name: Build and Deploy

on:
  push:
    branches: [main]

# Cancel in-progress runs when a new run is triggered
concurrency:
  group: deploy-${{ github.ref }}
  cancel-in-progress: true

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=sha,prefix={{branch}}-
            type=raw,value=latest,enable={{is_default_branch}}

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

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
          cache-to: type=inline

  deploy:
    needs: build-and-push
    runs-on: ubuntu-latest
    steps:
      - name: Setup Tailscale
        uses: tailscale/github-action@v2
        with:
          oauth-client-id: ${{ secrets.TS_OAUTH_CLIENT_ID }}
          oauth-secret: ${{ secrets.TS_OAUTH_SECRET }}
          tags: tag:ci

      - name: Set kubeconfig
        run: |
          mkdir -p ~/.kube
          echo "${{ secrets.TAILSCALE_KUBECONFIG }}" | base64 -d > ~/.kube/config

      - name: Deploy to K3s
        run: |
          # Get current timestamp in ISO8601 format
          DEPLOYED_AT=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
          
          # Create a temporary patch file with the deployment timestamp
          cat > /tmp/deployed-at-patch.yaml <<EOF
          apiVersion: apps/v1
          kind: StatefulSet
          metadata:
            name: aprs
            namespace: aprs
          spec:
            template:
              spec:
                containers:
                - name: aprs
                  env:
                  - name: DEPLOYED_AT
                    value: "$DEPLOYED_AT"
          EOF
          
          # Apply the patch to set the deployment timestamp
          kubectl patch statefulset aprs -n aprs --patch-file=/tmp/deployed-at-patch.yaml
          
          # Update the image
          kubectl set image statefulset/aprs aprs=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest -n aprs
          
          # Force a rollout to ensure latest image is pulled
          kubectl rollout restart statefulset/aprs -n aprs
          echo "Deployment initiated with timestamp $DEPLOYED_AT - not waiting for rollout to complete"