using System.Collections.Generic;
using System.IO;
using System.Linq;
using Newtonsoft.Json;
using Oxide.Core;
using Oxide.Core.Configuration;
using ProtoBuf;
using UnityEngine;

namespace Oxide.Plugins
{
    [Info("MTeleport", "M&B-Studios", "1.0.0")]
    class MTeleport : RustPlugin
    {
        string currentStatus;
        #region References
        DynamicConfigFile data;
        List<string> optionActive = new List<string>();

        private void RegisterPluginMessages()
        {
            var messages = new Dictionary<string, string>
            {
                { "AlreadyEnabled", "You already have teleport enabled!" },
                { "TeleportEnabled", "You have activated a map teleport using a marker. To disable it, type /mt" },
                { "AlreadyDisabled", "Teleport disabled!" },
                { "TeleportDisabled", "You disabled map teleport using a marker. To enable it, type /mt" }
            };

            lang.RegisterMessages(messages, this);
        }
        private const string WuschSoundEffect = "assets/bundled/prefabs/fx/hit_notify.prefab";

        void ActivateFunction(BasePlayer player)
        {
            if (optionActive.Contains(player.userID.ToString()))
            {
                SendReply(player, lang.GetMessage("AlreadyEnabled", this, player.UserIDString));
                return;
            }
            if (!optionActive.Contains(player.userID.ToString()))
                optionActive.Add(player.userID.ToString());
            string listAsString = string.Join(",", optionActive.ToArray());
            data["optionList"] = listAsString;
            data.Save();
            SendReply(player, lang.GetMessage("TeleportEnabled", this, player.UserIDString));
        }

        void DisactivateFunction(BasePlayer player)
        {
            if (!optionActive.Contains(player.userID.ToString()))
            {
                SendReply(player, lang.GetMessage("AlreadyDisabled", this, player.UserIDString));
                return;
            }
            if (optionActive.Contains(player.userID.ToString()))
            {
                optionActive.Remove(player.userID.ToString());
            }
            string listAsString = string.Join(",", optionActive.ToArray());
            data["optionList"] = listAsString;
            data.Save();
            SendReply(player, lang.GetMessage("TeleportDisabled", this, player.UserIDString));
        }
        #endregion
        #region Helpers
        float GetCorrectPos(Vector3 pos)
        {
            float y = TerrainMeta.HeightMap.GetHeight(pos);
            RaycastHit hit;
            if (
                Physics.Raycast(
                    new Vector3(pos.x, pos.y + 200f, pos.z),
                    Vector3.down,
                    out hit,
                    Mathf.Infinity,
                    LayerMask.GetMask(
                        new[] { "Terrain", "World", "Default", "Construction", "Deployed" }
                    )
                ) && !hit.collider.name.Contains("rock_cliff")
            )
            {
                return Mathf.Max(hit.point.y, y);
            }
            else
            {
                return y;
            }
        }

        void Init()
        {
            RegisterPluginMessages();
            permission.RegisterPermission("mteleport.use", this);
            data = Interface.Oxide.DataFileSystem.GetDatafile("MTeleport");
            string stringOptions = (string)data["optionList"];
            cmd.AddChatCommand("mt", this, "cmdChat");
            if (stringOptions == null || stringOptions == "")
                return;
            optionActive = new List<string>(stringOptions.Split(','));
            if (optionActive == null)
                optionActive = new List<string>();
        }
        #endregion
        #region Hooks
        void OnMapMarkerAdded(BasePlayer player, MapNote note)
        {
            if (
                optionActive == null
                || player == null
                || note == null
                || !optionActive.Contains(player.userID.ToString())
                || !player.IPlayer.HasPermission("mteleport.use")
            )
                return;
            Vector3 pos = note.worldPosition;
            pos.y = GetCorrectPos(pos);
            Effect.server.Run(WuschSoundEffect, player.transform.position);

            player.Teleport(pos);
        }

        void ToggleFunction(BasePlayer player)
        {
            if (optionActive.Contains(player.userID.ToString()))
            {
                DisactivateFunction(player);
            }
            else
            {
                ActivateFunction(player);
            }
        }
        #endregion
        #region Methods

        void cmdChat(BasePlayer player, string command, string[] args)
        {
            if (!player.IPlayer.HasPermission("mteleport.use"))
                return;

            if (args == null || args?.Length == 0)
            {
                ToggleFunction(player);
            }
            else
            {
                switch (args[0].ToLower())
                {
                    case "off":
                        DisactivateFunction(player);
                        break;
                    case "on":
                        ActivateFunction(player);
                        break;
                }
            }
        }
        #endregion
    }
}