using Nonemm.Core;
using Nonemm.Formats.Adif;

namespace Nonemm.Formats.Tests;

public class AdifTests
{
    private static readonly StationInfo Me = new() { Callsign = "DL1ABC" };

    private static Qso Contact() => new()
    {
        Id = Qso.NewId(),
        TimestampUtc = new DateTime(2026, 5, 30, 12, 34, 56, DateTimeKind.Utc),
        Call = Callsign.Parse("JA1XYZ"),
        Frequency = Frequency.FromKilohertz(14_025),
        Mode = Modes.Cw,
        ContestName = "CQWW",
        SentReport = "599",
        ReceivedReport = "579",
        Zone = 25,
        ReceivedNumber = 34,
    };

    [Fact]
    public void ContactSurvivesAWriteAndRead()
    {
        string text = new AdifWriter(Me).Write([Contact()]);
        Qso read = AdifReader.Read(text).Single();

        Assert.Equal("JA1XYZ", read.Call.Text);
        Assert.Equal(new DateTime(2026, 5, 30, 12, 34, 56, DateTimeKind.Utc), read.TimestampUtc);
        Assert.Equal(14_025_000, read.Frequency.Hertz);
        Assert.Equal(Modes.Cw, read.Mode);
        Assert.Equal("579", read.ReceivedReport);
        Assert.Equal(25, read.Zone);
        Assert.Equal(34, read.ReceivedNumber);
        Assert.Equal("CQWW", read.ContestName);
    }

    [Fact]
    public void HeaderIsSkipped()
    {
        const string text = "Exported by something\r\n<ADIF_VER:5>3.1.4 <EOH>\r\n" +
                            "<CALL:6>JA1XYZ <QSO_DATE:8>20260530 <TIME_ON:6>123456 <MODE:2>CW <EOR>";
        Assert.Equal("JA1XYZ", AdifReader.Read(text).Single().Call.Text);
    }

    [Fact]
    public void RecordWithNoCallIsDropped()
    {
        const string text = "<EOH>\r\n<QSO_DATE:8>20260530 <EOR>\r\n<CALL:6>JA1XYZ <EOR>";
        Assert.Single(AdifReader.Read(text));
    }

    [Fact]
    public void BandStandsInWhenThereIsNoFrequency()
    {
        const string text = "<EOH>\r\n<CALL:6>JA1XYZ <BAND:3>20m <EOR>";
        Assert.Equal(Bands.Band20M, AdifReader.Read(text).Single().Band);
    }
}