blugh

//A program to calculate a simple premium rate for a gadget protection company.
package policy.mannager;

import java.util.Scanner;
import java.io.File
import java.io.FileNotFoundException
import java.io.FileWriter
import java.io.IOException
import java.io.PrintWriter
import java.io.LineNumberReader
import java.io.FileReader
import java.text.SimpleDateFormat;
import java.util.Calendar;

/**
 *
 * @author s6085604
 */

public class PolicyMannager {
//holds the main scanner allowing input from the client
    public static Scanner keyboard = new Scanner(System.in);

    public static void main(String[] args)
    {
    //calls the main menu
        displayMenu();

    }
    static void displayMenu()
    { //Shows the main menu which the client has to choose from
        String mainMenu;
        System.out.println("Please choose an option from below");
        System.out.println(" ");
        System.out.println("1. Enter new policy");
        System.out.println("2. Display summary of policies");
        System.out.println("3. Display summary of policies for selected month");
        System.out.println("4. Find and display policy");
        System.out.println("0. Exit");

        //takes the input from the client
        mainMenu = keyboard.nextLine();

        //validates the clients choice ensuring it's valid
        while (!(mainMenu.matches("[0-4]{1}")))
        {
            System.out.println("Invalid option, please try again: ");
            mainMenu = keyboard.nextLine();
        }
        switch(mainMenu)
        {
            case "1":
                newPolicy();
                break;
            case "2":
                fileSummary();
                break;
            case "3":
                monthSummary();
                break;
            case "4":
                searchFile();
                break;
            case "0":
                System.out.println("Exiting...");
                break;

        }//end of switch
    }// end of main menu

    static void newPolicy()
    {
       //holds the methods that call the getters and setters in the systems, allowing the attributes to be set for them
       policy newPolicy = new policy();
       newPolicy.setName(getName());
       newPolicy.setRefNum(getNumber());
       newPolicy.setGadgetNumber(getGadget());
       newPolicy.setGadgetValue(getExpensive());
       newPolicy.setExcess(getExcess());
       newPolicy.setTerm(getTerms());
       newPolicy.setDate();
       newPolicy.setPremium();

       //calls the method that allows the system to write to a file
       writeToFile(newPolicy.getDate(), newPolicy.getNumber(), newPolicy.getGadget(),newPolicy.getExpensive(), newPolicy.getExcess(), newPolicy.getTerms());

       //Calls the method that displays the policy method
       displayPolicy(newPolicy.getDate(), newPolicy.getNumber(), newPolicy.getGadget(),newPolicy.getExpensive(), newPolicy.getExcess(), newPolicy.getTerms());

       //returns the client back to the menu
       backToMenu();
    }//end of new policy string
    public static String getName()
    //gets the name from the client
    {
        System.out.println("Please enter your name (e.g. John Smith) : "); //20 character maximum
        String name = keyboard.nextLine();
    //validates and ensures the name doesn't exceed 20 characters
        while (name.length() <1 || name.length() >20)
        {
            System.out.println("Name must be between 1 and 20 chars long");
            System.out.println("Name inputted is too long. Please re-enter staff name (e.g. John Smith): ");
            name = keyboard.nextLine();
        }
        return name;
    }//end of getName string

    public static String getDate()
    //gets the date
    {
        Calendar cal = Calendar.getInstance();
        SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy");
        return sdf.format(cal.getTime());
    }



