namespace IRCSharp.Tests.State;

public class Emit
{
    private readonly Server _server = new("test");

    public Emit()
    {
        _server.Parse(new Line("001 nickname"));
    }

    [Test]
    public async Task EmitJoin()
    {
        var emit = _server.Parse(new Line(":nickname JOIN #chan"));

        await Assert.That(emit.Command).IsEqualTo("JOIN");
        await Assert.That(emit.Self).IsTrue();
        await Assert.That(emit.User).IsEqualTo(_server.Users["nickname"]);
        await Assert.That(emit.Channel).IsEqualTo(_server.Channels["#chan"]);

        emit = _server.Parse(new Line(":other JOIN #chan"));
        await Assert.That(emit).IsNotNull();
        await Assert.That(emit.Command).IsEqualTo("JOIN");
        await Assert.That(emit.Self).IsFalse();
        await Assert.That(emit.User).IsEqualTo(_server.Users["other"]);
        await Assert.That(emit.Channel).IsEqualTo(_server.Channels["#chan"]);
    }

    [Test]
    public async Task EmitPrivmsg()
    {
        _server.Parse(new Line(":nickname JOIN #chan"));
        var emit = _server.Parse(new Line(":nickname PRIVMSG #chan :hello"));

        await Assert.That(emit).IsNotNull();
        await Assert.That(emit.Command).IsEqualTo("PRIVMSG");
        await Assert.That(emit.Text).IsEqualTo("hello");
        await Assert.That(emit.SelfSource).IsTrue();
        await Assert.That(emit.User).IsEqualTo(_server.Users["nickname"]);
        await Assert.That(emit.Channel).IsEqualTo(_server.Channels["#chan"]);

        _server.Parse(new Line(":other JOIN #chan"));
        emit = _server.Parse(new Line(":other PRIVMSG #chan :hello2"));

        await Assert.That(emit).IsNotNull();
        await Assert.That(emit.Command).IsEqualTo("PRIVMSG");
        await Assert.That(emit.Text).IsEqualTo("hello2");
        await Assert.That(emit.SelfSource).IsFalse();
        await Assert.That(emit.User).IsEqualTo(_server.Users["other"]);
        await Assert.That(emit.Channel).IsEqualTo(_server.Channels["#chan"]);
    }

    [Test]
    public async Task EmitPrivmsgNoJoin()
    {
        _server.Parse(new Line(":nickname JOIN #chan"));
        var emit = _server.Parse(new Line(":other PRIVMSG #chan :hello"));

        await Assert.That(emit).IsNotNull();
        await Assert.That(emit.Command).IsEqualTo("PRIVMSG");
        await Assert.That(emit.Text).IsEqualTo("hello");
        await Assert.That(emit.SelfSource).IsFalse();
        await Assert.That(emit.User).IsNotNull();

        var channel = _server.Channels["#chan"];
        await Assert.That(emit.Channel).IsEqualTo(channel);
    }

    [Test]
    public async Task EmitKick()
    {
        _server.Parse(new Line(":nickname JOIN #chan"));

        var user    = _server.Users["nickname"];
        var channel = _server.Channels["#chan"];
        _server.Parse(new Line(":other JOIN #chan"));
        var userOther = _server.Users["other"];
        var emit      = _server.Parse(new Line(":nickname KICK #chan other :reason"));

        await Assert.That(emit).IsNotNull();
        await Assert.That(emit.Command).IsEqualTo("KICK");
        await Assert.That(emit.Text).IsEqualTo("reason");
        await Assert.That(emit.SelfSource).IsTrue();
        await Assert.That(emit.UserSource).IsEqualTo(user);
        await Assert.That(emit.UserTarget).IsEqualTo(userOther);
        await Assert.That(emit.Channel).IsEqualTo(channel);
    }

    [Test]
    public async Task EmitMode()
    {
        var emit = _server.Parse(new Line("MODE nickname x+i-i+wi-wi"));

        await Assert.That(emit).IsNotNull();
        await Assert.That(emit.Command).IsEqualTo("MODE");
        await Assert.That(emit.SelfTarget).IsTrue();
        await Assert.That(emit.Tokens).IsEquivalentTo(["+x", "+i", "-i", "+w", "+i", "-w", "-i"]);
    }
}