/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package tumacay_bank;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.Objects;
import java.util.Scanner;

/**
 *
 * @author S202-11
 */
public class Tumacay_Bank {

    /**
     * @param args the command line arguments
     */

    //static Scanner input;

    static int SampleAccountNo = 12345;
    static int SampleAccountPIN = 1234;
    static int SampleAccountCash = 20000;
    static double Cash;

    static Scanner input;

    static ArrayList<String> ValidAccountNos;

    public static void main(String[] args) throws IOException {
        // TODO code application logic here

        /* LOAD THE DATABASE */
        ValidAccountNos = new ArrayList<String>();

        try (BufferedReader br = new BufferedReader(new FileReader("database.txt"))) {
            String line;
            while ((line = br.readLine()) != null) {
                //System.out.println(line);
                if( contains( line, "[DATA]")) {
                    //System.out.println( "Found [DATA] within " + line + "." );
                    String[] parts = line.split(",");
                    ValidAccountNos.add(parts[2]);
                }
               // process the line.
            }
        }



//        int twoDimenArray[][] = new int[3][5];
//        int i, j, k = 0;
//
//        for(i = 0; i < 3; i++) {
//            for(j = 0; j < 5; j++) {
//                twoDimenArray[i][j] = k;
//                k++;
//            }
//        }


//        for(Iterator<String> i = ValidAccountNos.iterator(); i.hasNext(); ) {
//            String item = i.next();
//            System.out.println(item);
//        }


        //String[] AccountName;
//        for(int NoOfPeople = 1; NoOfPeople <= 10; NoOfPeople++) {
//            String[] AccountName = null;
//
//            AccountName[NoOfPeople] = "Juan Tamad";
//            System.out.println(AccountName[NoOfPeople]);
//            //int[] AccountNo = {12345};
//        }


        //Home();

        //ERROR
//        int AccountNoErrorCount = 0, AccountNoInput;
//
//        while(AccountNoErrorCount <= 2)
//        {
//            AccountNoErrorCount++;
//            System.out.println("Account No: ");
//
//            AccountNoInput = input.nextInt();
//            System.out.println("No. of tries: " + AccountNoErrorCount);
//        }




    }

    public static void Home() {
        System.out.println("\n Welcome to LPU Bank System.\n");

        input = new Scanner(System.in);

        //int AccountNoInput = input.nextInt();


        System.out.println("[TRANSACTION]");
        System.out.println("1. Deposit");
        System.out.println("2. Withdraw");
        System.out.println("3. Balance Inquiry");
        System.out.println("4. Exit");
        System.out.println("\nOption: ");
        int Option = input.nextInt();

        switch(Option) {
            case 1:
                System.out.println("[DEPOSIT TRANSACTION]");
                System.out.println("Cash: ");
                Cash = input.nextDouble();
                Deposit(SampleAccountNo, Cash);
                break;
            case 2:
                System.out.println("[WITHDRAW TRANSACTION]");
                System.out.println("Cash: ");
                Cash = input.nextDouble();
                Withdraw(SampleAccountNo, Cash);
                break;
            case 3:
                BalanceInquiry(SampleAccountNo);
                break;
            case 4:
                Exit();
                break;
            default:
                System.out.println("\nINVALID OPTION!");
                Home();
                break;
        }

    }

    public static void Deposit(int AccountNo, double Cash) {
        //AccountNo += Cash;
        SampleAccountCash += Cash;
        System.out.println("[RECEIT RECEIPT]");
        System.out.println("Account Name: " + "Sample Account Name");
        System.out.println("Account No.: " + AccountNo);
        System.out.println("Balance: " + (SampleAccountCash - Cash));
        System.out.println("Deposit: " + Cash);
        System.out.println("New Balance: " + SampleAccountCash);
        Home();
    }

    public static void Withdraw(int AccountNo, double Cash) {
        //AccountNo -= Cash;
        SampleAccountCash -= Cash;
        System.out.println("[WITHDRAW RECEIPT]");
        System.out.println("Account No.: " + AccountNo);
        System.out.println("Balance: " + (SampleAccountCash + Cash));
        System.out.println("Withdraw: " + Cash);
        System.out.println("New Balance: " + SampleAccountCash);
        Home();
    }

    public static void BalanceInquiry(int AccountNo) {
        System.out.println("[BALANCE INQUIRY]");
        System.out.println("Account No.: " + AccountNo);
        System.out.println("Balance: " + SampleAccountCash);
        Home();
    }

    public static void Exit() {
        Boolean Repeat = true;

        while(Repeat)
        {
            System.out.println("Do you want to make another transaction? Y or N");
            String RepeatInput = input.next();

            switch(RepeatInput) {
                case "Y":
                    Home();
                    break;
                case "y":
                    Home();
                    break;
                case "N":
                    System.exit(0);
                    break;
                case "n":
                    System.exit(0);
                    break;
                default:
                    System.out.println("\nINVALID OPTION!");
                    Exit();
                    break;
            }
        }

        //System.exit(0);
    }

    public static boolean contains( String haystack, String needle ) {
    haystack = haystack == null ? "" : haystack;
    needle = needle == null ? "" : needle;

    // Works, but is not the best.
    //return haystack.toLowerCase().indexOf( needle.toLowerCase() ) > -1

    return haystack.toLowerCase().contains( needle.toLowerCase() );
  }
}