name: CI

on:
  push:
    branches:
      - main

  pull_request:

jobs:
  ci:
    runs-on: ubuntu-latest

    steps:
      - name: Repo clone (go mod tidy / gofmt)
        if: github.event_name != 'pull_request'
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@v2
        with:
          go-version: 1.17

      - name: Setup Git
        if: github.event_name != 'pull_request'
        run: |
          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"

      - name: Tidy
        if: github.event_name != 'pull_request'
        run: |
          go mod tidy
          git add .
          git diff-index --quiet HEAD || git commit -m "go mod tidy"

      - name: GoFmt
        if: github.event_name != 'pull_request'
        run: |
          go fmt ./...
          git add .
          git diff-index --quiet HEAD || git commit -m "gofmt"

      - name: Pull changes
        if: github.event_name != 'pull_request'
        run: git pull -r

      - name: Push changes
        if: github.event_name != 'pull_request'
        uses: ad-m/github-push-action@master
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          branch: ${{ github.ref }}

      - name: Repo clone (test)
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Test
        run: go test -v ./...

      - name: Semantic Release
        if: github.event_name != 'pull_request'
        uses: go-semantic-release/action@v1
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}