using Nonemm.Core;

namespace Nonemm.Spotting.Tests;

public class SpotDescriptionTests
{
    private static readonly DateTime At = new(2026, 5, 30, 12, 1, 0, DateTimeKind.Utc);
    private static readonly DateTime Now = At.AddMinutes(41);

    [Fact]
    public void ASpotNamesTheSpotterTheTimeAndTheComment()
    {
        Spot spot = new(
            Callsign.Parse("JA1XYZ"), Frequency.FromKilohertz(14_025), At, SpotSource.Cluster,
            "K1TTT", "CW 26 dB");

        Assert.Equal("14025.0 by K1TTT, 41m ago\nCW 26 dB", SpotDescription.Of(spot, Now));
    }

    [Fact]
    public void ASpotWithoutACommentOrSpotterHasOneLine()
    {
        Spot spot = new(
            Callsign.Parse("JA1XYZ"), Frequency.FromKilohertz(14_025), At, SpotSource.Log);

        Assert.Equal("14025.0, 41m ago", SpotDescription.Of(spot, Now));
    }

    [Theory]
    [InlineData("USB")]
    [InlineData("lsb")]
    [InlineData("SSB\a\a")]
    public void ASidebandAloneIsLeftOut(string comment)
    {
        Spot spot = new(
            Callsign.Parse("JA1XYZ"), Frequency.FromKilohertz(14_025), At, SpotSource.Cluster,
            "K1TTT", comment);

        Assert.Equal("14025.0 by K1TTT, 41m ago", SpotDescription.Of(spot, Now));
    }

    [Fact]
    public void ControlCharactersAreDroppedFromTheComment()
    {
        Spot spot = new(
            Callsign.Parse("JA1XYZ"), Frequency.FromKilohertz(14_025), At, SpotSource.Cluster,
            "K1TTT", "CW 26 dB\r\a");

        Assert.Equal("14025.0 by K1TTT, 41m ago\nCW 26 dB", SpotDescription.Of(spot, Now));
    }

    [Theory]
    [InlineData(20, "14025.0, 0m ago")]
    [InlineData(3600 + 300, "14025.0, 1h 5m ago")]
    public void TheAgeIsInMinutesThenHours(int seconds, string expected)
    {
        Spot spot = new(
            Callsign.Parse("JA1XYZ"), Frequency.FromKilohertz(14_025), At, SpotSource.Log);

        Assert.Equal(expected, SpotDescription.Of(spot, At.AddSeconds(seconds)));
    }
}