name: Publish NuGet (on push to main)

# 触发条件：当有标签被推送到仓库时触发该工作流。
# 支持任意格式的标签名，例如 `1.0.0` 或 `v1.0.0`。
on:
  push:
    tags:
      - '*'   # 匹配所有标签推送事件

# 权限设置：授予写入 contents 的权限，
# 这样 GITHUB_TOKEN 才能调用 GitHub Releases API 创建发布。
permissions:
  contents: write
  packages: write

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          persist-credentials: true

      - name: Setup .NET
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: 9.0.x

      - name: Restore dependencies
        run: dotnet restore

      - name: Build
        run: dotnet build --no-restore -c Release

      - name: Test
        run: dotnet test --no-build -c Release --verbosity normal

      - name: Pack
        run: dotnet pack --no-build -c Release -o ./packages

      - name: Show packages
        run: ls -la ./packages || true

      - name: Publish to NuGet
        env:
          NUGET_API_KEY: ${{ secrets.NUGET_API_KEY }}
        run: |
          set -e
          if [ -z "$(ls -A ./packages 2>/dev/null)" ]; then
            echo "No packages found in ./packages"
            exit 1
          fi
          echo "Publishing packages to nuget.org..."
          dotnet nuget push "./packages/*.nupkg" \
            --api-key $NUGET_API_KEY \
            --source https://api.nuget.org/v3/index.json \
            --skip-duplicate