name: Deploy to Azure

on:
  # Uncomment to auto-deploy after CI passes on main:
  # workflow_run:
  #   workflows: [CI]
  #   types: [completed]
  #   branches: [main]
  workflow_dispatch:

env:
  AZURE_RESOURCE_GROUP: ${{ vars.AZURE_RESOURCE_GROUP }}
  ACR_NAME: ${{ vars.ACR_NAME }}
  CONTAINER_APP_NAME: doc-assistant
  IMAGE_NAME: doc-assistant

jobs:
  deploy:
    runs-on: ubuntu-latest
    if: ${{ github.event.workflow_run.conclusion == 'success' || github.event_name == 'workflow_dispatch' }}

    steps:
      - uses: actions/checkout@v4

      - name: Login to Azure
        uses: azure/login@v2
        with:
          creds: ${{ secrets.AZURE_CREDENTIALS }}

      - name: Login to ACR
        run: az acr login --name ${{ env.ACR_NAME }}

      - name: Build and push image to ACR
        run: |
          IMAGE_TAG=${{ env.ACR_NAME }}.azurecr.io/${{ env.IMAGE_NAME }}:${{ github.sha }}
          docker build -f Dockerfile.compose -t $IMAGE_TAG .
          docker push $IMAGE_TAG

      - name: Deploy to Container Apps
        run: |
          az containerapp update \
            --name ${{ env.CONTAINER_APP_NAME }} \
            --resource-group ${{ env.AZURE_RESOURCE_GROUP }} \
            --image ${{ env.ACR_NAME }}.azurecr.io/${{ env.IMAGE_NAME }}:${{ github.sha }}

      - name: Wait for readiness
        run: |
          APP_URL=$(az containerapp show \
            --name ${{ env.CONTAINER_APP_NAME }} \
            --resource-group ${{ env.AZURE_RESOURCE_GROUP }} \
            --query properties.configuration.ingress.fqdn -o tsv)
          for i in $(seq 1 30); do
            if curl -sf "https://${APP_URL}/health/ready" > /dev/null 2>&1; then
              echo "Application is ready"
              exit 0
            fi
            echo "Waiting for readiness... ($i/30)"
            sleep 10
          done
          echo "Readiness check timed out"
          exit 1