name: Test

on:
  pull_request:
    branches:
      - main
      - master

jobs:
  test:
    name: Run Tests
    runs-on: x86_64-linux
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: "1.25.3"
      - run: go mod download
      - run: go test -v -race -coverprofile=coverage.out ./...
      - run: go tool cover -func=coverage.out

  lint:
    name: Lint
    runs-on: x86_64-linux
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: "1.25.3"
      - run: go vet ./...
      - name: Check formatting
        run: |
          if [ -n "$(gofmt -l .)" ]; then
            echo "Go files are not formatted:"
            gofmt -l .
            exit 1
          fi
      - name: Check go.mod tidy
        run: |
          go mod tidy
          if [ -n "$(git diff --name-only go.mod go.sum)" ]; then
            echo "go.mod or go.sum is not tidy. Run 'go mod tidy' and commit the changes."
            git diff go.mod go.sum
            exit 1
          fi
      - name: golangci-lint
        uses: golangci/golangci-lint-action@v7
        with:
          version: latest
      - name: Install govulncheck
        run: go install golang.org/x/vuln/cmd/govulncheck@latest
      - name: Run govulncheck
        run: govulncheck ./...

  build:
    name: Build
    runs-on: debian-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: "1.25.3"
      - name: Build Go binaries
        run: |
          CGO_ENABLED=0 GOOS=linux go build -ldflags="-w -s" -o ./bin/cairn-server ./cmd/cairn-server
          CGO_ENABLED=0 GOOS=linux go build -ldflags="-w -s" -o ./bin/cairn ./cmd/cairn
      - name: Install Docker CLI
        run: |
          apt-get update && apt-get install -y curl
          curl -fsSL https://download.docker.com/linux/static/stable/x86_64/docker-27.5.1.tgz \
            | tar xz --strip-components=1 -C /usr/local/bin docker/docker
      - name: Wait for Docker
        run: |
          timeout=30
          elapsed=0
          while ! docker info >/dev/null 2>&1; do
            [ $elapsed -ge $timeout ] && echo "Docker not ready" && exit 1
            sleep 2
            elapsed=$((elapsed + 2))
          done
      - name: Build Docker image
        run: docker build -t cairn:test .