import java.io.*;

public class TaxForm {
    public String filename;
    public double[] fields; 
    public boolean[] status; 
    public TaxForm() {
        fields = new double[12];
        status = new boolean[3];               
    }
    public void setFileName(String filename){
        this.filename = filename;
    }
    public String getFileName(){
        return this.filename;
    }
    public void writeToFile(){
        File userAccount = new File(filename);
        String outputString=new String("");
        for(int i=0; i<fields.length;i++){
            outputString += Double.toString(fields[i])+"\n";
        }
        if(!userAccount.exists()) {
          try {
            Writer output = new BufferedWriter(new FileWriter(userAccount));
            output.write(outputString);
            output.close();
          }
          catch (IOException ex) {
            ex.printStackTrace();
          }
        }
      }
    
    public void readFromFile(){
        BufferedReader input = null;
        File userAccount = new File(filename);
        try {
          input = new BufferedReader(new FileReader(userAccount));
          for(int i=0; i<fields.length;i++){
            fields[i]=Double.valueOf(input.readLine()).doubleValue();
          } 
        }
        catch (FileNotFoundException ex) {
          ex.printStackTrace();
        }
        catch (IOException ex){
          ex.printStackTrace();
        }
    }    
    
    public void dispConfirm(){
        File userAccount = new File(filename);
        String outputString=new String("");
        
        
    }
    
    public void processTaxes(){
	/*
	 * temporary variables
	 */
        double[] line5 = new double[6];                  
	/*
	 * calculates box 4
	 */	
	fields[3]=(fields[0]+fields[1]+fields[2]);      
	/*
	 * calculates box 5
	 */
	if(status[1] || status[2]){                    
	    line5[0]=fields[0];
	    if(line5[0]>500){
		line5[1]=(250+line5[0]);
	    }
	    else{
		line5[1]=800;
	    }
	    if(status[0]){
		line5[2]=5000;
	    }
	    else{
		line5[2]=10000;
	    }
	    if(line5[1]<=line5[2]){
		line5[3]=line5[1];
	    }
	    else{
		line5[3]=line5[2];
	    }
	    if(status[0]){
		line5[4]=0;
	    }
	    else if(status[1] && status[2]){
		line5[4]=0;
	    }
	    else if(status[1] || status[2]){
		line5[4]=3200;
	    }
	    fields[4]=(line5[3]+line5[4]);

	}
	else{
	    if(status[0]){
		fields[4]=8200;
	    }
	    else{
		fields[4]=16400;
	    }
	}
	/*
	 * calculates box 6
	 */
        if(fields[4]>fields[3]){                
            fields[5]=0;
        }
        else{
        fields[5]=(fields[3]-fields[4]);
        }
	/*
	 * calculates box 9
	 */
        fields[8]=fields[6];               
	/*
	 * calculates box 10
	 */     
	if(status[0]){                                     
            if(fields[5]<=7550)
            {
                fields[9] = (fields[5]*.1);
            }
            else if(fields[5]<=30650)
            {
                fields[9] = (755+((fields[5]-7550)*.15));
            }
            else if(fields[5]<=74200)
            {
                fields[9] = (4220+((fields[5]-30650)*.25));
            }
            else if(fields[5]<=154800)
            {
                fields[9] = (15107.50+((fields[5]-74200)*.28));
            }
            else if(fields[5]<=336550)
            {
                fields[9] = (37675.50+((fields[5]-154800)*.33));
            }
            else
            {
                fields[9] = (97653+((fields[5]-336550)*.35));
            }
        }
        else{
             if(fields[5]<=15100)
            {
                fields[9] = (fields[5]*.1);
            }
            else if(fields[5]<=61300)
            {
                fields[9] = (1510+((fields[5]-1510)*.15));
            }
            else if(fields[5]<=123700)
            {
                fields[9] = (8440+((fields[5]-61300)*.25));
            }
            else if(fields[5]<=188450)
            {
                fields[9] = (24040+((fields[5]-123700)*.28));
            }
            else if(fields[5]<=336550)
            {
                fields[9] = (42170+((fields[5]-188450)*.33));
            }
            else
            {
                fields[9] = (91043+((fields[5]-336550)*.35));
            }
        }
	/*
	 * calculates box 11 and 12
	 */
	if(fields[8]>fields[9]){
	    fields[10]=(fields[8]-fields[9]);
	    fields[11]=0;
	}
	else if(fields[8]<fields[9]){
	    fields[11]=(fields[9]-fields[8]);
	    fields[10]=0;
	}
    }
}