsupported architecture for Node.js: $arch" >&2; exit 1 ;; \
    esac; \
    temporary_dir="$(mktemp -d)"; \
    curl -fL \
      --retry 8 --retry-delay 2 \
      --connect-timeout 20 --max-time 900 \
      -o "$temporary_dir/node.tar.gz" \
      "https://nodejs.org/dist/v${NODE_VERSION}/node-v${NODE_VERSION}-linux-${node_arch}.tar.gz"; \
    mkdir -p /opt/benchflow/node /opt/benchflow/js-agents /opt/benchflow/bin; \
    tar -xzf "$temporary_dir/node.tar.gz" \
      -C /opt/benchflow/node --strip-components=1 --no-same-owner; \
    rm -rf "$temporary_dir"; \
    fi

ENV PATH="/opt/benchflow/bin:/opt/benchflow/js-agents/bin:/opt/benchflow/node/bin:${PATH}"

RUN set -eux; \
    if [ ! -x /opt/benchflow/js-agents/bin/opencode ]; then \
      npm install -g \
      --fetch-retries=8 \
      --fetch-retry-factor=2 \
      --fetch-retry-mintimeout=2000 \
      --fetch-retry-maxtimeout=60000 \
      --prefix /opt/benchflow/js-agents \
      "opencode-ai@${OPENCODE_VERSION}"; \
    fi; \
    npm cache clean --force; \
    rm -rf /root/.npm; \
    printf '%s\n' \
      '#!/bin/sh' \
      'exec /opt/benchflow/js-agents/bin/opencode "$@"' \
      > /opt/benchflow/bin/opencode; \
    chmod +x /opt/benchflow/bin/opencode; \
    chmod -R a+rX /opt/benchflow

LABEL org.skillc.opencode-runtime="1.18.16" \
      org.skillc.node-runtime="22.20.0" \
      org.skillc.opencode-runtime-build="${RUNTIME_BUILD_REVISION}" \
      org.skillc.opencode-runtime-source="${RUNTIME_SOURCE_FINGERPRINT}"