using Nonemm.Core;

namespace Nonemm.Core.Tests;

public class CallsignTests
{
    [Theory]
    [InlineData("N8BJQ", "N8")]
    [InlineData("9A1AA", "9A1")]
    [InlineData("K1ABC", "K1")]
    [InlineData("VP2EXX", "VP2")]
    [InlineData("LZ1400PS", "LZ1400")]
    public void WpxPrefixEndsAtTheLastDigit(string call, string expected) =>
        Assert.Equal(expected, Callsign.Parse(call).WpxPrefix());

    [Fact]
    public void CallWithNoDigitTakesAZeroAfterTwoLetters() =>
        Assert.Equal("RA0", Callsign.Parse("RAEM").WpxPrefix());

    [Theory]
    [InlineData("KH9/N8BJQ")]
    [InlineData("N8BJQ/KH9")]
    public void PortablePrefixBecomesTheWpxPrefix(string call) =>
        Assert.Equal("KH9", Callsign.Parse(call).WpxPrefix());

    [Fact]
    public void PortablePrefixWithNoDigitGainsAZero() =>
        Assert.Equal("PA0", Callsign.Parse("PA/N8BJQ").WpxPrefix());

    [Fact]
    public void SingleDigitModifierReplacesTheDigit() =>
        Assert.Equal("N9", Callsign.Parse("N8BJQ/9").WpxPrefix());

    [Fact]
    public void PortableModifierChangesNothing()
    {
        Callsign call = Callsign.Parse("DL1ABC/P");
        Assert.Equal("DL1", call.WpxPrefix());
        Assert.Null(call.PortablePrefix);
        Assert.Equal("DL1ABC", call.Station);
    }

    [Fact]
    public void MaritimeMobileCountsForNothing()
    {
        Callsign call = Callsign.Parse("DL1ABC/MM");
        Assert.True(call.IsMaritimeMobile);
        Assert.False(call.CountsForEntity);
        Assert.Null(call.WpxPrefix());
    }

    [Fact]
    public void PortablePrefixIsWhatTheCountryFileGetsAsked() =>
        Assert.Equal("KH9", Callsign.Parse("KH9/N8BJQ").EntityLookupText());

    [Theory]
    [InlineData("JA1XYZ")]
    [InlineData("DL1ABC/P")]
    [InlineData("KH9/N8BJQ")]
    [InlineData("9A1A")]
    public void ACallThatCouldHaveBeenIssuedIsPlausible(string text) =>
        Assert.True(Callsign.Parse(text).IsPlausible);

    [Theory]
    [InlineData("12345")]
    [InlineData("ABCDE")]
    [InlineData("AB")]
    [InlineData("JA1XY Z")]
    [InlineData("")]
    public void ATextThatCouldNotBeACallIsNot(string text) =>
        Assert.False(Callsign.Parse(text).IsPlausible);

    [Fact]
    public void TwoParsesOfOneCallAreTheSameCallsign()
    {
        Assert.Equal(Callsign.Parse("OH1SIC"), Callsign.Parse("OH1SIC"));
        Assert.Equal(Callsign.Parse("KH9/N8BJQ"), Callsign.Parse("KH9/N8BJQ"));
        Assert.NotEqual(Callsign.Parse("OH1SIC"), Callsign.Parse("OH1SID"));
    }
}