using OneOf;

namespace InkBlot.ParseHierarchy;

[GenerateOneOf]
public partial class
    MultiDivert : OneOfBase<ThreadDivert, DivertsListWithReturnFromTunnel, DivertsListWithoutReturnFromTunnel>,
    IStoryNode
{
    public override bool Equals(object? obj)
    {
        if (obj is OneOfBase<ThreadDivert, DivertsListWithReturnFromTunnel, DivertsListWithoutReturnFromTunnel> divert)
            Console.WriteLine("it actually is fuck");

        var rv = base.Equals(obj);
        return rv;
    }
}

public record Identifier(string[] Elements /* TODO: expressions */)
{
    public virtual bool Equals(Identifier? other)
    {
        return other is not null && Elements.SequenceEqual(other.Elements);
    }

    public override string ToString()
    {
        return "Identifier(" + string.Join('.', Elements) + ")";
    }

    public override int GetHashCode()
    {
        return Elements.GetHashCode();
    }
}

// <- thread_name
public record ThreadDivert(Identifier Identifier) : IStoryNode
{
    public override string ToString()
    {
        return $"ThreadDivert({Identifier})";
    }
}

// -> ... ->->                      // return from tunnel
// or
// -> ... ->-> tunnelReplacement    // return from tunnel, but replace destination
public record DivertsListWithReturnFromTunnel(Identifier[] Identifiers, Identifier? TunnelReplacement)
    : IStoryNode;

// -> ... -> div             // not a tunnel
// or
// -> ... -> div ->          // is tunnel
public record DivertsListWithoutReturnFromTunnel(Identifier[] Identifiers, bool IsTunnel)
    : IStoryNode;