using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MyBank
{
    class Customer
    {
        private string customerName;
        private long pNo;

        private const int ACCOUNT_LIMIT = 5;
        private List<BankAccount> accounts;

        // Constructor
        public Customer(string customerName, long pNo)
        {
            this.customerName = customerName;
            this.pNo = pNo;

            accounts = new List<BankAccount>();
        }

        // Getter/Setter
        public long PNo { get => pNo;}
        public string CustomerName { get => customerName; set => customerName = value; }

        // Creates a SavingsAccount
        public bool CreateSavingsAccount()
        {
            if (accounts.Count < ACCOUNT_LIMIT)
            {
                accounts.Add(new SavingsAccount(customerName));
                return true;
            }
            return false;
        }

        // Creates CreditAccount
        public bool CreateCreditAccount()
        {
            if (accounts.Count < ACCOUNT_LIMIT)
            {
                accounts.Add(new CreditAccount(customerName));
                return true;
            }
            return false;
        }

        // Deletes an account with accountNumber
        public bool DeleteAccount(int accountNumber)
        {
            foreach (BankAccount account in accounts)
            {
                if (accountNumber == account.AccountNumber)
                {
                    accounts.Remove(account);
                    return true;
                }
            }
            return false;
        }

        // Displays account information
        public string DisplayAccountInfo(int accountNumber)
        {
            foreach (BankAccount account in accounts)
            {
                if (accountNumber == account.AccountNumber)
                    return account.DisplayAccount();
            }

            return "";
        }
    }
}