name: Windows Build
permissions:
  contents: read

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

env:
  VCPKG_VERSION: "2026.01.16"
  VCPKG_INSTALLATION_ROOT: "C:\\vcpkg"
  VCPKG_DISABLE_METRICS: "1"
  VCPKG_INSTALLED_DIR: ${{ github.workspace }}\vcpkg_installed
  VCPKG_DEFAULT_BINARY_CACHE: ${{ github.workspace }}\vcpkg_binary_cache

jobs:
  prepare-dependencies:
    name: Prepare Windows Dependencies
    runs-on: windows-latest
    outputs:
      vcpkg_cache_key: ${{ steps.generate_cache_key.outputs.key }}
    strategy:
      matrix:
        arch: [x64]

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Set up MSVC
        uses: microsoft/setup-msbuild@v3

      - name: Generate Cache Key
        id: generate_cache_key
        shell: pwsh
        run: |
          $key_value = "${{ runner.os }}-vcpkg-${{ env.VCPKG_VERSION }}-${{ matrix.arch }}-shared-${{ hashFiles('**/vcpkg.json', '**/vcpkg-configuration.json') }}-${{ hashFiles('.github/workflows/windows-build.yml') }}"
          echo "key=$key_value" >> $env:GITHUB_OUTPUT

      - name: Cache vcpkg installed packages
        id: cache-vcpkg
        uses: actions/cache@v5
        with:
          path: |
            ${{ env.VCPKG_INSTALLED_DIR }}
            ${{ env.VCPKG_DEFAULT_BINARY_CACHE }}
          key: ${{ steps.generate_cache_key.outputs.key }}
          restore-keys: |
            ${{ runner.os }}-vcpkg-${{ env.VCPKG_VERSION }}-${{ matrix.arch }}-shared-${{ hashFiles('**/vcpkg.json', '**/vcpkg-configuration.json') }}
            ${{ runner.os }}-vcpkg-${{ env.VCPKG_VERSION }}-${{ matrix.arch }}-shared-

      - name: Setup vcpkg and install dependencies
        if: steps.cache-vcpkg.outputs.cache-hit != 'true'
        run: |
          New-Item -Path "${{ env.VCPKG_INSTALLED_DIR }}" -ItemType Directory -Force
          New-Item -Path "${{ env.VCPKG_DEFAULT_BINARY_CACHE }}" -ItemType Directory -Force
          vcpkg install `
            --recurse `
            --clean-after-build `
            --triplet=${{ matrix.arch }}-windows `
            --x-install-root=${{ env.VCPKG_INSTALLED_DIR }} `
            --x-feature=test
        shell: pwsh

  prepare-static-dependencies:
    name: Prepare Windows Static Dependencies
    runs-on: windows-latest
    outputs:
      vcpkg_static_cache_key: ${{ steps.generate_static_cache_key.outputs.key }}
    strategy:
      matrix:
        arch: [x64]

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Set up MSVC
        uses: microsoft/setup-msbuild@v3

      - name: Generate Cache Key for Static Libs
        id: generate_static_cache_key
        shell: pwsh
        run: |
          $key_value = "${{ runner.os }}-vcpkg-${{ env.VCPKG_VERSION }}-${{ matrix.arch }}-static-${{ hashFiles('**/vcpkg.json', '**/vcpkg-configuration.json') }}-${{ hashFiles('.github/workflows/windows-build.yml') }}"
          echo "key=$key_value" >> $env:GITHUB_OUTPUT

      - name: Cache vcpkg static installed packages
        id: cache-vcpkg-static
        uses: actions/cache@v5
        with:
          path: |
            ${{ env.VCPKG_INSTALLED_DIR }}
            ${{ env.VCPKG_DEFAULT_BINARY_CACHE }}
          key: ${{ steps.generate_static_cache_key.outputs.key }}
          restore-keys: |
            ${{ runner.os }}-vcpkg-${{ env.VCPKG_VERSION }}-${{ matrix.arch }}-static-${{ hashFiles('**/vcpkg.json', '**/vcpkg-configuration.json') }}
            ${{ runner.os }}-vcpkg-${{ env.VCPKG_VERSION }}-${{ matrix.arch }}-static-

