name: Build and deploy docs

on:
  push:
    branches: [main]
    paths:
      - "api/**"
      - "shared/**"
      - "mod.ts"
      - "deno.json"
      - "deno.lock"
      - ".gitea/workflows/docs.yaml"
  workflow_dispatch:

env:
  # Same Deno as the Docker image (Dockerfile).
  DENO_VERSION: "2.9.0"

jobs:
  build-and-push:
    runs-on: ubuntu-latest

    permissions:
      contents: write

    steps:
      - uses: actions/checkout@v4

      - uses: denoland/setup-deno@v2
        with:
          deno-version: ${{ env.DENO_VERSION }}

      - name: Build docs
        # `deno doc` writes relative links, so the site works under whatever
        # path the gitea-pages proxy serves it from
        # (https://pub.sqrt.fr/<owner>/<repo>/).
        run: deno task doc

      - name: Deploy docs
        uses: peaceiris/actions-gh-pages@v4
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          force_orphan: true
          publish_branch: gh-pages
          publish_dir: ./docs