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

namespace Nonemm.Contests.Tests;

public class CqWorldWideTests
{
    private static ContestLog LogFor(StationInfo me) =>
        new(new CqWorldWide(ModeCategory.Cw), me, TestLog.CountryFile);

    [Fact]
    public void ContactWithOwnCountryScoresNothing()
    {
        ContestLog log = LogFor(TestLog.Germany);
        Assert.Equal(0, log.Judge(TestLog.Contact("DL9XYZ", zone: 14)).Points);
    }

    [Fact]
    public void SameContinentDifferentCountryScoresOne()
    {
        ContestLog log = LogFor(TestLog.Germany);
        Assert.Equal(1, log.Judge(TestLog.Contact("IK2XYZ", zone: 15)).Points);
    }

    [Fact]
    public void DifferentContinentScoresThree()
    {
        ContestLog log = LogFor(TestLog.Germany);
        Assert.Equal(3, log.Judge(TestLog.Contact("JA1XYZ", zone: 25)).Points);
    }

    [Fact]
    public void NorthAmericansScoreTwoWithinNorthAmerica()
    {
        ContestLog log = LogFor(TestLog.UnitedStates);
        Assert.Equal(2, log.Judge(TestLog.Contact("VE3XYZ", zone: 5)).Points);
    }

    [Fact]
    public void OwnCountryStillCountsAsAMultiplier()
    {
        ContestLog log = LogFor(TestLog.Germany);
        Verdict verdict = log.Judge(TestLog.Contact("DL9XYZ", zone: 14));
        Assert.Equal(2, verdict.NewMultipliers.Count);
        Assert.Equal(0, verdict.Points);
    }

    [Fact]
    public void ZoneAndCountryCountOncePerBand()
    {
        ContestLog log = LogFor(TestLog.Germany);
        log.Add(TestLog.Contact("JA1XYZ", zone: 25));
        Assert.Empty(log.Judge(TestLog.Contact("JA2XYZ", zone: 25)).NewMultipliers);
        Assert.Equal(2, log.Judge(TestLog.Contact("JA2XYZ", 21_025, zone: 25)).NewMultipliers.Count);
    }

    [Fact]
    public void SameStationOnAnotherBandIsNotADupe()
    {
        ContestLog log = LogFor(TestLog.Germany);
        log.Add(TestLog.Contact("JA1XYZ", zone: 25));
        Assert.True(log.Judge(TestLog.Contact("JA1XYZ", zone: 25)).IsDupe);
        Assert.False(log.Judge(TestLog.Contact("JA1XYZ", 21_025, zone: 25)).IsDupe);
    }

    [Fact]
    public void ScoreIsPointsTimesMultipliers()
    {
        ContestLog log = LogFor(TestLog.Germany);
        log.Add(TestLog.Contact("JA1XYZ", zone: 25));
        log.Add(TestLog.Contact("PY2XYZ", zone: 11));
        Assert.Equal(6, log.Tally.Points);
        Assert.Equal(4, log.Tally.TotalMultipliers);
        Assert.Equal(24, log.TotalScore);
    }

    [Fact]
    public void RemovingAContactHandsItsMultiplierToTheNextOne()
    {
        ContestLog log = LogFor(TestLog.Germany);
        Qso first = log.Add(TestLog.Contact("JA1XYZ", zone: 25, at: new DateTime(2026, 5, 30, 12, 0, 0, DateTimeKind.Utc)));
        log.Add(TestLog.Contact("JA2XYZ", zone: 25, at: new DateTime(2026, 5, 30, 12, 1, 0, DateTimeKind.Utc)));
        log.Remove(first.Id);
        Assert.True(log.Qsos.Single().IsMultiplier1);
        Assert.Equal(2, log.Tally.TotalMultipliers);
    }
}