label.yml

name: "Pull Request Labeler"
on:
  pull_request:
    # opened, reopened, and synchronize are default for pull_request
    # edited - when PR title or body is changed
    # labeled - when labels are added to PR
    types: [opened, reopened, synchronize, edited, labeled]
  push:
    branches: [ main ]
    paths:
      - '../labels.yml'

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

jobs:

  label-syncer:
    # Sync the labels name, colours with the file ``labels.yml``
    name: Syncer
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4.2.1
      - uses: micnncim/action-label-syncer@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  labeler:
    name: Set labels
    needs: [label-syncer]
    permissions:
      contents: read
      pull-requests: write
    runs-on: ubuntu-latest
    steps:

    # Label based on modified files
    - name: Label based on changed files
      uses: actions/labeler@v5
      with:
        repo-token: "${{ secrets.GITHUB_TOKEN }}"
        sync-labels: true

    # Label based on branch name
    - uses: actions-ecosystem/action-add-labels@v1
      if: |
        startsWith(github.event.pull_request.title, 'fix') || 
        startsWith(github.event.pull_request.title, 'bug') ||
        startsWith(github.event.pull_request.title, 'patch')
      with:
        github_token: ${{ secrets.GITHUB_TOKEN}}
        labels: bug

    - uses: actions-ecosystem/action-add-labels@v1
      if: |
        startsWith(github.event.pull_request.title, 'feat')
      with:
        github_token: ${{ secrets.GITHUB_TOKEN}}
        labels: new feature

    - uses: actions-ecosystem/action-add-labels@v1
      if: |
        startsWith(github.event.pull_request.title, 'style') ||
        startsWith(github.event.pull_request.title, 'refactor') ||
        startsWith(github.event.pull_request.title, 'perf') ||
        startsWith(github.event.pull_request.title, 'test') ||
        startsWith(github.event.pull_request.title, 'chore')
      with:
        github_token: ${{ secrets.GITHUB_TOKEN}}
        labels: enhancement

    - uses: actions-ecosystem/action-add-labels@v1
      if: |
        startsWith(github.event.pull_request.title, 'build') ||
        startsWith(github.event.pull_request.title, 'revert') ||
        startsWith(github.event.pull_request.title, 'maint')
      with:
        github_token: ${{ secrets.GITHUB_TOKEN}}
        labels: maintenance
      
    - uses: actions-ecosystem/action-add-labels@v1
      if: |
        startsWith(github.event.pull_request.title, 'doc') || 
        startsWith(github.event.pull_request.title, 'docs')
      with:
        github_token: ${{ secrets.GITHUB_TOKEN}}
        labels: documentation

    - uses: actions-ecosystem/action-add-labels@v1
      if: |
        startsWith(github.event.pull_request.title, 'docker') ||
        startsWith(github.event.pull_request.title, 'no-ci') ||
        startsWith(github.event.pull_request.title, 'ci')
      with:
        github_token: ${{ secrets.GITHUB_TOKEN}}
        labels: CI/CD

  commenter:
    runs-on: ubuntu-latest
    needs: [labeler]
    permissions:
      pull-requests: write
    steps:
    - name: Suggest to add labels
      uses: peter-evans/create-or-update-comment@v4
      # Execute only when no labels have been applied to the pull request
      if: toJSON(github.event.pull_request.labels.*.name) == '{}' # Empty labels
      with:
        token: ${{ secrets.GITHUB_TOKEN }}
        issue-number: ${{ github.event.pull_request.number }}
        body: |
          Please add one of the following labels to add this contribution to the Release Notes :point_down:
          - [bug](https://github.com/ansys/pymapdl/pulls?q=label%3Abug+)
          - [new feature](https://github.com/ansys/pymapdl/pulls?q=label%3A"new%20feature"+)
          - [enhancement](https://github.com/ansys/pymapdl/pulls?q=label%3Aenhancement+)
          - [documentation](https://github.com/ansys/pymapdl/pulls?q=label%3Adocumentation+)
          - [examples](https://github.com/ansys/pymapdl/pulls?q=label%3Aexamples+)
          - [maintenance](https://github.com/ansys/pymapdl/pulls?q=label%3Amaintenance+)
          - [CI/CD](https://github.com/ansys/pymapdl/pulls?q=label%3Aci%2Fcd+)

  changelog-fragment:
    name: "Create changelog fragment"
    needs: [labeler]
    permissions:
      contents: write
      pull-requests: write
    runs-on: ubuntu-latest
    steps:
    - uses: ansys/actions/doc-changelog@v8
      with:
        bot-user: ${{ secrets.PYANSYS_CI_BOT_USERNAME }}
        bot-email: ${{ secrets.PYANSYS_CI_BOT_EMAIL }}
        token: ${{ secrets.PYANSYS_CI_BOT_TOKEN }}