using Nonemm.Contests;
using Nonemm.Contests.Rules;
using Nonemm.Core;
using Nonemm.Core.Country;
using Nonemm.Storage;

namespace Nonemm.Session.Tests;

/// Two radios sharing one contest.
public class ContestSessionTests
{
    private static readonly StationInfo Me = new()
    {
        Callsign = "DL1ABC",
        CqZone = 14,
        Continent = "EU",
        CountryPrefix = "DL",
    };

    private static ContestSession Session()
    {
        FakeLogStore store = new();
        ContestInstance instance = store.AddContest(new ContestInstance
        {
            ContestNumber = 0,
            ContestName = "CQWPXCW",
        });
        return new ContestSession(store, new CqWpx(ModeCategory.Cw), instance, Me, null);
    }

    private static void Type(OperatingPosition radio, string call, string number)
    {
        radio.Entry.Call = call;
        radio.Entry.Set(ExchangeSlot.ReceivedReport, "599");
        radio.Entry.Set(ExchangeSlot.SerialNumber, number);
    }

    [Fact]
    public void BothRadiosLogIntoTheSameLog()
    {
        ContestSession session = Session();
        OperatingPosition first = new(session, 1);
        OperatingPosition second = new(session, 2);

        Type(first, "JA1XYZ", "1");
        first.LogContact();
        Type(second, "W3LPL", "2");
        second.LogContact();

        Assert.Equal(2, session.Log.Qsos.Count);
        Assert.Equal([1, 2], session.Log.Qsos.Select(q => q.RadioNumber));
    }

    /// Serial numbers belong to the station, not to a radio, so the second
    /// radio carries on where the first left off.
    [Fact]
    public void SerialNumbersCountUpAcrossBothRadios()
    {
        ContestSession session = Session();
        OperatingPosition first = new(session, 1);
        OperatingPosition second = new(session, 2);

        Type(first, "JA1XYZ", "1");
        Assert.Equal(1, first.LogContact().SentNumber);

        Type(second, "W3LPL", "2");
        Assert.Equal(2, second.LogContact().SentNumber);
    }

    /// A station worked on radio 1 is a dupe on radio 2, or the second radio
    /// spends the contest working stations again.
    [Fact]
    public void AStationWorkedOnOneRadioIsADupeOnTheOther()
    {
        ContestSession session = Session();
        OperatingPosition first = new(session, 1);
        OperatingPosition second = new(session, 2);

        Type(first, "JA1XYZ", "1");
        first.LogContact();

        Type(second, "JA1XYZ", "2");
        Assert.True(second.Verdict()?.IsDupe);
    }

    /// The two radios are on different bands and are running or searching
    /// independently, so neither of those can be shared.
    [Fact]
    public void EachRadioKeepsItsOwnFrequencyAndRunState()
    {
        ContestSession session = Session();
        OperatingPosition first = new(session, 1);
        OperatingPosition second = new(session, 2);

        first.Tune(Frequency.FromKilohertz(14_025));
        first.IsRunning = true;
        second.Tune(Frequency.FromKilohertz(7_025));

        Assert.Equal(14_025_000, first.Frequency.Hertz);
        Assert.Equal(7_025_000, second.Frequency.Hertz);
        Assert.True(first.IsRunning);
        Assert.False(second.IsRunning);
    }

    [Fact]
    public void WhatIsTypedOnOneRadioStaysThere()
    {
        ContestSession session = Session();
        OperatingPosition first = new(session, 1);
        OperatingPosition second = new(session, 2);

        Type(first, "JA1XYZ", "1");

        Assert.Equal("", second.Entry.Call);
    }
}