using Nonemm.Core;

namespace Nonemm.Contests;

/// Reading the entry's class off the Cabrillo categories. N1MM reads the
/// number of transmitters off the operator category on Cabrillo 2.0 and off
/// the transmitter category after it, so both are checked here and an entry
/// written either way is read.
public static class EntryCategories
{
    public static bool IsMultiOperator(ContestEntry entry) =>
        entry.OperatorCategory.StartsWith("MULTI", StringComparison.OrdinalIgnoreCase);

    public static bool IsMultiOne(ContestEntry entry) => Is(entry, "MULTI-ONE", "ONE");

    public static bool IsMultiTwo(ContestEntry entry) => Is(entry, "MULTI-TWO", "TWO");

    public static bool IsMultiMulti(ContestEntry entry) => Is(entry, "MULTI-MULTI", "UNLIMITED");

    private static bool Is(ContestEntry entry, string operatorCategory, string transmitterCategory) =>
        IsMultiOperator(entry)
        && (entry.OperatorCategory.Equals(operatorCategory, StringComparison.OrdinalIgnoreCase)
            || entry.TransmitterCategory.Equals(transmitterCategory, StringComparison.OrdinalIgnoreCase));
}