name: Deploy STEP3 Web Game

on:
  push:
    branches:
      - main
  workflow_dispatch: {}

jobs:
  deploy:
    runs-on: self-hosted

    env:
      IMAGE_TAR: /tmp/step3-web.tar
      NODES: "192.168.86.72 192.168.86.73 192.168.86.74"

    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Set build identity
        run: |
          echo "BUILD_TAG=$(git rev-parse HEAD)" >> "$GITHUB_ENV"

      - name: Build Web game image
        run: |
          docker build -f web/Dockerfile -t "step3-web:${BUILD_TAG}" .

      - name: Save image
        run: |
          docker save "step3-web:${BUILD_TAG}" -o "${IMAGE_TAR}"

      - name: Import image on Kubernetes nodes
        run: |
          for node in ${NODES}; do
            scp -o StrictHostKeyChecking=no "${IMAGE_TAR}" hz@"$node":/tmp/step3-web.tar
            ssh -o StrictHostKeyChecking=no hz@"$node" "sudo ctr -n k8s.io images import /tmp/step3-web.tar && rm -f /tmp/step3-web.tar"
          done

      - name: Clean runner image archive
        if: always()
        run: rm -f "${IMAGE_TAR}"

      - name: Configure kubeconfig
        env:
          KUBECONFIG_CONTENT: ${{ secrets.KUBECONFIG }}
        run: |
          if [ -n "$KUBECONFIG_CONTENT" ]; then
            mkdir -p /tmp/kube
            printf '%s\n' "$KUBECONFIG_CONTENT" > /tmp/kube/config
            echo "KUBECONFIG=/tmp/kube/config" >> "$GITHUB_ENV"
          fi

      - name: Deploy Web game
        run: |
          kubectl create namespace step3-web --dry-run=client -o yaml | kubectl apply -f -
          kubectl apply -f web/k8s/service.yaml -n step3-web
          sed "s|step3-web:latest|step3-web:${BUILD_TAG}|" web/k8s/deployment.yaml | kubectl apply -n step3-web -f -
          kubectl rollout status deployment/step3-web -n step3-web --timeout=180s