name: Build furnace

on:
  push:
    branches: master
  pull_request:
    branches: master

defaults:
  run:
    shell: bash

env:
  BUILD_TYPE: Release

jobs:
  build:
    strategy:
      matrix:
        config:
          - { name: 'Windows MSVC x86', os: windows-latest, compiler: msvc, arch: x86 }
          - { name: 'Windows MSVC x86_64', os: windows-latest, compiler: msvc, arch: x86_64 }
          - { name: 'Windows MinGW x86', os: ubuntu-20.04, compiler: mingw, arch: x86 }
          - { name: 'Windows MinGW x86_64', os: ubuntu-20.04, compiler: mingw, arch: x86_64 }
          - { name: 'macOS', os: macos-latest }
          - { name: 'Ubuntu', os: ubuntu-18.04 }
      fail-fast: false

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

    steps:
    - name: Checkout
      uses: actions/checkout@v2
      with:
        submodules: recursive

    - name: Set Windows arch identifiers
      id: windows-identify
      if: ${{ matrix.config.compiler == 'msvc' || matrix.config.compiler == 'mingw' }}
      run: |
        vswhere_target="${{ matrix.config.arch }}"
        msvc_target="${{ matrix.config.arch }}"
        mingw_target="${{ matrix.config.arch }}"

        if [ '${{ matrix.config.arch }}' == 'x86' ]; then
          msvc_target="Win32"
        elif [ '${{ matrix.config.arch }}' == 'x86_64' ]; then
          vswhere_target="amd64"
          msvc_target="x64"
        fi

        if [ '${{ matrix.config.compiler }}' == 'msvc' ]; then
          echo "vswhere target: ${vswhere_target}"
          echo "MSVC target: ${msvc_target}"
        else
          echo "MinGW cross target: ${mingw_target}"
        fi

        echo "::set-output name=vswhere-target::${vswhere_target}"
        echo "::set-output name=msvc-target::${msvc_target}"
        echo "::set-output name=mingw-target::${mingw_target}"

    - name: Set package identifier
      id: package-identify
      run: |
        package_name="furnace-${GITHUB_SHA}"
        package_ext=""
        if [ '${{ runner.os }}' == 'Windows' ] || [ '${{ matrix.config.compiler }}' == 'mingw' ]; then
          package_name="${package_name}-Windows"
          if [ '${{ matrix.config.compiler }}' == 'mingw' ]; then
            package_name="${package_name}-MinGW"
          else
            package_name="${package_name}-MSVC"
          fi
          package_name="${package_name}-${{ matrix.config.arch }}"
          package_ext="" # Directory, uploading will automatically zip it
        elif [ '${{ runner.os }}' == 'macOS' ]; then
          package_name="${package_name}-macOS"
          package_ext=".dmg"
        else
          package_name="${package_name}-Linux"
          package_ext=".AppImage"
        fi

        echo "Package identifier: ${package_name}"
        echo "Package file: ${package_name}${package_ext}"

        echo "::set-output name=id::${package_name}"
        echo "::set-output name=filename::${package_name}${package_ext}"

    - name: Set build cores amount
      id: build-cores
      run: |
        # https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners#supported-runners-and-hardware-resources
        set amount=2
        if [ '${{ runner.os }}' == 'macOS' ]; then
          amount=3
        fi

        echo "Amount of cores we can build with: ${amount}"

        echo "::set-output name=amount::${amount}"

    - name: Setup Toolchain [Windows MSVC]
      if: ${{ matrix.config.compiler == 'msvc' }}
      uses: seanmiddleditch/gha-setup-vsdevenv@v3
      with:
        arch: ${{ steps.windows-identify.outputs.vswhere-target }}

    - name: Setup Toolchain [Windows MinGW]
      if: ${{ matrix.config.compiler == 'mingw' }}
      run: |
        sudo apt update
        sudo apt install \
          mingw-w64 \
          mingw-w64-tools

    - name: Install Dependencies [Ubuntu]
      if: ${{ runner.os == 'Linux' && matrix.config.compiler != 'mingw' }}
      run: |
        sudo apt update
        sudo apt install \
          libsdl2-dev \
          libfmt-dev \
          librtmidi-dev \
          libsndfile1-dev \
          zlib1g-dev \
          libjack-jackd2-dev \
          appstream
        wget "https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage"
        chmod +x appimagetool-x86_64.AppImage

    - name: Configure (System Libraries)
      if: ${{ runner.os == 'Linux' && matrix.config.compiler != 'mingw' }}
      run: |
        export USE_WAE=ON
        export CMAKE_EXTRA_ARGS=()
        if [ '${{ matrix.config.compiler }}' == 'msvc' ]; then
          CMAKE_EXTRA_ARGS+=('-DCMAKE_GENERATOR_PLATFORM=${{ steps.windows-identify.outputs.msvc-target }}')
        elif [ '${{ matrix.config.compiler }}' == 'mingw' ]; then
          CMAKE_EXTRA_ARGS+=('-DCMAKE_TOOLCHAIN_FILE=scripts/Cross-MinGW-${{ steps.windows-identify.outputs.mingw-target }}.cmake')
        else
          # Test with system libs
          CMAKE_EXTRA_ARGS+=(
            '-DSYSTEM_FMT=OFF'
            '-DSYSTEM_LIBSNDFILE=ON'
            '-DSYSTEM_RTMIDI=ON'
            '-DSYSTEM_ZLIB=ON'
            '-DWITH_JACK=ON'
          )
          # Too old on Ubuntu
          if [ '${{ runner.os }}' == 'macOS' ]; then
            CMAKE_EXTRA_ARGS+=('-DSYSTEM_SDL2=ON')
          fi
        fi

        cmake \
          -B ${PWD}/build \
          -DCMAKE_INSTALL_PREFIX=${PWD}/target \
          -DCMAKE_BUILD_TYPE=${{ env.BUILD_TYPE }} \
          -DWARNINGS_ARE_ERRORS=${USE_WAE} \
          "${CMAKE_EXTRA_ARGS[@]}"