    public static String getNumber()
    //gets the customer reference number from the client
    {
        System.out.println("Please enter your customer reference number (e.g. AB123C) : "); //validate
        String customerNum = keyboard.nextLine().toUpperCase();
    //checks that the customer reference number is of the correct length and formatted in the correct way
        boolean valid = false;
        while (!valid)
        {
            valid = true;
            if (customerNum.length() != 6)
            {
                System.out.println("Customer reference number should be 6 charaters long (e.g. AB123C)");
                valid = false;
            }
            else if (!Character.isLetter(customerNum.charAt(0)) || !Character.isLetter(customerNum.charAt(1)) ||
                     !Character.isDigit(customerNum.charAt(2)) || !Character.isDigit(customerNum.charAt(3)) ||
                     !Character.isDigit(customerNum.charAt(4)) || !Character.isLetter(customerNum.charAt(5)))
            {
                System.out.println("Customer reference number should be 2 letters followed by 3 digits, followed by a single letter (e.g. AB123C)" );
                valid = false;
            }
            if (!valid)
            {
                System.out.print("Please enter customer reference number (e.g. AB123C) : ");
                customerNum = keyboard.nextLine();
            }
        }
        return customerNum;
    }//end of getNumber string

    public static int getGadget()
    //gets the total number of gadgets that the client is buying
    {
     String quantity;

     System.out.println("Please enter your total number of gadgets : ");

     quantity = keyboard.next();

    while(!(quantity.matches(".*[0-9].*")))
    {
        System.out.println("You have inputted an invalled data type");
        System.out.println("Please try again");
    }
    //validates and ensures that only positive amounts of gadgets can be bought and that the client can't miss the feild
    while (Integer.parseInt(quantity) <1)
    {
       System.out.println("Please enter your total number of gadgets : ");
        quantity = keyboard.next();
    }

    return Integer.parseInt(quantity);
    }//end of getGadget() string

    public static double getExpensive()
    //gets the total of the most expensive gadget the client has bought
    {
        System.out.println("Please enter the value of your most expensive gadget (e.g. £960) : ");
        double newPolicy.getExpensive();
        int gadgetLimit;
        newPolicy.getExpensive() = keyboard.nextDouble();

    //ensures the value isn't below 0
        while (getExpensive() <= 0)
    	{
            System.out.println("A negative value has been entered.");
            System.out.print("Please enter a positive value : ");
            getExpensive() = keyboard.nextDouble();

    	}
    //ensures the cost doesn't exceed £1000.00
        while (getExpensive() > 1000.00)
        {
            System.out.println("Please enter a value below £1000");
            getExpensive() = keyboard.nextDouble();
        }

    //code to asign the correct limit to the value entered
    if (getExpensive() <= 1000 && getExpensive() > 800)
    	{
        	gadgetLimit = 1000;
    	}
    	else if (getExpensive() <= 800 && getExpensive() > 550)
    	{
        	gadgetLimit = 800;
    	}
    	else if ( getExpensive() <=550 && getExpensive() >0)
    	{
        	gadgetLimit = 550;
    	}
    	else
    	{
        	gadgetLimit = (int)getExpensive();
    	}
        return getExpensive();
    }//end of getExpensive string

    public static double getExcess()
    //gets the amount of newPolicy.getExcess() the client would like to pay
    {
        System.out.println("newPolicy.getExcess() must be between £30.00 and £70.00");
        System.out.println("Please enter how much newPolicy.getExcess() you would like to pay (e.g. £30.00) : ");
        double excess = keyboard.nextDouble();
    //validation to ensure that the newPolicy.getExcess() doesn't go below or above the boundaries
        while (newPolicy.getExcess() <30.00 && newPolicy.getExcess() >70.00)
        {
            System.out.println("Please enter a value above £30.00 and below or equal to £70.00");
            newPolicy.getExcess() = keyboard.nextDouble();
        }

        return newPolicy.getExcess();
    }//end of getnewPolicy.getExcess() string

    static String getTerms()
    // gets the payment terms from the client
    {
    	char payment;
    	String term;


    	System.out.print("Would you like to pay monthly (M) or annually (A) : ");
    	payment = Character.toUpperCase(keyboard.next().charAt(0));

    	//ensures the correct characters have been entered
    	while (payment != 'A' && payment != 'M')
    	{
            System.out.print("Invalid entry, please try again (A or M) : ");
            payment = Character.toUpperCase(keyboard.next().charAt(0));

