name: Release

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'Version to release (e.g., v2.99.0-rc1 or v2.99.0)'
        required: true
        type: string

# Only one release workflow runs at a time; additional runs are queued.
concurrency:
  group: release
  cancel-in-progress: false

permissions:
  contents: read

jobs:
  authorize:
    # Releasing acts as HaystackBot (a ruleset-bypass actor), so the ruleset
    # cannot enforce *who* started the release. Gate on the triggering user's
    # role instead: only maintainers/admins may run this workflow, even though
    # workflow_dispatch itself is available to anyone with write access.
    runs-on: ubuntu-slim
    steps:
      - name: Verify the triggering user may release
        env:
          GH_TOKEN: ${{ secrets.HAYSTACK_BOT_TOKEN }}
          ACTOR: ${{ github.triggering_actor }}
        run: |
          ROLE=$(gh api "repos/${{ github.repository }}/collaborators/${ACTOR}/permission" --jq '.role_name')
          echo "::notice::${ACTOR} has repository role '${ROLE}'"
          case "$ROLE" in
            admin|maintain)
              echo "✅ ${ACTOR} is authorized to trigger a release." ;;
            *)
              echo "::error::${ACTOR} has role '${ROLE}'. A release can only be triggered by a user with the 'maintain' or 'admin' role."
              exit 1 ;;
          esac

  parse-validate-version:
    needs: ["authorize"]
    runs-on: ubuntu-slim
    outputs:
      version: ${{ steps.parse-validate.outputs.version }}
      major_minor: ${{ steps.parse-validate.outputs.major_minor }}
      release_branch: ${{ steps.parse-validate.outputs.release_branch }}
      is_rc: ${{ steps.parse-validate.outputs.is_rc }}
      is_first_rc: ${{ steps.parse-validate.outputs.is_first_rc }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          fetch-depth: 0  # needed to fetch tags and branches
      - name: Parse and validate version
        id: parse-validate
        env:
          GH_TOKEN: ${{ github.token }}
          VERSION: ${{ inputs.version }}
        run: .github/utils/parse_validate_version.sh "$VERSION"

  branch-off:
    needs: ["parse-validate-version"]
    if: needs.parse-validate-version.outputs.is_first_rc == 'true'
    uses: ./.github/workflows/branch_off.yml
    # https://docs.github.com/en/actions/how-tos/reuse-automations/reuse-workflows#passing-secrets-to-nested-workflows
    secrets: inherit

  create-release-tag:
    needs: ["parse-validate-version", "branch-off"]
    if: always() && needs.parse-validate-version.result == 'success' && needs.branch-off.result != 'failure'
    runs-on: ubuntu-slim
    permissions:
      contents: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          fetch-depth: 0  # needed to fetch tags and branches
          # use this token so the created tag triggers workflows (does not happen with the default github.token)
          token: ${{ secrets.HAYSTACK_BOT_TOKEN }}
      - name: Update VERSION.txt and create tag
        env:
          GITHUB_TOKEN: ${{ secrets.HAYSTACK_BOT_TOKEN }}
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"

          git checkout ${{ needs.parse-validate-version.outputs.release_branch }}
          git pull origin ${{ needs.parse-validate-version.outputs.release_branch }}

          echo "${{ needs.parse-validate-version.outputs.version }}" > VERSION.txt
          git add VERSION.txt
          git commit -m "bump version to ${{ needs.parse-validate-version.outputs.version }}"
          git push origin ${{ needs.parse-validate-version.outputs.release_branch }}

          TAG="v${{ needs.parse-validate-version.outputs.version }}"
          git tag -m "$TAG" "$TAG"
          git push origin "$TAG"

  check-artifacts:
    needs: ["parse-validate-version", "create-release-tag"]
    if: always() && needs.parse-validate-version.result == 'success' && needs.create-release-tag.result == 'success'
    runs-on: ubuntu-latest
    outputs:
      github_url: ${{ steps.set-outputs.outputs.github_url }}
      pypi_url: ${{ steps.set-outputs.outputs.pypi_url }}
      docker_url: ${{ steps.set-outputs.outputs.docker_url }}
    env:
      GH_TOKEN: ${{ github.token }}
      VERSION: ${{ needs.parse-validate-version.outputs.version }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          fetch-depth: 0  # needed to fetch tags and branches

