name: CI
run-name: "Test on master branch"
on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  test:
    name: Test
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go-version: ['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 unit tests
      run: make test

    - 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: Install golangci-lint
      run: |
        curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin latest
        echo "$(go env GOPATH)/bin" >> $GITHUB_PATH

    - name: Run linter
      run: make lint

  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: Download dependencies
      run: go mod download

    - name: Build binary
      run: make build

    - name: Verify binary exists
      run: |
        if [ ! -f build/relspec ]; then
          echo "Error: Binary not found at build/relspec"
          exit 1
        fi
        echo "Build successful: build/relspec"
        ls -lh build/relspec

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