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

      - name: Install Go
        run: |
          GO_VERSION=$(grep '^go ' go.mod | awk '{print $2}')
          curl -sL "https://go.dev/dl/go${GO_VERSION}.linux-amd64.tar.gz" | tar -C /usr/local -xzf -
          echo "/usr/local/go/bin" >> $GITHUB_PATH
          echo "$(go env GOPATH)/bin" >> $GITHUB_PATH

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

      - name: Run lint
        run: |
          go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest
          golangci-lint run ./...

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

      - name: Install Go
        run: |
          GO_VERSION=$(grep '^go ' go.mod | awk '{print $2}')
          curl -sL "https://go.dev/dl/go${GO_VERSION}.linux-amd64.tar.gz" | tar -C /usr/local -xzf -
          echo "/usr/local/go/bin" >> $GITHUB_PATH

      - 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

      - name: Install Go
        run: |
          GO_VERSION=$(grep '^go ' go.mod | awk '{print $2}')
          curl -sL "https://go.dev/dl/go${GO_VERSION}.linux-amd64.tar.gz" | tar -C /usr/local -xzf -
          echo "/usr/local/go/bin" >> $GITHUB_PATH

      - name: Build
        run: make build

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