name: CMake Build Matrix

on: [push]

jobs:
  build:
    name: ${{ matrix.config.name }}
    runs-on: ${{ matrix.config.os }}
    strategy:
      fail-fast: false
      matrix:
        config:
        - {
            name: "Windows Latest MSVC", artifact: "Windows-MSVC.tar.xz",
            os: windows-latest,
            build_type: "Release", cc: "cl", cxx: "cl",
            environment_script: "C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/VC/Auxiliary/Build/vcvars64.bat"
          }
        - {
            name: "Windows Latest MinGW", artifact: "Windows-MinGW.tar.xz",
            os: windows-latest,
            build_type: "Release", cc: "gcc", cxx: "g++"
          }
        - {
            name: "Ubuntu Latest GCC", artifact: "Linux.tar.xz",
            os: ubuntu-latest,
            build_type: "Release", cc: "gcc", cxx: "g++"
          }
        - {
            name: "macOS Latest Clang", artifact: "macOS.tar.xz",
            os: macos-latest,
            build_type: "Release", cc: "clang", cxx: "clang++"
          }

    steps:
    - uses: actions/checkout@v1

    - name: Download Ninja and CMake
      id: cmake_and_ninja
      shell: cmake -P {0}
      run: |
        set(ninja_version "1.9.0")
        set(cmake_version "3.16.0")

        if ("${{ runner.os }}" STREQUAL "Windows")
          set(ninja_suffix "win.zip")
          set(cmake_suffix "win64-x64.zip")
          set(cmake_dir "cmake-${cmake_version}-win64-x64/bin")
        elseif ("${{ runner.os }}" STREQUAL "Linux")
          set(ninja_suffix "linux.zip")
          set(cmake_suffix "Linux-x86_64.tar.gz")
          set(cmake_dir "cmake-${cmake_version}-Linux-x86_64/bin")
        elseif ("${{ runner.os }}" STREQUAL "macOS")
          set(ninja_suffix "mac.zip")
          set(cmake_suffix "Darwin-x86_64.tar.gz")
          set(cmake_dir "cmake-${cmake_version}-Darwin-x86_64/CMake.app/Contents/bin")
        endif()

        set(ninja_url "https://github.com/ninja-build/ninja/releases/download/v${ninja_version}/ninja-${ninja_suffix}")
        file(DOWNLOAD "${ninja_url}" ./ninja.zip SHOW_PROGRESS)
        execute_process(COMMAND ${CMAKE_COMMAND} -E tar xvf ./ninja.zip)

        set(cmake_url "https://github.com/Kitware/CMake/releases/download/v${cmake_version}/cmake-${cmake_version}-${cmake_suffix}")
        file(DOWNLOAD "${cmake_url}" ./cmake.zip SHOW_PROGRESS)
        execute_process(COMMAND ${CMAKE_COMMAND} -E tar xvf ./cmake.zip)

        # Save the path for other steps
        file(TO_CMAKE_PATH "$ENV{GITHUB_WORKSPACE}/${cmake_dir}" cmake_dir)
        message("::set-output name=cmake_dir::${cmake_dir}")

        if (NOT "${{ runner.os }}" STREQUAL "Windows")
          execute_process(
            COMMAND chmod +x ninja
            COMMAND chmod +x ${cmake_dir}/cmake
          )
        endif()

    - name: Download Qt
      id: qt
      shell: cmake -P {0}
      run: |
        set(qt_version "5.14.0")

        string(REPLACE "." "" qt_version_dotless "${qt_version}")
        if ("${{ runner.os }}" STREQUAL "Windows")
          set(url_os "windows_x86")
          if ("x${{ matrix.config.environment_script }}" STREQUAL "x")
            set(qt_package_name "qt.qt5.${qt_version_dotless}.win64_mingw73")
            set(qt_dir_prefix "${qt_version}/mingw73_64")
            set(qt_package_suffix "-Windows-Windows_10-Mingw73-Windows-Windows_10-X86_64")
          elseif ("${{ matrix.config.environment_script }}" MATCHES "vcvars64.bat")
            set(qt_package_name "qt.qt5.${qt_version_dotless}.win64_msvc2017_64")
            set(qt_dir_prefix "${qt_version}/msvc2017_64")
            set(qt_package_suffix "-Windows-Windows_10-MSVC2017-Windows-Windows_10-X86_64")
          elseif ("${{ matrix.config.environment_script }}" MATCHES "vcvars32.bat")
            set(qt_package_name "qt.qt5.${qt_version_dotless}.win32_msvc2017")
            set(qt_dir_prefix "${qt_version}/msvc2017")
            set(qt_package_suffix "-Windows-Windows_10-MSVC2017-Windows-Windows_10-X86")
          endif()
        elseif ("${{ runner.os }}" STREQUAL "Linux")
          set(url_os "linux_x64")
          set(qt_package_name "qt.qt5.${qt_version_dotless}.gcc_64")
          set(qt_dir_prefix "${qt_version}/gcc_64")
          set(qt_package_suffix "-Linux-RHEL_7_6-GCC-Linux-RHEL_7_6-X86_64")
        elseif ("${{ runner.os }}" STREQUAL "macOS")
          set(url_os "mac_x64")
          set(qt_package_name "qt.qt5.${qt_version_dotless}.clang_64")
          set(qt_dir_prefix "${qt_version}/clang_64")
          set(qt_package_suffix "-MacOS-MacOS_10_13-Clang-MacOS-MacOS_10_13-X86_64")
        endif()

