name: Omath CI

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

##############################################################################
# 1)  Linux  –  Clang / Ninja
##############################################################################
jobs:
  linux-build-and-test:
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.runner }}
    strategy:
      matrix:
        include:
          - name: Linux (Clang) (x64-linux)
            triplet: x64-linux
            runner: ubuntu-latest
            preset: linux-release-vcpkg
            coverage: true
            install_cmd: |
              wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | sudo tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc
              sudo add-apt-repository -y "deb http://apt.llvm.org/noble/ llvm-toolchain-noble-21 main"
              sudo apt-get update
              sudo apt-get install -y git build-essential cmake ninja-build \
                     zip unzip curl pkg-config ca-certificates \
                     clang-21 lld-21 libc++-21-dev libc++abi-21-dev \
                     llvm-21
              sudo update-alternatives --install /usr/bin/cc cc /usr/bin/clang-21 100
              sudo update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-21 100
              sudo update-alternatives --install /usr/bin/lld lld /usr/bin/lld-21 100
          - name: Linux (Clang) (x86-linux)
            triplet: x86-linux
            runner: ubuntu-latest
            preset: linux-release-vcpkg-x86
            coverage: false
            install_cmd: |
              # Add LLVM 21 repository
              wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | sudo tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc
              sudo add-apt-repository -y "deb http://apt.llvm.org/noble/ llvm-toolchain-noble-21 main"
              # Add GCC Toolchain PPA
              sudo add-apt-repository -y "deb http://archive.ubuntu.com/ubuntu plucky main universe"
              # Enable i386 architecture
              sudo dpkg --add-architecture i386
              sudo apt-get update
              # Install Clang 21
              sudo apt-get install -y git build-essential cmake ninja-build \
                     zip unzip curl pkg-config ca-certificates \
                     clang-21 lld-21 libc++-21-dev libc++abi-21-dev
              sudo apt-get install -y -t plucky binutils
              # Install GCC 15 with multilib support
              sudo apt-get install -y gcc-15-multilib g++-15-multilib
              # Set up alternatives for Clang
              sudo update-alternatives --install /usr/bin/cc cc /usr/bin/clang-21 100
              sudo update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-21 100
              sudo update-alternatives --install /usr/bin/lld lld /usr/bin/lld-21 100
              # Set up alternatives for GCC
              sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-15 100
              sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-15 100
          - name: Linux (Clang) (arm64-linux)
            triplet: arm64-linux
            runner: ubuntu-24.04-arm
            preset: linux-release-vcpkg-arm64
            coverage: false
            install_cmd: |
              wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | sudo tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc
              sudo add-apt-repository -y "deb http://apt.llvm.org/noble/ llvm-toolchain-noble-21 main"
              sudo apt-get update
              sudo apt-get install -y git build-essential cmake ninja-build \
                     zip unzip curl pkg-config ca-certificates \
                     clang-21 lld-21 libc++-21-dev libc++abi-21-dev
              sudo update-alternatives --install /usr/bin/cc cc /usr/bin/clang-21 100
              sudo update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++-21 100
              sudo update-alternatives --install /usr/bin/lld lld /usr/bin/lld-21 100
      fail-fast: false
    env:
      VCPKG_ROOT: ${{ github.workspace }}/vcpkg
    steps:
      - name: Install basic tool-chain
        shell: bash
        run: ${{ matrix.install_cmd }}

      - name: Checkout repository (with sub-modules)
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Set up vcpkg
        shell: bash
        run: |
          git clone https://github.com/microsoft/vcpkg "$VCPKG_ROOT"
          cd "$VCPKG_ROOT"
          ./bootstrap-vcpkg.sh

      - name: Configure (cmake --preset)
        shell: bash
        run: |
          cmake --preset ${{ matrix.preset }} \
            -DVCPKG_INSTALL_OPTIONS="--allow-unsupported" \
            -DOMATH_BUILD_TESTS=ON \
            -DOMATH_BUILD_BENCHMARK=OFF \
            -DOMATH_ENABLE_COVERAGE=${{ matrix.coverage == true && 'ON' || 'OFF' }} \
            -DVCPKG_MANIFEST_FEATURES="imgui;avx2;tests"

      - name: Build
        shell: bash
        run: cmake --build cmake-build/build/${{ matrix.preset }} --target unit_tests omath

