name: Auto-close issues

on:
  issues:
    types: [opened]

permissions:
  issues: write

jobs:
  auto-close:
    runs-on: ubuntu-latest
    steps:
      - name: Close the issue as not planned when its title matches a blocked pattern
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          ISSUE_NUMBER: ${{ github.event.issue.number }}
          ISSUE_TITLE: ${{ github.event.issue.title }}
        run: |
          # One case-insensitive substring per line; a title matching any of
          # them gets the issue closed as not planned.
          patterns=(
            'dsh-plugin.org'
          )
          title="$(printf '%s' "$ISSUE_TITLE" | tr '[:upper:]' '[:lower:]')"
          for pattern in "${patterns[@]}"; do
            if [[ "$title" == *"$pattern"* ]]; then
              gh issue close "$ISSUE_NUMBER" --repo "$GITHUB_REPOSITORY" --reason "not planned" \
                --comment "Closed automatically: the title matches a blocked pattern (\`$pattern\`)."
              exit 0
            fi
          done
          echo "No blocked pattern matched; leaving the issue open."