name: Close Issues not using a template

on:
  issues:
    types:
      - opened

permissions:
  issues: write

jobs:
  close_issue:
    runs-on: ubuntu-latest

    steps:
      - name: Check issue headings
        uses: actions/github-script@v6
        with:
          script: |
            const issueBody = context.payload.issue.body || "";
            
            // Match Markdown headings (e.g., # Heading, ## Heading)
            const headingRegex = /^(#{1,6})\s.+/gm;
            const headings = [...issueBody.matchAll(headingRegex)];

            if (headings.length < 3) {
              // Post a comment
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.payload.issue.number,
                body: "Thank you for opening an issue! To help us review your request efficiently, please use one of the provided issue templates. If you're seeking information or have a general question, consider opening a Discussion or joining the conversation on our Discord. Thanks!"
              });

              // Close the issue
              await github.rest.issues.update({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.payload.issue.number,
                state: "closed"
              });
            }