apiVersion: core.oam.dev/v1beta1
kind: Application
metadata:
  name: {{ component_name }}
spec:
  components:
    - name: {{ component_name }}
      type: component
      properties:
        image: {{ registry_url }}/{{ component_name }}:{{ version }}
        id: producer
      traits:
        - type: spreadscaler
          properties:
            instances: 1
            spread:
            {%- set weight = (100 / (targets | length)) | int -%}
            {% for target in targets %}
            - name: {{ target }}
              weight: {{ weight }}
              requirements:
                host-type: {{ target }}
            {% endfor %}
        - type: link
          properties:
            target: nats-producer
            namespace: wasmcloud
            package: messaging
            interfaces: [consumer]

    # Add a capability provider that implements `wasmcloud:messaging` using NATS
    - name: nats-producer
      type: capability
      properties:
        image: ghcr.io/wasmcloud/messaging-nats:0.23.1
      traits:
        - type: link
          properties:
            target: {{ component_name }}
            namespace: wasmcloud
            package: messaging
            interfaces: [handler]
            source_config:
              - name: simple-subscription
                properties:
                  subscriptions: {{ source_topic}}
        - type: spreadscaler
          properties:
            instances: 1
            spread:
            {%- set weight = (100 / (targets | length)) | int -%}
            {% for target in targets %}
            - name: {{ target }}
              weight: {{ weight }}
              requirements:
                host-type: {{ target }}
            {% endfor %}

    - name: httpserver
      type: capability
      properties:
        image: ghcr.io/wasmcloud/http-server:0.23.2
      traits:
        # Link to Echo, and inform it to listen on port 8000
        # on the local machine
        - type: link
          properties:
            target: {{ component_name }}
            namespace: wasmcloud
            package: http
            interfaces: [incoming-handler]
            source_config:
              - name: default-http
                properties:
                  address: 0.0.0.0:8000
        - type: spreadscaler
          properties:
            instances: 1
            spread:
            {%- set weight = (100 / (targets | length)) | int -%}
            {% for target in targets %}
            - name: {{ target }}
              weight: {{ weight }}
              requirements:
                host-type: {{ target }}
            {% endfor %}