      - name: Setup vcpkg and install static dependencies
        if: steps.cache-vcpkg-static.outputs.cache-hit != 'true'
        shell: pwsh
        run: |
          New-Item -Path "${{ env.VCPKG_INSTALLED_DIR }}" -ItemType Directory -Force
          New-Item -Path "${{ env.VCPKG_DEFAULT_BINARY_CACHE }}" -ItemType Directory -Force
          vcpkg install `
            --recurse `
            --clean-after-build `
            --triplet=${{ matrix.arch }}-windows-static-release `
            --x-install-root=${{ env.VCPKG_INSTALLED_DIR }} `
            --x-feature=test

  build-windows:
    name: Windows MSVC Build
    runs-on: windows-latest
    needs: prepare-dependencies
    
    strategy:
      matrix:
        build_type: [Debug, Release]
        arch: [x64]
        cxx_standard: [17, 20, 23]

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Set up MSVC
        uses: microsoft/setup-msbuild@v3

      - name: Restore vcpkg installed packages
        id: cache-vcpkg-restore
        uses: actions/cache/restore@v5
        with:
          path: |
            ${{ env.VCPKG_INSTALLED_DIR }}
            ${{ env.VCPKG_DEFAULT_BINARY_CACHE }}
          key: ${{ needs.prepare-dependencies.outputs.vcpkg_cache_key }}
          restore-keys: |
            ${{ runner.os }}-vcpkg-${{ env.VCPKG_VERSION }}-${{ matrix.arch }}-shared-${{ hashFiles('**/vcpkg.json', '**/vcpkg-configuration.json') }}
            ${{ runner.os }}-vcpkg-${{ env.VCPKG_VERSION }}-${{ matrix.arch }}-shared-

      - name: Configure CMake
        shell: pwsh
        run: |
          mkdir build -ErrorAction SilentlyContinue
          cmake -B build `
            -S . `
            -DCMAKE_TOOLCHAIN_FILE=${{ env.VCPKG_INSTALLATION_ROOT }}/scripts/buildsystems/vcpkg.cmake `
            -DVCPKG_TARGET_TRIPLET=${{ matrix.arch }}-windows `
            -DVCPKG_INSTALLED_DIR=${{ env.VCPKG_INSTALLED_DIR }} `
            -DVCPKG_MANIFEST_FEATURES=test `
            -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} `
            -DCMAKE_CXX_STANDARD=${{ matrix.cxx_standard }} `
            -DCMAKE_CXX_STANDARD_REQUIRED=ON `
            -DBUILD_TESTING=ON `
            -DOPENDHT_PROXY_CLIENT=ON `
            -DOPENDHT_PROXY_SERVER=ON `
            -DOPENDHT_C=ON `
            -DOPENDHT_TOOLS=ON `
            -DOPENDHT_PYTHON=OFF `
            -DOPENDHT_DOCUMENTATION=OFF `
            -DOPENDHT_PEER_DISCOVERY=ON `
            -DOPENDHT_HTTP=ON `
            -A ${{ matrix.arch }}

      - name: Build
        run: |
          cmake --build build --config ${{ matrix.build_type }} --parallel 4
          # Copy vcpkg installed libraries to the build directory
          Copy-Item -Path "${{ env.VCPKG_INSTALLED_DIR }}\${{ matrix.arch }}-windows\lib\*.lib" -Destination "build" -Force
          Copy-Item -Path "${{ env.VCPKG_INSTALLED_DIR }}\${{ matrix.arch }}-windows\bin\*.dll" -Destination "build" -Force

      - name: Test
        if: matrix.build_type == 'Release'
        run: |
          cd build
          ctest --build-config ${{ matrix.build_type }} --output-on-failure --parallel 4

      - name: Upload build artifacts
        if: matrix.build_type == 'Release'
        uses: actions/upload-artifact@v7
        with:
          name: opendht-windows-${{ matrix.arch }}-cxx${{ matrix.cxx_standard }}-${{ matrix.build_type }}
          path: |
            build/**/*.exe
            build/**/*.dll
            build/**/*.lib
          retention-days: 7

  build-windows-static:
    name: Windows Static MSVC Build
    runs-on: windows-latest
    needs: prepare-static-dependencies
    strategy:
      matrix:
        build_type: [Release]
        arch: [x64]
        cxx_standard: [17, 20, 23]

