name: Omath CI

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

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


##############################################################################
# 1)  Arch Linux  –  Clang / Ninja
##############################################################################
jobs:
  arch-build-and-test:
    name: Arch Linux (Clang) (x64-linux)
    runs-on: ubuntu-latest
    container: archlinux:latest
    env:
      VCPKG_ROOT: ${{ github.workspace }}/vcpkg
    steps:
      - name: Install basic tool-chain with pacman
        shell: bash
        run: |
          pacman -Sy --noconfirm archlinux-keyring
          pacman -Syu --noconfirm --needed \
                 git base-devel clang cmake ninja zip unzip fmt

      - 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 linux-release-vcpkg -DOMATH_BUILD_TESTS=ON -DOMATH_BUILD_BENCHMARK=OFF -DVCPKG_MANIFEST_FEATURES="imgui;avx2;tests"

      - name: Build
        shell: bash
        run: cmake --build cmake-build/build/linux-release-vcpkg --target unit_tests omath

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



  ##############################################################################
  # 2)  Windows  –  MSVC / Ninja
  ##############################################################################
  windows-build-and-test:
    name: Windows (MSVC) (x64-windows)
    runs-on: windows-latest
    env:
      OMATH_BUILD_VIA_VCPKG: ON

    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

      - name: Configure (cmake --preset)
        shell: bash
        run: cmake --preset windows-release-vcpkg -DOMATH_BUILD_TESTS=ON -DOMATH_BUILD_BENCHMARK=OFF -DVCPKG_MANIFEST_FEATURES="imgui;avx2;tests"

      - name: Build
        shell: bash
        run: cmake --build cmake-build/build/windows-release-vcpkg --target unit_tests omath

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

  ##############################################################################
  # 3)  macOS  –  AppleClang / Ninja
  ##############################################################################
  macosx-build-and-test:
    name: macOS (AppleClang) (arm64-osx)
    runs-on: macOS-latest
    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 darwin-release-vcpkg -DOMATH_BUILD_TESTS=ON -DOMATH_BUILD_BENCHMARK=OFF -DVCPKG_MANIFEST_FEATURES="imgui;avx2;tests"

      - name: Build
        shell: bash
        run: cmake --build cmake-build/build/darwin-release-vcpkg --target unit_tests omath

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

  ##############################################################################
  # 4)  iOS  –  AppleClang / Xcode / arm64-ios
  ##############################################################################
  ios-build:
    name: iOS (AppleClang) (arm64-ios)
    runs-on: macOS-latest
    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 ios-release-vcpkg \
            -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/ios-release-vcpkg --config Release --target unit_tests omath

  ##############################################################################
  # 5)  FreeBSD  –  Clang / Ninja
  ##############################################################################
  freebsd-build-and-test:
    name: FreeBSD (Clang) (x64-freebsd)
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository (with sub-modules)
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Build and Test
        uses: vmactions/freebsd-vm@v1
        with:
          usesh: true
          sync: sshfs
          mem: 12288
          copyback: false
          prepare: pkg install -y git curl zip unzip gmake llvm gsed bash perl5 openssl 7-zip coreutils cmake ninja pkgconf patchelf
          run: |
            git config --global --add safe.directory `pwd`
            # Build vcpkg in /tmp to avoid sshfs timestamp sync issues
            # This prevents PCH timestamp mismatches during parallel builds
            export VCPKG_ROOT=/tmp/vcpkg
            rm -rf "$VCPKG_ROOT"
            git clone https://github.com/microsoft/vcpkg "$VCPKG_ROOT"
            cd "$VCPKG_ROOT"
            # Bootstrap vcpkg - it will build from source on FreeBSD
            # Building in /tmp avoids sshfs timestamp issues that break PCH
            ./bootstrap-vcpkg.sh
            cd -
            export VCPKG_FORCE_SYSTEM_BINARIES=0
            # VCPKG_ROOT is set to /tmp/vcpkg, which CMake will use via the preset
            cmake --preset freebsd-release-vcpkg -DOMATH_BUILD_TESTS=ON -DOMATH_BUILD_BENCHMARK=OFF -DVCPKG_MANIFEST_FEATURES="imgui;avx2;tests" -DVCPKG_INSTALL_OPTIONS="--allow-unsupported"
            cmake --build cmake-build/build/freebsd-release-vcpkg --target unit_tests omath
            ./out/Release/unit_tests

  ##############################################################################
  # 5)  Android NDK  –  Clang / Ninja / arm64-android
  ##############################################################################
  android-build-and-test:
    name: Android NDK (arm64-android)
    runs-on: ubuntu-latest
    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="r28c"
          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
          echo "Android NDK installed at: ${ANDROID_NDK_HOME}"
          ls -la "${ANDROID_NDK_HOME}" | head -5

      - 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 android-release-vcpkg \
            -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/android-release-vcpkg --target unit_tests omath