jobs:
  - job: CreateDocIndex
    pool:
      vmImage: windows-2019
    steps:
      - task: UsePythonVersion@0
        displayName: 'Use Python 3.6'
        inputs:
          versionSpec: '3.6'

      - pwsh: |
          Invoke-WebRequest -Uri "https://github.com/dotnet/docfx/releases/download/v2.43.2/docfx.zip" `
          -OutFile "docfx.zip" | Wait-Process; Expand-Archive -Path "docfx.zip" -DestinationPath ./docfx
          echo "##vso[task.setvariable variable=docfxPath]$(Build.BinariesDirectory)/docfx/docfx.exe"
        workingDirectory: $(Build.BinariesDirectory)
        displayName: Download and Extract DocFX

      - task: PowerShell@2
        displayName: 'Generate Doc Index'
        inputs:
          pwsh: true
          filePath: $(Build.SourcesDirectory)/eng/common/docgeneration/Generate-DocIndex.ps1 
          arguments: >
            -Docfx $(docfxPath)
            -RepoRoot $(Build.SourcesDirectory)
            -DocGenDir "$(Build.SourcesDirectory)/eng/common/docgeneration"
            -DocOutDir "$(Build.ArtifactStagingDirectory)/docfx_project"
            -verbose

      - task: UsePythonVersion@0
        displayName: 'Use Python 3.6'
        inputs:
          versionSpec: '3.6'
      - template: /eng/common/pipelines/templates/steps/mashup-doc-index.yml
        parameters:
          SourceDirectory: $(Build.ArtifactStagingDirectory)
      - pwsh: |
          Copy-Item -Path $(Build.SourcesDirectory)/eng/* -Destination ./ -Recurse -Force
          echo "##vso[task.setvariable variable=toolPath]$(Build.BinariesDirectory)"
        workingDirectory: $(Build.BinariesDirectory)
        displayName: Move eng/common to Tool Directory   

      - task: PublishPipelineArtifact@0
        condition: succeeded()
        inputs:
          artifactName: "Doc.Index"
          targetPath: $(Build.ArtifactStagingDirectory)/docfx_project/_site
          
      - pwsh: |
          git checkout -b gh-pages-local --track origin/gh-pages-root -f
        workingDirectory: $(Build.SourcesDirectory)
        displayName: Git pull GH pages branch

      - pwsh: |
          Copy-Item -Path $(Build.ArtifactStagingDirectory)/docfx_project/_site/* -Destination ./ -Recurse -Force
          git add -A
        workingDirectory: $(Build.SourcesDirectory)
        displayName: Copy the latest changes

      - task: PowerShell@2
        displayName: Push the Docs to GH-Pages
        condition: succeeded()
        inputs:
          pwsh: true
          workingDirectory: $(Build.SourcesDirectory)
          filePath: $(toolPath)/common/scripts/git-branch-push.ps1
          arguments: >
            -PRBranchName "gh-pages"
            -CommitMsg "Auto-generated docs from SHA(s) $(Build.SourceVersion)"
            -GitUrl "https://$(azuresdk-github-pat)@github.com/$(Build.Repository.Name).git"
            -PushArgs "--force"