      - name: Wait for release workflows
        run: |
          .github/utils/wait_for_workflows.sh "v${{ env.VERSION }}" \
            "Project release on PyPi" \
            "Project release on Github" \
            "Docker image release"

      - name: Check artifacts
        run: |
          check() {
            for _ in {1..5}; do curl -sf "$2" > /dev/null && echo "✅ $1" && return 0; sleep 30; done
            echo "❌ $1 not found" && return 1
          }
          check "GitHub Release" "https://api.github.com/repos/${{ github.repository }}/releases/tags/v${{ env.VERSION }}"
          check "PyPI package" "https://pypi.org/pypi/haystack-ai/${{ env.VERSION }}/json"
          check "Docker image" "https://hub.docker.com/v2/repositories/deepset/haystack/tags/base-v${{ env.VERSION }}"

      - name: Set artifact URLs
        id: set-outputs
        run: |
          {
            echo "github_url=https://github.com/${{ github.repository }}/releases/tag/v${{ env.VERSION }}"
            echo "pypi_url=https://pypi.org/project/haystack-ai/${{ env.VERSION }}/"
            echo "docker_url=https://hub.docker.com/r/deepset/haystack/tags?name=base-v${{ env.VERSION }}"
          } >> "$GITHUB_OUTPUT"

  bump-dc-pipeline-templates:
    needs: ["parse-validate-version", "check-artifacts"]
    if: always() && needs.check-artifacts.result == 'success' && needs.parse-validate-version.outputs.is_rc == 'true'
    runs-on: ubuntu-slim
    outputs:
      pr_url: ${{ steps.create-pr.outputs.pull-request-url }}
    env:
      VERSION: ${{ needs.parse-validate-version.outputs.version }}
    steps:
      - name: Checkout dc-pipeline-templates
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          repository: deepset-ai/dc-pipeline-templates
          token: ${{ secrets.HAYSTACK_BOT_TOKEN }}

      - name: Update haystack pin
        run: sed -i "s/haystack-ai>=.*/haystack-ai>=${VERSION}/" requirements-test.txt

      - name: Create Pull Request
        id: create-pr
        uses: peter-evans/create-pull-request@5f6978faf089d4d20b00c7766989d076bb2fc7f1 # v8.1.1
        with:
          token: ${{ secrets.HAYSTACK_BOT_TOKEN }}
          commit-message: "Bump haystack to ${{ env.VERSION }}"
          branch: bump-haystack-${{ env.VERSION }}
          base: main
          title: "chore: bump haystack to ${{ env.VERSION }}"
          add-paths: requirements-test.txt
          body: |
            Bump haystack pin to `${{ env.VERSION }}` for platform testing.

  bump-deepset-cloud-custom-nodes:
    needs: ["parse-validate-version", "check-artifacts"]
    if: always() && needs.check-artifacts.result == 'success' && needs.parse-validate-version.outputs.is_rc == 'true'
    runs-on: ubuntu-slim
    outputs:
      pr_url: ${{ steps.create-pr.outputs.pull-request-url }}
    env:
      VERSION: ${{ needs.parse-validate-version.outputs.version }}
    steps:
      - name: Checkout haystack (for utils)
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          path: haystack
          sparse-checkout: .github/utils/update_haystack_dc_custom_nodes.py
          sparse-checkout-cone-mode: false

      - name: Checkout deepset-cloud-custom-nodes
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          repository: deepset-ai/deepset-cloud-custom-nodes
          token: ${{ secrets.HAYSTACK_BOT_TOKEN }}
          path: deepset-cloud-custom-nodes

      - name: Set up Python
        uses: actions/setup-python@ece7cb06caefa5fff74198d8649806c4678c61a1 # v6.3.0
        with:
          python-version: "3.13"

      - name: Install tomlkit
        run: |
          python -m pip install --upgrade pip
          pip install tomlkit --uploaded-prior-to=P1D

      - name: Update haystack-ai in uv.lock
        run: python haystack/.github/utils/update_haystack_dc_custom_nodes.py "${{ env.VERSION }}" deepset-cloud-custom-nodes/uv.lock

