name: Generate Go package
on:
# TODO: currently workflow dispatch endpoint does not work. I will investigate
  workflow_dispatch:
    inputs:
      VERSION:
        description: 'Go version to build and upload'
        required: true
        default: '1.15.0'
      PUBLISH_RELEASES:
        description: 'Whether to publish releases'
        required: true
        default: 'false'

env:
  VERSION: ${{ github.event.inputs.VERSION }}
  ARCHITECTURE: x64

jobs:
  build_go:
    name: Build Go ${{ github.event.inputs.VERSION }} [${{ matrix.platform }}]
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        platform: [linux, darwin, win32]
    steps:
    - uses: actions/checkout@v2
      with:
        submodules: true

    - name: Create artifact directories
      run: |
        binariesDirectory=$RUNNER_WORKSPACE/binaries
        echo ::set-env name=BINARIES_DIRECTORY::$binariesDirectory
        mkdir $binariesDirectory
        artifactDirectory=$RUNNER_WORKSPACE/artifact
        echo ::set-env name=ARTIFACT_DIRECTORY::$artifactDirectory
        mkdir $artifactDirectory
    - name: Build Go ${{ env.VERSION }}
      run: |
        ./builders/build-go.ps1 -Version $env:VERSION `
                                  -Platform ${{ matrix.platform }} `
                                  -Architecture $env:ARCHITECTURE
      shell: pwsh

    - name: Publish artifact
      uses: actions/upload-artifact@v2
      with:
        name: go-${{ env.VERSION }}-${{ matrix.platform }}
        path: /home/runner/work/go-versions/artifact

  # test_go:
  #   name: Test Go ${{ github.event.inputs.VERSION }} ${{ matrix.platform }}
  #   needs: build_go
  #   runs-on: ${{ matrix.os }}-latest
  #   strategy:
  #     fail-fast: false
  #     matrix:
  #       include:
  #       - os: ubuntu-latest
  #         platform: linux
  #       - os: macos-latest
  #         platform: darwin
  #       - os: windows-latest
  #         platform: win32
  #   steps:
  #   - uses: actions/checkout@v2
  #     with:
  #       submodules: true

  #   - name: Set AGENT_TOOLSDIRECTORY variable
  #     if: matrix.platform == 'win32'
  #     run: |
  #       # GitHub Windows images don't have `AGENT_TOOLSDIRECTORY` variable
  #       echo ::set-env name=AGENT_TOOLSDIRECTORY::$RUNNER_TOOL_CACHE
  #     shell: bash

  #   - name: Fully cleanup the toolcache directory before testing
  #     run: ./helpers/clean-toolcache.ps1 -ToolName "go"
  #     shell: pwsh

  #   - name: Download artifact
  #     uses: actions/download-artifact@v2
  #     with:
  #       path: ${{ runner.temp }}

  #   - name: Extract files
  #     run: |
  #       if ('${{ matrix.platform }}' -eq 'win32') {
  #         $artifactName = "go-${{ env.VERSION }}-${{ matrix.platform }}-${{ env.ARCHITECTURE }}.7z"
  #         7z.exe x "$artifactName" -y | Out-Null 
  #       } else {
  #         $artifactName = "go-${{ env.VERSION }}-${{ matrix.platform }}-${{ env.ARCHITECTURE }}.tar.gz"
  #         tar -xzf $artifactName
  #       }
  #     working-directory: ${{ runner.temp }}/go-${{ env.VERSION }}-${{ matrix.platform }}
  #     shell: pwsh

  #   - name: Apply build artifact to the local machine
  #     run: |
  #       if ('${{ matrix.platform }}' -eq 'win32') { powershell ./setup.ps1 } else { sh ./setup.sh }
  #     working-directory: ${{ runner.temp }}/go-${{ env.VERSION }}-${{ matrix.platform }}
  #     shell: pwsh

  #   - name: Setup Go ${{ env.VERSION }}
  #     uses: actions/setup-go@v2.1.1
  #     with:
  #       go-version: ${{ env.VERSION }}

  #   - name: Wait for the logs
  #     run: |
  #       Write-Host "Fake step that do nothing"
  #       Write-Host "We need it because log of previous step 'Setup Go' is not available here yet."
  #       Write-Host "In testing step (Go.Tests.ps1) we analyze build log of 'Setup Go' task"
  #       Write-Host "to determine if Go.js version was consumed from cache and was downloaded"
  #     shell: pwsh

  #   - name: Run tests
  #     run: |
  #       Install-Module Pester -Force -Scope CurrentUser -RequiredVersion 4.10.1
  #       Import-Module Pester
  #       $pesterParams = @{
  #         Path="./Go.Tests.ps1";
  #         Parameters=@{
  #           Version="$env:VERSION";
  #         }
  #       }
  #       Invoke-Pester -Script $pesterParams -EnableExit -OutputFile "test_results.xml" -OutputFormat NUnitXml
  #     working-directory: ./tests
  #     shell: pwsh

  publish_release:
    name: Publish release
    if: github.event.inputs.PUBLISH_RELEASES == 'true'
    # needs: test_go
    runs-on: ubuntu-latest
    outputs:
      upload_url: ${{ steps.create_release.outputs.upload_url }}
    steps:
    - uses: actions/download-artifact@v2

    - name: Publish Release ${{ env.VERSION }}
      id: create_release
      uses: actions/create-release@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        tag_name: ${{ env.VERSION }}-${{ github.run_id }}
        release_name: ${{ env.VERSION }}
        body: |
          Upload Go ${{ env.VERSION }}

    - name: Upload release assets
      uses: actions/github-script@v2
      with:
        github-token: ${{ secrets.GITHUB_TOKEN }}
        script: |
          const fs = require('fs');
          for (let artifactDir of fs.readdirSync('.')) {
            let artifactName = fs.readdirSync(`${artifactDir}`)[0];
            console.log(`Upload ${artifactName} asset`);
            github.repos.uploadReleaseAsset({
              owner: context.repo.owner,
              repo: context.repo.repo,
              release_id: ${{ steps.create_release.outputs.id }},
              name: artifactName,
              data: fs.readFileSync(`./${artifactDir}/${artifactName}`) 
            });
          }

  trigger_pr:
    name: Trigger Pull Request
    needs:   publish_release
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
      with:
        submodules: true

    - name: Trigger "Create Pull Request" workflow
      uses: actions/github-script@v2
      with:
        github-token: ${{ secrets.PERSONAL_TOKEN }}
        script: |
          # TODO: currently 'actions.createWorkflowDispatch' function does not work. I will investigate  
          github.repos.createDispatchEvent({
            owner: context.repo.owner,
            repo: context.repo.repo,
            event_type: 'create-pr'
          });