import rclpy
from rclpy.node import Node

# Service Type Files
from custom_interfaces.srv import CustomSrv1

# Service Minimal Host and Client
import pubsub.pubsub_library_v3 as lib 


def main(args=None):
    rclpy.init(args=args)

    # Create Service Client
    minimal_client = lib.MinimalServiceClientAsync(NODE_NAME="srv_client_node", SRV_NAME="test_srv", SRV_TYPE=CustomSrv1)
    
    # Create Service Request
    srv_request = CustomSrv1.Request()
    srv_request.command = "Hallo"
    minimal_client.send_request(srv_request) # send request to service provider

    while rclpy.ok():
        try:
            rclpy.spin_once(minimal_client, timeout_sec=0.1)
            
            done, response = minimal_client.check_if_service_complete()
            if done:
                print(response.success)
            else:
                print("Service not complete")

        except (KeyboardInterrupt, SystemExit):
            print("\n\nShutting down...")
            minimal_client.destroy_node()
            rclpy.shutdown()


if __name__ == '__main__':
    main()