# Prism CI：单元测试 + 多架构镜像发布到 Gitea Container Registry
#
# 前置条件：
#   1. 在线 act_runner（runs-on: ubuntu-latest）
#   2. 仓库 Secret：REGISTRY_TOKEN（write:package 权限的 PAT）
#
# 说明：Go/Docker 步骤使用 shell + 国内镜像，避免 actions/setup-go 从 GitHub 下载卡住

name: CI

on:
  push:
    branches: [main, master]
    tags: ['v*']
  pull_request:

env:
  REGISTRY: git.rc707blog.top
  IMAGE_NAME: prism
  GOPROXY: https://goproxy.cn,direct
  GOSUMDB: sum.golang.google.cn

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Go
        run: |
          set -eux
          GO_VERSION=$(grep '^go ' go.mod | awk '{print $2}')
          ARCH=$(uname -m | sed 's/x86_64/amd64/; s/aarch64/arm64/')
          TAR="go${GO_VERSION}.linux-${ARCH}.tar.gz"

          if command -v go >/dev/null 2>&1 && go version | grep -q "go${GO_VERSION} "; then
            go version
          else
            downloaded=0
            for url in \
              "https://mirrors.aliyun.com/golang/${TAR}" \
              "https://golang.google.cn/dl/${TAR}" \
              "https://go.dev/dl/${TAR}"; do
              echo "trying ${url}"
              if curl -fsSL --connect-timeout 20 --retry 3 --retry-delay 5 --max-time 600 \
                "$url" -o /tmp/go.tgz; then
                downloaded=1
                break
              fi
            done
            if [ "$downloaded" -ne 1 ]; then
              echo "failed to download Go ${GO_VERSION}" >&2
              exit 1
            fi
            rm -rf /usr/local/go
            tar -C /usr/local -xzf /tmp/go.tgz
          fi
          echo "/usr/local/go/bin" >> "$GITHUB_PATH"
          /usr/local/go/bin/go version

      - name: Run tests
        run: go test ./...

  docker:
    runs-on: ubuntu-latest
    needs: test
    if: gitea.event_name == 'push'
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Log in to Gitea Container Registry
        run: |
          set -eux
          echo "${{ secrets.REGISTRY_TOKEN }}" | \
            docker login "${{ env.REGISTRY }}" -u "${{ gitea.actor }}" --password-stdin

      - name: Build and push
        env:
          GITEA_SHA: ${{ gitea.sha }}
          GITEA_REF: ${{ gitea.ref }}
          GITEA_REPOSITORY_OWNER: ${{ gitea.repository_owner }}
        run: |
          set -eux
          image="${REGISTRY}/${GITEA_REPOSITORY_OWNER}/${IMAGE_NAME}"
          tags="${image}:sha-${GITEA_SHA:0:7}"
          case "${GITEA_REF}" in
            refs/heads/main|refs/heads/master)
              tags="${tags},${image}:latest"
              ;;
            refs/tags/v*)
              tags="${tags},${image}:${GITEA_REF#refs/tags/}"
              ;;
          esac

          docker run --privileged --rm tonistiigi/binfmt --install all 2>/dev/null || true
          docker buildx create --name prism-builder --use 2>/dev/null || docker buildx use prism-builder
          docker buildx inspect --bootstrap

          tag_args=()
          IFS=',' read -r -a tag_list <<< "$tags"
          for t in "${tag_list[@]}"; do
            tag_args+=(-t "$t")
          done

          docker buildx build \
            --platform linux/amd64,linux/arm64 \
            -f Dockerfile \
            "${tag_args[@]}" \
            --push \
            .