# Copyright 2021 Google Inc. All Rights Reserved.
#
# Distributed under MIT license.
# See file LICENSE for detail or copy at https://opensource.org/licenses/MIT

# Workflow for building and running tests under Ubuntu

name: Build/Test
on:
  push:
    branches:
      - master
  pull_request:
    types: [opened, reopened, labeled, synchronize]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  ubuntu_build:
    name: Build and test ${{ matrix.name }}
    runs-on: ${{ matrix.os || 'ubuntu-latest' }}
    defaults:
      run:
        shell: bash
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: cmake:gcc-old
            build_system: cmake
            c_compiler: gcc
            cxx_compiler: g++
            os: ubuntu-22.04

          - name: cmake:clang-old
            build_system: cmake
            c_compiler: clang
            cxx_compiler: clang
            os: ubuntu-22.04

          - name: cmake:clang:asan
            build_system: cmake
            sanitizer: address
            c_compiler: clang
            cxx_compiler: clang++

          - name: cmake:clang:tsan
            build_system: cmake
            sanitizer: thread
            c_compiler: clang
            cxx_compiler: clang++

          - name: cmake:clang:ubsan
            build_system: cmake
            sanitizer: undefined
            c_compiler: clang
            cxx_compiler: clang++
            c_flags: -fno-sanitize-recover=undefined,integer

          - name: cmake:qemu-arm-neon-gcc
            build_system: cmake
            c_compiler: arm-linux-gnueabihf-gcc
            cxx_compiler: arm-linux-gnueabihf-g++
            c_flags: -march=armv7-a -mfloat-abi=hard -mfpu=neon
            extra_apt_pkgs: gcc-arm-linux-gnueabihf libc6-dev-armhf-cross qemu-user

          - name: cmake-osx:clang
            build_system: cmake
            c_compiler: clang
            cxx_compiler: clang++
            os: macos-latest

          - name: cmake-osx:gcc
            build_system: cmake
            c_compiler: gcc
            cxx_compiler: g++
            os: macos-latest

          - name: cmake-win64:msvc-rel
            build_system: cmake
            cmake_generator: Visual Studio 17 2022
            cmake_config: Release
            os: windows-latest

          - name: cmake-win64:msvc-dbg
            build_system: cmake
            cmake_generator: Visual Studio 17 2022
            cmake_config: Debug
            os: windows-latest

          - name: fuzz:clang
            build_system: fuzz
            c_compiler: clang
            cxx_compiler: clang++

          - name: python3.10:clang
            build_system: python
            python_version: "3.10"
            c_compiler: clang
            cxx_compiler: clang++

          - name: python3.10-win
            build_system: python
            python_version: "3.10"
            # TODO: investigate why win-builds can't run tests
            py_setuptools_cmd: build_ext
            os: windows-2019

          - name: maven
            build_system: maven

          - name: bazel:root
            build_system: bazel
            bazel_project: .

          - name: bazel:go
            build_system: bazel
            bazel_project: go

          - name: bazel:java
            build_system: bazel
            bazel_project: java

          - name: bazel:research
            build_system: bazel
            bazel_project: research

          - name: bazel-osx:root
            build_system: bazel
            bazel_project: .
            os: macos-latest

          - name: bazel-osx:go
            build_system: bazel
            bazel_project: go
            os: macos-latest

          - name: bazel-osx:java
            build_system: bazel
            bazel_project: java
            os: macos-latest

          - name: bazel-osx:research
            build_system: bazel
            bazel_project: research
            os: macos-latest

          - name: bazel-win:root
            build_system: bazel
            bazel_project: .
            os: windows-latest

          - name: bazel-win:go
            build_system: bazel
            bazel_project: go
            os: windows-latest

          # TODO(eustas): restore when kotlin is fixed
          #- name: bazel-win:java
          #  build_system: bazel
          #  bazel_project: java
          #  os: windows-latest

          - name: bazel-win:research
            build_system: bazel
            bazel_project: research
            os: windows-latest

    env:
      CC: ${{ matrix.c_compiler || 'gcc' }}
      CXX: ${{ matrix.cxx_compiler || 'gcc' }}

    steps:
    - name: Install extra deps @ Ubuntu
      if: ${{ runner.os == 'Linux' }}
      # Already installed: bazel, clang{13-15}, cmake, gcc{9.5-13.1}, java{8,11,17,21}, maven, python{3.10}
      run: |
        EXTRA_PACKAGES="${{ matrix.extra_apt_pkgs || '' }}"
        sudo apt update
        sudo apt install -y ${EXTRA_PACKAGES}

    - name: Checkout the source
      uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
      with:
        submodules: false
        fetch-depth: 1

    #- name: Checkout VC9 for Python
    #  if: ${{ runner.os == 'Windows' && matrix.build_system == 'python' &&  matrix.python_version == '2.7' }}
    #  uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4.0.0
    #  with:
    #    repository: reider-roque/sulley-win-installer
    #    path: third_party/VCForPython27

