import javax.swing.JOptionPane;
import java.util.*;

/*
Written By : Ahmad Jawed ZAFAR
Date : 01/02/2009
*/

public class Bank
{
	public static void main(String[] args)
	{
			String perId, moneyAmount, depositTemp, password;
			int select=0, count=0, id=0;
			double TotalDeposit=0;
			String option;
			String[] names = new String[20];
			String[] surnames = new String[20];
			int[] accountNo = new int[20];
			double[] deposits = new double[20];
			Random rand = new Random();
			
	
		while (select != 6)
		{
			try
			{
			option = JOptionPane.showInputDialog("Please Select An Operation.\n" +
				"********************************\n" +
				"Enter '1' Admin\n" +
				"Enter '2' For Depositing Money\n" +
				"Enter '3' For Money Takeout\n" +
				"Enter '4' For Account Information\n" +
				"Enter '5' For Transfering Money\n" +
				"Enter '6' To Exit");
			select = Integer.parseInt(option);
		
			if (select == 6)// condition for exit
			{	
				JOptionPane.showMessageDialog(null, "******** Good Bye ********");
				System.exit(0);
			}
		
		
			else if (select == 2) // condition for depositing money
			{
				double amount=0;
				int check=0, i=0;
				perId = JOptionPane.showInputDialog("Enter Your Account Number");
				id = Integer.parseInt(perId);
			
				for (i=0; i<count; i++)
				{
					if (id == accountNo[i])
					{
						check++;
						break;
					}
				}
					if (check > 0)
					{
						moneyAmount = JOptionPane.showInputDialog("Enter The Money Amount");
						amount = Integer.parseInt(moneyAmount);
						deposits[i] = deposits[i] + amount; // adds to customer deposit
						TotalDeposit = TotalDeposit + amount; // adds to Total bank Deposit
						JOptionPane.showMessageDialog(null, "You Have Deposited $ " +amount + " Successfully");
					}
					else // check for account number in depositing money
					{
						JOptionPane.showMessageDialog(null, "Invalid Account Number !");
					}
			}// end of depositing money
		
			else if (select == 3) // condition for money takeout
			{
				double amount3=0;
				int check3=0, i3=0;
				perId = JOptionPane.showInputDialog("Enter Your Account Number");
				id = Integer.parseInt(perId);
			
					for (i3=0; i3<count; i3++) // checks for account number validation
					{
						if (id == accountNo[i3])
						{
							check3++;
							break;
						}
					}
						if (check3 > 0)
						{
							moneyAmount = JOptionPane.showInputDialog("Enter The Money Amount");
							amount3 = Integer.parseInt(moneyAmount);
							
							if (amount3 > deposits[i3])
							{
								JOptionPane.showMessageDialog(null, "Sory !  You Dont Have Enough Deposit");
							}
							else
							{
								deposits[i3] = deposits[i3] - amount3;
								TotalDeposit = TotalDeposit - amount3;
								JOptionPane.showMessageDialog(null, "You Have Taken Out $ " +amount3 + " Dollars");
							}
						}
						else
						{
							JOptionPane.showMessageDialog(null, "Invalid Account Number !");
						}
			} // end of money takeout
		
			else if (select == 4) // account information
			{
				int count4=0;
				int Id4=0;
				perId = JOptionPane.showInputDialog("Enter Your Account Number");
				Id4 = Integer.parseInt(perId);
		
					for (int j=0; j<count; j++)
					{
						if (Id4 == accountNo[j])
						{
							count4++;
							JOptionPane.showMessageDialog(null,"Account Information\n************************\n" +
									"Name : " +names[j] + "\nSurname : " +surnames[j] + "\nAccount Number : " +
									"" +accountNo[j] + "\nTotal Deposit : " +deposits[j], "" +
											"Account Information", JOptionPane.PLAIN_MESSAGE);
							break;
						}
					}
					if (count4 == 0)
					{
						JOptionPane.showMessageDialog(null, "Invalid Account Number");
					}
			} // end of account information
		
			else if (select == 1) // Admin Entry
			{
				int password1=0, select00=0;
				String select0;
				password = JOptionPane.showInputDialog("Enter Admin Password");
				password1 = Integer.parseInt(password);
				
					if (password1 == 007)
					{
						//JOptionPane.showMessageDialog(null, "Varified");
						// While Loop For Admin //
						while (select00 != 5)
						{
							select0 = JOptionPane.showInputDialog("Select An Option\n*********************\n" +
									"Enter '1' For New Account\n" +
									"Enter '2' For Bank Information\n" +
									"Enter '3' For Customer Information\n" +
									"Enter '4' Change Admin Password\n" +
									"Enter '5' For Exit To Main Menue");
					
								select00 = Integer.parseInt(select0);
								int accountNoTemp=0, counter=0;
								if (select00 == 1)// new account condition
								{
									names[count] = JOptionPane.showInputDialog("Enter New Customer Name");
									surnames[count] = JOptionPane.showInputDialog("Enter New Customer Surname");
							
									depositTemp = JOptionPane.showInputDialog("Enter Deposit Amount");
									deposits[count] = Integer.parseInt(depositTemp);
									
									
									do
									{
										counter=0;
										accountNoTemp = rand.nextInt(1000);
										for (int l=0; l<count; l++)
										{
											if (accountNo[l] == accountNoTemp)
											{
												//JOptionPane.showMessageDialog(null, "Conflict" +
													//	"" +accountNoTemp,"Conflict ",JOptionPane.PLAIN_MESSAGE);
												counter++;
												break;
												
