package accounts;

public class SavingsAccount extends BankAccount
{
    private int mInterestRate;

    public SavingsAccount(int id, String name)              { super(id, name); }
    public SavingsAccount(int id, String name, int balance) { super(id, name, balance); }

    public int getInterestRate()                            { return mInterestRate; }
    public void setInterestRate(int newInterestRate)        { mInterestRate = newInterestRate; }

    public void applyInterest()
    {
        float interest = mInterestRate / 100f * mBalance;

        mBalance += interest;
    }

    @Override public void deposit(int amount)
    {
        if (amount < 0)
            throw new IllegalArgumentException("The amount can not be smaller than 0.");

        if (amount > 10_000)
            throw new IllegalArgumentException("The amount can not be greater than 10_000 in a SavingsAccount.");

        mBalance += amount;
    }

    /** @return Json string representation of the class. */
    @Override public String toString()
    {
        return new StringBuilder()
                .append("{ \"type\": \"SavingsAccount\""    )
                .append(", \"id\": "                        )
                .append(getId()                             )
                .append(", \"accountHolder\": \""           )
                .append(getName()                           )
                .append("\", \"currentBalance\": "          )
                .append(mBalance                            )
                .append(", \"interestRate\": "              )
                .append(mInterestRate                       )
                .append(" }"                                )
                .toString();
    }
}