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:
      - name: Harden runner
        uses: step-security/harden-runner@1d88384fd173af6ecb012dfd0264a306b711241a # v2.22.4
        with:
          egress-policy: audit
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false
      - uses: step-security/dtolnay-rust-toolchain@8dd607977d06adf4ed49b190381e74c17a9dd25f # v1.0.0
        with:
          toolchain: stable
          components: rustfmt, clippy
          targets: wasm32-unknown-unknown
      - uses: step-security/rust-cache@8871c8ba063416da7c32246932ea6ae08700453e # v2.9.2
        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" >> "$GITHUB_OUTPUT"
      - name: Install the matching WASM test runner
        # A prebuilt, checksum-verified binary instead of building it from source on every run.
        # A version the pinned action does not list yet falls back to `cargo install --locked`.
        uses: step-security/taiki-e-install-action@76747d22a7567cc4438546a84f11bdf18e670ab8 # v2.87.32
        with:
          tool: wasm-bindgen@${{ steps.wasm-bindgen.outputs.version }}
          fallback: cargo-install
      - run: cargo test -p craft-web-host --locked --target wasm32-unknown-unknown