using System;
using System.Collections.Generic;
using Vintagestory.API.Server;

namespace AriasServerUtils
{
    public enum ModConfigType
    {
        Global,
        World
    }

    [Serializable]
    public class ASUModConfig
    {
        public int MaxHomes { get; set; } = 20;
        public bool AdminsBypassMaxHomes { get; set; } = true;
        public bool onlyAdminsCreateWarps { get; set; } = true;
        public int MaxBackCache { get; set; } = 10;


        public PlayerPosition Spawn { get; set; }
    }

    [Serializable]
    public class Warp
    {
        public PlayerPosition Location;
        public string CreatedBy;
        public DateTime CreatedAt;


        public static Warp Create(IServerPlayer player)
        {
            Warp warp = new Warp();
            warp.Location = PlayerPosition.from(player.Entity);
            warp.CreatedBy = player.PlayerName;
            warp.CreatedAt = DateTime.Now;

            return warp;
        }
    }

    [Serializable]
    public class Warps
    {
        public Dictionary<string, Warp> warps = new Dictionary<string, Warp>();
    }


    public class BackCaches
    {
        private const int MaxCacheSize = 10;
        private readonly Dictionary<string, LinkedList<PlayerPosition>> playerCache = new();

        public void AddPosition(string playerName, PlayerPosition position)
        {
            if (!playerCache.TryGetValue(playerName, out var positions))
            {
                positions = new LinkedList<PlayerPosition>();
                playerCache[playerName] = positions;
            }

            if (positions.Count >= MaxCacheSize)
            {
                positions.RemoveFirst(); // Remove the oldest position
            }

            positions.AddLast(position.Clone()); // Add the new position
        }

        public PlayerPosition ReadAndPopNewestPosition(string playerName)
        {
            if (playerCache.TryGetValue(playerName, out var positions) && positions.Count > 0)
            {
                var newestPosition = positions.Last.Value;
                positions.RemoveLast(); // Remove the newest position
                return newestPosition;
            }

            return null; // Return null if no positions are available
        }
    }
}