jobs:
- job: packages

  timeoutInMinutes: 90 # default `60` led to lots of cancelled jobs; use 0 for unlimited (may be undesirable)

  strategy:
    matrix:
      Linux_amd64:
        vmImage: 'ubuntu-16.04'
        CPU: amd64
      Linux_i386:
        vmImage: 'ubuntu-16.04'
        CPU: i386
      OSX_amd64:
        vmImage: 'macOS-10.14'
        CPU: amd64
      OSX_amd64_cpp:
        vmImage: 'macOS-10.14'
        CPU: amd64
        NIM_COMPILE_TO_CPP: true
      Windows_amd64:
        vmImage: 'windows-2019'
        CPU: amd64
      Windows_amd64_pkg:
        vmImage: 'windows-2019'
        CPU: amd64
        NIM_TEST_PACKAGES: true

  pool:
    vmImage: $(vmImage)

  workspace:
    clean: all

  steps:
    - bash: git config --global core.autocrlf false
      displayName: 'Disable auto conversion to CRLF by git (Windows-only)'
      condition: eq(variables['Agent.OS'], 'Windows_NT')

    - checkout: self

    - bash: git clone --depth 1 https://github.com/nim-lang/csources.git
      displayName: 'Checkout csources'

    - task: NodeTool@0
      inputs:
        versionSpec: '8.x'
      displayName: 'Install node.js 8.x'

    - bash: |
        sudo apt-fast update -qq
        DEBIAN_FRONTEND='noninteractive' \
          sudo apt-fast install --no-install-recommends -yq \
            libcurl4-openssl-dev libgc-dev libsdl1.2-dev libsfml-dev valgrind libc6-dbg
      displayName: 'Install dependencies (amd64 Linux)'
      condition: and(eq(variables['Agent.OS'], 'Linux'), eq(variables['CPU'], 'amd64'))

    - bash: |
        sudo dpkg --add-architecture i386

        # Downgrade llvm, libgcc and libstdc++:
        # - llvm has to be downgraded to have 32bit version installed for sfml.
        # - libgcc and libstdc++ have to be downgraded as an optimization to
        #   prevent the use of the toolchain ppa, which has a terrible download
        #   speed.
        cat << EOF | sudo tee /etc/apt/preferences.d/pin-to-rel
        Package: libllvm6.0 libgcc1 libstdc++6
        Pin: origin "azure.archive.ubuntu.com"
        Pin-Priority: 1001

        Package: *
        Pin: release o=LP-PPA-ubuntu-toolchain-r-test
        Pin-Priority: 100
        EOF

        sudo apt-fast update -qq
        # `:i386` (e.g. in `libffi-dev:i386`) is needed otherwise you may get:
        # `could not load: libffi.so` during dynamic loading.
        DEBIAN_FRONTEND='noninteractive' \
          sudo apt-fast install --no-install-recommends --allow-downgrades -yq \
            g++-multilib gcc-multilib libcurl4-openssl-dev:i386 libgc-dev:i386 \
            libsdl1.2-dev:i386 libsfml-dev:i386 libglib2.0-dev:i386 libffi-dev:i386

        cat << EOF > bin/gcc
        #!/bin/bash

        exec $(which gcc) -m32 "\$@"
        EOF
        cat << EOF > bin/g++
        #!/bin/bash

        exec $(which g++) -m32 "\$@"
        EOF

        chmod 755 bin/gcc
        chmod 755 bin/g++

      displayName: 'Install dependencies (i386 Linux)'
      condition: and(eq(variables['Agent.OS'], 'Linux'), eq(variables['CPU'], 'i386'))

    - bash: brew install boehmgc make sfml
      displayName: 'Install dependencies (OSX)'
      condition: eq(variables['Agent.OS'], 'Darwin')

    - bash: |
        mkdir dist
        curl -L https://nim-lang.org/download/mingw64.7z -o dist/mingw64.7z
        curl -L https://nim-lang.org/download/dlls.zip -o dist/dlls.zip
        7z x dist/mingw64.7z -odist
        7z x dist/dlls.zip -obin
        echo '##vso[task.prependpath]$(System.DefaultWorkingDirectory)/dist/mingw64/bin'

      displayName: 'Install dependencies (Windows)'
      condition: eq(variables['Agent.OS'], 'Windows_NT')

    - bash: echo '##vso[task.prependpath]$(System.DefaultWorkingDirectory)/bin'
      displayName: 'Add build binaries to PATH'

    - bash: |
        echo 'PATH:' "$PATH"
        echo '##[section]gcc version'
        gcc -v
        echo '##[section]nodejs version'
        node -v
        echo '##[section]make version'
        make -v
      displayName: 'System information'

    - bash: |
        ncpu=
        case '$(Agent.OS)' in
        'Linux')
          ncpu=$(nproc)
          ;;
        'Darwin')
          ncpu=$(sysctl -n hw.ncpu)
          ;;
        'Windows_NT')
          ncpu=$NUMBER_OF_PROCESSORS
          ;;
        esac
        [[ -z "$ncpu" || $ncpu -le 0 ]] && ncpu=1

        make -C csources -j $ncpu CC=gcc ucpu=$(CPU)
      displayName: 'Build csources'

    - bash: nim c koch
      displayName: 'Build koch'

      # set result to omit the "bash exited with error code '1'" message
    - bash: |
        ./koch runCI || echo '##vso[task.complete result=Failed]'
      displayName: 'Run CI'
      env:
        SYSTEM_ACCESSTOKEN: $(System.AccessToken)