module DroolsLambdaClient

# File lib/drools_lambda_client.rb, line 8
def execute!(data_hash:, namespace:, lambda_function:)
  response = LambdaClient.invoke(
      lambda_function,
      hash_to_drools(data_hash: data_hash, namespace: namespace).to_json
    ).payload.read
  begin 
    drools_to_hash(response_data: JSON.parse(response, symbolize_names: true))
  rescue => ex
    raise "#{response}---#{ex}"
  end  
end

# File lib/drools_lambda_client.rb, line 43
def drools_to_hash(response_data:)
  result_hash = {}
  response_data.each do |object_type, data_objects|
    object_type = object_type.to_s.underscore.to_sym
    objects = []
    data_objects.each do |data_object|
      data_object = data_object.inject({}) do |h, (k,v)|
        h[k.to_s.underscore.to_sym] = v;h
      end
      objects << data_object
    end
    result_hash[object_type] = objects
  end
  result_hash
end

# File lib/drools_lambda_client.rb, line 22
def hash_to_drools(data_hash: , namespace:)
  payload = {}
  payload["namespace"] = [{"name" => namespace}]

  data_hash.each do |object_type, data_objects|
    object_type = object_type.to_s.camelize(:lower)
    objects = []
    data_objects = [data_objects] unless data_objects.is_a? Array
    data_objects.each do |data_object|
      data_object = data_object.inject({}) do |h, (k,v)|
        h[k.to_s.camelize(:lower)] = v;h
      end

      objects << data_object
    end
    payload[object_type] = objects
  end

  payload
end