name: Main

on:
  push:
    branches:
      - master
    tags:
      - v*
  pull_request:

jobs:

  main:
    name: Main Process
    runs-on: ubuntu-latest
    env:
      GO_VERSION: 1.16
      GOLANGCI_LINT_VERSION: v1.38.0
      HUGO_VERSION: 0.54.0
      SEIHON_VERSION: v0.5.1
      CGO_ENABLED: 0
      LEGO_E2E_TESTS: CI
      MEMCACHED_HOSTS: localhost:11211

    steps:

      # https://github.com/marketplace/actions/setup-go-environment
      - name: Set up Go ${{ env.GO_VERSION }}
        uses: actions/setup-go@v2
        with:
          go-version: ${{ env.GO_VERSION }}

      # https://github.com/marketplace/actions/checkout
      - name: Check out code
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      # https://github.com/marketplace/actions/cache
      - name: Cache Go modules
        uses: actions/cache@v2
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: Check and get dependencies
        run: |
          go mod download
          go mod tidy
          git diff --exit-code go.mod
          git diff --exit-code go.sum

      - name: Documentation validation
        run: make validate-doc

      # https://golangci-lint.run/usage/install#other-ci
      - name: Install golangci-lint ${{ env.GOLANGCI_LINT_VERSION }}
        run: |
          curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin ${GOLANGCI_LINT_VERSION}
          golangci-lint --version

      - name: Install Pebble and challtestsrv
        run: GO111MODULE=off go get -u github.com/letsencrypt/pebble/...

      - name: Set up a Memcached server
        uses: niden/actions-memcached@v7

      - name: Setup /etc/hosts
        run: |
          echo "127.0.0.1 acme.wtf" | sudo tee -a /etc/hosts
          echo "127.0.0.1 lego.wtf" | sudo tee -a /etc/hosts
          echo "127.0.0.1 acme.lego.wtf" | sudo tee -a /etc/hosts
          echo "127.0.0.1 légô.wtf" | sudo tee -a /etc/hosts
          echo "127.0.0.1 xn--lg-bja9b.wtf" | sudo tee -a /etc/hosts

      - name: Make
        run: |
          make
          make clean

      - name: Install Hugo
        run: |
          wget -O /tmp/hugo.deb https://github.com/gohugoio/hugo/releases/download/v${HUGO_VERSION}/hugo_${HUGO_VERSION}_Linux-64bit.deb
          sudo dpkg -i /tmp/hugo.deb

      - name: Build Documentation
        run: make docs-build

      # https://github.com/marketplace/actions/github-pages
      - name: Deploy to GitHub Pages
        uses: crazy-max/ghaction-github-pages@v2
        if: github.event_name == 'push'
        with:
          target_branch: gh-pages
          build_dir: docs/public
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      # https://goreleaser.com/ci/actions/
      - name: Run GoReleaser
        uses: goreleaser/goreleaser-action@v2
        if: startsWith(github.ref, 'refs/tags/v')
        with:
          version: latest
          args: release --rm-dist
        env:
          GITHUB_TOKEN: ${{ secrets.GH_TOKEN_REPO }}

      # Install Docker image multi-arch builder
      - name: Install Seihon ${{ env.SEIHON_VERSION }}
        if: startsWith(github.ref, 'refs/tags/v')
        run: |
          curl -sSfL https://raw.githubusercontent.com/ldez/seihon/master/godownloader.sh | sh -s -- -b $(go env GOPATH)/bin ${SEIHON_VERSION}
          seihon --version

      - name: Docker Login
        if: startsWith(github.ref, 'refs/tags/v')
        env:
          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
        run: echo "${DOCKER_PASSWORD}" | docker login --username "${DOCKER_USERNAME}" --password-stdin

      - name: Publish Docker Images (Seihon)
        if: startsWith(github.ref, 'refs/tags/v')
        run: make publish-images