# yamllint disable rule:line-length
name: Release Please

'on':
  push:
    branches:
      - main
  workflow_dispatch: {}

permissions:
  actions: write
  contents: write
  pull-requests: write

jobs:
  release-please:
    runs-on: ubuntu-latest
    outputs:
      release_created: ${{ steps.rp.outputs.release_created }}
      tag_name: ${{ steps.rp.outputs.tag_name }}
      major: ${{ steps.rp.outputs.major }}
      minor: ${{ steps.rp.outputs.minor }}
      patch: ${{ steps.rp.outputs.patch }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Align manifest with latest published stable release
        env:
          GH_TOKEN: ${{ secrets.RELEASE_PLEASE_TOKEN || secrets.GITHUB_TOKEN }}
        shell: bash
        run: |
          set -euo pipefail

          manifest_version="$(sed -n 's/^[[:space:]]*"\."[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/p' .release-please-manifest.json | head -n 1)"
          if [ -z "${manifest_version}" ]; then
            echo "ERROR: Could not read current version from .release-please-manifest.json" >&2
            exit 1
          fi

          latest_tag="$(gh api "repos/${GITHUB_REPOSITORY}/releases?per_page=100" --jq 'first(.[] | select((.draft | not) and (.prerelease | not) and (.tag_name | startswith("v"))) | .tag_name) // ""')"
          if [ -z "${latest_tag}" ]; then
            echo "No published stable release found; leaving manifest at ${manifest_version}."
            exit 0
          fi

          latest_version="${latest_tag#v}"
          highest_version="$(printf '%s\n%s\n' "${manifest_version}" "${latest_version}" | sort -V | tail -n 1)"
          if [ "${highest_version}" != "${latest_version}" ] || [ "${manifest_version}" = "${latest_version}" ]; then
            echo "Manifest already current enough for release-please (manifest=${manifest_version}, latest_published=${latest_version})."
            exit 0
          fi

          echo "Manifest is behind latest published stable release; syncing ${manifest_version} -> ${latest_version} before release-please runs."
          printf '{\n  ".": "%s"\n}\n' "${latest_version}" > .release-please-manifest.json

      - uses: googleapis/release-please-action@v4
        id: rp
        with:
          token: ${{ secrets.RELEASE_PLEASE_TOKEN || secrets.GITHUB_TOKEN }}
          config-file: release-please-config.json
          manifest-file: .release-please-manifest.json

      # When a release is created, the v* tag triggers the existing
      # release.yml workflow which handles the full build matrix,
      # packaging, and artifact upload.  Nothing else to do here.
      - name: Release info
        if: steps.rp.outputs.release_created == 'true'
        run: |
          echo "Release ${{ steps.rp.outputs.tag_name }} created."
          echo "The existing release.yml workflow will handle build & packaging."

      - name: Ensure Release workflow run exists
        if: steps.rp.outputs.release_created == 'true'
        env:
          GH_TOKEN: ${{ secrets.RELEASE_PLEASE_TOKEN || secrets.GITHUB_TOKEN }}
          HAS_RELEASE_PLEASE_TOKEN: ${{ secrets.RELEASE_PLEASE_TOKEN != '' }}
          TAG_NAME: ${{ steps.rp.outputs.tag_name }}
          CURRENT_RUN_ID: ${{ github.run_id }}
        shell: bash
        run: |
          set -euo pipefail

          if [ -z "${TAG_NAME:-}" ]; then
            echo "ERROR: release-please reported release_created=true but tag_name is empty" >&2
            exit 1
          fi

          tag_sha=""
          for attempt in 1 2 3 4 5 6 7 8 9 10 11 12; do
            if tag_sha="$(gh api "repos/${GITHUB_REPOSITORY}/git/ref/tags/${TAG_NAME}" --jq '.object.sha' 2>/dev/null)"; then
              tag_type="$(gh api "repos/${GITHUB_REPOSITORY}/git/ref/tags/${TAG_NAME}" --jq '.object.type' 2>/dev/null)"
              if [ "$tag_type" = "tag" ]; then
                tag_sha="$(gh api "repos/${GITHUB_REPOSITORY}/git/tags/${tag_sha}" --jq '.object.sha' 2>/dev/null)"
              fi
              echo "Resolved release tag ${TAG_NAME} -> ${tag_sha}"
              break
            fi

            echo "Release tag ${TAG_NAME} not visible yet (attempt ${attempt}/12); waiting 5s..." >&2
            sleep 5
          done

          if [ -z "$tag_sha" ]; then
            echo "ERROR: release-please reported release_created=true but tag ${TAG_NAME} never became visible" >&2
            exit 1
          fi

          if [ "${HAS_RELEASE_PLEASE_TOKEN}" = "true" ]; then
            release_url=""
            for attempt in 1 2 3 4 5 6 7 8 9 10 11 12; do
              release_url="$(gh api "repos/${GITHUB_REPOSITORY}/actions/workflows/release.yml/runs?event=push&per_page=50" \
                --jq "first(.workflow_runs[] | select((.id | tostring) != \"${CURRENT_RUN_ID}\") | select(.head_sha == \"${tag_sha}\") | .html_url) // \"\"" \
                2>/dev/null || true)"

              if [ -n "$release_url" ]; then
                echo "Detected Release workflow run for ${TAG_NAME}: ${release_url}"
                break
              fi

              echo "No tag-push Release run detected yet for ${TAG_NAME} (attempt ${attempt}/12); waiting 5s..." >&2
              sleep 5
            done

            if [ -n "$release_url" ]; then
              echo "Release workflow already triggered by tag push; fallback dispatch not needed."
              exit 0
            fi
          else
            echo "RELEASE_PLEASE_TOKEN not set; tag pushes from GITHUB_TOKEN will not trigger Release automatically." >&2
          fi

          echo "Dispatching fallback Release workflow for ${TAG_NAME}."
          gh workflow run "release.yml" --repo "${GITHUB_REPOSITORY}" --ref "${TAG_NAME}" -f channel=stable