name: Release

on:
  push:
    branches:
      - main
    tags:
      - 'v*'

permissions:
  contents: write

jobs:
  build:
    name: Build & Release
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Determine Version Tag
        id: versioning
        run: |
          if [[ "${{ github.ref }}" == refs/tags/v* ]]; then
            TAG="${GITHUB_REF#refs/tags/}"
          else
            # 获取最新语义化版本 tag (例如 v1.1.0)
            LATEST_TAG=$(git tag -l "v*" --sort=-v:refname | head -n1)
            if [ -z "$LATEST_TAG" ]; then
              LATEST_TAG="v1.0.0"
            fi
            # 去除前缀 v
            VER_NUM="${LATEST_TAG#v}"
            # 拆解 MAJOR.MINOR.PATCH
            IFS='.' read -r MAJOR MINOR PATCH <<< "$VER_NUM"
            PATCH=$((PATCH + 1))
            TAG="v${MAJOR}.${MINOR}.${PATCH}"
            echo "Auto incremented patch version to $TAG"
            
            # 打上本地 tag 并推送到远程
            git config user.name "github-actions[bot]"
            git config user.email "github-actions[bot]@users.noreply.github.com"
            git tag "$TAG"
            git push origin "$TAG"
          fi
          echo "tag=$TAG" >> $GITHUB_OUTPUT

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.22'

      - name: Build Hub & Agent
        run: |
          mkdir -p dist
          # Linux AMD64
          CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -trimpath -ldflags "-s -w" -o dist/vps-commander-hub-linux-amd64 ./cmd/hub
          CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -trimpath -ldflags "-s -w" -o dist/vps-commander-agent-linux-amd64 ./cmd/agent
          
          # Linux ARM64
          CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -trimpath -ldflags "-s -w" -o dist/vps-commander-hub-linux-arm64 ./cmd/hub
          CGO_ENABLED=0 GOOS=linux GOARCH=arm64 go build -trimpath -ldflags "-s -w" -o dist/vps-commander-agent-linux-arm64 ./cmd/agent

          # Checksums
          cd dist
          sha256sum * > checksums.txt
          cd ..

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.versioning.outputs.tag }}
          name: Release ${{ steps.versioning.outputs.tag }}
          files: |
            dist/*
          generate_release_notes: true