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

namespace Nonemm.Session.Tests;

public class MessageExpanderTests
{
    private static RadioPosition Session(CallHistory? history = null, int radioNumber = 1)
    {
        FakeLogStore store = new();
        ContestInstance instance = store.AddContest(new ContestInstance
        {
            ContestNumber = 0,
            ContestName = "CQWW",
            SentExchange = "14",
        });
        return new RadioPosition(
            new ContestSession(
                store,
                new CqWorldWide(ModeCategory.Cw),
                instance,
                new StationInfo { Callsign = "DL1ABC", CqZone = 14, Name = "Erik", GridSquare = "JN88" },
                null,
                history),
            radioNumber);
    }

    [Fact]
    public void MyCallAndTheirCallAreFilledIn()
    {
        RadioPosition session = Session();
        session.Entry.Call = "JA1XYZ";
        Assert.Equal("JA1XYZ DE DL1ABC", MessageExpander.Expand("{CALL} DE {MYCALL}", session));
    }

    [Fact]
    public void TheSentExchangeComesFromTheContestSetup() =>
        Assert.Equal("599 14", MessageExpander.Expand("{SENTRST} {EXCH}", Session()));

    [Fact]
    public void HashIsTheSerialNumber() =>
        Assert.Equal("NR 1", MessageExpander.Expand("NR #", Session()));

    [Fact]
    public void CutNumbersReplaceZeroAndNine() =>
        Assert.Equal("5NN", MessageExpander.Expand("{SENTRSTCUT}", Session()));

    [Fact]
    public void AMacroThatIsNotKnownDisappears() =>
        Assert.Equal("TU ", MessageExpander.Expand("TU {NOTAMACRO}", Session()));

    [Fact]
    public void AnUnclosedMacroIsLeftAsTyped() =>
        Assert.Equal("TU {MYCALL", MessageExpander.Expand("TU {MYCALL", Session()));

    [Fact]
    public void TheSingleCharacterMacrosAreTheirCallMyCallAndTheSerial()
    {
        RadioPosition session = Session();
        session.Entry.Call = "JA1XYZ";

        Assert.Equal("JA1XYZ 599 1 DE DL1ABC", MessageExpander.Expand("! 599 # DE *", session));
    }

    [Fact]
    public void TheirCallFallsBackToTheLastOneLogged()
    {
        RadioPosition session = Session();
        session.Entry.Call = "JA1XYZ";
        session.Entry.Set(ExchangeSlot.ReceivedReport, "599");
        session.Entry.Set(ExchangeSlot.Zone, "25");
        session.LogContact();

        Assert.Equal("JA1XYZ JA1XYZ", MessageExpander.Expand("{CALL} {LASTCALL}", session));
    }

    [Fact]
    public void TheFrequencySendsRForTheDecimalPointOnCw()
    {
        RadioPosition session = Session();
        session.Tune(Frequency.FromKilohertz(14_025.5));

        Assert.Equal("14025R5 14026", MessageExpander.Expand("{FREQ} {FREQROUND}", session));
    }

    [Fact]
    public void TheOtherRadioFillsInTheOtherMacros()
    {
        RadioPosition here = Session();
        RadioPosition there = Session(radioNumber: 2);
        there.Tune(Frequency.FromKilohertz(3_525));

        Assert.Equal("3525R0 3R5 80M", MessageExpander.Expand("{OTHERFREQ} {OTHERMHZ} {OTHERBAND}", here, there));
    }

    [Fact]
    public void WithOneRadioTheOtherMacrosStandForNothing() =>
        Assert.Equal("", MessageExpander.Expand("{OTHERFREQ}{OTHERMHZ}{OTHERBAND}", Session()));

    [Fact]
    public void TheNameComesFromTheCallHistoryWhenTheContestHasNoNameBox()
    {
        RadioPosition session = Session(CallHistory.Parse("!!Order!!,Call,Name\nJA1XYZ,Ken"));
        session.Entry.Call = "JA1XYZ";

        Assert.Equal("TU Ken GL", MessageExpander.Expand("TU {NAMEANDSPACE}GL", session));
    }

    [Fact]
    public void MyGridAndTheirsAreDifferentMacros()
    {
        RadioPosition session = Session(CallHistory.Parse("!!Order!!,Call,LOC1\nJA1XYZ,PM95"));
        session.Entry.Call = "JA1XYZ";

        Assert.Equal("JN88 PM95", MessageExpander.Expand("{GRID} {GRIDSQUARE}", session));
    }
}