name: windows
on:
  push:
    branches:
      - master
    tags:
      - '*'
  pull_request: {}
  workflow_dispatch:

jobs:
  build:
    strategy:
      fail-fast: true
      matrix:
        arch: [i686, x86_64, aarch64]
        os: [windows-latest, ubuntu-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
          submodules: false
      - name: Set up environment for windows-latest
        shell : bash
        if: ${{ matrix.os == 'windows-latest' }}
        run: |
          echo "wget=C:\msys64\usr\bin\wget.exe" >> $GITHUB_ENV
          echo "unzip=C:\msys64\usr\bin\unzip.exe" >> $GITHUB_ENV
          if [ ${{ matrix.arch }} = "i686" ]; then
            echo "cmake_arch=Win32" >> $GITHUB_ENV
          elif [ ${{ matrix.arch }} = "x86_64" ]; then
            echo "cmake_arch=x64" >> $GITHUB_ENV
          else
            echo "cmake_arch=ARM64" >> $GITHUB_ENV
          fi
      - name: Set up environment for ubuntu-latest
        if: ${{ matrix.os == 'ubuntu-latest' }}
        run: |
          echo "wget=wget" >> $GITHUB_ENV
          echo "unzip=unzip" >> $GITHUB_ENV
      - name: Restore timestamps
        run: |
          ${{ env.wget }} https://github.com/MestreLion/git-tools/archive/refs/heads/main.zip
          ${{ env.unzip }} main.zip
          python git-tools-main/git-restore-mtime
      - name: List build cache restore keys
        shell : bash
        run: |
          # Look for the last 9 build caches (GitHub supports max 10 including current one)
          for number in 1 2 3 4 5 6 7 8 9
          do
            id=$((${{ github.run_number }} - number))
            echo "cache_$number=windows-${{ github.ref }}-${{ matrix.arch }}-${{ matrix.os }}-$id" >> $GITHUB_ENV
          done
      - name: Handle build cache
        uses: actions/cache@v2
        with:
          path: |
            build
          key: windows-${{ github.ref }}-${{ matrix.arch }}-${{ matrix.os }}-${{ github.run_number }}
          restore-keys: |
            ${{ env.cache_1 }}
            ${{ env.cache_2 }}
            ${{ env.cache_3 }}
            ${{ env.cache_4 }}
            ${{ env.cache_5 }}
            ${{ env.cache_6 }}
            ${{ env.cache_7 }}
            ${{ env.cache_8 }}
            ${{ env.cache_9 }}
      - name: Download dependencies
        run: |
          ${{ env.wget }} https://github.com/supertuxkart/dependencies/releases/download/preview/dependencies-win-${{ matrix.arch }}.zip
          ${{ env.unzip }} dependencies-win-${{ matrix.arch }}.zip
      - name: Install MinGW for i686 or x86_64
        if: ${{ matrix.os == 'ubuntu-latest' && ( matrix.arch == 'i686' || matrix.arch == 'x86_64' ) }}
        run: |
          cd /
          sudo mkdir -p /data/mxe/usr
          cd /data/mxe/usr
          # It's compiled from https://github.com/mxe/mxe
          sudo wget https://github.com/supertuxkart/dependencies/releases/download/preview/mxe_static_mingw.zip
          sudo unzip mxe_static_mingw.zip
          sudo rm mxe_static_mingw.zip
      - name: Install MinGW for aarch64
        if: ${{ matrix.os == 'ubuntu-latest' && matrix.arch == 'aarch64' }}
        run: |
          cd /
          sudo wget https://github.com/mstorsjo/llvm-mingw/releases/download/20210423/llvm-mingw-20210423-msvcrt-ubuntu-18.04-x86_64.tar.xz
          sudo tar xf llvm-mingw-20210423-msvcrt-ubuntu-18.04-x86_64.tar.xz
          sudo mv llvm-mingw-20210423-msvcrt-ubuntu-18.04-x86_64 llvm-mingw
      - name: Set up MinGW Toolchain for i686