      - name: Run unit_tests
        shell: bash
        run: ./out/Release/unit_tests

      - name: Run Coverage
        if: ${{ matrix.coverage == true }}
        shell: bash
        run: |
          sudo apt-get install lcov
          chmod +x scripts/coverage-llvm.sh
          ./scripts/coverage-llvm.sh \
            "${{ github.workspace }}" \
            "cmake-build/build/${{ matrix.preset }}" \
            "./out/Release/unit_tests" \
            "cmake-build/build/${{ matrix.preset }}/coverage"

      - name: Upload Coverage Report
        if: ${{ matrix.coverage == true }}
        uses: actions/upload-artifact@v4
        with:
          name: coverage-report-linux
          path: cmake-build/build/${{ matrix.preset }}/coverage/

      - name: Upload logs on failure
        if: ${{ failure() }}
        uses: actions/upload-artifact@v4
        with:
          name: linux-build-logs-${{ matrix.triplet }}
          path: |
            cmake-build/build/${{ matrix.preset }}/**/*.log
            ${{ env.VCPKG_ROOT }}/buildtrees/**/*.log

##############################################################################
# 2)  Windows  –  MSVC / Ninja
##############################################################################
  windows-build-and-test:
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.runner }}
    strategy:
      matrix:
        include:
          - name: Windows (MSVC) (x64-windows)
            runner: windows-latest
            arch: amd64
            preset: windows-release-vcpkg
            triplet: x64-windows
          - name: Windows (MSVC) (x86-windows)
            runner: windows-latest
            arch: amd64_x86
            preset: windows-release-vcpkg-x86
            triplet: x86-windows
          - name: Windows (MSVC) (arm64-windows)
            runner: windows-11-arm
            arch: arm64
            preset: windows-release-vcpkg-arm64
            triplet: arm64-windows
      fail-fast: false
    env:
      VCPKG_ROOT: ${{ github.workspace }}/vcpkg
    steps:
      - name: Checkout repository (with sub-modules)
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Install Ninja
        uses: seanmiddleditch/gha-setup-ninja@v4

      - name: Set up MSVC developer command-prompt
        uses: ilammy/msvc-dev-cmd@v1
        with:
          arch: ${{ matrix.arch }}

      - name: Configure (cmake --preset)
        shell: bash
        run: |
          cmake --preset ${{ matrix.preset }} \
            -DOMATH_BUILD_TESTS=ON \
            -DOMATH_BUILD_BENCHMARK=OFF \
            -DOMATH_ENABLE_COVERAGE=OFF \
            -DVCPKG_MANIFEST_FEATURES="imgui;avx2;tests"

      - name: Build
        shell: bash
        run: cmake --build cmake-build/build/${{ matrix.preset }} --target unit_tests omath

      - name: Run unit_tests.exe
        shell: bash
        run: ./out/Release/unit_tests.exe

      ##########################################################################
      # Coverage (x64-windows only)
      ##########################################################################
      - name: Install LLVM
        if: ${{ matrix.triplet == 'x64-windows' }}
        run: |
          choco install llvm -y

      - name: Clean Build Directory for Coverage
        if: ${{ matrix.triplet == 'x64-windows' }}
        shell: pwsh
        run: |
          $buildDir = "cmake-build/build/${{ matrix.preset }}"
          if (Test-Path $buildDir) {
            Write-Host "Cleaning build directory to prevent compiler conflict: $buildDir"
            Remove-Item -Path $buildDir -Recurse -Force
          }

      - name: Build Debug for Coverage
        if: ${{ matrix.triplet == 'x64-windows' }}
        shell: bash
        run: |
          cmake --preset ${{ matrix.preset }} \
            -DCMAKE_C_COMPILER="C:/Program Files/LLVM/bin/clang-cl.exe" \
            -DCMAKE_CXX_COMPILER="C:/Program Files/LLVM/bin/clang-cl.exe" \
            -DCMAKE_LINKER="C:/Program Files/LLVM/bin/lld-link.exe" \
            -DOMATH_BUILD_TESTS=ON \
            -DOMATH_BUILD_BENCHMARK=OFF \
            -DOMATH_ENABLE_COVERAGE=ON \
            -DOMATH_THREAT_WARNING_AS_ERROR=OFF \
            -DCMAKE_BUILD_TYPE=Debug \
            -DVCPKG_MANIFEST_FEATURES="imgui;avx2;tests"
          cmake --build cmake-build/build/${{ matrix.preset }} --config Debug --target unit_tests omath

