using Nonemm.Core;

namespace Nonemm.Network.Tests;

public class ContactMessageTests
{
    private static Qso Contact() => new()
    {
        Id = "0123456789abcdef0123456789abcdef",
        TimestampUtc = new DateTime(2026, 5, 30, 12, 34, 56, DateTimeKind.Utc),
        Call = Callsign.Parse("JA1XYZ"),
        Frequency = Frequency.FromKilohertz(14_025.5),
        Mode = Modes.Cw,
        ContestName = "CQWW",
        ContestNumber = 3,
        SentReport = "599",
        ReceivedReport = "579",
        Zone = 25,
        Points = 3,
        IsMultiplier1 = true,
        CountryPrefix = "JA",
        Continent = "AS",
        WpxPrefix = "JA1",
        IsRunQso = true,
    };

    private static Qso ReadBack(string xml) =>
        Assert.IsType<ContactLogged>(ContactMessage.Read(xml)).Qso;

    [Fact]
    public void ContactSurvivesTheRoundTrip()
    {
        Qso read = ReadBack(ContactMessage.Write(Contact(), "DL1ABC", "PC1"));

        Assert.Equal("0123456789abcdef0123456789abcdef", read.Id);
        Assert.Equal("JA1XYZ", read.Call.Text);
        Assert.Equal(14_025_500, read.Frequency.Hertz);
        Assert.Equal(new DateTime(2026, 5, 30, 12, 34, 56, DateTimeKind.Utc), read.TimestampUtc);
        Assert.Equal(25, read.Zone);
        Assert.Equal("JA", read.CountryPrefix);
        Assert.True(read.IsRunQso);
        Assert.Equal("PC1", read.StationName);
    }

    /// A contact that arrived over the network was made somewhere else, whatever
    /// the sender put in the field.
    [Fact]
    public void AContactFromTheNetworkIsNotOriginal() =>
        Assert.False(ReadBack(ContactMessage.Write(Contact(), "DL1ABC", "PC1")).IsOriginal);

    [Fact]
    public void FrequenciesAreSentInUnitsOfTenHertz() =>
        Assert.Contains("<rxfreq>1402550</rxfreq>", ContactMessage.Write(Contact(), "DL1ABC", "PC1"));

    [Fact]
    public void AnEditCarriesTheCallAndTimeTheContactHadBefore()
    {
        Qso edited = Contact() with { Call = Callsign.Parse("JA1XYZ/2") };
        DateTime before = new(2026, 5, 30, 12, 30, 0, DateTimeKind.Utc);

        ContactReplaced read = Assert.IsType<ContactReplaced>(ContactMessage.Read(
            ContactMessage.WriteReplace(edited, "DL1ABC", "PC1", "JA1XYZ", before)));

        Assert.Equal("JA1XYZ/2", read.Qso.Call.Text);
        Assert.Equal("JA1XYZ", read.OldCall);
        Assert.Equal(before, read.OldTimestampUtc);
    }

    [Fact]
    public void ADeleteNamesTheContactByIdCallAndTime()
    {
        ContactDeleted read = Assert.IsType<ContactDeleted>(ContactMessage.Read(
            ContactMessage.WriteDelete(Contact(), "DL1ABC", "PC1")));

        Assert.Equal("0123456789abcdef0123456789abcdef", read.Id);
        Assert.Equal("JA1XYZ", read.Call);
        Assert.Equal(new DateTime(2026, 5, 30, 12, 34, 56, DateTimeKind.Utc), read.TimestampUtc);
        Assert.Equal(3, read.ContestNumber);
        Assert.Equal("PC1", read.StationName);
    }

    [Theory]
    [InlineData("<radioinfo><app>N1MM</app></radioinfo>")]
    [InlineData("not xml at all")]
    [InlineData("<contactinfo><call></call></contactinfo>")]
    public void AnythingThatIsNotAContactIsPassedOver(string message) =>
        Assert.Null(ContactMessage.Read(message));
}