        set(qt_base_url "https://download.qt.io/online/qtsdkrepository/${url_os}/desktop/qt5_${qt_version_dotless}")
        file(DOWNLOAD "${qt_base_url}/Updates.xml" ./Updates.xml SHOW_PROGRESS)

        file(READ ./Updates.xml updates_xml)
        string(REGEX MATCH "<Name>${qt_package_name}.*<Version>([0-9+-.]+)</Version>" updates_xml_output "${updates_xml}")
        set(qt_package_version ${CMAKE_MATCH_1})

        file(MAKE_DIRECTORY qt5)

        # Save the path for other steps
        file(TO_CMAKE_PATH "$ENV{GITHUB_WORKSPACE}/qt5/${qt_dir_prefix}" qt_dir)
        message("::set-output name=qt_dir::${qt_dir}")

        foreach(package qtbase qtdeclarative qttools qtsvg)
          file(DOWNLOAD
            "${qt_base_url}/${qt_package_name}/${qt_package_version}${package}${qt_package_suffix}.7z" ./${package}.7z
            SHOW_PROGRESS
          )
          execute_process(COMMAND ${CMAKE_COMMAND} -E tar xvf ../${package}.7z WORKING_DIRECTORY qt5)
        endforeach()

        # uic depends on libicu56.so
        if ("${{ runner.os }}" STREQUAL "Linux")
          file(DOWNLOAD
            "${qt_base_url}/${qt_package_name}/${qt_package_version}icu-linux-Rhel7.2-x64.7z" ./icu.7z
            SHOW_PROGRESS
          )
          execute_process(COMMAND ${CMAKE_COMMAND} -E tar xvf ../icu.7z WORKING_DIRECTORY qt5)
        endif()

        file(READ "qt5/${qt_dir_prefix}/mkspecs/qconfig.pri" qtconfig)
        string(REPLACE "Enterprise" "OpenSource" qtconfig "${qtconfig}")
        string(REPLACE "licheck.exe" "" qtconfig "${qtconfig}")
        string(REPLACE "licheck64" "" qtconfig "${qtconfig}")
        string(REPLACE "licheck_mac" "" qtconfig "${qtconfig}")
        file(WRITE "qt5/${qt_dir_prefix}/mkspecs/qconfig.pri" "${qtconfig}")


    - name: Download libclang
      id: libclang
      shell: cmake -P {0}
      run: |
        set(clang_version "80")

        if ("${{ runner.os }}" STREQUAL "Windows")
          if ("x${{ matrix.config.environment_script }}" STREQUAL "x")
            set(libclang "libclang-release_${clang_version}-based-windows-mingw_64.7z")
          elseif ("${{ matrix.config.environment_script }}" MATCHES "vcvars64.bat")
            set(libclang "libclang-release_${clang_version}-based-windows-vs2017_64.7z")
          elseif ("${{ matrix.config.environment_script }}" MATCHES "vcvars32.bat")
            set(libclang "libclang-release_${clang_version}-based-windows-vs2017_32.7z")
          endif()
        elseif ("${{ runner.os }}" STREQUAL "Linux")
          set(libclang "libclang-release_${clang_version}-based-linux-Ubuntu16.04-gcc5.3-x86_64.7z")
        elseif ("${{ runner.os }}" STREQUAL "macOS")
          set(libclang "libclang-release_${clang_version}-based-mac.7z")
        endif()

        set(libclang_url "https://download.qt.io/development_releases/prebuilt/libclang/${libclang}")
        file(DOWNLOAD "${libclang_url}" ./libclang.7z SHOW_PROGRESS)

        # Comes with libclang inside the archive
        execute_process(COMMAND ${CMAKE_COMMAND} -E tar xvf ./libclang.7z)

        # Save the path for other steps
        file(TO_CMAKE_PATH "$ENV{GITHUB_WORKSPACE}/libclang" libclang_dir)
        message("::set-output name=libclang_dir::${libclang_dir}")

    - name: Install system libs
      shell: cmake -P {0}
      run: |
        if ("${{ runner.os }}" STREQUAL "Linux")
          execute_process(
            COMMAND sudo apt install libgl1-mesa-dev
          )
        endif()

    - name: Configure
      shell: cmake -P {0}
      run: |
        set(ENV{CC} ${{ matrix.config.cc }})
        set(ENV{CXX} ${{ matrix.config.cxx }})

        if ("${{ runner.os }}" STREQUAL "Windows" AND NOT "x${{ matrix.config.environment_script }}" STREQUAL "x")
          execute_process(
            COMMAND "${{ matrix.config.environment_script }}" && set
            OUTPUT_FILE environment_script_output.txt
          )
          file(STRINGS environment_script_output.txt output_lines)
          foreach(line IN LISTS output_lines)
            if (line MATCHES "^([a-zA-Z0-9_-]+)=(.*)$")
              set(ENV{${CMAKE_MATCH_1}} "${CMAKE_MATCH_2}")
            endif()
          endforeach()
        endif()

        file(TO_CMAKE_PATH "$ENV{GITHUB_WORKSPACE}/ninja" ninja_program)

