pull-request.yml

name: 'pull-request'
on:
  pull_request_target:
    types:
      - opened
      - synchronize
      - reopened
      - ready_for_review
      - labeled
      - unlabeled

jobs:
  # validates that the pull request is trusted
  verify: 
    runs-on: ubuntu-latest
    steps:
      - run: |
          VERIFIED_LABEL=${{ contains(github.event.pull_request.labels.*.name, 'verified') }}
          if [[ ( $VERIFIED_LABEL == 'false' ) ]]; then
            echo "Pull request is not from a trusted source!"
            exit 1
          fi

  unit-tests:
    needs: [ verify ]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4.1.6
        with: 
          ref: ${{ github.event.pull_request.head.ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}

      - uses: actions/setup-node@v4
        with:
          node-version: 20

      - run: npm install
      - run: npm run all

  changelog:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4.1.6
        with: 
          ref: ${{ github.event.pull_request.head.ref }}
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          token: ${{ secrets.ACTION_TOKEN }}

      - id: read_version
        run: |
          echo "version=$(jq -r ".version" package.json)" >> $GITHUB_OUTPUT
          echo "tag=v$(jq -r ".version" package.json)" >> $GITHUB_OUTPUT
            
      - uses: ./
        with:
          activationLabels: 'dependabot,automerge'
          sort: 'alpha'
  
      - id: auto-commit
        uses: stefanzweifel/git-auto-commit-action@v5
        with:
          commit_message: "Updated Changelog"

      - id: changelog-enforcer
        # If changes were detected, it would include a changelog
        # Skip enforcing the changelog and wait for the next commit to trigger the workflow
        if: steps.auto-commit.outputs.changes_detected == 'false'
        uses: dangoslen/changelog-enforcer@v3
        with:
          expectedLatestVersion: ${{ steps.read_version.outputs.version }}

      - if: failure()
        name: Comment About Failure
        uses: thollander/actions-comment-pull-request@v2.5.0    
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          comment_tag: failure
          mode: recreate
          message: |
            Hey @${{ github.event.pull_request.user.login }}, the Changelog Enforcer failed. Can you take a look at the error below and correct it? Thanks!

            ```
            ${{ steps.changelog-enforcer.outputs.errorMessage }}
            ```

      - id: changelog_reader
        name: Read Changelog
        uses: mindsers/changelog-reader-action@v2
        with:
          version: ${{ steps.read_version.outputs.version }}
          path: ./CHANGELOG.md

      - id: check_release
        name: Check for Existing Release
        run: |
          TAG=$(git ls-remote --tags origin | grep ${{ steps.read_version.outputs.tag }} | cat )
          MISSING=$([[ -z "$TAG" ]] && echo 'true' || echo 'false')
          echo "missing=$MISSING" >> $GITHUB_OUTPUT

      - if: ${{ steps.check_release.outputs.missing == 'true' }}
        name: Preview Release Notes
        uses: thollander/actions-comment-pull-request@v2.5.0    
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          comment_tag: release-notes
          mode: recreate
          message: |
            <details>
              <summary>Preview of Release Notes to be Created :ship:</summary>

              ${{ steps.changelog_reader.outputs.changes }}

            </details>

  automerge:
    needs: [ unit-tests, changelog ]
    runs-on: ubuntu-latest
    steps:
      - id: automerge
        name: automerge
        uses: "pascalgn/automerge-action@v0.16.3"
        env:
          GITHUB_TOKEN: "${{ secrets.ACTION_TOKEN }}"