using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;
using OHM.UnityToolkit.Inventory;

public class CustomizableController<Def, Data> where Def : CustomizableDef where Data : CustomizableDataBase, new()
{
	public class CustomizationEvent : UnityEvent<Def>
	{
	}

	public delegate List<Def> GetDefListDelegate();

	public delegate CustomizablesDataBase<Data> GetSavedDataDelegate(SavedData savedData);

	public delegate string GetCurrentDelegate(SavedData savedData);

	public delegate void SetCurrentDelegate(SavedData savedData, string name);

	public delegate void ApplyDelegate(Def def);

	public delegate bool PayDelegate(TransactionUnit<SavedDataTUType> cost);

	public delegate bool IsPremiumDelegate();

	public delegate bool CanSetDefault();

	public Def ForcedValue;

	[HideInInspector]
	public UnityEvent onChanged = new UnityEvent();

	public CustomizationEvent onPurchased = new CustomizationEvent();

	private SavedDataController _savedDataController;

	protected GetDefListDelegate getDefListDelegate;

	private GetSavedDataDelegate _getSavedDataDelegate;

	private ApplyDelegate _applyDelegate;

	private PayDelegate _payDelegate;

	private IsPremiumDelegate isPremiumDelegate;

	public CustomizableController(SavedDataController _savedDataController, GetDefListDelegate getDefListDelegate, GetSavedDataDelegate _getSavedDataDelegate, ApplyDelegate _applyDelegate, PayDelegate _payDelegate, IsPremiumDelegate isPremiumDelegate)
	{
		this._savedDataController = _savedDataController;
		this.getDefListDelegate = getDefListDelegate;
		this._getSavedDataDelegate = _getSavedDataDelegate;
		this._applyDelegate = _applyDelegate;
		this._payDelegate = _payDelegate;
		this.isPremiumDelegate = isPremiumDelegate;
	}

	public List<Def> GetDefList()
	{
		return getDefListDelegate();
	}

	public Def GetCurrent()
	{
		if (ForcedValue != null)
		{
			return ForcedValue;
		}
		Def saved = GetSavedValue();
		if (saved == null)
		{
			SetDefault();
			return GetSavedValue();
		}
		return saved;
	}

	private Def GetSavedValue()
	{
		string currentId = _getSavedDataDelegate(_savedDataController.SavedData).currentId;
		return GetDefList().Find((Def def) => def.name == currentId);
	}

	public Data GetCurrentData()
	{
		return GetData(GetCurrent());
	}

	public Data GetData(Def skin)
	{
		CustomizablesDataBase<Data> saved = _getSavedDataDelegate(_savedDataController.SavedData);
		Data data = saved.customizablesList.Find((Data d) => d.id == skin.name);
		if (data == null)
		{
			data = new Data();
			data.id = skin.name;
			saved.customizablesList.Add(data);
			_savedDataController.SaveData();
		}
		return data;
	}

	public virtual void SetDefault()
	{
		Def first = GetDefList()[0];
		GetData(first).unlocked = true;
		SetCurrentValue(first);
	}

	public void ApplyCurrent()
	{
		_applyDelegate(GetCurrent());
	}

	public void SetCurrentValue(Def skin)
	{
		GetData(skin);
		_getSavedDataDelegate(_savedDataController.SavedData).currentId = skin.name;
		_applyDelegate(skin);
		_savedDataController.SaveData();
		onChanged.Invoke();
	}

	public virtual List<Def> GetUnlockedList()
	{
		return GetDefList().FindAll(IsUnlocked);
	}

	public bool CanPurchase(Def skin)
	{
		return false;
	}

	public bool Purchase(Def skin)
	{
		return false;
	}

	public void SetUnlocked(Def def)
	{
		GetData(def).unlocked = true;
		_savedDataController.SaveData();
	}

	public bool IsUnlocked(Def def)
	{
		return false;
	}

	public bool IsUnlocked(string id)
	{
		return false;
	}

	public bool IsNewSkin(Def def)
	{
		return false;
	}

	public bool IsNewSkin(string id)
	{
		return false;
	}
}