name: deploy

on:
  workflow_dispatch: {}

env:
  DOCKERHUB_USER: hildan
  DOCKER_IMAGE_NAME: seven-wonders-server
  DOCKER_IMAGE_TAG_SHA: sha-${{ github.sha }}
  DOCKER_IMAGE_TAG_BUILD: build-${{ github.run_id }}

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3.0.2

      - name: Set up JDK 17
        uses: actions/setup-java@v3
        with:
          distribution: 'zulu'
          java-version: 17

      - name: Build with Gradle
        uses: burrunan/gradle-cache-action@v1
        with:
          job-id: jdk17
          arguments: build

      # required for Docker build/push
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1

      - name: Login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ env.DOCKERHUB_USER }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GH_CONTAINER_REGISTRY_TOKEN }}

      - name: Build and push to DockerHub and GitHub Container Registry
        uses: docker/build-push-action@v2
        with:
          context: ./sw-server
          file: ./sw-server/Dockerfile
          push: true
          tags: |
            ${{ env.DOCKERHUB_USER }}/${{ env.DOCKER_IMAGE_NAME }}:latest
            ${{ env.DOCKERHUB_USER }}/${{ env.DOCKER_IMAGE_NAME }}:${{ env.DOCKER_IMAGE_TAG_SHA }}
            ${{ env.DOCKERHUB_USER }}/${{ env.DOCKER_IMAGE_NAME }}:${{ env.DOCKER_IMAGE_TAG_BUILD }}
            ghcr.io/${{ github.repository_owner }}/${{ env.DOCKER_IMAGE_NAME }}:latest
            ghcr.io/${{ github.repository_owner }}/${{ env.DOCKER_IMAGE_NAME }}:${{ env.DOCKER_IMAGE_TAG_SHA }}
            ghcr.io/${{ github.repository_owner }}/${{ env.DOCKER_IMAGE_NAME }}:${{ env.DOCKER_IMAGE_TAG_BUILD }}

      - name: Install doctl
        uses: digitalocean/action-doctl@v2
        with:
          token: ${{ secrets.DIGITALOCEAN_ACCESS_TOKEN }}

      # Short-lived credentials (5 min) to avoid accumulating tokens
      - name: Setup DigitalOcean kubeconfig
        run: doctl kubernetes cluster kubeconfig save --expiry-seconds 300 bro-cluster

      - name: Update deployment file
        run: TAG=${{ env.DOCKER_IMAGE_TAG_BUILD }} && sed -i 's|:latest|:'${TAG}'|' kubernetes/server.yml

      - name: Notify deploy start
        env:
          DISCORD_WEBHOOK: ${{ secrets.DISCORD_WEBHOOK_SEVEN_WONDERS }}
        uses: Ilshidur/action-discord@0.3.2
        with:
          args: "[Build #${{github.run_id}}](<https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}>): Deploying new version `${{ env.DOCKERHUB_USER }}/${{ env.DOCKER_IMAGE_NAME }}:${{ env.DOCKER_IMAGE_TAG_BUILD }}` ([see changes](<{{ EVENT_PAYLOAD.compare }}>))..."

      - name: Deploy to DigitalOcean Kubernetes
        run: kubectl apply -f kubernetes

      - name: Verify deployment
        run: kubectl rollout status --namespace seven-wonders deployment/seven-wonders

      - name: Notify deploy success
        env:
          DISCORD_WEBHOOK: ${{ secrets.DISCORD_WEBHOOK_SEVEN_WONDERS }}
        uses: Ilshidur/action-discord@0.3.2
        with:
          args: 'Deployment successful!'