name: Shared web host

on:
  push:
    branches: [main]
    paths: ["crates/web-host/**", "Cargo.toml", "Cargo.lock", ".github/workflows/web-host.yml"]
  pull_request:
    paths: ["crates/web-host/**", "Cargo.toml", "Cargo.lock", ".github/workflows/web-host.yml"]
  workflow_dispatch:

permissions:
  contents: read

concurrency:
  # Pull requests share one group per branch, so a newer push cancels the older run. Every other
  # run (main, manual) gets its own group: it is never cancelled or replaced while queued, so it
  # always gets to save the cache.
  group: shared-web-host-${{ github.event_name == 'pull_request' && github.ref || github.run_id }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  check:
    timeout-minutes: 20
    name: Web host lint, tests, WASM tests
    runs-on: ubuntu-latest
    env:
      CARGO_TARGET_WASM32_UNKNOWN_UNKNOWN_RUNNER: wasm-bindgen-test-runner
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false
      - uses: dtolnay/rust-toolchain@b725eda525362e7cf34af9a7243cac1e3f01a7ec # stable
        with:
          components: rustfmt, clippy
          targets: wasm32-unknown-unknown
      - uses: Swatinem/rust-cache@d1527c8f67ef9af357290475d4af4b0fab8f12e0 # v2.9.3
        with:
          key: craft-web-host
          save-if: ${{ github.ref == 'refs/heads/main' }}
      - run: cargo fmt -p craft-web-host --check
      - run: cargo clippy -p craft-web-host --all-targets --locked -- -D warnings
      - run: cargo clippy -p craft-web-host --all-targets --locked --target wasm32-unknown-unknown -- -D warnings
      - run: cargo test -p craft-web-host --locked
      - name: Read the wasm-bindgen version from Cargo.lock
        id: wasm-bindgen
        shell: bash
        run: |
          runner_version=$(grep -A1 '^name = "wasm-bindgen"$' Cargo.lock | sed -n 's/^version = "\(.*\)"$/\1/p')
          echo "version=$runner_version" >> "$GITHUB_OUTPUT"
      - name: Install the matching WASM test runner
        # A prebuilt, checksum-verified binary instead of building it from source on every run.
        # A version the pinned action does not list yet falls back to `cargo install --locked`.
        uses: taiki-e/install-action@b80e2bb2635f28eb98b9fce1e2f0887e1535c6b2 # v2.90.0
        with:
          tool: wasm-bindgen@${{ steps.wasm-bindgen.outputs.version }}
          fallback: cargo-install
      - run: cargo test -p craft-web-host --locked --target wasm32-unknown-unknown