name: AuTo Docker Image


on:
  push:
    branches: [main]

  # 保留手动触发作为备选
  workflow_dispatch:
    inputs:
      version_type:
        description: '版本递增类型'
        required: true
        default: 'patch'
        type: choice
        options:
          - patch    # 0.0.x
          - minor    # 0.x.0
          - major    # x.0.0

permissions:
  contents: write  # 需要写入权限来更新版本文件
  packages: write

jobs:
  version-and-publish:
    runs-on: ubuntu-latest
    outputs:
      new_version: ${{ steps.bump_version.outputs.new_version }}
      tag: ${{ steps.bump_version.outputs.tag }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0  # 获取完整历史以便版本计算
          token: ${{ secrets.GITHUB_TOKEN }}

      # 1. 获取或初始化版本号
      - name: Get current version
        id: get_version
        run: |
          # 从文件读取版本号，或使用默认值
          if [ -f VERSION ]; then
            CURRENT_VERSION=$(cat VERSION)
          else
            CURRENT_VERSION="0.0.0"
            echo $CURRENT_VERSION > VERSION
          fi
          echo "current_version=$CURRENT_VERSION" >> $GITHUB_OUTPUT
          
          # 分离版本组成部分
          MAJOR=$(echo $CURRENT_VERSION | cut -d. -f1)
          MINOR=$(echo $CURRENT_VERSION | cut -d. -f2)
          PATCH=$(echo $CURRENT_VERSION | cut -d. -f3)
          echo "major=$MAJOR" >> $GITHUB_OUTPUT
          echo "minor=$MINOR" >> $GITHUB_OUTPUT
          echo "patch=$PATCH" >> $GITHUB_OUTPUT

      # 2. 计算新版本号
      - name: Bump version
        id: bump_version
        run: |
          MAJOR=${{ steps.get_version.outputs.major }}
          MINOR=${{ steps.get_version.outputs.minor }}
          PATCH=${{ steps.get_version.outputs.patch }}
          
          # 手动触发时根据选择递增
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            TYPE="${{ github.event.inputs.version_type }}"
            if [ "$TYPE" = "major" ]; then
              MAJOR=$((MAJOR + 1))
              MINOR=0
              PATCH=0
            elif [ "$TYPE" = "minor" ]; then
              MINOR=$((MINOR + 1))
              PATCH=0
            else  # patch
              PATCH=$((PATCH + 1))
            fi
          else
            # 自动触发时默认 patch 递增
            PATCH=$((PATCH + 1))
          fi
          
          NEW_VERSION="${MAJOR}.${MINOR}.${PATCH}"
          echo "new_version=$NEW_VERSION" >> $GITHUB_OUTPUT
          echo "tag=MMTL-v${NEW_VERSION}" >> $GITHUB_OUTPUT
          echo "tag=mmtl-v${NEW_VERSION}" >> $GITHUB_OUTPUT

      # 3. 更新 VERSION 文件
      - name: Update version file
        run: |
          echo "${{ steps.bump_version.outputs.new_version }}" > VERSION
          
          # 如果存在 go.mod，也更新其中的版本（可选）
          # if [ -f go.mod ]; then
          #   sed -i "s/^version .*/version ${{ steps.bump_version.outputs.new_version }}/" go.mod
          # fi

      # 4. 提交版本变更
      - name: Commit version bump
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add VERSION
          git commit -m "chore: bump version to ${{ steps.bump_version.outputs.new_version }} [skip ci]"
          git push

      # 5. 创建 Git Tag
      - name: Create and push tag
        run: |
          TAG="${{ steps.bump_version.outputs.tag }}"
          git tag $TAG
          git push origin $TAG

      # 6. 设置 Docker QEMU 和 Buildx
      - uses: docker/setup-qemu-action@v3
      - uses: docker/setup-buildx-action@v3

      # 7. 登录 GHCR
      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      # 8. 提取镜像元数据
      - name: Extract image metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/${{ github.repository_owner }}/mmtl
          tags: |
            type=raw,value=latest
            type=raw,value=${{ steps.bump_version.outputs.tag }}
            type=raw,value=${{ steps.bump_version.outputs.new_version }}

