name: Spell Checker

on:
  push:
    branches:
      - main

  pull_request:

jobs:
  spell_checking:
    name: LanguageTool
    runs-on: ubuntu-latest

    permissions:
      checks: write
      contents: read
      pull-requests: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          # Keep this value in order to show the error comments
          # also on edited files.
          fetch-depth: 2

      # If the workflow is triggered by a push use check reporter
      #
      # If the workflow is triggered by a PR coming from the
      # same repository, the author has write access so we can
      # use pr-review reporter since the GITHUB_TOKEN will have review
      # write permissions
      #
      # Otherwise use annotation reporter that do not require any
      # particular permission
      #
      # Why this?
      # https://github.com/Valerioageno/tuono/pull/137#pullrequestreview-2455455272
      - name: Set reporter
        id: reporter
        env:
          EVENT_NAME: ${{ github.event_name }}
          FROM_MAIN_REPO: ${{ github.event.pull_request.head.repo.full_name == github.event.pull_request.base.repo.full_name }}
        run: |
          echo "EVENT_NAME: $EVENT_NAME FROM_MAIN_REPO: $FROM_MAIN_REPO"
          if [ "$EVENT_NAME" == 'push' ]; then
            echo "name=github-check" >> $GITHUB_OUTPUT
          elif [ "$FROM_MAIN_REPO" == 'true' ]; then
            echo "name=github-pr-review" >> $GITHUB_OUTPUT
          else
            echo "name=github-pr-annotations" >> $GITHUB_OUTPUT
          fi

      - name: Review dog languagetool
        uses: reviewdog/action-languagetool@v1
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          # Change reviewdog reporter if you need [github-pr-check,github-check,github-pr-review].
          reporter: ${{ steps.reporter.outputs.name }}
          # Change reporter level if you need.
          level: 'warning'
          patterns: '**/*.md **/*.txt **/*.mdx'
          # enabled_categories: "STYLE,PLAIN_ENGLISH,WHITESPACE_RULE,EN_QUOTES,DASH_RULE,WORD_CONTAINS_UNDERSCORE,UPPERCASE_SENTENCE_START,ARROWS,COMMA_PARENTHESIS_WHITESPACE,UNLIKELY_OPENING_PUNCTUATION,SENTENCE_WHITESPACE,EN_UNPAIRED_BRACKETS,PHRASE_REPETITION,PUNCTUATION_PARAGRAPH_END"
          disabled_categories: ''
          disabled_rules: ''