name: Build revive-wasm
on:
  push:
    branches: ["main"]
  pull_request:
    branches: ["main"]
  workflow_dispatch:

env:
  CARGO_TERM_COLOR: always
  REVIVE_WASM_INSTALL_DIR: ${{ github.workspace }}/target/wasm32-unknown-emscripten/release
  BUN_VERSION: 1.1.43

jobs:
  build-revive-wasm:
    runs-on: parity-large
    defaults:
      run:
        shell: bash
    steps:
      - uses: actions/checkout@v4

      - name: Cache LLVM build
        id: cache-llvm
        uses: actions/cache@v3
        with:
          path: |
            target-llvm/emscripten/target-final
            target-llvm/gnu/target-final
          # Use a unique key based on LLVM version or configuration files to avoid cache invalidation
          key: llvm-build-${{ runner.os }}-${{ hashFiles('LLVM.lock', 'Cargo.toml', 'Cargo.lock', 'crates/llvm-builder/**', '.github/workflows/build-revive-wasm.yml') }}

      - name: Install system dependencies
        run: |
          sudo apt-get update && sudo apt-get install -y cmake ninja-build curl git libssl-dev pkg-config clang lld

      - name: Install Rust stable toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          components: rust-src
          target: wasm32-unknown-emscripten

      - name: Install LLVM build dependencies
        run: |
          make install-llvm-builder
          revive-llvm --target-env emscripten clone

      - name: Setup revive environment variables
        run: |
          echo "LLVM_SYS_181_PREFIX=$(pwd)/target-llvm/gnu/target-final" >> $GITHUB_ENV
          echo "REVIVE_LLVM_TARGET_PREFIX=$(pwd)/target-llvm/emscripten/target-final" >> $GITHUB_ENV

      - name: Build host LLVM
        if: steps.cache-llvm.outputs.cache-hit != 'true'
        run: |
          revive-llvm build

      - name: Build target LLVM
        if: steps.cache-llvm.outputs.cache-hit != 'true'
        run: |
          source emsdk/emsdk_env.sh
          revive-llvm --target-env emscripten build

      - run: |
          rustup show
          cargo --version
          rustup +nightly show
          cargo +nightly --version
          cmake --version
          bash --version

      - name: Use Cached LLVM
        if: steps.cache-llvm.outputs.cache-hit == 'true'
        run: |
          echo "Using cached LLVM"

      - name: Build revive
        run: |
          source emsdk/emsdk_env.sh
          make install-wasm

      - uses: actions/upload-artifact@v4
        with:
          name: revive-wasm
          path: |
            ${{ env.REVIVE_WASM_INSTALL_DIR }}/resolc.js
            ${{ env.REVIVE_WASM_INSTALL_DIR }}/resolc.wasm
          retention-days: 1

  test-revive-wasm:
    needs: build-revive-wasm
    strategy:
      matrix:
        os: ["ubuntu-24.04", "macos-14", "windows-2022"]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4

      - name: Create Target Directory
        run: mkdir -p ${{ env.REVIVE_WASM_INSTALL_DIR }}

      - name: Download Artifact
        uses: actions/download-artifact@v4
        with:
          name: revive-wasm
          path: ${{ env.REVIVE_WASM_INSTALL_DIR }}

      - name: Set Up Node.js
        uses: actions/setup-node@v3
        with:
          node-version: "20"

      - name: Install Bun on Windows
        if: runner.os == 'Windows'
        run: |
          Set-ExecutionPolicy RemoteSigned -Scope CurrentUser
          iex (new-object net.webclient).downloadstring('https://get.scoop.sh')
          scoop install bun@${{ env.BUN_VERSION }}
          scoop install wget
          Join-Path (Resolve-Path ~).Path "scoop\shims" >> $Env:GITHUB_PATH

      - name: Install Bun on macOS and Linux
        if: runner.os != 'Windows'
        run: |
          curl -fsSL https://bun.sh/install | bash -s bun-v${{ env.BUN_VERSION }}
          echo "$HOME/.bun/bin" >> $GITHUB_PATH

      - name: Install packages
        run: npm install

      - name: Run Playwright tests
        run: |
          cd js
          npx playwright install --with-deps
          npx playwright test

      - name: Test revive
        run: |
          echo "Running tests for ${{ matrix.os }}"
          npm run test:wasm