        # Workaround for https://gitlab.kitware.com/cmake/cmake/issues/20119
        foreach(step 1 2)
          execute_process(
            COMMAND ${{ steps.cmake_and_ninja.outputs.cmake_dir }}/cmake
              -S .
              -B build
              -D CMAKE_BUILD_TYPE=${{ matrix.config.build_type }}
              -D "CMAKE_PREFIX_PATH=${{ steps.libclang.outputs.libclang_dir }};${{ steps.qt.outputs.qt_dir }}"
              -G Ninja
              -D CMAKE_MAKE_PROGRAM=${ninja_program}
              -D CMAKE_FIND_PACKAGE_PREFER_CONFIG=TRUE
            RESULT_VARIABLE result
          )
          if (NOT result EQUAL 0)
            message(FATAL_ERROR "Bad exit status")
          endif()
        endforeach()

    - name: Build
      shell: cmake -P {0}
      run: |
        set(ENV{NINJA_STATUS} "[%f/%t %o/sec] ")

        if ("${{ runner.os }}" STREQUAL "Windows" AND NOT "x${{ matrix.config.environment_script }}" STREQUAL "x")
          file(STRINGS environment_script_output.txt output_lines)
          foreach(line IN LISTS output_lines)
            if (line MATCHES "^([a-zA-Z0-9_-]+)=(.*)$")
              set(ENV{${CMAKE_MATCH_1}} "${CMAKE_MATCH_2}")
            endif()
          endforeach()
        endif()

        execute_process(
          COMMAND ${{ steps.cmake_and_ninja.outputs.cmake_dir }}/cmake --build build
          RESULT_VARIABLE result
        )
        if (NOT result EQUAL 0)
          message(FATAL_ERROR "Bad exit status")
        endif()


    - name: Run tests
      shell: cmake -P {0}
      run: |
        include(ProcessorCount)
        ProcessorCount(N)

        execute_process(
          COMMAND ${{ steps.cmake_and_ninja.outputs.cmake_dir }}/ctest -j ${N}
          WORKING_DIRECTORY build
          RESULT_VARIABLE result
        )
        if (NOT result EQUAL 0)
          message(FATAL_ERROR "Running tests failed!")
        endif()


    - name: Install Strip
      run: ${{ steps.cmake_and_ninja.outputs.cmake_dir }}/cmake --install build --prefix instdir --strip


    - name: Pack
      working-directory: instdir
      run: ${{ steps.cmake_and_ninja.outputs.cmake_dir }}/cmake -E tar cJfv ../${{ matrix.config.artifact }} .


    - name: Upload
      uses: actions/upload-artifact@v1
      with:
        path: ./${{ matrix.config.artifact }}
        name: ${{ matrix.config.artifact }}

  release:
    if: contains(github.ref, 'tags/v')
    runs-on: ubuntu-latest
    needs: build

    steps:
    - name: Create Release
      id: create_release
      uses: actions/create-release@v1.0.0
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        tag_name: ${{ github.ref }}
        release_name: Release ${{ github.ref }}
        draft: false
        prerelease: false

    - name: Store Release url
      run: |
        echo "${{ steps.create_release.outputs.upload_url }}" > ./upload_url

    - uses: actions/upload-artifact@v1
      with:
        path: ./upload_url
        name: upload_url

  publish:
    if: contains(github.ref, 'tags/v')
    name: ${{ matrix.config.name }}
    runs-on: ${{ matrix.config.os }}
    strategy:
      fail-fast: false
      matrix:
        config:
        - {
            name: "Windows Latest MSVC", artifact: "Windows-MSVC.tar.xz",
            os: ubuntu-latest
          }
        - {
            name: "Windows Latest MinGW", artifact: "Windows-MinGW.tar.xz",
            os: ubuntu-latest
          }
        - {
            name: "Ubuntu Latest GCC", artifact: "Linux.tar.xz",
            os: ubuntu-latest
          }
        - {
            name: "macOS Latest Clang", artifact: "macOS.tar.xz",
            os: ubuntu-latest
          }
    needs: release

    steps:
    - name: Download artifact
      uses: actions/download-artifact@v1
      with:
        name: ${{ matrix.config.artifact }}
        path: ./

    - name: Download URL
      uses: actions/download-artifact@v1
      with:
        name: upload_url
        path: ./
    - id: set_upload_url
      run: |
        upload_url=`cat ./upload_url`
        echo ::set-output name=upload_url::$upload_url

    - name: Upload to Release
      id: upload_to_release
      uses: actions/upload-release-asset@v1.0.1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        upload_url: ${{ steps.set_upload_url.outputs.upload_url }}
        asset_path: ./${{ matrix.config.artifact }}
        asset_name: ${{ matrix.config.artifact }}
        asset_content_type: application/x-gtar