using System.Collections.Generic;
using Data.ScriptableObjects;
using Data.ScriptableObjects.World;
using FishNet.Object;
using Types.Items;
using Types.UI;
using UnityEngine;

// InventoryManager.cs
namespace Managers.Item
{
    public class BoxManager : NetworkBehaviour, IItemManager<GameSlot>
    {
        public delegate void ActiveBoxChangedHandler(BoxInteractable boxInteractable);

        public static BoxManager Instance;

        public readonly Dictionary<int, BoxInteractable> Boxes = new();
        public BoxInteractable ActiveBoxInteractable { get; set; }

        private void Awake()
        {
            if (Instance == null)
                Instance = this;
            else
                Destroy(gameObject);
        }

        private void Start()
        {
            Debug.Log("InventoryManager Start");
            Initialize();
        }

        public void RemoveSlot(int slotId)
        {
            ActiveBoxInteractable.Slots.Remove(slotId);
        }

        public GameItem GetItemFromSlot(int slotId)
        {
            return ActiveBoxInteractable.Slots.TryGetValue(slotId, out var slot) ? slot.Item : null;
        }

        public void RemoveItemFromSlot(int slotId)
        {
            if (ActiveBoxInteractable.Slots.TryGetValue(slotId, out var slot))
                slot.Item = null;
            else
                Debug.LogWarning("Slot not found: " + slotId);
        }

        public void AddItemToOpenSlot(GameItem item)
        {
            /*foreach (var slot in ActiveBoxInteractable.Slots.Values)
            if (slot.IsEmpty())
            {
                slot.item = item.GameItem;
                Debug.Log("Added item to slot: " + slot.position + " / " + item.GameItem.itemName + " / " +
                          item.GameItem.quantity);
                return;
            }

        Debug.LogWarning("No empty slots available to add item: " + item.GameItem.itemName);*/
        }

        public void AddItemToSlot(GameItem item, int slotId)
        {
            /*if (ActiveBoxInteractable.Slots.TryGetValue(slotId, out var slot))
            slot.item = item.GameItem;
        else
            Debug.LogWarning("Slot not found: " + slotId);*/
        }

        public GameSlot GetSlot(int slotId)
        {
            return ActiveBoxInteractable.Slots.GetValueOrDefault(slotId, null);
        }

        public void AddSlot(GameSlot gameSlot)
        {
            ActiveBoxInteractable.AddSlot(gameSlot);
        }

        public void SwapItems(int slotId1, int slotId2)
        {
            if (ActiveBoxInteractable.Slots.TryGetValue(slotId1, out var slot1) &&
                ActiveBoxInteractable.Slots.TryGetValue(slotId2, out var slot2))
                (slot1.Item, slot2.Item) = (slot2.Item, slot1.Item);
        }

        // public void AddItemToOpenSlot(SyncGameItem syncGameItem)
        // {
        //     var item = syncGameItem.GameItem;
        //     foreach (var slot in ActiveBoxInteractable.Slots.Values)
        //         if (slot.IsEmpty())
        //         {
        //             slot.item = item;
        //             Debug.Log("Added item to slot: " + slot.position + " / " + item.itemName + " / " + item.quantity);
        //             return;
        //         }
        //
        //     Debug.LogWarning("No empty slots available to add item: " + item.itemName);
        // }

        /*public void AddItemToSlot(GameItem item, int slotId)
    {
        if (ActiveBoxInteractable.Slots.TryGetValue(slotId, out var slot))
            slot.item = item;
        else
            Debug.LogWarning("Slot not found: " + slotId);
    }*/

        public event ActiveBoxChangedHandler OnActiveBoxChanged;

        public void RemoveItemFromSlot(GameItem item)
        {
            foreach (var slot in ActiveBoxInteractable.Slots.Values)
                if (slot.Item == item)
                {
                    slot.Item = null;
                    Debug.Log("Removed item from slot: " + item.ItemName);
                    return;
                }

            Debug.LogWarning("Item not found in any slot: " + item.ItemName);
        }

        public void RemoveItemInSlot(int slotId)
        {
            if (ActiveBoxInteractable.Slots.TryGetValue(slotId, out var slot))
                slot.Item = null;
            else
                Debug.LogWarning("Slot not found: " + slotId);
        }

        public void Initialize()
        {
            var testBoxCount = 5;

            for (var i = 0; i < testBoxCount; i++)
            {
                var box = ScriptableObject.CreateInstance<BoxInteractable>();
                box.id = i;
                Boxes[i] = box;

                // box created
                Debug.Log("Created box: " + i);

                // add 30 slots to each box
                for (var j = 0; j < 30; j++)
                {
                    // var slot = ScriptableObject.CreateInstance<SlotSo>();
                    // need to redo this to use slot prefab and then add slot data to prefab?
                    var slot = new GameSlot();
                    Debug.LogWarning("Added slots to box: " + j + " / 30 slots added");
                    slot.Position = j;
                    slot.SlotType = SlotType.Box;
                    slot.Item = null;
                    box.AddSlot(slot);
                }


                // SetActiveBox(i);
                // add random inventory to box
                for (var j = 0; j < 10; j++)
                {
                    var item = ItemDatabase.Instance.AllItems[
                        Random.Range(0, ItemDatabase.Instance.AllItems.Count - 1)];

                    box.AddItemToOpenSlot(item);
                }
            }

            Debug.Log("Completed Initialized items in BoxManager");
        }

        public void CreateBox(BoxInteractable boxInteractable)
        {
            Boxes[boxInteractable.id] = boxInteractable;
        }

        public void SetActiveBox(int boxId)
        {
            Debug.Log("Active box set to: " + boxId);
            ActiveBoxInteractable = Boxes.GetValueOrDefault(boxId);

            // Trigger the event
            OnActiveBoxChanged?.Invoke(ActiveBoxInteractable);
        }
    }
}