name: CI

on:
  push:
    branches:
      - main
      - release-*
  pull_request: {}

env:
  # Common versions
  GOLANGCI_VERSION: 'v1.54.2'
  KUBERNETES_VERSION: '1.28.x'

  # Sonar
  SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}

permissions:
  contents: read

jobs:
  detect-noop:
    permissions:
      actions: write  # for fkirc/skip-duplicate-actions to skip or stop workflow runs
      contents: read  # for fkirc/skip-duplicate-actions to read and compare commits
    runs-on: ubuntu-latest
    outputs:
      noop: ${{ steps.noop.outputs.should_skip }}
    steps:
      - name: Detect No-op Changes
        id: noop
        uses: fkirc/skip-duplicate-actions@f75f66ce1886f00957d99748a42c724f4330bdcf # v5.3.1
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          paths_ignore: '["**.md", "**.png", "**.jpg"]'
          do_not_skip: '["workflow_dispatch", "schedule", "push"]'
          concurrent_skipping: false

  lint:
    permissions:
      contents: read  # for actions/checkout to fetch code
      pull-requests: read  # for golangci/golangci-lint-action to fetch pull requests
    runs-on: ubuntu-latest
    needs: detect-noop
    if: needs.detect-noop.outputs.noop != 'true' && github.ref != 'refs/heads/main'

    steps:
      - name: Checkout
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1

      - name: Setup Go
        uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
        id: setup-go
        with:
          go-version-file: "go.mod"

      - name: Download Go modules
        if: ${{ steps.setup-go.outputs.cache-hit != 'true' }}
        run: go mod download

      - name: Lint
        uses: golangci/golangci-lint-action@3a919529898de77ec3da873e3063ca4b10e7f5cc # v3.7.0
        with:
          version: ${{ env.GOLANGCI_VERSION }}
          skip-pkg-cache: true
          skip-build-cache: true

  check-diff:
    runs-on: ubuntu-latest
    needs: detect-noop
    if: needs.detect-noop.outputs.noop != 'true' && github.ref != 'refs/heads/main'

    steps:
      - name: Checkout
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1

      - name: Setup Go
        uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
        id: setup-go
        with:
          go-version-file: "go.mod"

      - name: Download Go modules
        if: ${{ steps.setup-go.outputs.cache-hit != 'true' }}
        run: go mod download

      - name: Configure Git
        run: |
          git config user.name "$GITHUB_ACTOR"
          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"

      - name: Check Diff
        run: |
          make check-diff

  unit-tests:
    runs-on: ubuntu-latest
    needs: detect-noop
    if: needs.detect-noop.outputs.noop != 'true' && github.ref != 'refs/heads/main'

    steps:
      - name: Checkout
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1

      - name: Fetch History
        run: git fetch --prune --unshallow

      - name: Setup Go
        uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
        id: setup-go
        with:
          go-version-file: "go.mod"

      - name: Download Go modules
        if: ${{ steps.setup-go.outputs.cache-hit != 'true' }}
        run: go mod download

      - name: Cache envtest binaries
        uses: actions/cache@13aacd865c20de90d75de3b17ebe84f7a17d57d2 # v4.0.0
        with:
          path: bin/k8s
          key: ${{ runner.os }}-envtest-${{env.KUBERNETES_VERSION}}

      - name: Run Unit Tests
        run: |
          make test

      - name: Publish Unit Test Coverage
        uses: codecov/codecov-action@e0b68c6749509c5f83f984dd99a76a1c1a231044 # v4.0.1
        with:
          flags: unittests
          file: ./cover.out

  publish-artifacts:
    needs: detect-noop
    if: needs.detect-noop.outputs.noop != 'true'
    uses: ./.github/workflows/publish.yml
    permissions:
      id-token: write
      contents: read
    strategy:
      matrix:
        include:
        - dockerfile: "Dockerfile"
          build-args: "CGO_ENABLED=0"
          build-arch: "amd64 arm64 s390x"
          build-platform: "linux/amd64,linux/arm64,linux/s390x"
          tag-suffix: "" # distroless
        - dockerfile: "Dockerfile.ubi"
          build-args: "CGO_ENABLED=0"
          build-arch: "amd64 arm64"
          build-platform: "linux/amd64,linux/arm64"
          tag-suffix: "-ubi"
        - dockerfile: "Dockerfile.ubi"
          build-args: "CGO_ENABLED=0 GOEXPERIMENT=boringcrypto"
          build-arch: "amd64"
          build-platform: "linux/amd64"
          tag-suffix: "-ubi-boringssl"
    with:
      dockerfile: ${{ matrix.dockerfile }}
      tag-suffix: ${{ matrix.tag-suffix }}
      image-name: ghcr.io/${{ github.repository }}
      build-platform: ${{ matrix.build-platform }}
      build-args: ${{ matrix.build-args }}
      build-arch: ${{ matrix.build-arch }}
      ref: ${{ github.ref }}
    secrets:
      GHCR_USERNAME: ${{ secrets.GHCR_USERNAME }}
      GHCR_TOKEN: ${{ secrets.GHCR_TOKEN }}