name: go

on:
  push:
    paths:
      - alerter/**
    branches:
      - main
  pull_request:
    paths:
      - alerter/**
    branches:
      - main

env:
  GO111MODULE: "on"

jobs:
  lint:
    runs-on: ubuntu
    if: ${{ !contains(github.ref, 'calendar') }}
    steps:
      - name: Extract branch name
        run: echo "BRANCH=${GITHUB_REF#refs/heads/}" >> $GITHUB_ENV

      - name: Set up Go
        uses: actions/setup-go@v3
        with:
          go-version: ~1.22

      - name: Check out code
        uses: actions/checkout@v3

      - name: Linters
        uses: golangci/golangci-lint-action@v4.0.0
        with:
          version: latest
          skip-build-cache: true
          skip-pkg-cache: true
          working-directory: ./alerter

  tests:
    runs-on: ubuntu
    if: ${{ !contains(github.ref, 'calendar') }}
    steps:
      - name: Extract branch name
        run: echo "BRANCH=${GITHUB_REF#refs/heads/}" >> $GITHUB_ENV

      - name: Set up Go
        uses: actions/setup-go@v3
        with:
          go-version: ^1.22

      - name: Check out code
        uses: actions/checkout@v3

      - name: Unit tests
        run: go test -v -count=1 -race -timeout=1m ./...
        working-directory: ./alerter

      - name: Optimization tests
        run: go test -v -count=1 -timeout=1m -tags bench ./...
        if: env.BRANCH == 'hw10_program_optimization'
        working-directory: ./alerter