using System.Collections;
using System.Collections.Generic;
using System.Runtime.Serialization.Formatters.Binary;
using UnityEngine;
using System.IO;
using JetBrains.Annotations;
using System;
using System.Linq;
using System.Globalization;

public class LevelImport : MonoBehaviour
{
    public static event Action<string> OnLevelLoaded;
    string LName;
    public List<GameObject> Blocks;
    public GameObject[] BlockType;
    public List<string> BlockData;
    public Transform map;
    public GameObject[] HelpObjects;    
    [SerializeField] Transform MapP;
    [SerializeField] LevelCreatorHelper lch;
    string name;
    // Start is called before the first frame update

    void Start()
    {
        GameObject tobj = GameObject.Find("Tobj");
        if (tobj != null)
        {
            LName = tobj.GetComponent<TransferScript>().string1;
            print("Loaded Level:" + LName);
            
            Import(); 
    
            // Удаляем ТОЛЬКО ПОСЛЕ того, как Import полностью отработал
            Destroy(tobj); 
        }
    }
    public void SetName(string Name)
    {
        LName = Name;
    }

public void Import()
    {
        // 1. Пытаемся загрузить данные (сначала диск, потом ресурсы)
        try
        {
            string correctPath = Path.Combine(Application.persistentDataPath, $"{LName}.lpj");
            byte[] BA;
            if (File.Exists(correctPath)) {
                BA = File.ReadAllBytes(correctPath);
            }
            else if (File.Exists(correctPath + "l")) {
                BA = File.ReadAllBytes(correctPath + "l");
            }
            else {
                // Если на диске нет, грузим из Resources
                BA = Resources.Load<TextAsset>("Levels/" + LName).bytes;
            }
    
            BlockData = ConvertFromByteArray(BA);
        }
        catch (Exception e)
        {
            Debug.LogError("Ошибка загрузки данных: " + e.Message);
            return; // Если данных нет, дальше идти нельзя
        }
    
        // 2. ДАННЫЕ ПОЛУЧЕНЫ. Теперь извлекаем имя и оповещаем всех
        if (BlockData != null && BlockData.Count > 0)
        {
            name = BlockData[0];
            OnLevelLoaded?.Invoke(name); 
        }
    
        // 3. Дальше твой старый код спавна (циклы for и т.д.)
        print(BlockData.Count);
            foreach(string b in BlockData)
            {print(b);}
            name = BlockData[0];
            if (GameObject.Find("PlayerSpawn") == null)
            {
                for (int i = 1; i != BlockData.Count; i++)
                {
                    List<float> Data;
                    try
                    {
                    Data = StringToIntList(BlockData[i]);
                    }
                    catch
                    {
                        Data = BlockData[i].Split(", ")
                                .Select(s => float.Parse(s.Trim(), CultureInfo.InvariantCulture))
                                .ToList();
                    }
                    print(string.Join(", ", Data));
                    GameObject NB = Instantiate(BlockType[(int)Data[7]], new Vector3(Data[0], Data[1], Data[2]), new Quaternion(Data[3], Data[4], Data[5], Data[6]), map);
                    Blocks.Add(NB);
                    if (Data[7] > 2 || Data[7] ==0)
                    {
                        switch(Data[7])
                        {
                            case 0:
                            Move pd = GameObject.Find("player").GetComponent<Move>();
                            pd.NormalSpeed = Data[11];
                            pd.jumpforce = Data[12]; 
                            //pd.LVLMusic = mus[Data[13]];
                            Camx camx = Camera.main.GetComponent<Camx>();
                            pd.numlvl = LName;
                            print(LName + pd.numlvl);
                            switch (Data[14])
                            {
                                case 1:
                                camx.x = true;
                                break;
                                case 2:
                                camx.y = true;
                                break;
                                case 3:
                                camx.y = true;
                                camx.x = true;
                                break;
                            }
                            break;

                            case 3:
                                if (!string.IsNullOrEmpty(LName)) 
                                {
                                    string numberPart = LName.Replace("Level", ""); 
                                    if (int.TryParse(numberPart, out int levelIndex))
                                    {
                                        NB.GetComponent<NextLevel>().ThisLevel = levelIndex;
                                        NB.GetComponent<NextLevel>().IsMiniGame = false;
                                    }
                                }
                                break;
                            break;

                            case 5:
                            NB.GetComponent<IceBlock>().IceStrength = (int)Data[11];
                            break;
                            case 7:
                            BubbleBlock bd = NB.GetComponent<BubbleBlock>();
                            bd.TimeUp = Data[11];
                            bd.Speed = Data[12];
                            break;
                            case 10:
                            TPBlock td = NB.GetComponent<TPBlock>();
                            td.SecondTeleport = Instantiate(HelpObjects[0], new Vector3(Data[8], Data[9], Data[10]) - MapP.position, new Quaternion(0,0,0,0));
                            break;

                            case 11:
                            Items item = NB.GetComponent<Items>();
                            item.time = Data[11];
                            item.id = (int)Data[12];
                            break;

                            case 12:
                            NB.transform.localScale = new Vector3(3,3,3);
                            break;

                            case 13:
                            NB.transform.localScale = new Vector3(3,3,3);
                            break;

                            case 15:
                            EnityControl EC = NB.GetComponent<EnityControl>();
                            EC.MinDamage = (int)Data[8];
                            EC.MaxDamage =  (int)Data[9];
                            EC.Speed = (int)Data[10];
                            EC.Lives = (int)Data[11];
                            EC.Money = Instantiate(HelpObjects[(int)Data[12]+1]);
                            EC.PatrolDistance = Data[13];
                            break;

                        }
                    }
                    Data.Clear();
                }
            }
            else 
            {
                print(BlockData[0]);
                lch.LevelName = BlockData[0];
             for (int i = 2; i != BlockData.Count; i++)
                {   
                    List<float> Data;
                    try
                    {
                    Data = StringToIntList(BlockData[i]);
                    }
                    catch
                    {
                        Data = BlockData[i].Split(", ")
                                .Select(s => float.Parse(s.Trim(), CultureInfo.InvariantCulture))
                                .ToList();
                    }
                    print(string.Join(", ", Data));

                    GameObject NB = Instantiate(BlockType[(int)Data[7]], new Vector3(Data[0], Data[1], Data[2]) + map.position, new Quaternion(Data[3], Data[4], Data[5], Data[6]), map);
                    NB.transform.localScale = new Vector3 (1,1,1) /GameObject.Find("Canvas (1)").transform.localScale.x;
                    Rtool rt = NB.GetComponent<Rtool>();
                    rt.values = new List<float>{Data[11], Data[12], Data[13], Data[14]};
                    rt.pos1 = new Vector3(Data[8], Data[9], Data[10]);
                    Blocks.Add(NB);
                }   
            }
        }


    public static List<string> ConvertFromByteArray(byte[] byteArray)
    {
        if (byteArray == null || byteArray.Length == 0)
            return new List<string>();

        BinaryFormatter formatter = new BinaryFormatter();
        using (MemoryStream stream = new MemoryStream(byteArray))
        {
            return (List<string>)formatter.Deserialize(stream);
        }
    }
    public static List<float> StringToIntList(string data, string delimiter = ", ")
    {
        if (string.IsNullOrEmpty(data))
            return new List<float>();

        return data.Split(delimiter)
                  .Where(x => !string.IsNullOrEmpty(x))
                  .Select(float.Parse)
                  .ToList();
    }

    // Update is called once per frame
    void Update()
    {

    }
}