#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Tue Nov  8 13:18:20 2022

@author: Mohammad Hammoud
"""

class Customer:
    
    def __init__(self, name, cid):
        self.cname = name
        self.cid = cid
    
    def getCName(self):
        return self.cname 
    
    def getCId(self):
        return self.cid
    

c1 = Customer("Mohammad", 667123)
print(c1.getCName())
print(c1.getCId())


c2 = Customer("Khaled", 493057)
print(c2.getCName())
print(c2.getCId())


class Account:
    
    #This is a static or class variable
    counter = 0
    
    def __init__(self, customer, balance):
        self.customer = customer 
        self.balance = balance 
        #You can access the static variable through the name of the class
        Account.counter += 1
        self.number = Account.counter
    
    def getAccountNumber(self):
        return self.number
    
    def getAccountBalance(self):
        return self.balance
    
    def getAccountOwner(self):
        return self.customer 
    
    def deposit(self, amount):
        self.balance = self.balance + amount
    
    def withdraw(self, amount):
        
        if amount <= self.balance:
            self.balance = self.balance - amount
        else:
            print("You do not have sufficient funds!")
    

a1 = Account(c1, 100)
a2 = Account(c2, 200)
print(a1.getAccountNumber())
print(a2.getAccountNumber())
print("The number of accounts created thus far is", Account.counter)

print(a1.getAccountBalance())
a1.deposit(230)
print(a1.getAccountBalance())

a1.withdraw(30)
print(a1.getAccountBalance())

a1.withdraw(500)


class Bank:
    
    #All accounts will be stored in one dictionary named accounts. 
    def __init__(self, bank_name, accounts):
        self.bname = bank_name
        self.accounts = accounts
    
# =============================================================================
#     The key of each element in the accounts dictionary is the account number 
#     and the value is the account itself.
# =============================================================================
    def addAccount(self, account):
        
        if self.accounts.get(account.getAccountNumber(), -1) == -1:
            self.accounts[account.getAccountNumber()] = account
        else:
            print("Account already exists")
    
    def getAccount(self, account):
        if account.getAccountNumber() in self.accounts:
            return self.accounts[account.getAccountNumber()]
        else:
            print("Account does not exist")


accounts = {a1.getAccountNumber():a1, a2.getAccountNumber():a2}
b = Bank("QNB", accounts)

print(b.getAccount(a1).getAccountOwner().getCName())