name: Workflow

on:
  push:

jobs:

  build-linux:
    runs-on: ubuntu-18.04
    strategy:
      matrix:
        platform: [gcc]
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
          ref: ${{ github.event.pull_request.head.sha }}
      - name: Build
        env:
          CC: ${{ steps.vars.outputs.cc }}
          CXX: ${{ steps.vars.outputs.cxx }}
          MATRIX_PLATFORM: ${{ matrix.platform }}
        run: .github/scripts/build-linux.sh
      - name: Test
        run: |
          cd build
          ctest --verbose
      - name: Upload artifact
        if: startsWith(github.ref, 'refs/tags/')
        uses: actions/upload-artifact@v1
        with:
          name: artifacts
          path: linux-amd64.tar.gz

  build-macos:
    runs-on: macos-10.15
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
          ref: ${{ github.event.pull_request.head.sha }}
      - name: Build
        run: |
          .github/scripts/build-macos.sh
      - name: Test
        run: |
          cd build
          ctest --verbose
      - name: Upload artifact
        if: startsWith(github.ref, 'refs/tags/')
        uses: actions/upload-artifact@v1
        with:
          name: artifacts
          path: darwin-amd64.tar.gz

  build-windows:
    runs-on: windows-2019
    strategy:
      matrix:
        platform: [x86, amd64]
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
          ref: ${{ github.event.pull_request.head.sha }}
      - uses: ilammy/msvc-dev-cmd@v1.4.1
        with:
          arch: ${{ matrix.platform }}
      - name: Build
        run: |
          .github/scripts/build-windows.ps1
        env:
          MATRIX_PLATFORM: ${{ matrix.platform }}
      - name: Upload artifact
        if: startsWith(github.ref, 'refs/tags/')
        uses: actions/upload-artifact@v1
        with:
          name: artifacts
          path: windows-${{ matrix.platform }}.zip


  create-release:
    needs: [build-linux, build-macos, build-windows]
    if: startsWith(github.ref, 'refs/tags/')
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
          ref: ${{ github.event.pull_request.head.sha }}
      - name: Obtain tag version
        id: get_version
        run: echo ::set-output name=VERSION::${GITHUB_REF/refs\/tags\//}
      - name: Fetch build artifacts
        uses: actions/download-artifact@v1
        with:
          name: artifacts
      - name: Create release
        id: create-release
        uses: actions/create-release@v1
        with:
          draft: false
          prerelease: true
          release_name: ${{ steps.get_version.outputs.VERSION }}
          tag_name: ${{ github.ref }}
        env:
          GITHUB_TOKEN: ${{ github.token }}
      - name: Upload linux-amd64 artifact
        uses: actions/upload-release-asset@v1.0.1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create-release.outputs.upload_url }}
          asset_path: ./artifacts/linux-amd64.tar.gz
          asset_name: dethrace-${{ steps.get_version.outputs.VERSION }}-linux-amd64.tar.gz
          asset_content_type: application/octet-stream
      - name: Upload darwin-amd64 artifact
        uses: actions/upload-release-asset@v1.0.1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create-release.outputs.upload_url }}
          asset_path: ./artifacts/darwin-amd64.tar.gz
          asset_name: dethrace-${{ steps.get_version.outputs.VERSION }}-darwin-amd64.tar.gz
          asset_content_type: application/octet-stream
      - name: Upload windows-x86 artifact
        uses: actions/upload-release-asset@v1.0.1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create-release.outputs.upload_url }}
          asset_path: ./artifacts/windows-x86.zip
          asset_name: dethrace-${{ steps.get_version.outputs.VERSION }}-windows-x86.zip
          asset_content_type: application/octet-stream
      - name: Upload windows-amd64 artifact
        uses: actions/upload-release-asset@v1.0.1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create-release.outputs.upload_url }}
          asset_path: ./artifacts/windows-amd64.zip
          asset_name: dethrace-${{ steps.get_version.outputs.VERSION }}-windows-amd64.zip
          asset_content_type: application/octet-stream