using System;
using System.Globalization;
using System.Text.RegularExpressions;
using System.Threading;

public struct Point : IEquatable<Point>
{
    public int X { get; }
    public int Y { get; }
    public Point(int x, int y) { X = x; Y = y; }
    
    public bool Equals(Point other) => X == other.X && Y == other.Y;
    public override bool Equals(object obj) => obj is Point other && Equals(other);
    public override int GetHashCode() => HashCode.Combine(X, Y);
    public override string ToString() => $"({X},{Y})";
}

public class Tile
{
    public int X { get; set; }
    public int Y { get; set; }
    public double Z { get; set; }
    public Point XY => new Point(X, Y);
    public Tile(int x, int y, double z = 0.0) { X = x; Y = y; Z = z; }
}

Tile _myAvatarActualTargetTile = null;
Regex mvRegex = new Regex(@"/mv (\d+),(\d+),([\d\.]+)/");

void InterceptUserUpdate(dynamic e)
{
    if(Self == null || Self.Location == null) return;

    var packet = e.Packet;
    int numUpdates = packet.ReadInt();
    for(int i = 0; i < numUpdates; i++)
    {
        int entityIndex = packet.ReadInt();
        packet.ReadInt();
        packet.ReadInt();
        packet.ReadString();
        packet.ReadInt();
        packet.ReadInt();
        string action = packet.ReadString();

        if (entityIndex == Self.Index)
        {
            Match match = mvRegex.Match(action);
            if (match.Success)
            {
                var newTargetTile = new Tile(
                    int.Parse(match.Groups[1].Value),
                    int.Parse(match.Groups[2].Value),
                    double.Parse(match.Groups[3].Value, CultureInfo.InvariantCulture)
                );

                if (_myAvatarActualTargetTile == null || !(_myAvatarActualTargetTile.XY.Equals(newTargetTile.XY)))
                {
                    Point fromPoint = new Point(Self.Location.X, Self.Location.Y);
                    Point toPoint = newTargetTile.XY;
                    Log($"Movement initiated: From {fromPoint} to {toPoint}");
                    _myAvatarActualTargetTile = newTargetTile;
                }
            }
            else if (action.EndsWith("//") && !action.Contains("/mv"))
            {
                _myAvatarActualTargetTile = null; 
            }
        }
    }
}

OnIntercept(In["UserUpdate"], e => InterceptUserUpdate(e));

while(Run)
{
    Delay(100);
}