name: 'Finalize Release'
description: 'Create PR, auto-merge, wait for merge, and create release tag'
inputs:
  version:
    description: 'Release version (e.g., 2.31.0)'
    required: true
  branch-name:
    description: 'Release branch name'
    required: true
  release-commit-sha:
    description: 'SHA of the release commit for tagging'
    required: true
  tag-prefix:
    description: 'Tag prefix (e.g., CLI_)'
    required: true
  product-name:
    description: 'Product name for PR title (e.g., YDB CLI)'
    required: true
  token:
    description: 'GitHub token for PR operations and push'
    required: true
outputs:
  pr-number:
    description: 'Created PR number'
    value: ${{ steps.create-pr.outputs.pr-number }}
  pr-url:
    description: 'Created PR URL'
    value: ${{ steps.create-pr.outputs.pr-url }}
runs:
  using: 'composite'
  steps:
    - name: Checkout
      uses: actions/checkout@v5
      with:
        token: ${{ inputs.token }}
        fetch-depth: 0
    - name: Configure git
      uses: ./.github/actions/configure_git
    - name: Create and auto-merge PR
      id: create-pr
      shell: bash
      env:
        GH_TOKEN: ${{ inputs.token }}
      run: |
        PR_TITLE="${{ inputs.product-name }} release ${{ inputs.version }}"
        printf -v PR_BODY '%s\n' \
          '### Changelog entry' \
          '' \
          '### Changelog category' \
          '' \
          '* Not for changelog (changelog entry is not required)' \
          '' \
          '### Description for reviewers' \
          "Automated release PR for ${{ inputs.product-name }} version ${{ inputs.version }}"
        PR_URL=$(gh pr create \
          --title "$PR_TITLE" \
          --body "$PR_BODY" \
          --head "${{ inputs.branch-name }}" \
          --base main \
          --repo ${{ github.repository }})
        PR_NUMBER=$(basename "$PR_URL")
        echo "Created PR #$PR_NUMBER"
        echo "PR URL: $PR_URL"
        echo "pr-number=$PR_NUMBER" >> $GITHUB_OUTPUT
        echo "pr-url=$PR_URL" >> $GITHUB_OUTPUT
        if gh pr merge "$PR_NUMBER" --merge --auto; then
          echo "Auto-merge enabled for PR #$PR_NUMBER"
        else
          echo "Auto-merge failed - branch protection rules required"
          echo "Please merge PR manually: $PR_URL"
          exit 1
        fi
    - name: Create PR URL file
      shell: bash
      run: |
        echo "${{ steps.create-pr.outputs.pr-url }}" > pr_url.txt
        echo "Created pr_url.txt with PR URL: ${{ steps.create-pr.outputs.pr-url }}"
    - name: Upload PR URL artifact
      uses: actions/upload-artifact@v6
      with:
        name: pr-url
        path: pr_url.txt
        if-no-files-found: error
        retention-days: 1
    - name: Wait for PR merge
      shell: bash
      env:
        GH_TOKEN: ${{ inputs.token }}
      run: |
        PR_NUMBER="${{ steps.create-pr.outputs.pr-number }}"
        echo "Waiting for PR #$PR_NUMBER to be merged (CI may take 1-3 hours)..."
        for i in {1..48}; do
          PR_STATE=$(gh pr view "$PR_NUMBER" --json state,mergedAt --jq '.state + ":" + (.mergedAt != null | tostring)')
          if [[ "$PR_STATE" == "MERGED:true" ]]; then
            echo "PR merged successfully"
            break
          elif [[ "$PR_STATE" == "CLOSED:false" ]]; then
            echo "PR was closed without merging - this shouldn't happen with auto-merge"
            exit 1
          else
            echo "PR still pending (attempt $i/48), state: $PR_STATE, waiting 5 minutes..."
            sleep 300
          fi
          if [ $((i % 6)) -eq 0 ]; then
            echo "Still waiting after $((i * 5)) minutes..."
          fi
        done
        PR_STATE=$(gh pr view "$PR_NUMBER" --json state,mergedAt --jq '.state + ":" + (.mergedAt != null | tostring)')
        if [[ "$PR_STATE" != "MERGED:true" ]]; then
          echo "ERROR: PR was not merged after 4 hours. Current state: $PR_STATE"
          echo "Please check the PR status and approve if needed."
          echo "PR URL: $(gh pr view "$PR_NUMBER" --json url --jq '.url')"
          exit 1
        fi
    - name: Create release tag
      shell: bash
      run: |
        RELEASE_SHA="${{ inputs.release-commit-sha }}"
        TAG_NAME="${{ inputs.tag-prefix }}${{ inputs.version }}"
        git fetch origin main
        git tag "$TAG_NAME" "$RELEASE_SHA"
        git push origin "$TAG_NAME"
        echo "Created and pushed tag $TAG_NAME on commit $RELEASE_SHA"