name: Reusable WASI

on:
  workflow_call:

env:
  FORCE_COLOR: 1

jobs:
  build-wasi-reusable:
    name: 'build and test'
    runs-on: ubuntu-24.04-arm
    timeout-minutes: 60
    env:
      WASMTIME_VERSION: 38.0.3
      WASI_SDK_VERSION: 25
      WASI_SDK_PATH: /opt/wasi-sdk
      CROSS_BUILD_PYTHON: cross-build/build
      CROSS_BUILD_WASI: cross-build/wasm32-wasip1
    steps:
    - uses: actions/checkout@v4
      with:
        persist-credentials: false
    # No problem resolver registered as one doesn't currently exist for Clang.
    - name: "Install wasmtime"
      uses: bytecodealliance/actions/wasmtime/setup@v1
      with:
        version: ${{ env.WASMTIME_VERSION }}
    - name: "Restore WASI SDK"
      id: cache-wasi-sdk
      uses: actions/cache@v4
      with:
        path: ${{ env.WASI_SDK_PATH }}
        key: ${{ runner.os }}-wasi-sdk-${{ env.WASI_SDK_VERSION }}
    - name: "Install WASI SDK"  # Hard-coded to x64.
      if: steps.cache-wasi-sdk.outputs.cache-hit != 'true'
      run: |
        mkdir "${WASI_SDK_PATH}" && \
        curl -s -S --location "https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-${WASI_SDK_VERSION}/wasi-sdk-${WASI_SDK_VERSION}.0-arm64-linux.tar.gz" | \
        tar --strip-components 1 --directory "${WASI_SDK_PATH}" --extract --gunzip
    - name: "Add ccache to PATH"
      run: echo "PATH=/usr/lib/ccache:$PATH" >> "$GITHUB_ENV"
    - name: "Install Python"
      uses: actions/setup-python@v5
      with:
        python-version: '3.x'
    - name: "Runner image version"
      run: echo "IMAGE_OS_VERSION=${ImageOS}-${ImageVersion}" >> "$GITHUB_ENV"
    - name: "Configure build Python"
      run: python3 Tools/wasm/wasi configure-build-python -- --config-cache --with-pydebug
    - name: "Make build Python"
      run: python3 Tools/wasm/wasi make-build-python
    - name: "Configure host"
      # `--with-pydebug` inferred from configure-build-python
      run: python3 Tools/wasm/wasi configure-host -- --config-cache
    - name: "Make host"
      run: python3 Tools/wasm/wasi make-host
    - name: "Display build info"
      run: make --directory "${CROSS_BUILD_WASI}" pythoninfo
    - name: "Test"
      run: make --directory "${CROSS_BUILD_WASI}" test