      - name: Run Tests (Generates .profraw)
        if: ${{ matrix.triplet == 'x64-windows' }}
        shell: pwsh
        env:
          LLVM_PROFILE_FILE: "cmake-build/build/${{ matrix.preset }}/unit_tests.profraw"
        run: |
          ./out/Debug/unit_tests.exe

      - name: Process Coverage (llvm-profdata & llvm-cov)
        if: ${{ matrix.triplet == 'x64-windows' }}
        shell: pwsh
        run: |
          $BUILD_DIR = "cmake-build/build/${{ matrix.preset }}"
          $EXE_PATH = "./out/Debug/unit_tests.exe"
          
          # 1. Merge raw profile data (essential step)
          & "C:/Program Files/LLVM/bin/llvm-profdata.exe" merge `
            -sparse "$BUILD_DIR/unit_tests.profraw" `
            -o "$BUILD_DIR/unit_tests.profdata"

          # 2. Export to LCOV format
          #    NOTE: We explicitly ignore vcpkg_installed and system headers
          & "C:/Program Files/LLVM/bin/llvm-cov.exe" export "$EXE_PATH" `
            -instr-profile="$BUILD_DIR/unit_tests.profdata" `
            -format=lcov `
            -ignore-filename-regex="vcpkg_installed|external|tests" `
            > "$BUILD_DIR/lcov.info"

          if (Test-Path "$BUILD_DIR/lcov.info") {
            Write-Host "✅ LCOV info created at $BUILD_DIR/lcov.info"
          } else {
            Write-Error "Failed to create LCOV info"
            exit 1
          }

      - name: Install LCOV (for genhtml)
        if: ${{ matrix.triplet == 'x64-windows' }}
        run: choco install lcov -y

      - name: Generate HTML Report
        if: ${{ matrix.triplet == 'x64-windows' }}
        shell: bash
        run: |
          BUILD_DIR="cmake-build/build/${{ matrix.preset }}"
          LCOV_INFO="${BUILD_DIR}/lcov.info"
          HTML_DIR="${BUILD_DIR}/coverage-html"

          # Fix paths for genhtml (Perl hates backslashes)
          sed -i 's|\\|/|g' "${LCOV_INFO}"
          
          # Locate genhtml provided by 'choco install lcov'
          # It is typically in ProgramData/chocolatey/lib/lcov/tools/bin
          GENHTML=$(find /c/ProgramData/chocolatey -name genhtml -print -quit)
          
          if [ -z "$GENHTML" ]; then
            echo "Error: genhtml executable not found"
            exit 1
          fi
          
          echo "Using genhtml: $GENHTML"
          mkdir -p "$HTML_DIR"
          
          # Run genhtml
          # Added --demangle-cpp if your version supports it, otherwise remove it
          perl "$GENHTML" \
            "${LCOV_INFO}" \
            --output-directory "$HTML_DIR" \
            --title "OMath Coverage Report" \
            --legend \
            --show-details \
            --branch-coverage \
            --ignore-errors source
            
          echo "✅ LCOV HTML report generated at $HTML_DIR"

      - name: Upload Coverage (HTML Report)
        if: ${{ matrix.triplet == 'x64-windows' }}
        uses: actions/upload-artifact@v4
        with:
          name: coverage-html-windows
          path: cmake-build/build/${{ matrix.preset }}/coverage-html/

      - name: Upload logs on failure
        if: ${{ failure() }}
        uses: actions/upload-artifact@v4
        with:
          name: windows-build-logs-${{ matrix.triplet }}
          path: |
            cmake-build/build/${{ matrix.preset }}/**/*.log
            ${{ env.VCPKG_ROOT }}/buildtrees/**/*.log

  ##############################################################################
  # 3)  macOS  –  AppleClang / Ninja
  ##############################################################################
  macosx-build-and-test:
    name: ${{ matrix.name }}
    runs-on: ${{ matrix.runner }}
    strategy:
      matrix:
        include:
          - name: macOS (AppleClang) (arm64-osx)
            runner: macos-latest
            preset: darwin-release-vcpkg
            triplet: arm64-osx
            coverage: true
          - name: macOS (AppleClang) (x64-osx)
            runner: macos-15-intel
            preset: darwin-release-vcpkg-x64
            triplet: x64-osx
            coverage: false
      fail-fast: false
    env:
      VCPKG_ROOT: ${{ github.workspace }}/vcpkg
    steps:
      - name: Install basic tool-chain with Homebrew
        shell: bash
        run: |
          brew install cmake ninja