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Set up MSVC
        uses: microsoft/setup-msbuild@v3

      - name: Restore vcpkg static installed packages
        id: cache-vcpkg-static-restore
        uses: actions/cache/restore@v5
        with:
          path: |
            ${{ env.VCPKG_INSTALLED_DIR }}
            ${{ env.VCPKG_DEFAULT_BINARY_CACHE }}
          key: ${{ needs.prepare-static-dependencies.outputs.vcpkg_static_cache_key }}
          restore-keys: |
            ${{ runner.os }}-vcpkg-${{ env.VCPKG_VERSION }}-${{ matrix.arch }}-static-${{ hashFiles('**/vcpkg.json', '**/vcpkg-configuration.json') }}
            ${{ runner.os }}-vcpkg-${{ env.VCPKG_VERSION }}-${{ matrix.arch }}-static-
      
      - name: Configure CMake for Static Build
        shell: pwsh
        run: |
          mkdir build -ErrorAction SilentlyContinue
          cmake -B build `
            -S . `
            -DCMAKE_TOOLCHAIN_FILE=${{ env.VCPKG_INSTALLATION_ROOT }}/scripts/buildsystems/vcpkg.cmake `
            -DVCPKG_TARGET_TRIPLET=${{ matrix.arch }}-windows-static-release `
            -DVCPKG_INSTALLED_DIR=${{ env.VCPKG_INSTALLED_DIR }} `
            -DVCPKG_MANIFEST_FEATURES=test `
            -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} `
            -DCMAKE_CXX_STANDARD=${{ matrix.cxx_standard }} `
            -DCMAKE_CXX_STANDARD_REQUIRED=ON `
            -DBUILD_SHARED_LIBS=OFF `
            -DBUILD_TESTING=ON `
            -DOPENDHT_PROXY_CLIENT=ON `
            -DOPENDHT_PROXY_SERVER=ON `
            -DOPENDHT_C=ON `
            -DOPENDHT_TOOLS=ON `
            -DOPENDHT_PYTHON=OFF `
            -DOPENDHT_DOCUMENTATION=OFF `
            -DOPENDHT_PEER_DISCOVERY=ON `
            -DOPENDHT_HTTP=ON `
            -A ${{ matrix.arch }}

      - name: Build Static
        shell: pwsh
        run: |
          cmake --build build --config ${{ matrix.build_type }} --parallel 4

      - name: Test Static Build
        shell: pwsh
        run: |
          cd build
          ctest --build-config ${{ matrix.build_type }} --output-on-failure --parallel 4

      - name: Upload static build artifacts
        uses: actions/upload-artifact@v7
        with:
          name: opendht-windows-static-${{ matrix.arch }}-cxx${{ matrix.cxx_standard }}-${{ matrix.build_type }}
          path: |
            build/**/*.exe
            build/**/*.lib
          retention-days: 7

  build-windows-mingw:
    name: Windows MinGW Build
    runs-on: windows-latest
    
    strategy:
      matrix:
        build_type: [Release]
        #build_type: [Debug, Release]

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Setup MinGW
        uses: msys2/setup-msys2@v2
        with:
          msystem: MINGW64
          update: true
          install: >-
            mingw-w64-x86_64-gcc
            mingw-w64-x86_64-cmake
            mingw-w64-x86_64-make
            mingw-w64-x86_64-ninja
            mingw-w64-x86_64-pkg-config
            mingw-w64-x86_64-cppunit
            mingw-w64-x86_64-readline
            mingw-w64-x86_64-ncurses
            mingw-w64-x86_64-gnutls
            mingw-w64-x86_64-nettle
            mingw-w64-x86_64-jsoncpp
            mingw-w64-x86_64-fmt
            mingw-w64-x86_64-asio
            mingw-w64-x86_64-argon2
            mingw-w64-x86_64-openssl
            mingw-w64-clang-x86_64-msgpack-cxx

