name: "Book - PR"

on:
  pull_request:
    types:
      - opened
      - reopened
      - synchronize
    paths:
      - ".forgejo/workflows/book-pr.yaml"
      - "book/**"

concurrency:
  group: page-preview
  cancel-in-progress: false

jobs:
  createPreview:
    runs-on: nix
    env:
      SITE_ORIGIN:
        "https://${{ forge.event.repository.owner.username
        }}.preview.codeberg.page"
      SITE_BASEPATH:
        "/${{ forge.event.repository.name }}@${{ forge.event.number }}/"
    steps:
      - uses: actions/checkout@v4
      - uses: https://codeberg.org/icewind/attic-action@v1
        with:
          name: link
          instance: https://cache.icewind.link
          authToken: "${{ secrets.ATTIC_TOKEN }}"
      - name: Build
        run: |
          # git-pages/action doesn't like symlinks
          cp -r $(nix build .#haze-book --print-out-paths --no-link) dist
      - name: "Deploy Site"
        uses: https://code.forgejo.org/actions/git-pages@v2
        with:
          site: "${{ env.SITE_ORIGIN }}${{ env.SITE_BASEPATH }}" #
          token: "${{ forge.token }}" #
          source: "dist/" #
      - name: "Find comment"
        uses: "https://github.com/peter-evans/find-comment@v4" #
        id: comment
        with:
          issue-number: ${{ forge.event.number }} #
          body-includes: "<!-- preview-comment -->" #
      - name: "Create or update comment"
        uses: "https://github.com/peter-evans/create-or-update-comment@v5" #
        with:
          issue-number: ${{ forge.event.number }} #
          comment-id: "${{ steps.comment.outputs.comment-id }}" #
          edit-mode: "replace"
          body: |-
            # Pull request preview ready!

            The Preview of commit ${{ forge.event.pull_request.head.sha }} has been created.
            You can find it here: ${{ env.SITE_ORIGIN }}${{ env.SITE_BASEPATH }}

            <!-- preview-comment -->