        if: ${{ matrix.os == 'ubuntu-latest' && matrix.arch == 'i686' }}
        run: |
          echo "SET(CMAKE_SYSTEM_NAME Windows)" > toolchain.cmake
          echo "SET(CMAKE_C_COMPILER /data/mxe/usr/bin/i686-w64-mingw32.static.posix.dw2-gcc)" >> toolchain.cmake
          echo "SET(CMAKE_CXX_COMPILER /data/mxe/usr/bin/i686-w64-mingw32.static.posix.dw2-g++)" >> toolchain.cmake
          echo "SET(CMAKE_RC_COMPILER /data/mxe/usr/bin/i686-w64-mingw32.static.posix.dw2-windres)" >> toolchain.cmake
          echo "SET(CMAKE_FIND_ROOT_PATH \${PROJECT_SOURCE_DIR}/dependencies-win-i686 /data/mxe/usr/i686-w64-mingw32.static.posix.dw2/ /data/mxe/usr/lib/gcc/i686-w64-mingw32.static.posix.dw2/5.5.0/)" >> toolchain.cmake
          echo "set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)" >> toolchain.cmake
          echo "set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ALWAYS)" >> toolchain.cmake
          echo "set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)" >> toolchain.cmake
      - name: Set up MinGW Toolchain for x86_64
        if: ${{ matrix.os == 'ubuntu-latest' && matrix.arch == 'x86_64' }}
        run: |
          echo "SET(CMAKE_SYSTEM_NAME Windows)" > toolchain.cmake
          echo "SET(CMAKE_C_COMPILER /data/mxe/usr/bin/x86_64-w64-mingw32.static.posix.seh-gcc)" >> toolchain.cmake
          echo "SET(CMAKE_CXX_COMPILER /data/mxe/usr/bin/x86_64-w64-mingw32.static.posix.seh-g++)" >> toolchain.cmake
          echo "SET(CMAKE_RC_COMPILER /data/mxe/usr/bin/x86_64-w64-mingw32.static.posix.seh-windres)" >> toolchain.cmake
          echo "SET(CMAKE_FIND_ROOT_PATH \${PROJECT_SOURCE_DIR}/dependencies-win-x86_64 /data/mxe/usr/x86_64-w64-mingw32.static.posix.seh/ /data/mxe/usr/lib/gcc/x86_64-w64-mingw32.static.posix.seh/5.5.0/)" >> toolchain.cmake
          echo "set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)" >> toolchain.cmake
          echo "set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ALWAYS)" >> toolchain.cmake
          echo "set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)" >> toolchain.cmake
      # Manually specify CMAKE_SYSTEM_PROCESSOR, it can only be set together with -DDCMAKE_SYSTEM_NAME
      - name: Configure bulid for MSVC
        if: ${{ matrix.os == 'windows-latest' }}
        run: |
          mkdir -Force build
          cd build
          cmake .. -G "Visual Studio 16 2019" -DCMAKE_SYSTEM_NAME=Windows -DCMAKE_SYSTEM_PROCESSOR=${{ matrix.arch }} -A ${{ env.cmake_arch }} -DCHECK_ASSETS=OFF
      - name: Configure bulid for MinGW (i686 or x86_64)
        if: ${{ matrix.os == 'ubuntu-latest' && matrix.arch != 'aarch64' }}
        run: |
          mkdir -p build
          cd build
          cmake .. -DCMAKE_TOOLCHAIN_FILE=../toolchain.cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCHECK_ASSETS=OFF -DUSE_DIRECTX=ON
      - name: Configure bulid for MinGW (aarch64)
        if: ${{ matrix.os == 'ubuntu-latest' && matrix.arch == 'aarch64' }}
        run: |
          mkdir -p build
          cd build
          cmake .. -DLLVM_ARCH=aarch64 -DLLVM_PREFIX=/llvm-mingw -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchain-llvm-mingw.cmake -DCHECK_ASSETS=OFF -DUSE_DIRECTX=ON
      - name: Build for MSVC
        if: ${{ matrix.os == 'windows-latest' }}
        working-directory: build
        run: |
          cmake --build . --config Debug
      - name: Build for MinGW
        if: ${{ matrix.os == 'ubuntu-latest' }}
        working-directory: build
        run: |
          make -j4
          cd ..
