name: Automerge

concurrency:
  group: ${{ github.repository }}-${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

on:
  push:
  pull_request:

jobs:


  Pipeline:
    if: ${{ !(github.event_name != 'pull_request' && github.actor == 'dependabot[bot]') }}
    uses: ./.github/workflows/Tests.yml


  GCS:
    if: ${{ !(github.event_name != 'pull_request' && github.actor == 'dependabot[bot]') }}
    needs: Pipeline
    container: ubuntu:bionic
    runs-on:
      - self-hosted
      - Linux
      - X64

    env:
      MAX_CORES: 80
      GHA_EXTERNAL_DISK: "tools"
      GHA_SA: "gh-sa-f4pga-arch-defs-ci"

    steps:

      - name: '📤 Download artifact: arch-defs packages'
        uses: actions/download-artifact@v3
        with:
          name: packages
          path: './'

      - name: 🕐 Timestamp, Hash and packages.list
        id: timestamp
        run: |
          TIMESTAMP="$(date +'%Y%m%d-%H%M%S')"
          echo '::set-output name=timestamp::'"$TIMESTAMP"

          GITHUB_STEP_SUMMARY=${GITHUB_STEP_SUMMARY:-github_step_summary.md}
          echo 'Timestamp: $TIMESTAMP' >> $GITHUB_STEP_SUMMARY
          echo 'Hash: '"$(echo symbiflow-arch-defs*.tar.xz | sed 's/.*-\(.*\)\.tar\.xz/\1/')" >> $GITHUB_STEP_SUMMARY

          ls *.tar.xz > packages.list

          mkdir -p install

      - name: '🐍 Setup Python'
        run: |
          apt update -qq
          apt install -y python3

      - name: 🚀 Upload to Google Cloud Storage (GCS) bucket
        run: |
          python3 - <<EOF
          from subprocess import check_call, run
          from pathlib import Path
          from re import compile as re_compile
          TIMESTAMP = '${{ steps.timestamp.outputs.timestamp }}'
          DO_UPLOAD = '${{ github.event_name == 'push' && github.ref_name == 'main' }}' == 'true'
          print(f'> TIMESTAMP: {TIMESTAMP}')
          PACKAGE_RE = re_compile("symbiflow-arch-defs-([a-zA-Z0-9_-]+)-([a-z0-9])")
          with (Path(__file__).parent.parent.parent / 'packages.list').open('r') as rptr:
              for artifact in rptr.read().splitlines():
                  if DO_UPLOAD:
                    check_call([
                      'gsutil', 'cp', str(artifact),
                      f'gs://symbiflow-arch-defs/artifacts/prod/foss-fpga-tools/symbiflow-arch-defs/continuous/install/{TIMESTAMP}/'
                    ])
                  m = PACKAGE_RE.match(artifact)
                  assert m, f"Package name not recognized! {artifact}"
                  package_name = m.group(1)
                  if package_name == "install":
                      package_name = "toolchain"
                  with (Path("install") / f"symbiflow-{package_name}-latest").open("w") as wptr:
                      wptr.write(
                          'https://storage.googleapis.com/symbiflow-arch-defs/artifacts/prod/foss-fpga-tools/'
                          f'symbiflow-arch-defs/continuous/install/{TIMESTAMP}/{artifact}'
                      )
          if DO_UPLOAD:
            run('gsutil -m rsync $* -r install gs://${{ secrets.GCP_STORAGE_BUCKET }}/', shell=True, check=False)
          EOF

      - name: '📤 Upload artifact: latest'
        uses: actions/upload-artifact@v3
        with:
          name: latest
          path: install


  Assets:
    if: ${{ !(github.event_name != 'pull_request' && github.actor == 'dependabot[bot]') && (github.event_name == 'push' && github.ref_name == 'main')}}
    needs: GCS
    runs-on: ubuntu-latest

    steps:

      - name: '📤 Download artifact: latest'
        uses: actions/download-artifact@v3
        with:
          name: latest
          path: install

      - uses: pyTooling/Actions/releaser@r0
        with:
          token: ${{ github.token }}
          tag: latest
          files: install/*


  Automerge:
    needs: Pipeline
    if: github.event_name == 'pull_request' && github.actor == 'dependabot[bot]'
    runs-on: ubuntu-latest
    name: Automerge dependabot PRs
    permissions:
      contents: write

    steps:

      - name: Auto-merge Dependabot PR
        run: GITHUB_TOKEN='${{ github.token }}' gh pr merge '${{ github.event.pull_request.html_url }}' --squash