namespace IRCSharp.Tests.State;

[TestClass]
public class Emit
{
    private Server _server;

    [TestInitialize]
    public void TestInitialize()
    {
        _server = new("test");
        _server.Parse(new("001 nickname"));
    }

    [TestMethod]
    public void EmitJoin()
    {
        var emit = _server.Parse(new(":nickname JOIN #chan"));

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

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

    [TestMethod]
    public void EmitPrivmsg()
    {
        _server.Parse(new(":nickname JOIN #chan"));
        var emit = _server.Parse(new(":nickname PRIVMSG #chan :hello"));

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

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

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

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

        Assert.IsNotNull(emit);
        Assert.AreEqual("PRIVMSG", emit.Command);
        Assert.AreEqual("hello", emit.Text);
        Assert.IsFalse(emit.SelfSource);
        Assert.IsNotNull(emit.User);

        var channel = _server.Channels["#chan"];
        Assert.AreEqual(channel, emit.Channel);
    }

    [TestMethod]
    public void EmitKick()
    {
        _server.Parse(new(":nickname JOIN #chan"));

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

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

    [TestMethod]
    public void EmitMode()
    {
        var emit = _server.Parse(new("MODE nickname x+i-i+wi-wi"));

        Assert.IsNotNull(emit);
        Assert.AreEqual("MODE", emit.Command);
        Assert.IsTrue(emit.SelfTarget);
        CollectionAssert.AreEqual(new List<string>
        {
            "+x",
            "+i",
            "-i",
            "+w",
            "+i",
            "-w",
            "-i"
        }, emit.Tokens);
    }
}