      # 9. 构建并推送
      - name: Build & push
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          provenance: false
          sbom: false
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            VERSION=${{ steps.bump_version.outputs.new_version }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

  # 单文件可执行构建：把前端打包进二进制（go:embed），交叉编译 Windows /
  # Linux / macOS 的 amd64 / arm64 产物，作为 GitHub Release 附件发布。
  build-frontend:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'
          cache-dependency-path: web/package-lock.json
      - name: Install
        working-directory: web
        run: npm ci
      - name: Build SPA
        working-directory: web
        run: npm run build
      - name: Upload web/dist
        uses: actions/upload-artifact@v4
        with:
          name: web-dist
          path: web/dist
          retention-days: 1

  # 先创建（幂等）空的 GitHub Release，供后续 build-binaries 并行上传附件，
  # 也避免矩阵各 job 并发 upload 时 release 尚不存在而互相竞争。
  publish-create-release:
    needs: [version-and-publish]
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v4
      - name: Create release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          RELEASE_TAG: ${{ needs.version-and-publish.outputs.tag }}
        run: |
          set -eux
          # tag 已由 version-and-publish 推送；若 release 已存在则忽略（--verify-tag 幂等）
          gh release create "$RELEASE_TAG" \
            --title "MMTL ${{ needs.version-and-publish.outputs.new_version }}" \
            --notes "自动化发布 ${{ needs.version-and-publish.outputs.new_version }}" \
            --verify-tag --latest || true

  build-binaries:
    needs: [version-and-publish, build-frontend, publish-create-release]
    runs-on: ubuntu-latest
    permissions:
      contents: write
    strategy:
      fail-fast: false
      matrix:
        include:
          - goos: linux
            goarch: amd64
            ext: ""
          - goos: linux
            goarch: arm64
            ext: ""
          - goos: windows
            goarch: amd64
            ext: .exe
          - goos: windows
            goarch: arm64
            ext: .exe
          - goos: darwin
            goarch: amd64
            ext: ""
          - goos: darwin
            goarch: arm64
            ext: ""
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: '1.25'
          cache: true
      - name: Download web/dist
        uses: actions/download-artifact@v4
        with:
          name: web-dist
          path: web/dist
      - name: Build binary
        run: |
          CGO_ENABLED=0 GOOS=${{ matrix.goos }} GOARCH=${{ matrix.goarch }} \
            go build -trimpath -ldflags="-s -w -X main.version=${{ needs.version-and-publish.outputs.tag }}" \
            -o "dist/mmtl-${{ matrix.goos }}-${{ matrix.goarch }}${{ matrix.ext }}" ./cmd/server
      - name: Package
        run: |
          mkdir -p package/mmtl
          cp "dist/mmtl-${{ matrix.goos }}-${{ matrix.goarch }}${{ matrix.ext }}" package/mmtl/mmtl${{ matrix.ext }}
          cp README.md package/mmtl/ 2>/dev/null || true
          if [ "${{ matrix.goos }}" = "windows" ]; then
            (cd package && zip -r "../mmtl_${{ matrix.goos }}_${{ matrix.goarch }}.zip" mmtl)
          else
            tar -czf "mmtl_${{ matrix.goos }}_${{ matrix.goarch }}.tar.gz" -C package mmtl
          fi
      - name: Upload to GitHub Release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          RELEASE_TAG: ${{ needs.version-and-publish.outputs.tag }}
        run: |
          set -eux
          PKG="mmtl_${{ matrix.goos }}_${{ matrix.goarch }}.zip"
          TAR="mmtl_${{ matrix.goos }}_${{ matrix.goarch }}.tar.gz"
          # 并发上传到同一 release 各自文件，--clobber 幂等覆盖
          if [ -f "$PKG" ]; then
            for i in 1 2 3; do gh release upload "$RELEASE_TAG" "$PKG" --clobber && break || sleep 5; done
          fi
          if [ -f "$TAR" ]; then
            for i in 1 2 3; do gh release upload "$RELEASE_TAG" "$TAR" --clobber && break || sleep 5; done
          fi