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interface NAPHostBridge {
  setCallback: (handler: { handle: (message: string) => void }) => void;
  send: (message: string) => void;
}

package dk.sds.nap.integrations;

import java.io.IOException;

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;

import dk.sds.nap.scenes.WebPane;
import netscape.javascript.JSObject;

public class EmbeddedJavascriptIntegration extends AbstractBaseIntegration implements Integration {
    private static ObjectMapper objectMapper = new ObjectMapper();
    public NAPBridge bridge = new NAPBridge();

    public EmbeddedJavascriptIntegration(final WebPane webPane) {
        webPane.addInterface("NAP", bridge);
    }

    @Override
    public void send(NAPEvent event) {
        System.out.println("napevent send: " + event.getType());
        System.out.println("payload: " + event.getPayload());
        final String eventRawJSONString;
        try {
            eventRawJSONString = objectMapper.writeValueAsString(event);
            this.bridge.bridge.call("handle", eventRawJSONString);
        } catch (JsonProcessingException jsonProcessingException) {
            System.out.println(this.getClass().getName()+ " " + jsonProcessingException);
        }
    }

    public class NAPBridge {
        private JSObject bridge;

        public void send(String rawEventString) {
            try {
                System.out.println(this.getClass().getName() + " send(): " + rawEventString);
                NAPEvent event = objectMapper.readValue(rawEventString, NAPEvent.class);
                notifyListeners(event);
            } catch (IOException ioException) {
                System.out.println(this.getClass().getName() + " " + ioException);
            }
        }

        public void setCallback(JSObject bridge) {
            System.out.println(this.getClass().getName() + " setCallBack(): " +  bridge);
            this.bridge = bridge;
        }
    }
}