      - name: Prepare dependencies from source (expected-lite, llhttp, restinio)
        shell: msys2 {0}
        env:
          LLHTTP_VERSION: "v9.2.1"
          RESTINIO_VERSION: "0.7.6"
          EXPECTED_LITE_URL: "https://raw.githubusercontent.com/martinmoene/expected-lite/master/include/nonstd/expected.hpp"
        run: |
          MSYS2_SYSROOT=$(cygpath -u "$MSYSTEM_PREFIX")

          # Install expected-lite header
          mkdir -p ${MSYS2_SYSROOT}/include/nonstd
          curl -L "${EXPECTED_LITE_URL}" -o ${MSYS2_SYSROOT}/include/nonstd/expected.hpp

          # Build and install llhttp
          mkdir llhttp
          curl -L "https://github.com/nodejs/llhttp/archive/refs/tags/release/${LLHTTP_VERSION}.tar.gz" -o llhttp.tar.gz
          tar -xzf llhttp.tar.gz -C llhttp --strip-components=1
          cd llhttp
          cmake -G "MinGW Makefiles" \
                -DCMAKE_INSTALL_PREFIX=${MSYS2_SYSROOT} \
                -DCMAKE_BUILD_TYPE=Release .
          cmake --build . --parallel 2
          cmake --install .
          cd ..
          rm -rf llhttp*
          
          # Build and install restinio
          mkdir restinio && cd restinio
          curl -L "https://github.com/Stiffstream/restinio/releases/download/v${RESTINIO_VERSION}/restinio-${RESTINIO_VERSION}.tar.bz2" -o restinio.tar.bz2
          tar -xjf restinio.tar.bz2
          cd restinio-${RESTINIO_VERSION}/dev
          cmake -G "MinGW Makefiles" \
                -DCMAKE_INSTALL_PREFIX=${MSYS2_SYSROOT} \
                -DCMAKE_BUILD_TYPE=Release \
                -DRESTINIO_TEST=Off -DRESTINIO_SAMPLE=Off -DRESTINIO_BENCHMARK=Off \
                -DRESTINIO_WITH_SOBJECTIZER=Off \
                -DRESTINIO_DEP_STANDALONE_ASIO=system -DRESTINIO_DEP_LLHTTP=system \
                -DRESTINIO_DEP_FMT=system -DRESTINIO_DEP_EXPECTED_LITE=system .
          cmake --install .
          cd ../../..
          rm -rf restinio*

          # Copy msgpack-cxx headers
          mkdir -p ${MSYS2_SYSROOT}/include/msgpack
          cp -r /clang64/include/msgpack/* ${MSYS2_SYSROOT}/include/msgpack/
          cp /clang64/include/msgpack.hpp ${MSYS2_SYSROOT}/include/msgpack.hpp

      - name: Build with MinGW
        shell: msys2 {0}
        run: |
          mkdir build_mingw
          cd build_mingw
          cmake .. \
            -G "MinGW Makefiles" \
            -DHAVE_MSGPACKCXX=ON \
            -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} \
            -DBUILD_TESTING=ON \
            -DOPENDHT_PROXY_CLIENT=ON \
            -DOPENDHT_PROXY_SERVER=ON \
            -DOPENDHT_C=ON \
            -DOPENDHT_TOOLS=ON \
            -DOPENDHT_PYTHON=OFF \
            -DOPENDHT_DOCUMENTATION=OFF \
            -DOPENDHT_PEER_DISCOVERY=ON \
            -DOPENDHT_HTTP=ON
          cmake --build . --parallel 4

      #- name: Test MinGW Build
      #  shell: msys2 {0}
      #  run: |
      #    cd build_mingw
      #    ctest --output-on-failure --parallel 4

      - name: Upload MinGW artifacts
        if: matrix.build_type == 'Release'
        uses: actions/upload-artifact@v7
        with:
          name: opendht-windows-mingw-${{ matrix.build_type }}
          path: |
            build_mingw/**/*.exe
            build_mingw/**/*.dll
            build_mingw/**/*.a
          retention-days: 7