package foundation.action;

import foundation.dao.OperatorCode;
import foundation.dao.bizlogic.IActionProvider;
import foundation.data.entity.Entity;
import foundation.json.IJSONWriter;
import foundation.server.ObjectCreator;
import foundation.util.Util;

public class ActionMeta {

	private String id;
	private String name;
	private String title;
	private String methodName;
	private String providerName;
	private double transactionScore;
	private Events fireEvents;
	private Class<ActionProvider> providerClass;
	private OperatorCode operatorCode;
	private String param;
	
	
	public ActionMeta() {
		
	}
		
	public void load(Entity entity) throws Exception {
		id = entity.getString("id");
		name = entity.getString("name");
		title = entity.getString("title");
		methodName = entity.getString("method_name");
		providerName = entity.getString("provider_name");
		transactionScore = entity.getDouble("score", 0);
		
		fireEvents = Events.getInstance(entity.getString("fire_event_code"));
		 
		parseMethodName(methodName);				
		operatorCode = OperatorCode.parse(methodName); 
	}
	
	private void parseMethodName(String value) {
		if (Util.isEmpty(value)) {
			methodName = value;
		}
		
		methodName = methodName.trim().replace("（", "(").replace("）", ")");
		int pos = value.indexOf("(");
		
		if (pos <= 0) {
			methodName = value;
			return;
		}
		
		methodName = value.substring(0, pos);
		param = value.substring(pos + 1, value.length() - 1);
		param = param.trim();
	}

	public String getId() {
		return id;
	}

	public String getName() {
		return name;
	}

	public String getTitle() {
		return title;
	}

	public String getMethodName() {
		return methodName;
	}

	public String getProviderName() {
		return providerName;
	}

	public double getTransactionScore() {
		return transactionScore;
	}

	public IActionProvider createProvider() throws Exception {
		if (Util.isEmpty(providerName)) {
			return null;
		}
		
		IActionProvider provider = ObjectCreator.create(providerName);
		return provider;
	}

	public Class<ActionProvider> getProviderClass() {
		return providerClass;
	}

	public Events getFireEvents() {
		return fireEvents;
	}

	public String getParam() {
		return param;
	}

	public OperatorCode getOperatorCode() {
		return operatorCode;
	}

	@Override
	public String toString() {
		return providerName + "." + methodName;
	}

	public void writeJSONBody(IJSONWriter writer) {
		writer.write("id", id);
		writer.write("name", name);
		writer.write("title", title);
		writer.write("method_name", methodName);
		writer.write("provider_name", providerName);
		writer.write("transactionScore", transactionScore);
	}

}