          mv COPYING tools
      - name: Upload binaries of MinGW
        if: ${{ matrix.os == 'ubuntu-latest' }}
        uses: actions/upload-artifact@v2
        with:
          name: ${{ matrix.arch }}
          path: build/bin/*
      - name: Upload stk-code/data
        # We only need to upload stk-code/data once
        if: ${{ matrix.os == 'ubuntu-latest' && matrix.arch == 'i686'}}
        uses: actions/upload-artifact@v2
        with:
          name: data
          path: data
      - name: Upload stk-code/tools
        # We only need to upload stk-code/tools once
        if: ${{ matrix.os == 'ubuntu-latest' && matrix.arch == 'i686'}}
        uses: actions/upload-artifact@v2
        with:
          name: tools
          path: tools
      - name: Remove built binaries for less cache size
        shell : bash
        run: |
          rm -rf build/Debug
          rm -rf build/bin

  packaging:
    name: Packaging STK
    needs: build
    runs-on: windows-latest
    steps:
      - name: Configure packaging name for git master branch
        shell : bash
        if: ${{ github.ref == 'refs/heads/master' }}
        run: |
          echo "release_tag=git`date +%Y%m%d`" >> $GITHUB_ENV
          echo "release_name=preview" >> $GITHUB_ENV
      - name: Configure packaging name for tag
        shell : bash
        if: ${{ startsWith(github.ref, 'refs/tags/') }}
        run: |
          echo "release_tag=`basename $GITHUB_REF`" >> $GITHUB_ENV
          echo "release_name=`basename $GITHUB_REF`" >> $GITHUB_ENV
      - name: Configure packaging name for non-releasing branch
        shell : bash
        if: ${{ (github.ref != 'refs/heads/master' && !startsWith(github.ref, 'refs/tags/')) || github.repository_owner != 'supertuxkart' }}
        run: |
          echo "release_tag=" >> $GITHUB_ENV
          echo "release_name=" >> $GITHUB_ENV
      - name: Check for prerelease
        shell : bash
        if: ${{ github.ref == 'refs/heads/master' || contains(github.ref, 'rc') || contains(github.ref, 'beta') }}
        run: |
          echo "release_pre=true" >> $GITHUB_ENV
      - name: Check for non-prerelease
        shell : bash
        if: ${{ github.ref != 'refs/heads/master' && !contains(github.ref, 'rc') && !contains(github.ref, 'beta') }}
        run: |
          echo "release_pre=false" >> $GITHUB_ENV
      - name: Show packaging name
        shell : bash
        run : |
          echo "${{ env.release_tag }}"
          echo "${{ env.release_name }}"
          echo "${{ env.release_pre }}"
      - name: Download MinGW binaries and data
        uses: actions/download-artifact@v2
      - name: Generate .pdb files
        if: ${{ env.release_tag != '' }}
        run: |
          C:\msys64\usr\bin\wget.exe https://github.com/supertuxkart/dependencies/releases/download/preview/cv2pdb.exe
          cd i686
          ..\cv2pdb.exe supertuxkart.exe
          cd ..