      - name: Checkout repository (with sub-modules)
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Set up vcpkg
        shell: bash
        run: |
          git clone https://github.com/microsoft/vcpkg "$VCPKG_ROOT"
          
      - name: Configure (cmake --preset)
        shell: bash
        run: |
          cmake --preset ${{ matrix.preset }} \
            -DOMATH_BUILD_TESTS=ON \
            -DOMATH_BUILD_BENCHMARK=OFF \
            -DOMATH_ENABLE_COVERAGE=${{ matrix.coverage == true && 'ON' || 'OFF' }} \
            -DVCPKG_MANIFEST_FEATURES="imgui;avx2;tests"

      - name: Build
        shell: bash
        run: cmake --build cmake-build/build/${{ matrix.preset }} --target unit_tests omath

      - name: Run unit_tests
        shell: bash
        run: ./out/Release/unit_tests

      - name: Run Coverage
        if: ${{ matrix.coverage == true }}
        shell: bash
        run: |
          brew install lcov
          chmod +x scripts/coverage-llvm.sh
          ./scripts/coverage-llvm.sh \
            "${{ github.workspace }}" \
            "cmake-build/build/${{ matrix.preset }}" \
            "./out/Release/unit_tests" \
            "cmake-build/build/${{ matrix.preset }}/coverage"

      - name: Upload Coverage Report
        if: ${{ matrix.coverage == true }}
        uses: actions/upload-artifact@v4
        with:
          name: coverage-report-macos
          path: cmake-build/build/${{ matrix.preset }}/coverage/

      - name: Upload logs on failure
        if: ${{ failure() }}
        uses: actions/upload-artifact@v4
        with:
          name: macos-build-logs-${{ matrix.triplet }}
          path: |
            cmake-build/build/${{ matrix.preset }}/**/*.log
            ${{ env.VCPKG_ROOT }}/buildtrees/**/*.log

  ##############################################################################
  # 4)  iOS  –  AppleClang / Xcode / arm64-ios
  ##############################################################################
  ios-build:
    name: iOS (AppleClang) (${{ matrix.triplet }})
    runs-on: macOS-latest
    strategy:
      matrix:
        include:
          - triplet: arm64-ios
            preset: ios-release-vcpkg
      fail-fast: false
    env:
      VCPKG_ROOT: ${{ github.workspace }}/vcpkg
    steps:
      - name: Install CMake tooling
        shell: bash
        run: |
          brew install cmake ninja

      - name: Checkout repository (with sub-modules)
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Set up vcpkg
        shell: bash
        run: |
          git clone https://github.com/microsoft/vcpkg "$VCPKG_ROOT"
          cd "$VCPKG_ROOT"
          ./bootstrap-vcpkg.sh

      - name: Configure (cmake --preset)
        shell: bash
        run: |
          cmake --preset ${{ matrix.preset }} \
            -DVCPKG_INSTALL_OPTIONS="--allow-unsupported" \
            -DOMATH_BUILD_TESTS=ON \
            -DOMATH_BUILD_BENCHMARK=OFF \
            -DVCPKG_MANIFEST_FEATURES="imgui;tests"

      - name: Build
        shell: bash
        run: |
          cmake --build cmake-build/build/${{ matrix.preset }} --config Release --target unit_tests omath

      - name: Upload logs on failure
        if: ${{ failure() }}
        uses: actions/upload-artifact@v4
        with:
          name: ios-build-logs-${{ matrix.triplet }}
          path: |
            cmake-build/build/${{ matrix.preset }}/**/*.log
            ${{ env.VCPKG_ROOT }}/buildtrees/**/*.log

