name: Push

on:
  pull_request:
    types:
      - closed
    branches:
      - master
      - 'v**'

env:
  DOCKER_FILE_PATH: Dockerfile
  DOCKER_UBI_FILE_PATH: Dockerfile.ubi
  KUBERNETES_VERSION: "1.30.0"
  KIND_VERSION: "0.23.0"
  HELM_REGISTRY_URL: "https://stakater.github.io/stakater-charts"
  REGISTRY: ghcr.io

jobs:
  build:

    permissions:
      contents: read
      packages: write # to push artifacts to `ghcr.io`

    name: Build
    if: github.event.pull_request.merged == true
    runs-on: ubuntu-latest

    steps:
      - name: Check out code
        uses: actions/checkout@v5
        with:
          token: ${{ secrets.PUBLISH_TOKEN }}
          fetch-depth: 0 # otherwise, you will fail to push refs to dest repo
          submodules: recursive

      # Setting up helm binary
      - name: Set up Helm
        uses: azure/setup-helm@v4
        with:
          version: v3.11.3

      - name: Set up Go
        uses: actions/setup-go@v6
        with:
          go-version-file: 'go.mod'
          check-latest: true
          cache: true

      - name: Install Dependencies
        run: |
          make install

      - name: Run golangci-lint
        run: make lint

      - name: Install kubectl
        run: |
          curl -LO "https://storage.googleapis.com/kubernetes-release/release/v${KUBERNETES_VERSION}/bin/linux/amd64/kubectl"
          sudo install ./kubectl /usr/local/bin/ && rm kubectl
          kubectl version --client=true

      - name: Install Kind
        run: |
          curl -L -o kind https://github.com/kubernetes-sigs/kind/releases/download/v${KIND_VERSION}/kind-linux-amd64
          sudo install ./kind /usr/local/bin && rm kind
          kind version
          kind version | grep -q ${KIND_VERSION}

      - name: Create Kind Cluster
        run: |
          kind create cluster
          kubectl cluster-info

      #- name: Test
      #  run: make test

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Login to Docker Registry
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.STAKATER_DOCKERHUB_USERNAME }}
          password: ${{ secrets.STAKATER_DOCKERHUB_PASSWORD }}
      
      - name: Create timestamp
        id: prep
        run: echo "created=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT

      - name: Generate image repository path for Docker registry
        run: |
          echo DOCKER_IMAGE_REPOSITORY=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]') >> $GITHUB_ENV

      - name: Build and Push Docker Image to Docker registry
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ${{ env.DOCKER_FILE_PATH  }}
          pull: true
          push: true
          build-args: BUILD_PARAMETERS=${{ env.BUILD_PARAMETERS }}
          cache-to: type=inline
          platforms: linux/amd64,linux/arm,linux/arm64
          tags: |
            ${{ env.DOCKER_IMAGE_REPOSITORY }}:merge-${{ github.event.number }}
          labels: |
            org.opencontainers.image.source=${{ github.event.repository.clone_url }}
            org.opencontainers.image.revision=${{ github.sha }}

      - name: Build and Push Docker UBI Image to Docker registry
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ${{ env.DOCKER_UBI_FILE_PATH  }}
          pull: true
          push: true
          build-args: |
            BUILD_PARAMETERS=${{ env.BUILD_PARAMETERS }}
            BUILDER_IMAGE=${{ env.DOCKER_IMAGE_REPOSITORY }}:merge-${{ github.event.number }}
          cache-to: type=inline
          platforms: linux/amd64,linux/arm64
          tags: |
            ${{ env.DOCKER_IMAGE_REPOSITORY }}:merge-${{ github.event.number }}-ubi
          labels: |
            org.opencontainers.image.source=${{ github.event.repository.clone_url }}
            org.opencontainers.image.revision=${{ github.sha }}

      - name: Login to ghcr registry
        uses: docker/login-action@v3
        with:
          registry: ${{env.REGISTRY}}
          username: stakater-user
          password: ${{secrets.GITHUB_TOKEN}}

      - name: Generate image repository path for ghcr registry
        run: |
          echo GHCR_IMAGE_REPOSITORY=${{env.REGISTRY}}/$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]') >> $GITHUB_ENV

      - name: Build and Push Docker Image to ghcr registry
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ${{ env.DOCKER_FILE_PATH  }}
          pull: true
          push: true
          build-args: |
            VERSION=merge-${{ github.event.number }}
            COMMIT=${{ github.sha }}
            BUILD_DATE=${{ steps.prep.outputs.created }}
            BUILD_PARAMETERS=${{ env.BUILD_PARAMETERS }}
          cache-to: type=inline
          platforms: linux/amd64,linux/arm,linux/arm64
          tags: |
            ${{ env.GHCR_IMAGE_REPOSITORY }}:merge-${{ github.event.number }}
          labels: |
            org.opencontainers.image.source=${{ github.event.repository.clone_url }}
            org.opencontainers.image.revision=${{ github.sha }}

      - name: Build and Push Docker UBI Image to ghcr registry
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ${{ env.DOCKER_UBI_FILE_PATH  }}
          pull: true
          push: true
          build-args: |
            BUILD_PARAMETERS=${{ env.BUILD_PARAMETERS }}
            BUILDER_IMAGE=${{ env.GHCR_IMAGE_REPOSITORY }}:merge-${{ github.event.number }}
          cache-to: type=inline
          platforms: linux/amd64,linux/arm64
          tags: |
            ${{ env.GHCR_IMAGE_REPOSITORY }}:merge-${{ github.event.number }}-ubi
          labels: |
            org.opencontainers.image.source=${{ github.event.repository.clone_url }}
            org.opencontainers.image.revision=${{ github.sha }}

      - uses: dorny/paths-filter@v3
        id: filter
        with:
          filters: |
            docs:
              - '.markdownlint.yaml'
              - '.vale.ini'
              - 'Dockerfile-docs'
              - 'docs-nginx.conf'
              - 'docs/**'
              - 'README.md'
              - 'theme_common'
              - 'theme_override'

      # run only if 'docs' files were changed
      - name: Build and Push Docker Image for Docs to ghcr registry
        if: steps.filter.outputs.docs == 'true'
        uses: docker/build-push-action@v6
        with:
          context: .
          file: Dockerfile-docs
          pull: true
          push: true
          build-args: BUILD_PARAMETERS=${{ env.BUILD_PARAMETERS }}
          cache-to: type=inline
          tags: |
            ${{ env.GHCR_IMAGE_REPOSITORY }}/docs:merge-${{ github.event.number }}
          labels: |
            org.opencontainers.image.source=${{ github.event.repository.clone_url }}
            org.opencontainers.image.revision=${{ github.sha }}

      - name: Push Latest Tag
        uses: anothrNick/github-tag-action@1.75.0
        env:
          GITHUB_TOKEN: ${{ secrets.PUBLISH_TOKEN }}
          WITH_V: false
          CUSTOM_TAG: merge-${{ github.event.number }}

      - name: Notify Slack
        uses: 8398a7/action-slack@v3
        if: always() # Pick up events even if the job fails or is canceled.
        with:
          status: ${{ job.status }}
          fields: repo,author,action,eventName,ref,workflow
        env:
          GITHUB_TOKEN: ${{ secrets.PUBLISH_TOKEN }}
          SLACK_WEBHOOK_URL: ${{ secrets.STAKATER_DELIVERY_SLACK_WEBHOOK }}