name: "Auto release"

on:
  workflow_dispatch:

env:
  HONEYCOMB_WRITEKEY: 7f3c63a70eecc61d635917de46bea4e6 
  HONEYCOMB_DATASET: litmus tests
  CHANGELOG_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

jobs:
  auto_release:
    name: "Automatic release prep"
    runs-on: ubuntu-20.04

    steps:
    - name: "Honeycomb: Start recording"
      uses: puppetlabs/kvrhdn-gha-buildevents@pdk-templates-v1
      with:
        apikey: ${{ env.HONEYCOMB_WRITEKEY }}
        dataset: ${{ env.HONEYCOMB_DATASET }}
        job-status: ${{ job.status }}

    - name: "Honeycomb: start first step"
      run: |
        echo STEP_ID="auto-release" >> $GITHUB_ENV
        echo STEP_START=$(date +%s) >> $GITHUB_ENV

    - name: "Checkout Source"
      if: ${{ github.repository_owner == 'puppetlabs' }}
      uses: actions/checkout@v2
      with:
        fetch-depth: 0
        persist-credentials: false

    - name: "PDK Release prep"
      uses: docker://puppet/iac_release:ci
      with:
        args: 'release prep --force'
      env:
        CHANGELOG_GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    - name: "Get Version"
      if: ${{ github.repository_owner == 'puppetlabs' }}
      id: gv
      run: |
        echo "::set-output name=ver::$(jq --raw-output .version metadata.json)"

    - name: "Check if a release is necessary"
      if: ${{ github.repository_owner == 'puppetlabs' }}
      id: check
      run: |
        git diff --quiet CHANGELOG.md && echo "::set-output name=release::false" || echo "::set-output name=release::true"

    - name: "Commit changes"
      if: ${{ github.repository_owner == 'puppetlabs' && steps.check.outputs.release == 'true' }}
      run: |
        git config --local user.email "${{ github.repository_owner }}@users.noreply.github.com"
        git config --local user.name "GitHub Action"
        git add .
        git commit -m "Release prep v${{ steps.gv.outputs.ver }}"

    - name: Create Pull Request
      id: cpr
      uses: puppetlabs/peter-evans-create-pull-request@v3
      if: ${{ github.repository_owner == 'puppetlabs' && steps.check.outputs.release == 'true' }}
      with:
        token: ${{ secrets.GITHUB_TOKEN }}
        commit-message: "Release prep v${{ steps.gv.outputs.ver }}"
        branch: "release-prep"
        delete-branch: true
        title: "Release prep v${{ steps.gv.outputs.ver }}"
        body: |
          Automated release-prep through [pdk-templates](https://github.com/puppetlabs/pdk-templates/blob/main/moduleroot/.github/workflows/auto_release.yml.erb) from commit ${{ github.sha }}. 
          Please verify before merging:
          - [ ] last [nightly](https://github.com/${{ github.repository }}/actions/workflows/nightly.yml) run is green
          - [ ] [Changelog](https://github.com/${{ github.repository }}/blob/release-prep/CHANGELOG.md) is readable and has no unlabeled pull requests
          - [ ] Ensure the [changelog](https://github.com/${{ github.repository }}/blob/release-prep/CHANGELOG.md) version and [metadata](https://github.com/${{ github.repository }}/blob/release-prep/metadata.json) version match
        labels: "maintenance"

    - name: PR outputs
      if: ${{ github.repository_owner == 'puppetlabs' && steps.check.outputs.release == 'true' }}
      run: |
        echo "Pull Request Number - ${{ steps.cpr.outputs.pull-request-number }}"
        echo "Pull Request URL - ${{ steps.cpr.outputs.pull-request-url }}"

    - name: "Honeycomb: Record finish step"
      if: ${{ always() }}
      run: |
        buildevents step $TRACE_ID $STEP_ID $STEP_START 'Finished auto release workflow'