// ReSharper disable StringLiteralTypo

using TUnit.Assertions.AssertConditions.Throws;

namespace IRCSharp.Tests.Tokenization;

public class Format
{
    [Test]
    public async Task Tags()
    {
        var line = new Line("PRIVMSG", "#channel", "hello")
        {
            Tags = new Dictionary<string, string> {{"id", "\\ ;\r\n"}}
        }.Format();

        await Assert.That(line).IsEqualTo(@"@id=\\\s\:\r\n PRIVMSG #channel hello");
    }

    [Test]
    public async Task MissingTag()
    {
        var line = new Line("PRIVMSG", "#channel", "hello").Format();

        await Assert.That(line).IsEqualTo("PRIVMSG #channel hello");
    }

    [Test]
    public async Task NullTag()
    {
        var line = new Line("PRIVMSG", "#channel", "hello") {Tags = new Dictionary<string, string> {{"a", null}}}
            .Format();

        await Assert.That(line).IsEqualTo("@a PRIVMSG #channel hello");
    }

    [Test]
    public async Task EmptyTag()
    {
        var line = new Line("PRIVMSG", "#channel", "hello") {Tags = new Dictionary<string, string> {{"a", ""}}}
            .Format();

        await Assert.That(line).IsEqualTo("@a PRIVMSG #channel hello");
    }

    [Test]
    public async Task Source()
    {
        var line = new Line("PRIVMSG", "#channel", "hello") {Source = "nick!user@host"}.Format();

        await Assert.That(line).IsEqualTo(":nick!user@host PRIVMSG #channel hello");
    }

    [Test]
    public async Task CommandLowercase()
    {
        var line = new Line {Command = "privmsg"}.Format();
        await Assert.That(line).IsEqualTo("privmsg");
    }

    [Test]
    public async Task CommandUppercase()
    {
        var line = new Line {Command = "PRIVMSG"}.Format();
        await Assert.That(line).IsEqualTo("PRIVMSG");
    }

    [Test]
    public async Task TrailingSpace()
    {
        var line = new Line("PRIVMSG", "#channel", "hello world").Format();

        await Assert.That(line).IsEqualTo("PRIVMSG #channel :hello world");
    }

    [Test]
    public async Task TrailingNoSpace()
    {
        var line = new Line("PRIVMSG", "#channel", "helloworld").Format();

        await Assert.That(line).IsEqualTo("PRIVMSG #channel helloworld");
    }

    [Test]
    public async Task TrailingDoubleColon()
    {
        var line = new Line("PRIVMSG", "#channel", ":helloworld").Format();

        await Assert.That(line).IsEqualTo("PRIVMSG #channel ::helloworld");
    }

    [Test]
    public async Task InvalidNonLastSpace()
    {
        await Assert.That(() => new Line("USER", "user", "0 *", "real name").Format()).Throws<ArgumentException>();
    }

    [Test]
    public async Task InvalidNonLastColon()
    {
        await Assert.That(() => new Line("PRIVMSG", ":#channel", "hello").Format()).Throws<ArgumentException>();
    }
}