    - name: Build (System Libraries)
      if: ${{ runner.os == 'Linux' && matrix.config.compiler != 'mingw' }}
      run: |
        cmake \
          --build ${PWD}/build \
          --config ${{ env.BUILD_TYPE }} \
          --parallel ${{ steps.build-cores.outputs.amount }}

    - name: Install (System Libraries)
      if: ${{ runner.os == 'Linux' && matrix.config.compiler != 'mingw' }}
      run: |
        cmake \
          --install ${PWD}/build \
          --config ${{ env.BUILD_TYPE }}

    - name: Cleanup (System Libraries)
      if: ${{ runner.os == 'Linux' && matrix.config.compiler != 'mingw' }}
      run: |
        rm -rf build/ target/

    - name: Configure
      run: |
        export USE_WAE=ON
        export CMAKE_EXTRA_ARGS=()
        if [ '${{ matrix.config.compiler }}' == 'msvc' ]; then
          # 1. Go to hell
          export USE_WAE=OFF
          CMAKE_EXTRA_ARGS+=('-DCMAKE_GENERATOR_PLATFORM=${{ steps.windows-identify.outputs.msvc-target }}')

          # Force static linking
          # 1. Make MSVC runtime configurable
          CMAKE_EXTRA_ARGS+=('-DCMAKE_POLICY_DEFAULT_CMP0091=NEW')
          # 2. Use static (debug) runtime
          if [ '${{ env.BUILD_TYPE }}' == 'Debug' ]; then
            CMAKE_EXTRA_ARGS+=('-DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreadedDebug')
          else
            CMAKE_EXTRA_ARGS+=('-DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded')
          fi
        elif [ '${{ matrix.config.compiler }}' == 'mingw' ]; then
          CMAKE_EXTRA_ARGS+=('-DCMAKE_TOOLCHAIN_FILE=scripts/Cross-MinGW-${{ steps.windows-identify.outputs.mingw-target }}.cmake')
        elif [ '${{ runner.os }}' == 'macOS' ]; then
          CMAKE_EXTRA_ARGS+=('-DCMAKE_OSX_DEPLOYMENT_TARGET="10.9"')
        fi

        cmake \
          -B ${PWD}/build \
          -DCMAKE_INSTALL_PREFIX=/usr \
          -DCMAKE_BUILD_TYPE=${{ env.BUILD_TYPE }} \
          -DWARNINGS_ARE_ERRORS=${USE_WAE} \
          "${CMAKE_EXTRA_ARGS[@]}"

    - name: Build
      run: |
        cmake \
          --build ${PWD}/build \
          --config ${{ env.BUILD_TYPE }} \
          --parallel ${{ steps.build-cores.outputs.amount }}

    - name: Package [Windows]
      if: ${{ runner.os == 'Windows' || matrix.config.compiler == 'mingw' }}
      run: |
        binPath=build
        if [ '${{ matrix.config.compiler }}' == 'msvc' ]; then
          binPath="${binPath}/${{ env.BUILD_TYPE }}"
        fi
        if [ '${{ matrix.config.compiler }}' == 'mingw' ] && [ '${{ env.BUILD_TYPE }}' == 'Release' ]; then
          # arch-specific strip prefix
          # TODO maybe extract from cross toolchain files?
          toolPrefix="-w64-mingw32-"
          if [ '${{ matrix.config.arch }}' == 'x86_64' ]; then
            toolPrefix="x86_64${toolPrefix}"
          else
            toolPrefix="i686${toolPrefix}"
          fi
          ${toolPrefix}strip -s "${binPath}/furnace.exe"
        fi

        mkdir ${{ steps.package-identify.outputs.filename }}
        pushd ${{ steps.package-identify.outputs.filename }}

        cp -v ../LICENSE LICENSE.txt
        cp -v ../README.md README.txt
        cp -vr ../{papers,demos} ../${binPath}/furnace.exe ./

        popd

    - name: Package [macOS]
      if: ${{ runner.os == 'macOS' }}
      run: |
        pushd build
        cpack
        mv Furnace-*-Darwin.dmg ../${{ steps.package-identify.outputs.filename }}
        popd

    - name: Package [Ubuntu]
      if: ${{ runner.os == 'Linux' && matrix.config.compiler != 'mingw' }}
      run: |
        if [ '${{ env.BUILD_TYPE }}' == 'Release' ]; then
          strip -s build/furnace
        fi

        mkdir -p target/furnace.AppDir
        make -C ${PWD}/build DESTDIR=${PWD}/target/furnace.AppDir install
        pushd target

        pushd furnace.AppDir
        cp -v usr/share/{icons/hicolor/1024x1024/apps/furnace.png,applications/furnace.desktop} ./
        ln -s furnace.png .DirIcon
        mv -v usr/share/metainfo/{furnace.appdata,org.tildearrow.furnace.metainfo}.xml
        cp -v ../../res/AppRun ./
        popd

        ../appimagetool-x86_64.AppImage furnace.AppDir
        mv Furnace-*.AppImage ../${{ steps.package-identify.outputs.filename }}
        popd

    - name: Upload artifact
      uses: actions/upload-artifact@v3
      with:
        name: ${{ steps.package-identify.outputs.id }}
        path: ${{ steps.package-identify.outputs.filename }}