package test.thermal.recs.plugins.scheduling;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;

import schedframe.resources.computing.Node;
import schedframe.resources.computing.Processor;
import schedframe.scheduling.tasks.TaskInterface;
import test.thermal.recs.utils.AppType;
import test.thermal.recs.utils.TaskToApp;
import dcworms.schedframe.scheduling.Executable;
import example.localplugin.BaseLocalSchedulingPlugin;

public abstract class RecsSP extends BaseLocalSchedulingPlugin {

	private static String EXEC_DATA_FILE_NAME = "src/test/thermal/recs/data/executiveness_data.properties";
	
	private ResourceBundle execBundle;
	
	protected TaskToApp taskToApp = new TaskToApp();
	
	protected void initApplicationType(TaskInterface<?> task){
		 taskToApp.getAppType(task);
	}
	
	protected String createExecutivenessQuery(TaskInterface<?> task, Node node) {
		Executable exec = (Executable)task;
		String query = getApplicationType(exec) + "." + getNodeCategory(node);
		return query;
	}

	protected String getApplicationType(TaskInterface<?> task){	
		AppType appType = taskToApp.getAppType(task);
		return appType.toString();
	}
	
	protected String getNodeCategory(Node node){
		return node.getCategory();
	}

	protected int getCoreCnt(TaskInterface<?> task){	
		double cpuReq;
		try {
			cpuReq = task.getCpuCntRequest();
		} catch (NoSuchFieldException e) {
				cpuReq = 1;
		}
		return Double.valueOf(cpuReq).intValue();
	}
	
	protected int getFrequency(Node node){
		Processor proc = (Processor) node.getProcessors().get(0);
		double freq = proc.getPowerInterface().getFrequency();
		return Double.valueOf(freq).intValue();	
	}
	
	protected boolean getExecutiveness(String query) throws FileNotFoundException, IOException{
		ResourceBundle execBundle = getExecBundle();
		return Boolean.valueOf(execBundle.getString(query)).booleanValue();
	}
	
	private ResourceBundle getExecBundle() throws FileNotFoundException, IOException{
		if(execBundle == null){
			execBundle = new PropertyResourceBundle(new FileInputStream(EXEC_DATA_FILE_NAME));
		}
		return execBundle;
	}
}