          cd x86_64
          ..\cv2pdb.exe supertuxkart.exe
      - name: Downloading stk-assets
        if: ${{ env.release_tag != '' }}
        run: |
          C:\msys64\usr\bin\wget.exe https://github.com/supertuxkart/stk-assets-mobile/releases/download/git/stk-assets-full.zip
          mkdir stk-assets
          cd stk-assets
          unzip ..\stk-assets-full.zip
      - name: Move folders
        shell : bash
        if: ${{ env.release_tag != '' }}
        run: |
          mkdir SuperTuxKart-${{ env.release_tag }}-win
          mv stk-assets SuperTuxKart-${{ env.release_tag }}-win
          mkdir SuperTuxKart-${{ env.release_tag }}-win/stk-code
          mv data SuperTuxKart-${{ env.release_tag }}-win/stk-code
          mv tools/run_game.bat SuperTuxKart-${{ env.release_tag }}-win
          mkdir SuperTuxKart-${{ env.release_tag }}-win/stk-code/build-i686
          mkdir SuperTuxKart-${{ env.release_tag }}-win/stk-code/build-x86_64
          mkdir SuperTuxKart-${{ env.release_tag }}-win/stk-code/build-aarch64
          mv i686 SuperTuxKart-${{ env.release_tag }}-win/stk-code/build-i686/bin
          mv x86_64 SuperTuxKart-${{ env.release_tag }}-win/stk-code/build-x86_64/bin
          mv aarch64 SuperTuxKart-${{ env.release_tag }}-win/stk-code/build-aarch64/bin
          # libwinpthread-1.dll is useless because we statically link
          rm -f SuperTuxKart-${{ env.release_tag }}-win/stk-code/build-aarch64/bin/libwinpthread-1.dll
      - name: Start packaging STK
        if: ${{ env.release_tag != '' }}
        run: |
          C:\msys64\usr\bin\zip.exe -r SuperTuxKart-${{ env.release_tag }}-win.zip SuperTuxKart-${{ env.release_tag }}-win
      - name: Configure NSIS script
        shell : bash
        if: ${{ env.release_tag != '' && startsWith(github.ref, 'refs/tags/') }}
        run: |
          mv tools SuperTuxKart-${{ env.release_tag }}-win/stk-code
          cd SuperTuxKart-${{ env.release_tag }}-win/stk-code/tools/windows_installer
          for arch in i686 x86_64 aarch64
          do
            cp supertuxkart-github-actions.nsi $arch.nsi
            sed -i "s/define APPNAMEANDVERSION \"\"/define APPNAMEANDVERSION \"SuperTuxKart ${{ env.release_tag }}\"/g" $arch.nsi
            sed -i "s/define ARCH \"\"/define ARCH \"$arch\"/g" $arch.nsi
            sed -i "s/OutFile \"\"/OutFile \"SuperTuxKart-${{ env.release_tag }}-installer-$arch.exe\"/g" $arch.nsi
            for filename in $(ls ../../build-$arch/bin)
            do
              file="\\\\$filename"
              sed -i "286a\  DELETE /REBOOTOK \"\$INSTDIR$file\"" $arch.nsi
            done
            # Print result
            #cat $arch.nsi
          done
          mv ../COPYING ../..
      - name: Run makensis.exe
        if: ${{ env.release_tag != '' && startsWith(github.ref, 'refs/tags/') }}
        run: |
          cd SuperTuxKart-${{ env.release_tag }}-win\stk-code\tools\windows_installer
          C:\msys64\usr\bin\wget.exe https://nsis.sourceforge.io/mediawiki/images/6/6c/Shelllink.zip
          C:\msys64\usr\bin\unzip.exe Shelllink.zip
          Move-Item Unicode\Plugins\ShellLink.dll .
          & "C:\Program Files (x86)\NSIS\makensis.exe" i686.nsi
          & "C:\Program Files (x86)\NSIS\makensis.exe" x86_64.nsi
          & "C:\Program Files (x86)\NSIS\makensis.exe" aarch64.nsi
      - name: Create release
        uses: ncipollo/release-action@v1.8.8
        if: ${{ env.release_tag != '' }}
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          artifacts: "SuperTuxKart-*.zip, SuperTuxKart-${{ env.release_tag }}-win/stk-code/tools/windows_installer/*.exe"
          tag: ${{ env.release_name }}
          omitBodyDuringUpdate: true
          omitNameDuringUpdate: true
          allowUpdates: true
          prerelease: ${{ env.release_pre }}
