name: Update C# API Docs

# Run when the C# API changes or every month so that the artifact does not expire
on:
  push:
    branches:
      - main
    paths:
      - csharp/**
  schedule:
    - cron: '0 0 1,15 * *'
  workflow_dispatch:

concurrency:
  group: "apidocs-csharp"
  cancel-in-progress: false

permissions:
  contents: write

jobs:
  build:
    runs-on: ["self-hosted", "1ES.Pool=onnxruntime-github-vs2022-mms"]
    env:
      DOCFXVERSION: 2.62.2
    steps:
    - uses: actions/checkout@v4
    - name: Install DocFX
      run: |
        dotnet tool update -g docfx
    - name: Update PATH
      run: |
        Add-Content -Value "$env:USERPROFILE\.dotnet\tools" -Encoding utf8 -Path $env:GITHUB_PATH
    # NOTE: We need to restore Microsoft.ML.OnnxRuntime.csproj manually to set IncludeMobileTargets=false
    # docfx doesn't seem to be able to do that properly resulting in build errors
    - name: Restore dependencies
      run: |
        dotnet restore csharp/ApiDocs/ApiDocs.csproj
        dotnet restore /p:IncludeMobileTargets=false csharp/src/Microsoft.ML.OnnxRuntime/Microsoft.ML.OnnxRuntime.csproj
    - name: docfx metadata
      run: |
        docfx metadata csharp/ApiDocs/docfx.json
    - name: Build ApiDocs project
      run: |
        dotnet build csharp/ApiDocs/ApiDocs.csproj --no-restore
    - name: docfx build
      run: |
        docfx build csharp/ApiDocs/docfx.json
    - name: Log source commit
      run: git rev-parse --short HEAD > csharp/ApiDocs/csharp/source-version.txt
    - name: Move C# docs into site
      shell: pwsh
      run: |
        New-Item -Path _site/docs/api -Force -ItemType "Directory" | Out-Null
        $OutputDirectory="_site/docs/api/csharp"
        if (Test-Path $OutputDirectory) { Remove-Item -Recurse -Force $OutputDirectory }
        Move-Item -Path csharp\ApiDocs\csharp -Destination $OutputDirectory
    - name: Upload docs artifact
      uses: actions/upload-artifact@v4
      with:
        name: onnxruntime-csharp-apidocs
        path: _site
        retention-days: 30