# This workflow will triage pull requests and apply a label based on the
# paths that are modified in the pull request.
#
# To use this workflow, you will need to set up a .github/labeler.yml
# file with configuration.  For more information, see:
# https://github.com/actions/labeler/blob/master/README.md

name: "Lint ChangeLog"
on:
  workflow_dispatch:
  pull_request:
    types:
      - opened
      - reopened
      - synchronize
      - ready_for_review
      - edited

jobs:
  lint-changelog:
    if: ${{ !github.event.pull_request.draft }}

    runs-on: ubuntu-latest
    timeout-minutes: 10

    steps:
      - name: Skip ChangeLog lint
        id: skip
        if: ${{ github.event_name == 'pull_request' && contains(github.event.pull_request.body, '{no-changelog-lint}') }}
        run: echo "skip=1" >> $GITHUB_OUTPUT

      - name: Get changes
        if: ${{ !steps.skip.outputs.skip }}
        id: file_changes
        uses: trilom/file-changes-action@v1.2.4
        with:
          output: ","

      - name: Show modified
        if: ${{ !steps.skip.outputs.skip }}
        run: echo '${{ steps.file_changes.outputs.files_modified}}'

      - name: Check
        if: ${{ !steps.skip.outputs.skip }}
        id: check
        continue-on-error: true
        run: |
          if [[ "${{ steps.file_changes.outputs.files_modified}}" != *"ChangeLog"* ]]; then
            exit 1
          fi

      - name: PR comment (no lint hint)
        if: ${{ steps.check.outcome == 'failure' }}
        uses: marocchino/sticky-pull-request-comment@v2
        with:
          header: lint-changelog-tip
          message: |
            ❌ `ChangeLog` lint failed: It looks like you didn't add to the `ChangeLog` file.

            🛠️ Please either add to `ChangeLog` or add `{no-changelog-lint}` to the PR description to skip this check.

      - name: Delete PR comment
        if: ${{ steps.skip.outputs.skip || steps.check.outcome == 'success' }}
        uses: marocchino/sticky-pull-request-comment@v2
        with:
          header: lint-changelog-tip
          delete: true

      - name: Fail if no ChangeLog
        if: ${{ steps.check.outcome == 'failure' }}
        run: exit 1