the_big_one/src/main/java/jesse/keeblarcraft/BankMgr/IndividualBank.java

package jesse.keeblarcraft.BankMgr;

import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import jesse.keeblarcraft.ConfigMgr.ConfigManager;

// Contains the information of an individual bank
//
// The bank will keep track of all accounts within its facilities. In addition to accounts, the bank
// maintains its own identifier which is unique and other misc things.
public class IndividualBank {
    ConfigManager config = new ConfigManager();
    private String routingNumber; // this is the banks unique identifier
    private String numberOfAccounts; // Total number of accounts the bank has. This includes only active accounts

    // Think FDIC but from the servers account (keeblarcraft insurance corporation)
    // KBIC will ensure an amount of money based on its trustworthiness to a bank and the number of holders it has.
    private Integer kbicInsuredAmount;
    private Boolean kbicInsured;

    // bankMoney is the total amount of money the bank possesses itself. The bank itself is personally responsible
    // for backing the amount of money it claims it has and this is the balance that is withdrawn from for credits.
    // A bank can have a sum of money that is less than the total amount of money of all its account holders
    private Integer bankMoney;

    // Key   = ACCOUNT NUMBER
    // Value = ACCOUNT
    private HashMap<Integer, IndividualAccount> accountsList;
    private HashMap<String, List<Integer>> accountsListFromName; // This is a list that just points to a list of account numbers by person. USEFUL
    private List<String> lockedUsers; // A list of users who are locked out of the bank and are incapable of performing more actions within it

    public IndividualBank(String routingNumber) {
        accountsList = new HashMap<Integer, IndividualAccount>();
        accountsListFromName = new HashMap<String, List<Integer>>();

        // READ IN BANK CONFIG

        // A modified config reader is needed here for when each IndividualAccount is read in - the name is taken from that and is attached to the
        // 'accountsListFromName' structure. This makes it no worse than O(n) to fill these two structures in
    }

    public Boolean CreateAccount(String holderName, String accountType) {
        if (accountType.toLowerCase() != "checking" || accountType.toLowerCase() != "savings") {
            return false;
        } // TODO: Replace String with enum type in future and remove this early return

        Boolean success = false;

        // Verify this isn't a blacklisted user
        if (!lockedUsers.contains(holderName)) {

        }

        return success;
    }

    public Boolean HasAccount(String accountIdentifier) {
        Boolean containsAccount = false;
        if (accountsList.containsKey(accountIdentifier)) {
            containsAccount = true;
        }
        return true;
    }
}