using System;
using System.Collections.Generic;
using System.Linq;
using Newtonsoft.Json;
using UnityEngine;


public class BlobManager: Singleton<BlobManager>, ISavable
{

    public int CurrentID = 0;
    
    public List<BlobController> Blobs = new();

    public List<BlobController> AvailableBlobs => Blobs.Where(b => b.BelongingBuilding == null).ToList();

    public Action<int> onBlobCountChange;
    public void Spawn()
    {
        
        var BlobPrefab = Resources.Load<BlobController>("Blob");
        var go = Instantiate(BlobPrefab, Vector3.zero, Quaternion.identity);
        
        go.name = $"Blob_{CurrentID + 1}";
    }


    public int Register(BlobController blob)
    {
        if (Blobs.Contains(blob)) return -1;
        Blobs.Add(blob);
        CurrentID++;
        return CurrentID;
    }

    public void UnRegister(BlobController blob)
    {
        if (Blobs.Contains(blob))
        {
            Blobs.Remove(blob);
        }
    }

    public string GetPath()
    {
        return this.gameObject.GetPath();
    }

    public void LoadData(Dictionary<string, string> saveData)
    {
        var blobsString = saveData["blobs"];
        CurrentID = int.Parse(saveData["CurrentID"]);
        var savable = JsonConvert.DeserializeObject<List<Dictionary<string, string>>>(blobsString);
        var blobPrefab = Resources.Load<BlobController>("Blob");

        savable.ForEach(s =>
        {
            var go = Instantiate(blobPrefab);
            go.name = s["name"];
            go.blobID = int.Parse(s["blobID"]);
            go.transform.position = s["position"].FromSavable<Vector3>();
        });
    }

    public Dictionary<string, string> SaveData()
    {
        var savable = Blobs.Select(blob =>
        {
            return new Dictionary<string, string>
            {
                ["name"] = blob.name,
                ["blobID"] = blob.blobID.ToString(),
                ["position"] = blob.transform.position.ToSavable()
            };
        }).ToList();

        var blobsString = JsonConvert.SerializeObject(savable);

        return new Dictionary<string, string>
        {
            ["blobs"] = blobsString,
            ["CurrentID"] = CurrentID.ToString()
        };
    }
}