{
  "$id": "http://onap.org/dcaegen2/platform/dmaap",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Schema for dmaap inputs",
  "type": "object",

  "oneOf": [
    { "$ref": "#/definitions/message_router" },
    { "$ref": "#/definitions/data_router" },
    { "$ref": "#/definitions/kafka" }
  ],

  "definitions": {
  
    "message_router": {
      "type": "object",
      "properties": {
        "type": {
          "type": "string",
          "enum": ["message_router"]
        },
        "aaf_credentials": {
          "$ref": "#/definitions/aaf_credentials"
        },
        "aaf_username": {
          "description": "Used for backward compatibility. Use aaf_credentials object in new code.",
          "type": "string"
        },
        "aaf_password": {
          "description": "Used for backward compatibility. Use aaf_credentials object in new code.",
          "type": "string"
        },
        "dmaap_info": {
          "$ref":"#/definitions/dmaap_info"
        }
      },
      "required": [
        "type",
        "dmaap_info"
      ],
      "additionalProperties": false
    },

    "data_router": {
      "type": "object",
      "$comment": "This is currently not specified in schema. However, it is specified in RTD documentation. TODO: specify schema for DMaaP DR",     
       "properties": {
        "type": {
          "type": "string",
          "enum": ["data_router"]
        }
      },
      "required": [
        "type"
      ],
      "additionalProperties": true
    },

    "dmaap_info": {
      "type": "object",
      "properties": {
        "client_role": {
          "type": "string"
        },
        "client_id": {
          "type": "string"
        },
        "location": {
          "type": "string"
        },
        "topic_url": {
          "type": "string"
        }
      },
      "required": [
        "topic_url"
      ],
      "additionalProperties": false
    },

    "kafka": {
      "type": "object",
      "properties": {
        "type": {
          "type": "string",
          "enum": ["kafka"]
        },
        "aaf_credentials": {
          "$ref": "#/definitions/aaf_credentials"
        },
        "kafka_info": {
           "$ref": "#/definitions/kafka_info"
        }
      },
      "required": [
        "type",
        "kafka_info"
      ],
      "additionalProperties": false
    },

    "kafka_info": {
      "type": "object",
      "description": "Defines Kafka-specific topid properties",
      "properties": {
        "client_role": {
          "type": "string"
        },
        "client_id": {
          "type": "string"
        },
        "bootstrap_servers": {
          "description": "Comma separated list of Kafka bootstrap servers as defined in Kafka documentation",
          "type": "string"
        },
        "topic_name": {
          "description": "Name of the topic",
          "type": "string"
        },
        "consumer_group_id": {
          "description": "Can be specifed only for subscribers. More details in Kafka documentation on group.id property",
          "type": "string"
        },
        "max_payload_size_bytes": {
          "description": "Maximum payload size in bytes. Can be used for validation or creating Kafka client properties.",
          "type": "string"
        }
      },
      "required": [
        "bootstrap_servers",
        "topic_name"
      ],
      "additionalProperties": false
    },

    "aaf_credentials": {
      "type": "object",
      "properties": {
        "username": {
          "type": "string"
        },
        "password": {
          "type": "string"
        }
      },
      "additionalProperties": false
    }
  }
}