    - name: Configure / Build / Test with CMake
      if: ${{ matrix.build_system == 'cmake' }}
      run: |
        export ASAN_OPTIONS=detect_leaks=0
        declare -a CMAKE_OPTIONS=()
        CMAKE_OPTIONS+=("-DCMAKE_VERBOSE_MAKEFILE=ON")
        [ ! -z '${{ matrix.c_compiler || '' }}' ] && CMAKE_OPTIONS+=(-DCMAKE_C_COMPILER='${{ matrix.c_compiler }}')
        [ ! -z '${{ matrix.cxx_compiler || '' }}' ] && CMAKE_OPTIONS+=(-DCMAKE_CXX_COMPILER='${{ matrix.cxx_compiler }}')
        [ ! -z '${{ matrix.sanitizer || '' }}' ] && CMAKE_OPTIONS+=(-DENABLE_SANITIZER='${{ matrix.sanitizer }}')
        [ ! -z '${{ matrix.cmake_generator || '' }}' ] && export CMAKE_GENERATOR='${{ matrix.cmake_generator }}'
        declare -a CMAKE_BUILD_OPTIONS=()
        [ ! -z '${{ matrix.cmake_config || '' }}' ] && CMAKE_BUILD_OPTIONS+=(--config '${{ matrix.cmake_config }}')
        declare -a CMAKE_TEST_OPTIONS=()
        [ ! -z '${{ matrix.cmake_config || '' }}' ] && CMAKE_TEST_OPTIONS+=(-C '${{ matrix.cmake_config }}')

        cmake -B out . ${CMAKE_OPTIONS[*]} -DCMAKE_C_FLAGS='${{ matrix.c_flags || '' }}'
        cmake --build out ${CMAKE_BUILD_OPTIONS[*]}
        cd out; ctest ${CMAKE_TEST_OPTIONS[*]}; cd ..

    - name: Quick Fuzz
      if: ${{ matrix.build_system == 'fuzz' }}
      run: |
        mkdir ${RUNNER_TEMP}/decode_corpora
        unzip java/org/brotli/integration/fuzz_data.zip -d ${RUNNER_TEMP}/decode_corpora
        cd ${GITHUB_WORKSPACE}/c/fuzz
        bazelisk build --config=asan-libfuzzer :decode_fuzzer
        for f in `ls ${RUNNER_TEMP}/decode_corpora`
        do
          echo "Testing $f"
          ./bazel-bin/decode_fuzzer_bin ${RUNNER_TEMP}/decode_corpora/$f
        done

    - name: Build with Bazel
      if: ${{ matrix.build_system == 'bazel' }}
      run: |
        cd ${GITHUB_WORKSPACE}/${{ matrix.bazel_project }}
        bazelisk build -c opt ...:all --java_runtime_version=remotejdk_21

    - name: Fix symlinks for Bazel (Windows)
      if: ${{ matrix.build_system == 'bazel' && runner.os == 'Windows' && matrix.bazel_project == 'java' }}
      shell: python
      run: |
        import fnmatch
        import os
        import os.path
        from shutil import copyfile
        os.chdir('${{ matrix.bazel_project }}')
        print('Searching for manifests in ' + os.getcwd())
        matches = []
        for root, dirnames, filenames in os.walk('bazel-bin\\org\\brotli'):
          for filename in fnmatch.filter(filenames, '*.runfiles_manifest'):
            matches.append(os.path.join(root, filename))
        for match in matches:
          print('Scanning manifest ' + match)
          runfiles = match[:-len('_manifest')]
          with open(match) as manifest:
            for entry in manifest:
              entry = entry.strip()
              if not entry.startswith("_main"):
                continue
              if entry.startswith("_main/external"):
                continue
              (alias, space, link) = entry.partition(' ')
              if alias.endswith('.jar') or alias.endswith('.exe'):
                continue
              link = link.replace('/', '\\')
              alias = alias.replace('/', '\\')
              dst = os.path.join(runfiles, alias)
              if not os.path.exists(dst):
                print(link + ' -> ' + dst)
                parent = os.path.dirname(dst)
                if not os.path.exists(parent):
                  os.makedirs(parent)
                copyfile(link, dst)
        print('Finished resolving symlinks')

    - name: Test with Bazel
      if: ${{ matrix.build_system == 'bazel' }}
      run: |
        cd ${GITHUB_WORKSPACE}/${{ matrix.bazel_project }}
        bazelisk query "tests(...)" --output=label > ${RUNNER_TEMP}/tests.lst
        [ -s ${RUNNER_TEMP}/tests.lst ] && bazelisk test -c opt ...:all --java_runtime_version=remotejdk_21
        bazelisk clean

    - name: Build / Test with Maven
      if: ${{ matrix.build_system == 'maven' }}
      run: |
        export MAVEN_OPTS=-Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn
        cd java/org/brotli
        mvn -B install
        # TODO(eustas): nuke maven build?
        # cd integration
        # mvn -B verify

    - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065 # v5.6.0
      if: ${{ matrix.build_system == 'python' }}
      with:
        python-version: ${{ matrix.python_version }}

    # TODO: investigate, why msiexec hangs
    #- name: Install VC9 for Python
    #  if: ${{ runner.os == 'Windows' && matrix.build_system == 'python' &&  matrix.python_version == '2.7' }}
    #  run: |
    #    echo "070474db76a2e625513a5835df4595df9324d820f9cc97eab2a596dcbc2f5cbf  third_party/VCForPython27/VCForPython27.msi" | sha256sum --check --status
    #    msiexec ALLUSERS=1 /qn /norestart /i third_party/VCForPython27/VCForPython27.msi /l*v ${RUNNER_TEMP}/msiexec.log
    #    cat ${RUNNER_TEMP}/msiexec.log

    - name: Build / Test with Python
      if: ${{ matrix.build_system == 'python' }}
      run: |
        python -VV
        python -c "import sys; sys.exit('Invalid python version') if '.'.join(map(str,sys.version_info[0:2])) != '${{ matrix.python_version }}' else True"
        python setup.py ${{ matrix.py_setuptools_cmd || 'test'}}