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 & Generate Notes
        id: versioning
        run: |
          PREV_TAG=$(git tag -l "v*" --sort=-v:refname | head -n1)
          echo "Previous tag: $PREV_TAG"

          if [[ "${{ github.ref }}" == refs/tags/v* ]]; then
            TAG="${GITHUB_REF#refs/tags/}"
          else
            if [ -z "$PREV_TAG" ]; then
              TAG="v1.0.0"
            else
              VER_NUM="${PREV_TAG#v}"
              IFS='.' read -r MAJOR MINOR PATCH <<< "$VER_NUM"
              PATCH=$((PATCH + 1))
              TAG="v${MAJOR}.${MINOR}.${PATCH}"
            fi
            echo "Auto incremented patch version to $TAG"
            
            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

          # 生成详细的 Release Changelog 正文
          cat << NOTES > release_notes.md
          ### 🚀 What's Changed in ${TAG}

          NOTES

          if [ -n "$PREV_TAG" ]; then
            git log "${PREV_TAG}..HEAD" --pretty=format:"- %s (%h by @%an)" >> release_notes.md
          else
            git log -n 10 --pretty=format:"- %s (%h by @%an)" >> release_notes.md
          fi

          echo "" >> release_notes.md
          echo "" >> release_notes.md
          if [ -n "$PREV_TAG" ]; then
            echo "**Full Changelog**: https://github.com/${{ github.repository }}/compare/${PREV_TAG}...${TAG}" >> release_notes.md
          fi
          cat release_notes.md

      - 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 }}
          body_path: release_notes.md
          files: |
            dist/*