using Nonemm.Contests.Rules;
using Nonemm.Core;

namespace Nonemm.Contests.Tests;

/// What N1MM does with a contact the operator has taken out of the claimed
/// score, and with one a log N1MM wrote has marked as a dupe. The two are not
/// the same: an unclaimed contact is left out of the score and out of both the
/// dupe search and the multiplier search, while a contact marked `D` still
/// takes a dupe and a multiplier away from a later contact.
public class ExcludedContactTests
{
    private static ContestLog LogFor() =>
        new(new CqWorldWide(ModeCategory.Cw), TestLog.Germany, TestLog.CountryFile);

    private static Qso Japan(string call = "JA1XYZ", DateTime? at = null) =>
        TestLog.Contact(call, zone: 25, at: at);

    private static readonly DateTime Later = new(2026, 5, 30, 13, 0, 0, DateTimeKind.Utc);

    [Fact]
    public void AnUnclaimedContactScoresNothing()
    {
        ContestLog log = LogFor();
        log.Add(Japan() with { IsClaimed = false });
        Assert.Equal(0, log.Tally.Qsos);
        Assert.Equal(0, log.Tally.Points);
        Assert.Equal(0, log.Tally.TotalMultipliers);
        Assert.Equal(0, log.TotalScore);
    }

    [Fact]
    public void AnUnclaimedContactDoesNotDupeALaterOne()
    {
        ContestLog log = LogFor();
        log.Add(Japan() with { IsClaimed = false });
        Assert.False(log.IsWorked(Japan(at: Later)));
    }

    [Fact]
    public void AnUnclaimedContactLeavesItsMultipliersForALaterOne()
    {
        ContestLog log = LogFor();
        log.Add(Japan() with { IsClaimed = false });
        Verdict later = log.Judge(Japan("JH1ABC", Later));
        Assert.Equal([1, 2], later.NewMultipliers.Select(m => m.Index).ToList());
    }

    /// N1MM searches for dupes and multipliers among the claimed contacts
    /// whether or not they are marked as a dupe, so the second contact here
    /// gets no multiplier and the multiplier is lost from the score.
    [Fact]
    public void AContactMarkedAsADupeTakesItsMultipliersOutOfTheScore()
    {
        ContestLog log = LogFor();
        log.Add(Japan() with { ContactType = "D" });
        Assert.Equal(0, log.Tally.Qsos);
        Assert.Equal(0, log.Tally.TotalMultipliers);
        Assert.Empty(log.Judge(Japan("JH1ABC", Later)).NewMultipliers);
        Assert.True(log.IsWorked(Japan(at: Later)));
    }
}