# Build the wasm web app and publish it to GitHub Pages on every release
# (issue #45). No threads are used on wasm (rayon runs sequentially), so the
# COOP/COEP headers GitHub Pages can't set are not needed.
name: Deploy web (GitHub Pages)

on:
  release:
    types: [published]
  workflow_dispatch:

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

# Allow only one Pages deployment at a time.
concurrency:
  group: pages
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4

      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: wasm32-unknown-unknown

      - uses: Swatinem/rust-cache@v2

      - name: Install trunk
        uses: taiki-e/install-action@v2
        with:
          tool: trunk

      # The rust <link> in index.html sets `data-cargo-no-default-features`,
      # so this drops the `solid3d` feature (truck-meshalgo → lzma-sys C deps
      # that can't cross-compile to wasm). `--public-url` matches the project
      # page sub-path: https://<user>.github.io/OpenCADStudio/.
      - name: Build web bundle
        run: trunk build --release --public-url /OpenCADStudio/

      # GitHub Pages runs Jekyll, which ignores files; opt out so the
      # wasm-bindgen output is served verbatim.
      - run: touch dist/.nojekyll

      - uses: actions/upload-pages-artifact@v3
        with:
          path: dist

  deploy:
    needs: build
    runs-on: ubuntu-22.04
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - id: deployment
        uses: actions/deploy-pages@v4
