name: Build and Push Images + GOST

on:
  push:
    branches:
      - main
  workflow_dispatch:  # 可以手动触发

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Set release version
        # 直接写这次更新的版本号，或者用 workflow_dispatch 输入
        run: |
          RELEASE_VERSION="2.0.0"
          echo "RELEASE_VERSION=$RELEASE_VERSION" >> $GITHUB_ENV
          echo "Release version: $RELEASE_VERSION"

      - name: Get latest Git tag
        id: get_tag
        run: |
          LATEST_TAG=$(git describe --tags --abbrev=0 || echo "")
          echo "LATEST_TAG=$LATEST_TAG" >> $GITHUB_ENV
          echo "Latest tag: $LATEST_TAG"

      - name: Compare version with latest tag
        id: compare
        run: |
          if [ "v${RELEASE_VERSION}" = "$LATEST_TAG" ]; then
            echo "Version matches latest tag, skipping build"
            echo "SKIP_BUILD=true" >> $GITHUB_ENV
          else
            echo "New version detected, building"
            echo "SKIP_BUILD=false" >> $GITHUB_ENV

      - name: Create Git tag for new version
        if: env.SKIP_BUILD == 'false'
        run: |
          git config user.name "github-actions"
          git config user.email "github-actions@users.noreply.github.com"
          git tag -a "v${RELEASE_VERSION}" -m "Release v${RELEASE_VERSION}"
          git push origin "v${RELEASE_VERSION}"

      - name: Build & Release GOST
        if: env.SKIP_BUILD == 'false'
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          cd go-gost
          CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-s -w" -o gost
          upx --best --lzma gost
          cd ..
          
          if gh release view "v${RELEASE_VERSION}" 2>/dev/null; then
            echo "Release exists, updating GOST binary"
          else
            gh release create "v${RELEASE_VERSION}" go-gost/gost \
              --title "GOST Binary v${RELEASE_VERSION}" \
              --notes "GOST compiled from commit ${{ github.sha }}"
          fi
          gh release upload "v${RELEASE_VERSION}" ./go-gost/gost --clobber

      - name: Set up Docker Buildx
        if: env.SKIP_BUILD == 'false'
        uses: docker/setup-buildx-action@v2

      - name: Docker login
        if: env.SKIP_BUILD == 'false'
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_HUB_USERNAME }}
          password: ${{ secrets.DOCKER_HUB_TOKEN }}

      - name: Build and push Vite Docker
        if: env.SKIP_BUILD == 'false'
        run: |
          docker buildx build \
            --platform linux/amd64 \
            --push \
            -t bqlpfy/vite-frontend:${RELEASE_VERSION} \
            -t bqlpfy/vite-frontend:latest \
            ./vite-frontend

      - name: Build and push Java Docker
        if: env.SKIP_BUILD == 'false'
        run: |
          cd springboot-backend
          mvn clean package -DskipTests
          cd ..
          docker buildx build \
            --platform linux/amd64 \
            --push \
            -t bqlpfy/springboot-backend:${RELEASE_VERSION} \
            -t bqlpfy/springboot-backend:latest \
            ./springboot-backend