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package m.ecat;

import csip.Config;
import java.util.List;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
import rotation_utils.nodes.Rotation;
import rotation_utils.nodes.weps.WEPSManagement;
import rotation_utils.utils.TranslatorException;
import rotation_utils.utils.Urls;

/**
 *
 * @author Brad
 */
public class ECAT {
    
    private double acres;
    private Fuel fuel;
    private WEPSManagement management; // all the calculations and data come from a WEPS db so for now it will be a weps management
    

    public double getAcres() {
        return acres;
    }

    public void setAcres(double acres) {
        this.acres = acres;
    }

    public Fuel getFuel() {
        return fuel;
    }

    public void setFuel(Fuel fuel) {
        this.fuel = fuel;
    }
    
    public void readManagements(JSONObject jrot) throws TranslatorException, JSONException {
        Rotation rot;
        
        Urls urls = new Urls();
        urls.setOperations(Config.getString("crlmod31.op", "http://csip.engr.colostate.edu:8083/csip-crlmod/d/operation/3.1"));
        urls.setCrops(Config.getString("crlmod31.crop", "http://csip.engr.colostate.edu:8083/csip-crlmod/d/crop/3.1"));
        urls.setResidue(Config.getString("crlmod31.residue", "http://csip.engr.colostate.edu:8083/csip-crlmod/d/residue/3.1"));
        
        rot = Rotation.deserializeRot(jrot);
        
        management = rot.translateToWEPS(urls);
        
    }
    
    /**
     * 
     * @return total fuel usage per gallon for specified fuel type.
     * @throws m.ecat.ECATException
     */
    public Double getTotalFuelUsage() throws ECATException{
        if(management == null)
            throw new ECATException("Missing management.  Read in a management first.");
        return management.calculateTotalFuelUsage() * fuel.getConversion() * acres;
    }
    
    public double[] getIntervalFuelUsage() throws ECATException{
        double[] usage;
        List<Double> intervalFuels;
        if(management == null)
            throw new ECATException("Missing management.  Read in a management first.");
        
        intervalFuels = management.calculateFuelUsage();
        usage =  new double[intervalFuels.size()];
        for(int i = 0; i< intervalFuels.size();i++){
            usage[i] = intervalFuels.get(i) * fuel.getConversion() * acres;
        }
        
        return usage;
    }
    
    /** 
     * 
     * @return total fuel cost in USD
     * @throws ECATException 
     */
    public Double getTotalFuelCost() throws ECATException{
        return getTotalFuelUsage() * fuel.getCost();
    }
    
    /**
     * 
     * @return fuel cost per interval in USD
     * @throws ECATException 
     */
    public double[] getIntervalFuelCost() throws ECATException{
        double[] costs;
        double[] usage;
        
        usage = getIntervalFuelUsage();
        costs =  new double[usage.length];
        for(int i = 0; i< usage.length;i++){
            costs[i] = usage[i] * fuel.getConversion() * acres * fuel.getCost();
        }
        
        return costs;
    }
}