name: CI

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  test:
    name: Test
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go-version: ['1.23', '1.24', '1.25']

    steps:
    - name: Checkout code
      uses: actions/checkout@v4

    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: ${{ matrix.go-version }}

    - name: Cache Go modules
      uses: actions/cache@v4
      with:
        path: ~/go/pkg/mod
        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
        restore-keys: |
          ${{ runner.os }}-go-

    - name: Download dependencies
      run: go mod download

    - name: Run tests
      run: go test -v -race -coverprofile=coverage.out -covermode=atomic ./...

    - name: Upload coverage to Codecov
      uses: codecov/codecov-action@v4
      with:
        file: ./coverage.out
        flags: unittests
        name: codecov-umbrella

  lint:
    name: Lint
    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v4

    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: '1.25'

    - name: golangci-lint
      uses: golangci/golangci-lint-action@v6
      with:
        version: latest
        args: --config=.golangci.json

  build:
    name: Build
    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v4

    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: '1.25'

    - name: Build
      run: go build -v ./cmd/relspec

    - name: Check mod tidiness
      run: |
        go mod tidy
        git diff --exit-code go.mod go.sum