name: Publish GitHub Action

on:
  push:
    branches:
      - main
    # paths:
    #   - github-action/package.json

permissions:
  contents: write

jobs:

  test:
    name: Test action
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: npm
          cache-dependency-path: github-action/package-lock.json

      - name: Install action dependencies
        working-directory: github-action
        run: npm ci

      - name: Run action tests
        working-directory: github-action
        run: npm test

  # verify_action:
  #   name: Verify action
  #   runs-on: linux
  #   steps:
  #     - name: Checkout repository
  #       uses: actions/checkout@v4
  #       with:
  #         fetch-depth: 0

  #     - name: Set up Node.js
  #       uses: actions/setup-node@v4
  #       with:
  #         node-version: 22
  #         cache: npm
  #         cache-dependency-path: github-action/package-lock.json

  #     - name: Install action dependencies
  #       working-directory: github-action
  #       run: npm ci

  #     - name: Create verification fixture
  #       shell: bash
  #       run: |
  #         mkdir -p test-action-input
  #         cat <<'EOF' > test-action-input/main.lua
  #         local message = {}

  #         message.hello = function()
  #           return "hello"
  #         end

  #         return message
  #         EOF

  #     - name: Run action locally
  #       uses: ./github-action
  #       with:
  #         source-root: test-action-input
  #         output-file: test-action-output/compiled.lua

  #     - name: Assert compiled output exists
  #       shell: bash
  #       run: test -f test-action-output/compiled.lua

  # derive_release:
  #   name: Derive release metadata
  #   runs-on: linux
  #   needs: verify_action
  #   outputs:
  #     version: ${{ steps.derive.outputs.version }}
  #     release_tag: ${{ steps.derive.outputs.release_tag }}
  #     rolling_minor_tag: ${{ steps.derive.outputs.rolling_minor_tag }}
  #     rolling_major_tag: ${{ steps.derive.outputs.rolling_major_tag }}
  #     bump_kind: ${{ steps.derive.outputs.bump_kind }}
  #     should_publish: ${{ steps.derive.outputs.should_publish }}
  #     latest_release_tag: ${{ steps.derive.outputs.latest_release_tag }}
  #   steps:
  #     - name: Checkout repository
  #       uses: actions/checkout@v4
  #       with:
  #         fetch-depth: 0

  #     - name: Derive version and tags
  #       id: derive
  #       shell: bash
  #       run: |
  #         set -euo pipefail

  #         version=$(node -p "require('./github-action/package.json').version")
  #         if [[ ! "$version" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
  #           echo "github-action/package.json version must be semver X.Y.Z, got: $version" >&2
  #           exit 1
  #         fi

  #         IFS='.' read -r major minor patch <<< "$version"
  #         release_tag="action/v${version}"
  #         rolling_minor_tag="action/v${major}.${minor}"
  #         rolling_major_tag="action/v${major}"

  #         latest_release_tag=$(git tag --list 'action/v*.*.*' --sort=-version:refname | head -n 1)

  #         bump_kind="initial"
  #         should_publish="true"

  #         if [[ -n "$latest_release_tag" ]]; then
  #           latest_version=${latest_release_tag#action/v}

  #           if [[ "$version" == "$latest_version" ]]; then
  #             should_publish="false"
  #             bump_kind="duplicate"
  #           else
  #             IFS='.' read -r latest_major latest_minor latest_patch <<< "$latest_version"

  #             if (( major < latest_major )) || \
  #                (( major == latest_major && minor < latest_minor )) || \
  #                (( major == latest_major && minor == latest_minor && patch < latest_patch )); then
  #               echo "github-action/package.json version $version must be greater than latest published $latest_version" >&2
  #               exit 1
  #             fi

  #             if (( major > latest_major )); then
  #               bump_kind="major"
  #             elif (( minor > latest_minor )); then
  #               bump_kind="minor"
  #             elif (( patch > latest_patch )); then
  #               bump_kind="patch"
  #             else
  #               echo "Unable to derive release kind from $latest_version -> $version" >&2
  #               exit 1
  #             fi
  #           fi
  #         fi

  #         echo "version=$version" >> "$GITHUB_OUTPUT"
  #         echo "release_tag=$release_tag" >> "$GITHUB_OUTPUT"
  #         echo "rolling_minor_tag=$rolling_minor_tag" >> "$GITHUB_OUTPUT"
  #         echo "rolling_major_tag=$rolling_major_tag" >> "$GITHUB_OUTPUT"
  #         echo "bump_kind=$bump_kind" >> "$GITHUB_OUTPUT"
  #         echo "should_publish=$should_publish" >> "$GITHUB_OUTPUT"
  #         echo "latest_release_tag=$latest_release_tag" >> "$GITHUB_OUTPUT"

  #     - name: Summarize release plan
  #       shell: bash
  #       run: |
  #         {
  #           echo "## Action release plan"
  #           echo ""
  #           echo "- Version: ${{ steps.derive.outputs.version }}"
  #           echo "- Release tag: ${{ steps.derive.outputs.release_tag }}"
  #           echo "- Rolling minor tag: ${{ steps.derive.outputs.rolling_minor_tag }}"
  #           echo "- Rolling major tag: ${{ steps.derive.outputs.rolling_major_tag }}"
  #           echo "- Bump kind: ${{ steps.derive.outputs.bump_kind }}"
  #           echo "- Latest published tag: ${{ steps.derive.outputs.latest_release_tag || 'none' }}"
  #           echo "- Will publish: ${{ steps.derive.outputs.should_publish }}"
  #         } >> "$GITHUB_STEP_SUMMARY"

  # publish_tags:
  #   name: Publish tags
  #   runs-on: linux
  #   needs: derive_release
  #   if: ${{ needs.derive_release.outputs.should_publish == 'true' }}
  #   steps:
  #     - name: Checkout repository
  #       uses: actions/checkout@v4
  #       with:
  #         fetch-depth: 0

  #     - name: Create immutable release tag
  #       shell: bash
  #       run: |
  #         set -euo pipefail
  #         release_tag='${{ needs.derive_release.outputs.release_tag }}'

  #         if git rev-parse "$release_tag" >/dev/null 2>&1; then
  #           echo "Release tag $release_tag already exists" >&2
  #           exit 1
  #         fi

  #         git tag "$release_tag" "$GITHUB_SHA"

  #     - name: Update rolling tags
  #       shell: bash
  #       run: |
  #         set -euo pipefail
  #         git tag -f '${{ needs.derive_release.outputs.rolling_minor_tag }}' "$GITHUB_SHA"
  #         git tag -f '${{ needs.derive_release.outputs.rolling_major_tag }}' "$GITHUB_SHA"

  #     - name: Push release tags
  #       shell: bash
  #       run: |
  #         set -euo pipefail
  #         git push origin '${{ needs.derive_release.outputs.release_tag }}'
  #         git push origin '${{ needs.derive_release.outputs.rolling_minor_tag }}' --force
  #         git push origin '${{ needs.derive_release.outputs.rolling_major_tag }}' --force

  #     - name: Summarize published tags
  #       shell: bash
  #       run: |
  #         {
  #           echo "## Published action tags"
  #           echo ""
  #           echo "- Immutable: ${{ needs.derive_release.outputs.release_tag }}"
  #           echo "- Rolling minor: ${{ needs.derive_release.outputs.rolling_minor_tag }}"
  #           echo "- Rolling major: ${{ needs.derive_release.outputs.rolling_major_tag }}"
  #           echo "- Bump kind: ${{ needs.derive_release.outputs.bump_kind }}"
  #         } >> "$GITHUB_STEP_SUMMARY"