name: CI

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
  test:
    name: Test
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go-version: ['1.18', '1.21']
    steps:
      - uses: actions/checkout@v7

      - name: Set up Go
        uses: actions/setup-go@v6
        with:
          go-version: ${{ matrix.go-version }}

      - name: Cache Go modules
        uses: actions/cache@v6
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ matrix.go-version }}-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-${{ matrix.go-version }}-

      - name: Download dependencies
        run: go mod download

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

      - name: Upload coverage
        uses: codecov/codecov-action@v7
        with:
          files: ./coverage.out
          flags: unittests
          name: codecov-umbrella

  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7

      - name: Set up Go
        uses: actions/setup-go@v6
        with:
          go-version: '1.21'

      - name: golangci-lint
        uses: golangci/golangci-lint-action@v9
        with:
          version: latest
          args: --timeout=5m

  build:
    name: Build
    runs-on: ubuntu-latest
    needs: [test, lint]
    steps:
      - uses: actions/checkout@v7

      - name: Set up Go
        uses: actions/setup-go@v6
        with:
          go-version: '1.21'

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

      - name: Verify module
        run: go mod verify