											}
										}
										if (counter == 0)
										{
											accountNo[count] = accountNoTemp;
											counter = 0;
											break;
										}
									} while (counter != 0);
									
									//accountNo[count] = rand.nextInt(100);
									//perDeposit = Integer.parseInt(deposits[count]);
									TotalDeposit += deposits[count];
							
									JOptionPane.showMessageDialog(null, "Your Account Has Been" +
									" Created Successfully\n Acount Information : \n" +
									"**********************\n" +
									"Name : " +names[count] +
									"\nSurname : " +surnames[count] +
									"\nAccount ID :  " +accountNo[count] +
									"\nDeposit : " +deposits[count]
									,"New Account", JOptionPane.PLAIN_MESSAGE);
									
									count++;
								}// end of new account condition
					
								else if (select00 == 2)
								{
									JOptionPane.showMessageDialog(null,"Bank Information\n************************\n" +
									"Total Customers : " +count + "\nTotal Deposits : " +TotalDeposit, "Bank Information" +
									"", JOptionPane.PLAIN_MESSAGE);
								}// enf of bank info
								
								else if (select00 == 3)
								{
									if (count == 0)
									{
										JOptionPane.showMessageDialog(null, "Currently There Is No Customer");
									}
									else
									{
										for (int k=0; k<count; k++)
										{
											JOptionPane.showMessageDialog(null, "        Customer Information\n        *************************\n" +
													"Name : " +names[k] + "" +
													"\nSurname : " +surnames[k] + "" + "\nAccount ID : " +accountNo[k] +
													"\nDeposit : " +
													"" +deposits[k],"Manage Account", JOptionPane.PLAIN_MESSAGE);
						
							
										}
									}
								}// end of condition for customer info for Admin
						
								else if (select00 == 5)
								{
									//JOptionPane.showMessageDialog(null, "******** Good Bye ********");
									break;
								}
								else
								{
									JOptionPane.showMessageDialog(null, "Invalid Selection !");
								}
						}// end of while loop for admin
					
					}// end of condition if password is valid
					else
					{
						JOptionPane.showMessageDialog(null, "Invalid Admin Name Or Password");
					}
			}// admin entry
			
			else if (select == 5) // money transfer
			{
				//JOptionPane.showMessageDialog(null, "Service Is Currently Unavailable");
				String transferID;
				double amount5=0;
				int check5=0, check55=0, i5=0, ii=0, transId;
				perId = JOptionPane.showInputDialog("Enter Your Account Number");
				id = Integer.parseInt(perId);
			
							for (i5=0; i5<count; i5++) // checks for customer id
							{
								if (id == accountNo[i5])
								{
									check5++;
									break;
								}
							}
						if (check5 > 0)// checks for customer id
						{
							transferID = JOptionPane.showInputDialog("Enter The Account Number You" +
									" Want To Transfer Money");
							transId = Integer.parseInt(transferID);
							
								for (ii=0; ii<count; ii++) // checks for other ID
								{
									if (transId == accountNo[ii])
									{
										check55++;
										break;
									}
								}
									if (check55 > 0) // checks for other id
									{
										moneyAmount = JOptionPane.showInputDialog("Enter The Money" +
												" Amount You Want To Transfer");
										amount5 = Integer.parseInt(moneyAmount);
										
											if (amount5 > deposits[i5]) // checks if there is enought moeny to transfer
											{
												JOptionPane.showMessageDialog(null, "You Dont Have" +
														" Enough Money To Transfer");
											}
											else // performing transfer 
											{
												deposits[ii] = deposits[ii] + amount5; // transfers money
												deposits[i5] = deposits[i5] - amount5; // cuts back money
												JOptionPane.showMessageDialog(null, "Money Has Been" +
														" Transfered Successfully\nAmount : " +amount5);
											}
									
									}		
									else
									{
										JOptionPane.showMessageDialog(null,"Invalid Account Number");
									}
							
						}
						else // check for account number in transfering money
						{
							JOptionPane.showMessageDialog(null, "Invalid Account Number !");
						}
				
				
			}// end of money transfer
			
			else
			{
				JOptionPane.showMessageDialog(null,"Invalid Selection");
				//System.exit(0);
			}
			
			}
			catch(NumberFormatException n)
			{
				JOptionPane.showMessageDialog(null,"Enter Numbers Only !","Error",JOptionPane.ERROR_MESSAGE);
			}
		
		}// end of First While
		
		
	}// end of methode main

}//end of class Bank