  ##############################################################################
  # 5)  FreeBSD  –  Clang / Ninja
  ##############################################################################
  freebsd-build-and-test:
    name: FreeBSD (Clang) (${{ matrix.triplet }})
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - triplet: x64-freebsd
            preset: freebsd-release-vcpkg
            arch: x86-64
      fail-fast: false
    env:
      VCPKG_ROOT: ${{ github.workspace }}/tmp/vcpkg
    steps:
      - name: Checkout repository (with sub-modules)
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Build and Test
        uses: cross-platform-actions/action@v0.31.0
        with:
          operating_system: freebsd
          architecture: ${{ matrix.arch }}
          version: '15.0'
          memory: '12G'
          cpu_count: 4
          run: |
            sudo pkg install -y git curl zip unzip gmake llvm gsed bash perl5 openssl 7-zip coreutils cmake ninja pkgconf patchelf
            git config --global --add safe.directory `pwd`
            # Build vcpkg in /tmp to avoid sshfs timestamp sync issues
            export VCPKG_ROOT=/tmp/vcpkg
            rm -rf "$VCPKG_ROOT"
            git clone https://github.com/microsoft/vcpkg "$VCPKG_ROOT"
            cd "$VCPKG_ROOT"
            ./bootstrap-vcpkg.sh
            cd -
            export VCPKG_FORCE_SYSTEM_BINARIES=0
            cmake --preset ${{ matrix.preset }} \
              -DOMATH_BUILD_TESTS=ON \
              -DOMATH_BUILD_BENCHMARK=OFF \
              -DVCPKG_MANIFEST_FEATURES="imgui;avx2;tests" \
              -DVCPKG_INSTALL_OPTIONS="--allow-unsupported"
            cmake --build cmake-build/build/${{ matrix.preset }} --target unit_tests omath
            ./out/Release/unit_tests

      - name: Upload logs on failure
        if: ${{ failure() }}
        uses: actions/upload-artifact@v4
        with:
          name: freebsd-build-logs-${{ matrix.triplet }}
          path: |
            cmake-build/build/${{ matrix.preset }}/**/*.log
            ${{ env.VCPKG_ROOT }}/buildtrees/**/*.log

  ##############################################################################
  # 6)  Android NDK  –  Clang / Ninja
  ##############################################################################
  android-build:
    name: Android NDK (${{ matrix.triplet }})
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - triplet: arm-neon-android
            preset: android-arm-neon-release-vcpkg
          - triplet: arm64-android
            preset: android-arm64-release-vcpkg
          - triplet: x64-android
            preset: android-x64-release-vcpkg
          - triplet: x86-android
            preset: android-x86-release-vcpkg
      fail-fast: false
    env:
      VCPKG_ROOT: ${{ github.workspace }}/vcpkg
      ANDROID_NDK_HOME: ${{ github.workspace }}/android-ndk
    steps:
      - name: Checkout repository (with sub-modules)
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Install Android NDK
        shell: bash
        run: |
          NDK_VERSION="r28b"
          NDK_ZIP="android-ndk-${NDK_VERSION}-linux.zip"
          wget -q "https://dl.google.com/android/repository/${NDK_ZIP}"
          unzip -q "${NDK_ZIP}" -d "${{ github.workspace }}"
          mv "${{ github.workspace }}/android-ndk-${NDK_VERSION}" "$ANDROID_NDK_HOME"
          rm "${NDK_ZIP}"
          echo "ANDROID_NDK_HOME=${ANDROID_NDK_HOME}" >> $GITHUB_ENV

      - name: Install basic tool-chain
        shell: bash
        run: |
          sudo apt-get update
          sudo apt-get install -y ninja-build cmake

      - name: Set up vcpkg
        shell: bash
        run: |
          git clone https://github.com/microsoft/vcpkg "$VCPKG_ROOT"
          cd "$VCPKG_ROOT"
          ./bootstrap-vcpkg.sh

      - name: Configure (cmake --preset)
        shell: bash
        run: |
          cmake --preset ${{ matrix.preset }} \
            -DVCPKG_INSTALL_OPTIONS="--allow-unsupported" \
            -DOMATH_BUILD_TESTS=ON \
            -DOMATH_BUILD_BENCHMARK=OFF \
            -DVCPKG_MANIFEST_FEATURES="imgui;tests"

      - name: Build
        shell: bash
        run: |
          cmake --build cmake-build/build/${{ matrix.preset }} --target unit_tests omath

      - name: Upload logs on failure
        if: ${{ failure() }}
        uses: actions/upload-artifact@v4
        with:
          name: android-build-logs-${{ matrix.triplet }}
          path: |
            cmake-build/build/${{ matrix.preset }}/**/*.log
            ${{ env.VCPKG_ROOT }}/buildtrees/**/*.log

  ##############################################################################
  # 7)  WebAssembly (Emscripten)  –  Clang / Ninja / wasm32-emscripten
  ##############################################################################
  wasm-build-and-test:
    name: WebAssembly (Emscripten) (${{ matrix.triplet }})
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - triplet: wasm32-emscripten
            preset: wasm-release-vcpkg
      fail-fast: false
    env:
      VCPKG_ROOT: ${{ github.workspace }}/vcpkg
    steps:
      - name: Checkout repository (with sub-modules)
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Install basic tool-chain
        shell: bash
        run: |
          sudo apt-get update
          sudo apt-get install -y ninja-build

