name: "Publish"
on:
  push:
    branches: master
  delete:
    ref: "refs/heads/publish"
  workflow_dispatch:
  schedule:
    - cron: "0 */2 * * *" # every 2h

permissions:
  contents: write
  pages: write
  id-token: write

# Allow one concurrent deployment
concurrency:
  group: "pages"
  cancel-in-progress: true

jobs:
  deploy:
    runs-on: ubuntu-20.04 # change to -latest when possible
    container:
      image: ghcr.io/tecosaur/emacs-config:latest
      options: --user 0 # root
      credentials:
        username: ${{ github.actor }}
        password: ${{ secrets.GHCR_TOKEN }}

    steps:
      - name: Clone Doom to ~/.config/emacs
        run: runner 'git clone --depth 1 https://github.com/hlissner/doom-emacs ~/.config/emacs'

      - name: Get Doom's version
        id: doom-version
        run: runner 'cd ~/.config/emacs && echo "doom_hash=$(git log -1 | head -1 | awk '"'"'{print substr($2,1,8)}'"'"')"' >> $GITHUB_ENV

      - name: Cache Doom's Install
        id: doomcache
        uses: actions/cache@v2
        with:
          path: /home/runner/.config/emacs
          key: ${{ runner.os }}-doom@${{ env.doom_hash }}

      - name: Checkout config
        if: github.event_name != 'schedule' || steps.doomcache.outputs.cache-hit != 'true'
        run: runner 'git clone --depth 1 --recurse-submodules https://github.com/tecosaur/emacs-config.git ~/.config/doom'

      - name: Create bootstrap init.el
        if: github.event_name != 'schedule' || steps.doomcache.outputs.cache-hit != 'true'
        run: runner 'echo "(doom! :config literate)" > ~/.config/doom/init.el'

      - name: Install Doom
        if: github.event_name != 'schedule' || steps.doomcache.outputs.cache-hit != 'true'
        run: runner '~/.config/emacs/bin/doom install --no-env --no-fonts'

      - name: Run Doom sync
        if: github.event_name != 'schedule' || steps.doomcache.outputs.cache-hit != 'true'
        run: runner '~/.config/emacs/bin/doom sync'

      - name: Rebuild changed packages
        if: github.event_name != 'schedule' || steps.doomcache.outputs.cache-hit != 'true'
        run: runner '~/.config/emacs/bin/doom build -r'

      - name: Ensure emoji vector graphics exist
        if: github.event_name != 'schedule' || steps.doomcache.outputs.cache-hit != 'true'
        run: runner "emacs --batch --eval \"(progn (load \\\"~/.config/emacs/lisp/doom.el\\\") (require 'doom-cli) (doom-initialize-packages) (load \\\"~/.config/doom/subconf/ox-latex-emoji.el\\\") (unless (file-exists-p (expand-file-name \\\"twemoji\\\" org-latex-emoji-base-dir)) (org-latex-emoji-install \\\"twemoji\\\" t)))\""

      - name: Export config
        if: github.event_name != 'schedule' || steps.doomcache.outputs.cache-hit != 'true'
        run: runner 'cd ~/.config/doom/misc/config-publishing && ./publish.sh'

      - name: Push results
        if: (github.event_name != 'schedule' || steps.doomcache.outputs.cache-hit != 'true') && success()
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: /home/runner/.config/doom/publish
          publish_branch: publish
          force_orphan: true

      - name: Setup Pages
        if: (github.event_name != 'schedule' || steps.doomcache.outputs.cache-hit != 'true') && success()
        uses: actions/configure-pages@v2

      - name: Upload artifact
        if: (github.event_name != 'schedule' || steps.doomcache.outputs.cache-hit != 'true') && success()
        uses: actions/upload-pages-artifact@v1
        with:
          path: '/home/runner/.config/doom/publish'

      - name: Deploy to GitHub Pages
        if: (github.event_name != 'schedule' || steps.doomcache.outputs.cache-hit != 'true') && success()
        id: deployment
        uses: actions/deploy-pages@v1

      # - name: Debug over SSH (tmate)
      #   if: ${{ failure() }}
      #   uses: mxschmitt/action-tmate@v3.1