name: Deploy docs to GitHub Pages

on:
  push:
    branches:
      - master
    paths:
      - 'docs/**'
      - 'gallery/**'
      - 'images/**'
      - '.github/ci/modelslist.go'
      - '.github/workflows/gh-pages.yml'
  workflow_dispatch:

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

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

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      HUGO_VERSION: "0.146.3"
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          fetch-depth: 0  # needed for enableGitInfo
          submodules: true

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.22'
          cache: false

      - name: Setup Hugo
        uses: peaceiris/actions-hugo@v3
        with:
          hugo-version: ${{ env.HUGO_VERSION }}
          extended: true

      - name: Setup Pages
        id: pages
        uses: actions/configure-pages@v6

      - name: Generate gallery
        run: go run ./.github/ci/modelslist.go ./gallery/index.yaml > docs/static/gallery.html

      - name: Build site
        working-directory: docs
        run: |
          mkdir -p layouts/_default
          hugo --minify --baseURL "${{ steps.pages.outputs.base_url }}/"

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v5
        with:
          path: docs/public

  deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v5