name: Doc

on:
  push:
    branches: [main]

jobs:
  vimdocgen:
    runs-on: ubuntu-latest

    permissions:
      contents: write
      pull-requests: write
    env:
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    steps:
      - uses: actions/checkout@v3
      - name: Setup git
        run: |
          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          printf 'VIMDOC_BRANCH=bot/vimdoc/%s\n' ${GITHUB_REF#refs/heads/} >> $GITHUB_ENV

      - name: Checkout to vimdoc branch
        run: git checkout -b ${VIMDOC_BRANCH}

      - name: panvimdoc
        uses: kdheepak/panvimdoc@v3.0.5
        with:
          # Output vimdoc project name
          vimdoc: zenbones
          pandoc: doc/zenbones.md
          description: "A collection of contrast-based vim/neovim colorschemes"
          version: "Vim 8.1 / Nvim v0.8.0"
          treesitter: true
      - name: Create PR
        run: |
          if ! [[ -z $(git status -s) ]]; then
              git add doc/zenbones.txt
              git commit -m "chore: generated vimdoc"
              git push --force https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY} ${VIMDOC_BRANCH}
              gh pr create --fill --base ${GITHUB_REF#refs/heads/} --head ${VIMDOC_BRANCH} || true
          fi