codeunit 50001 PaymentProcessorImpl implements IPaymentProcessor
{
    procedure ProcessPayment(Customer: Record "TEST Customer"): Boolean
    var
    //PaymentEntry: Record "Payment Entry";
    begin
        // Implementation of payment processing
        Customer.CalcFields(Balance);

        if Customer.Balance <= 0 then
            exit(false);

        // PaymentEntry.Init();
        // PaymentEntry."Customer No." := Customer."No.";
        // PaymentEntry.Amount := Customer.Balance;
        // PaymentEntry."Payment Date" := Today();
        // PaymentEntry.Status := PaymentEntry.Status::Processed;

        // if PaymentEntry.Insert(true) then begin
        //     Message('Payment processed for customer %1', Customer.Name);
        //     exit(true);
        // end;

        exit(false);
    end;

    procedure ValidatePaymentMethod(PaymentMethodCode: Code[10]): Boolean
    var
        PaymentMethod: Record "Payment Method";
    begin
        if PaymentMethodCode = '' then
            exit(false);

        exit(PaymentMethod.Get(PaymentMethodCode));
    end;

    procedure GetTransactionFee(Amount: Decimal): Decimal
    var
        FeePercentage: Decimal;
        MinimumFee: Decimal;
    begin
        FeePercentage := 2.9; // 2.9% transaction fee
        MinimumFee := 0.30; // Minimum fee

        exit(Maximum(Amount * FeePercentage / 100, MinimumFee));
    end;

    procedure RefundPayment(TransactionID: Text[50]): Boolean
    var
    // PaymentEntry: Record "Payment Entry";
    begin
        // PaymentEntry.SetRange("Transaction ID", TransactionID);

        // if PaymentEntry.FindFirst() then begin
        //     PaymentEntry.Status := PaymentEntry.Status::Refunded;
        //     PaymentEntry."Refund Date" := Today();
        //     PaymentEntry.Modify(true);

        //     Message('Payment refunded for transaction %1', TransactionID);
        //     exit(true);
        // end;

        Error('Transaction %1 not found', TransactionID);
    end;

    local procedure Maximum(Value1: Decimal; Value2: Decimal): Decimal
    begin
        if Value1 > Value2 then
            exit(Value1)
        else
            exit(Value2);
    end;
}