      - name: Create Pull Request
        id: create-pr
        uses: peter-evans/create-pull-request@5f6978faf089d4d20b00c7766989d076bb2fc7f1 # v8.1.1
        with:
          token: ${{ secrets.HAYSTACK_BOT_TOKEN }}
          path: deepset-cloud-custom-nodes
          commit-message: "Bump haystack to ${{ env.VERSION }}"
          branch: bump-haystack-${{ env.VERSION }}
          base: main
          title: "chore: bump haystack to ${{ env.VERSION }}"
          add-paths: uv.lock
          body: |
            Bump haystack pin to `${{ env.VERSION }}` for platform testing.

  bump-haystack-runtime:
    needs: ["parse-validate-version", "check-artifacts"]
    if: always() && needs.check-artifacts.result == 'success' && needs.parse-validate-version.outputs.is_rc == 'true'
    runs-on: ubuntu-slim
    outputs:
      pr_url: ${{ steps.wait-pr.outputs.pr_url }}
    env:
      VERSION: ${{ needs.parse-validate-version.outputs.version }}
    steps:
      - name: Trigger "Update package version" workflow
        env:
          GH_TOKEN: ${{ secrets.HAYSTACK_BOT_TOKEN }}
        run: |
          gh workflow run update-package-version.yaml \
            -R deepset-ai/haystack-runtime \
            -f haystack_version="${{ env.VERSION }}"

      - name: Wait for PR
        id: wait-pr
        env:
          GH_TOKEN: ${{ secrets.HAYSTACK_BOT_TOKEN }}
        run: |
          TRIGGER_TIME=$(date -u +%Y-%m-%dT%H:%M:%SZ)
          for i in $(seq 1 30); do
            PR_URL=$(gh pr list -R deepset-ai/haystack-runtime \
              --head "bump/hs${{ env.VERSION }}" \
              --json url,createdAt \
              --jq ".[] | select(.createdAt >= \"$TRIGGER_TIME\") | .url")
            if [[ -n "$PR_URL" ]]; then
              echo "pr_url=$PR_URL" >> "$GITHUB_OUTPUT"
              echo "Found PR: $PR_URL"
              exit 0
            fi
            echo "Attempt $i: PR not found yet, waiting 10s..."
            sleep 10
          done
          echo "PR not found after 5 minutes"

  notify:
    needs:
      - "parse-validate-version"
      - "branch-off"
      - "create-release-tag"
      - "check-artifacts"
      - "bump-dc-pipeline-templates"
      - "bump-deepset-cloud-custom-nodes"
      - "bump-haystack-runtime"
    if: always()
    runs-on: ubuntu-slim
    steps:
      - name: Checkout repository
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0

      - name: Prepare release notification
        env:
          VERSION: ${{ inputs.version }}
          GH_TOKEN: ${{ github.token }}
          RUN_URL: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}
          HAS_FAILURE: ${{ contains(needs.*.result, 'failure') }}
          IS_RC: ${{ needs.parse-validate-version.outputs.is_rc }}
          IS_FIRST_RC: ${{ needs.parse-validate-version.outputs.is_first_rc }}
          MAJOR_MINOR: ${{ needs.parse-validate-version.outputs.major_minor }}
          GITHUB_URL: ${{ needs.check-artifacts.outputs.github_url }}
          PYPI_URL: ${{ needs.check-artifacts.outputs.pypi_url }}
          DOCKER_URL: ${{ needs.check-artifacts.outputs.docker_url }}
          BUMP_VERSION_PR_URL: ${{ needs.branch-off.outputs.bump_version_pr_url }}
          DC_PIPELINE_TEMPLATES_PR_URL: ${{ needs.bump-dc-pipeline-templates.outputs.pr_url }}
          DC_CUSTOM_NODES_PR_URL: ${{ needs.bump-deepset-cloud-custom-nodes.outputs.pr_url }}
          HAYSTACK_RUNTIME_PR_URL: ${{ needs.bump-haystack-runtime.outputs.pr_url }}
        run: .github/utils/prepare_release_notification.sh

      - name: Send release notification to Slack
        uses: slackapi/slack-github-action@45a88b9581bfab2566dc881e2cd66d334e621e2c # v3.0.3
        with:
          webhook: ${{ secrets.SLACK_WEBHOOK_URL_RELEASE }}
          webhook-type: incoming-webhook
          payload-file-path: slack_payload.json