package test.fips.models.xeon_fpga;

import schedframe.resources.computing.ComputingResource;
import schedframe.resources.computing.Rack;
import schedframe.resources.computing.profiles.energy.ResourceEvent;
import schedframe.resources.devices.Device;
import schedframe.resources.devices.PhysicalResource;
import schedframe.scheduling.manager.tasks.JobRegistry;
import simulator.ConfigurationOptions;
import example.energy.BaseEnergyEstimationPlugin;
import test.fips.EnvironmentConditions;

public class TangCoolingDeviceEnergyEstimationPlugin extends BaseEnergyEstimationPlugin {

	public double estimateAirflow(ResourceEvent event, JobRegistry jobRegistry, PhysicalResource resource) {
		double airflow = 0;
		return airflow;
	}

	public double estimatePowerConsumption(ResourceEvent event, JobRegistry jobRegistry,
			PhysicalResource resource) {
		
		double powerConsumption = 0;
		
		Device coolingDevice = (Device) resource;
		ComputingResource room = (ComputingResource) coolingDevice.getComputingResource();
		
		double Pload_dc = calculatePit(room);
		double Pothers = calculatePothers(Pload_dc);
		double airTemp = EnvironmentConditions.ROOM_TEMPERATURE;
		double CoP = 0.0068 * Math.pow(airTemp, 2) + 0.0008 * airTemp + 0.458;
		
		powerConsumption =  (Pload_dc + Pothers)/CoP;
		return powerConsumption;
	}
	
	private double calculatePit(ComputingResource room){
		double Pload_dc = 0;
		for(ComputingResource cr: room.getChildren()){
			Rack rack = (Rack)cr;
			Pload_dc = Pload_dc + rack.getPowerInterface().getRecentPowerUsage().getValue();
		}
		return Pload_dc;
	}
	private double calculatePothers(double Pload_dc){
		
		double Pothers = 0;
		
		double a;//experiment
		try{
			a = ConfigurationOptions.coolingData.getAlpha();
		} catch (Exception e){
			a = 0.02;
		}

		Pothers = a * Pload_dc;
		return Pothers;
	}

}