name: CI

on:
  push:
    branches: [master]
    tags: ["v*"]
  pull_request:
    branches: [master]

permissions:
  contents: read

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
          cache: true

      - name: Check formatting
        run: |
          go install mvdan.cc/gofumpt@latest
          output=$(gofumpt -l .)
          if [ -n "$output" ]; then
            echo "::error::Files need formatting:"
            echo "$output"
            exit 1
          fi

      - uses: golangci/golangci-lint-action@v7
        with:
          version: v2.1

      - name: Run lint
        run: golangci-lint run ./...

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

      - uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
          cache: true

      - name: Run unit tests
        run: go test -race -count=1 ./internal/...

  build:
    name: Build
    needs: [lint, test]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
          cache: true

      - name: Build
        run: make build

      - name: Verify binary
        run: ./bin/lolly --help

      - uses: actions/upload-artifact@v4
        with:
          name: lolly
          path: bin/lolly

  docker:
    name: Docker
    needs: build
    if: github.event_name == 'push'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: docker/setup-buildx-action@v3

      - name: Build Docker image
        run: docker build -t lolly:latest .