    	}

    	//asigns the correct term to the input the client gave
    	if (payment == 'A')
    	{
        	term = "Annual";
    	}
    	else
    	{
        	term = "Monthly";
    	}
    	return term;

	}




    }

    static void readFromFile(String file, int option)
    {
        //variables that are used to read the file into the computer
        int total = 0;
        int monthTotal = 0;
        int jan = 0;
        int feb = 0;
        int mar = 0;
        int apr = 0;
        int may = 0;
        int jun = 0;
        int jul = 0;
        int aug = 0;
        int sep = 0;
        int oct = 0;
        int nov = 0;
        int dec = 0;
        String month = " ";
        String search = " ";

        //sees which option the client is coming from

        if (option == 2)
        {
            System.out.println("Please enter the abreviated foorm of the month you want e.g. Jul");
             month = keyboard.next().toLowerCase();
            while (!(month.equals ("jan") || month.equals ("feb") || month.equals ("mar") || month.equals ("apr") || month.equals ("may") || month.equals ("jun") || month.equals ("jul") || month.equals ("aug") || month.equals ("sep") || month.equals ("oct") || month.equals ("nov") || month.equals ("dec")));
            {
                System.out.println("Invalid entry please try again");
                month = keyboard.next().toLowerCase();
            }

        }// end of if
        else if (option == 3)
        {
            System.out.println("Please enter search");
            search = keyboard.next().toLowerCase();
        }//end of else if

        try
        {
            File currentFile = new File (file);
            if (currentFile.exists())
            {
                while (lnr.readLine() !=null)
                {
                    total++;
                }

            }
            else
            {
                System.out.println("File does not exist");
            }
        }

    } catch (IOExeption e) {}

    Scanner input = null;



       //String to assign the word to the number of gadgets being bought
       String number;
        if (newPolicy.getGadget() == 1)
     {
         number = "One";
     }
     else if (newPolicy.getGadget() == 2)
     {
         number = "Two";
     }
     else if (newPolicy.getGadget() == 3)
     {
         number = "Three";
     }
     else if (newPolicy.getGadget() == 4)
     {
         number = "Four";
     }
     else if (newPolicy.getGadget() == 5)
     {
         number = "Five";
     }
     else
     {
         number = Integer.toString(newPolicy.getGadget());
     }



        //code to show the output box
        System.out.println(" ");
    	System.out.println("  +=============================================+");
    	System.out.println("  |                                             |");
        System.out.printf ("  |" + "%10s %-20s %14s %n", "Client: " ,newPolicy.getName(), " " + "|");
        System.out.println("  |                                             |");
        System.out.printf ("  |" + "%10s %-20s %5s %-25s %n", "Date", newPolicy.getDate(), "Ref", newPolicy.getNumber() + " |");
        System.out.printf ("  |" + "%10s %-19s %6s %-5s %2s %n", "Terms: ", newPolicy.getTerms(), "Items:", number, "|");
        System.out.printf ("  |" + "%10s £%-20.2f %13s %n", "newPolicy.getExcess(): ", newPolicy.getExcess(), " " + "|" );
        System.out.println("  |                                             |");
        //code to display any needed error messages in the clients inputs
         if (newPolicy.getGadget() > 5)
        {
            System.out.println("  |  Your payment has been rejected due to the  |");
            System.out.println("  |    number of gadgets exceeding the limit    |");
        }
        else if (getExpensive() > 1000)
        {
            System.out.println("  |  Your payment has been rejected due to the  |");
            System.out.println("  |    value of gadgets exceeding the limit     |");
        }
        else
        {
            System.out.printf("  |" + "%9s %-16s %-10s %8s %n", "Annual ","", "Limit per" , " |");
            System.out.printf("  |" + "%10s £%-15.2f %1s %2s %8s %n", "Premium: " , newPolicy.getPremium() ,"", "Gadget:" , getExpensive() + " |");
        }
         System.out.println("  |                                             |");
         System.out.println("  +=============================================+");

    }//end of create policy string
}//end of class