      - name: Setup Emscripten
        uses: mymindstorm/setup-emsdk@v14
        with:
          version: 'latest'

      - name: Verify Emscripten
        shell: bash
        run: |
          echo "EMSDK=$EMSDK"
          emcc --version
          # Verify toolchain file exists
          ls -la "$EMSDK/upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake"

      - name: Set up vcpkg
        shell: bash
        run: |
          git clone https://github.com/microsoft/vcpkg "$VCPKG_ROOT"
          cd "$VCPKG_ROOT"
          ./bootstrap-vcpkg.sh

      - name: Configure (cmake --preset)
        shell: bash
        run: |
          cmake --preset ${{ matrix.preset }} \
            -DVCPKG_INSTALL_OPTIONS="--allow-unsupported" \
            -DOMATH_BUILD_TESTS=ON \
            -DOMATH_BUILD_BENCHMARK=OFF \
            -DVCPKG_MANIFEST_FEATURES="imgui;tests"

      - name: Build
        shell: bash
        run: |
          cmake --build cmake-build/build/${{ matrix.preset }} --target unit_tests omath

      - name: Upload logs on failure
        if: ${{ failure() }}
        uses: actions/upload-artifact@v4
        with:
          name: wasm-build-logs-${{ matrix.triplet }}
          path: |
            cmake-build/build/${{ matrix.preset }}/**/*.log
            ${{ env.VCPKG_ROOT }}/buildtrees/**/*.log

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Run WASM Unit Tests
        run: node out/Release/unit_tests.js

  ##############################################################################
  # 8)  Windows MSYS2 MinGW  –  GCC / Ninja
  ##############################################################################
  mingw-build-and-test:
    name: ${{ matrix.name }}
    runs-on: windows-latest
    strategy:
      matrix:
        include:
          - name: MINGW64 (MSYS2) (x64-mingw-dynamic)
            msystem: MINGW64
            pkg_prefix: mingw-w64-x86_64
            preset: mingw-release-vcpkg
          - name: UCRT64 (MSYS2) (x64-mingw-dynamic)
            msystem: UCRT64
            pkg_prefix: mingw-w64-ucrt-x86_64
            preset: mingw-release-vcpkg
          - name: MINGW32 (MSYS2) (x86-mingw-dynamic)
            msystem: MINGW32
            pkg_prefix: mingw-w64-i686
            preset: mingw32-release-vcpkg
      fail-fast: false
    
    defaults:
      run:
        shell: msys2 {0}
    
    env:
      VCPKG_ROOT: ${{ github.workspace }}/vcpkg
    
    steps:
      - name: Setup MSYS2
        uses: msys2/setup-msys2@v2
        with:
          msystem: ${{ matrix.msystem }}
          update: true
          install: >-
            ${{ matrix.pkg_prefix }}-toolchain
            ${{ matrix.pkg_prefix }}-cmake
            ${{ matrix.pkg_prefix }}-ninja
            ${{ matrix.pkg_prefix }}-pkg-config
            git
            base-devel

      - name: Checkout repository (with sub-modules)
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Set up vcpkg
        run: |
          git clone https://github.com/microsoft/vcpkg "$VCPKG_ROOT"
          cd "$VCPKG_ROOT"
          ./bootstrap-vcpkg.sh

      - name: Configure (cmake --preset)
        run: |
          cmake --preset ${{ matrix.preset }} \
            -DVCPKG_INSTALL_OPTIONS="--allow-unsupported" \
            -DOMATH_BUILD_TESTS=ON \
            -DOMATH_BUILD_BENCHMARK=OFF \
            -DVCPKG_MANIFEST_FEATURES="imgui;tests"

      - name: Build
        run: |
          cmake --build cmake-build/build/${{ matrix.preset }} --target unit_tests omath

      - name: Run unit_tests.exe
        run: |
          ./out/Release/unit_tests.exe

      - name: Upload logs on failure
        if: ${{ failure() }}
        uses: actions/upload-artifact@v4
        with:
          name: mingw-build-logs-${{ matrix.msystem }}
          path: |
            cmake-build/build/${{ matrix.preset }}/**/*.log
            ${{ env.VCPKG_ROOT }}/buildtrees/**/*.log