name: "Markdown to Gempost"

on:
  workflow_dispatch:
  push:
    branches:
      - main
    paths:
      - 'markdown/incoming/**'

concurrency:
  group: md2gmi
  cancel-in-progress: false

defaults:
  run:
    shell: bash

jobs:
  setup:
    runs-on: ubuntu-latest
    outputs:
      work_to_do: ${{ steps.check_markdown.outputs.work_to_do }}
    steps:
      - uses: actions/checkout@v4
        with:
          token: ${{ secrets.MY_GH_TOKEN }}
      - name: Check for files to be processed
        id: check_markdown
        run: |
          mapfile -t md_files < <(find markdown/incoming -type f -name "*.md")
          if [ ${#md_files[@]} -eq 0 ]; then
            echo "No Markdown files to process, exiting early."
            echo "work_to_do=false" >> $GITHUB_OUTPUT
            exit 0
          else
            echo "work_to_do=true" >> $GITHUB_OUTPUT
          fi

  md2gmi:
    needs: setup
    if: needs.setup.outputs.work_to_do == 'true'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          token: ${{ secrets.MY_GH_TOKEN }}
      - uses: ./.github/actions/markdown2gempost
        with:
          input-dir: 'markdown/incoming'
          output-dir: 'gemlog'
          processed-dir: 'markdown'
      - uses: stefanzweifel/git-auto-commit-action@v5
        with:
          commit_message: 'convert Markdown post to Gempost'
          commit_author: 'github-actions[bot] <github-actions[bot]@users.noreply.github.com>'
          commit_user_email: 'github-actions[bot]@users.noreply.github.com'
          commit_user_name: 'github-actions[bot]'