name: Build Wasm Modules
on: [ push, pull_request ]

env:
  SERENITY_SOURCE_DIR: ${{ github.workspace }}

concurrency: wasm

jobs:
  build:
    runs-on: ubuntu-22.04
    if: github.repository == 'SerenityOS/serenity'
    strategy:
      fail-fast: false
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-python@v4
        with:
          python-version: '3.x'
      - name: "Install Ubuntu dependencies"
        run: |
          sudo apt-get update
          sudo apt-get install -y ninja-build gcc-12 g++-12 libstdc++-12-dev
      - name: "Install emscripten"
        uses: mymindstorm/setup-emsdk@v12
        with:
          version: 3.1.6
      - name: "Check versions"
        run: |
          set +e
          emcc --version
          ninja --version
          gcc --version
      - name: "Create build directories"
        run: |
          mkdir -p ${{ github.workspace }}/Build/caches/TZDB
          mkdir -p ${{ github.workspace }}/Build/caches/UCD
          mkdir -p ${{ github.workspace }}/Build/caches/CLDR
      - name: "TimeZoneData cache"
        uses: actions/cache@03e00da99d75a2204924908e1cca7902cafce66b
        with:
          path: ${{ github.workspace }}/Build/caches/TZDB
          key: TimeZoneData-${{ hashFiles('Meta/CMake/time_zone_data.cmake') }}
      - name: "UnicodeData cache"
        uses: actions/cache@03e00da99d75a2204924908e1cca7902cafce66b
        with:
          path: ${{ github.workspace }}/Build/caches/UCD
          key: UnicodeData-${{ hashFiles('Meta/CMake/unicode_data.cmake') }}
      - name: "UnicodeLocale cache"
        uses: actions/cache@03e00da99d75a2204924908e1cca7902cafce66b
        with:
          path: ${{ github.workspace }}/Build/caches/CLDR
          key: UnicodeLocale-${{ hashFiles('Meta/CMake/locale_data.cmake') }}
      - name: "Build host lagom tools"
        run: |
          cmake -GNinja \
            -B ${{ github.workspace }}/Build/lagom-tools \
            -S ${{ github.workspace }}/Meta/Lagom \
            -DBUILD_LAGOM=OFF \
            -DSERENITY_CACHE_DIR=${{ github.workspace }}/Build/caches \
            -DCMAKE_C_COMPILER=gcc-12 \
            -DCMAKE_CXX_COMPILER=g++-12 \
            -DCMAKE_INSTALL_PREFIX=${{ github.workspace }}/Build/lagom-tools \
            -Dpackage=LagomTools

          ninja -C ${{ github.workspace }}/Build/lagom-tools install
      - name: "Create wasm build environment"
        run: |
          emcmake cmake -GNinja \
            -B ${{ github.workspace }}/Build/wasm \
            -S ${{ github.workspace }}/Meta/Lagom \
            -DLagomTools_DIR=${{ github.workspace }}/Build/lagom-tools/share/LagomTools \
            -DBUILD_LAGOM=ON \
            -DSERENITY_CACHE_DIR=${{ github.workspace }}/Build/caches \
            -DBUILD_SHARED_LIBS=OFF
      - name: "Build libjs.{js,wasm}"
        run: |
          ninja -C ${{ github.workspace }}/Build/wasm libjs.js
      - name: "Show me what you built :)"
        run: |
          ls -l ${{ github.workspace }}/Build/wasm

      - name: "Checkout linusg/libjs-website"
        if: github.ref == 'refs/heads/master'
        uses: actions/checkout@v3
        with:
          repository: linusg/libjs-website
          path: libjs-website

      - name: "Prepare updated REPL data"
        if: github.ref == 'refs/heads/master'
        run: |
          cp ${{ github.workspace }}/Build/wasm/libjs.js libjs-website/repl/libjs.js
          cp ${{ github.workspace }}/Build/wasm/libjs.wasm libjs-website/repl/libjs.wasm
          echo 'Module.SERENITYOS_COMMIT = "${{ github.sha }}";' >> libjs-website/repl/libjs.js

      - name: "Deploy to GitHub Pages"
        if: github.ref == 'refs/heads/master'
        uses: JamesIves/github-pages-deploy-action@4.1.1
        with:
          git-config-name: BuggieBot
          git-config-email: buggiebot@serenityos.org
          branch: main
          repository-name: linusg/libjs-website
          token: ${{ secrets.BUGGIEBOT_TOKEN }}
          folder: libjs-website