name: Setup Node environment
description: >
  Initialize submodules with retry, install Node 22, pnpm, optionally Bun,
  and run pnpm install. Requires actions/checkout to run first.
inputs:
  node-version:
    description: Node.js version to install.
    required: false
    default: "22.x"
  pnpm-version:
    description: pnpm version for corepack.
    required: false
    default: "10.23.0"
  install-bun:
    description: Whether to install Bun alongside Node.
    required: false
    default: "true"
  frozen-lockfile:
    description: Whether to use --frozen-lockfile for install.
    required: false
    default: "true"
runs:
  using: composite
  steps:
    - name: Checkout submodules (retry)
      shell: bash
      run: |
        set -euo pipefail
        git submodule sync --recursive
        for attempt in 1 2 3 4 5; do
          if git -c protocol.version=2 submodule update --init --force --depth=1 --recursive; then
            exit 0
          fi
          echo "Submodule update failed (attempt $attempt/5). Retrying…"
          sleep $((attempt * 10))
        done
        exit 1

    - name: Setup Node.js
      uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
      with:
        node-version: ${{ inputs.node-version }}
        check-latest: true

    - name: Setup pnpm + cache store
      uses: ./.github/actions/setup-pnpm-store-cache
      with:
        pnpm-version: ${{ inputs.pnpm-version }}
        cache-key-suffix: "node22"

    - name: Setup Bun
      if: inputs.install-bun == 'true'
      uses: oven-sh/setup-bun@v2
      with:
        bun-version: "1.3.9+cf6cdbbba"

    - name: Runtime versions
      shell: bash
      run: |
        node -v
        npm -v
        pnpm -v
        if command -v bun &>/dev/null; then bun -v; fi

    - name: Capture node path
      shell: bash
      run: echo "NODE_BIN=$(dirname "$(node -p "process.execPath")")" >> "$GITHUB_ENV"

    - name: Install dependencies
      shell: bash
      env:
        CI: "true"
        FROZEN_LOCKFILE: ${{ inputs.frozen-lockfile }}
      run: |
        set -euo pipefail
        export PATH="$NODE_BIN:$PATH"
        which node
        node -v
        pnpm -v
        case "$FROZEN_LOCKFILE" in
          true) LOCKFILE_FLAG="--frozen-lockfile" ;;
          false) LOCKFILE_FLAG="" ;;
          *)
            echo "::error::Invalid frozen-lockfile input: '$FROZEN_LOCKFILE' (expected true or false)"
            exit 2
            ;;
        esac

        install_args=(
          install
          --ignore-scripts=false
          --config.engine-strict=false
          --config.enable-pre-post-scripts=true
        )
        if [ -n "$LOCKFILE_FLAG" ]; then
          install_args+=("$LOCKFILE_FLAG")
        fi
        pnpm "${install_args[@]}" || pnpm "${install_args[@]}"