name: CI

on:
  pull_request:
  push:
    branches:
    - master

env:
  CTEST_OUTPUT_ON_FAILURE: 1

jobs:
  emscripten:
    name: Emscripten

    runs-on: ubuntu-20.04
    container:
      # If you change this version, change the number in the cache step too.
      image: emscripten/emsdk:2.0.10

    steps:
    - name: Checkout
      uses: actions/checkout@v2

    - name: Setup cache
      uses: actions/cache@v2
      with:
        path: /emsdk/upstream/emscripten/cache
        key: 2.0.10-${{ runner.os }}

    - name: Build (host tools)
      run: |
        mkdir build-host
        cd build-host

        echo "::group::CMake"
        cmake .. -DOPTION_TOOLS_ONLY=ON
        echo "::endgroup::"

        echo "::group::Build"
        echo "Running on $(nproc) cores"
        make -j$(nproc) tools
        echo "::endgroup::"

    - name: Install GCC problem matcher
      uses: ammaraskar/gcc-problem-matcher@master

    - name: Build
      run: |
        mkdir build
        cd build

        echo "::group::CMake"
        emcmake cmake .. -DHOST_BINARY_DIR=../build-host
        echo "::endgroup::"

        echo "::group::Build"
        echo "Running on $(nproc) cores"
        emmake make -j$(nproc)
        echo "::endgroup::"

  linux:
    name: Linux

    strategy:
      fail-fast: false
      matrix:
        include:
        - compiler: clang
          cxxcompiler: clang++
          libsdl: libsdl2-dev
        - compiler: gcc
          cxxcompiler: g++
          libsdl: libsdl2-dev
        - compiler: gcc
          cxxcompiler: g++
          libsdl: libsdl1.2-dev

    runs-on: ubuntu-20.04
    env:
      CC: ${{ matrix.compiler }}
      CXX: ${{ matrix.cxxcompiler }}

    steps:
    - name: Checkout
      uses: actions/checkout@v2

    - name: Install dependencies
      run: |
        echo "::group::Update apt"
        sudo apt-get update
        echo "::endgroup::"

        echo "::group::Install dependencies"
        sudo apt-get install -y --no-install-recommends \
          liballegro4-dev \
          libfontconfig-dev \
          libicu-dev \
          liblzma-dev \
          libzstd-dev \
          liblzo2-dev \
          ${{ matrix.libsdl }} \
          zlib1g-dev \
          # EOF
        echo "::endgroup::"
      env:
        DEBIAN_FRONTEND: noninteractive

    - name: Get OpenGFX
      run: |
        mkdir -p ~/.local/share/openttd/baseset
        cd ~/.local/share/openttd/baseset

        echo "::group::Download OpenGFX"
        curl -L https://cdn.openttd.org/opengfx-releases/0.6.0/opengfx-0.6.0-all.zip -o opengfx-all.zip
        echo "::endgroup::"

        echo "::group::Unpack OpenGFX"
        unzip opengfx-all.zip
        echo "::endgroup::"

        rm -f opengfx-all.zip

    - name: Install GCC problem matcher
      uses: ammaraskar/gcc-problem-matcher@master

    - name: Build
      run: |
        mkdir build
        cd build

        echo "::group::CMake"
        cmake ..
        echo "::endgroup::"

        echo "::group::Build"
        echo "Running on $(nproc) cores"
        make -j$(nproc)
        echo "::endgroup::"

  windows:
    name: Windows

    strategy:
      fail-fast: false
      matrix:
        include:
        - arch: x64
          full_arch: x86_64

    runs-on: macos-latest
    env:
      MACOSX_DEPLOYMENT_TARGET: 10.9

    steps:
    - name: Checkout
      uses: actions/checkout@v2

    - name: Prepare vcpkg (with cache)
      uses: lukka/run-vcpkg@v6
      with:
        vcpkgDirectory: '/usr/local/share/vcpkg'
        doNotUpdateVcpkg: false
        vcpkgGitCommitId: 2a42024b53ebb512fb5dd63c523338bf26c8489c
        vcpkgArguments: 'liblzma libpng lzo zstd'
        vcpkgTriplet: '${{ matrix.arch }}-osx'

    - name: Install OpenGFX
      run: |
        mkdir -p ~/Documents/OpenTTD/baseset
        cd ~/Documents//OpenTTD/baseset

        echo "::group::Download OpenGFX"
        curl -L https://cdn.openttd.org/opengfx-releases/0.6.0/opengfx-0.6.0-all.zip -o opengfx-all.zip
        echo "::endgroup::"

        echo "::group::Unpack OpenGFX"
        unzip opengfx-all.zip
        echo "::endgroup::"

        rm -f opengfx-all.zip

    - name: Install GCC problem matcher
      uses: ammaraskar/gcc-problem-matcher@master

    - name: Build
      run: |
        mkdir build
        cd build

        echo "::group::CMake"
        cmake ${GITHUB_WORKSPACE} \
          -DCMAKE_OSX_ARCHITECTURES=${{ matrix.full_arch }} \
          -DVCPKG_TARGET_TRIPLET=${{ matrix.arch }}-osx \
          -DCMAKE_TOOLCHAIN_FILE=/usr/local/share/vcpkg/scripts/buildsystems/vcpkg.cmake \
          # EOF
        echo "::endgroup::"

        echo "::group::Build"
        echo "Running on $(sysctl -n hw.logicalcpu) cores"
        make -j$(sysctl -n hw.logicalcpu)
        echo "::endgroup::"

  macos:
    name: Mac OS

    strategy:
      fail-fast: false
      matrix:
        os: [windows-latest, windows-2016]
        arch: [x86, x64]

    runs-on: ${{ matrix.os }}

    steps:
    - name: Checkout
      uses: actions/checkout@v2

    # "restore-cache" which is done by "run-vcpkg" uses Windows tar.
    # A git clone on windows marks a few files as read-only; when Windows tar
    # tries to extract the cache over this folder, it fails, despite the files
    # being identical. This failure shows up as an warning in the logs. We
    # avoid this by simply removing the read-only mark from the git folder.
    # In other words: this is a hack!
    # See: https://github.com/lukka/run-vcpkg/issues/61
    - name: Remove read-only flag from vcpkg git folder
      shell: powershell
      run: |
        attrib -r "c:\vcpkg\.git\*.*" /s

    - name: Prepare vcpkg (with cache)
      uses: lukka/run-vcpkg@v6
      with:
        vcpkgDirectory: 'c:/vcpkg'
        doNotUpdateVcpkg: true
        vcpkgArguments: 'liblzma libpng lzo zlib zstd'
        vcpkgTriplet: '${{ matrix.arch }}-windows-static'

    - name: Install OpenGFX
      shell: bash
      run: |
        mkdir -p "C:/Users/Public/Documents/OpenTTD/baseset"
        cd "C:/Users/Public/Documents/OpenTTD/baseset"

        echo "::group::Download OpenGFX"
        curl -L https://cdn.openttd.org/opengfx-releases/0.6.0/opengfx-0.6.0-all.zip -o opengfx-all.zip
        echo "::endgroup::"

        echo "::group::Unpack OpenGFX"
        unzip opengfx-all.zip
        echo "::endgroup::"

        rm -f opengfx-all.zip

    - name: Install MSVC problem matcher
      uses: ammaraskar/msvc-problem-matcher@master

    - name: Build
      run: cd build && make -j2