using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.UI;

public class FreePanel : MonoBehaviour
{
    public static FreePanel ins;
    [SerializeField] private List<CraftingUI> _craftingUis;
    [SerializeField] private List<DrawingSlot> _slotUis;
    [SerializeField] private int itemID;
    [SerializeField] private CraftingUI cItem;
    [SerializeField] private ItemDrawingButton itemObj;
    [SerializeField] private Transform itemParent;
    [SerializeField] private List<ItemDrawingButton> _itemButtons;
    [SerializeField] private RectTransform seleTransform;
    [SerializeField] private Button craft;
    [SerializeField] private Button _switchIButton;
    [SerializeField] private Button _switchWButton;
    public int[] itemsSlot=new int[4];
    private int id = 0;
    private int index = -1;
    public void SaveSeledID(int sendID)
    {
        id = sendID;
        index = -1;
        seleTransform.GetComponent<SeletItemUI>().SaveSprite(id);
    }
    private void Awake()
    {
        ins = this;
    }

    private void OnEnable()
    {
        craft.onClick.AddListener(CraftingEvent);
        _switchIButton.onClick.AddListener(ResetItemData);
        _switchWButton.onClick.AddListener(ResetItem);
    }

    private void OnDisable()
    {
        craft.onClick.RemoveListener(CraftingEvent);
        _switchIButton.onClick.RemoveListener(ResetItemData);
        _switchWButton.onClick.RemoveListener(ResetItem);
    }

    public void OpenFreePanel(int id)
    {
        itemID = id;
        ResetSlot();
        cItem.SaveIcon(id);
        ResetCrafting(id);
        if (!_switchIButton.gameObject.activeSelf)
        {
            ResetItemData();
        }
        else
        {
            ResetItem();
        }
        ResetSlotItem();
    }
    public void ResetSlot()
    {
        for (int i = 0; i < itemsSlot.Length; i++)
        {
            itemsSlot[i] = 0;
        }
    }
    public void SaveIndexID(int index, int id)
    {
        itemsSlot[index] = id;
    }
    public int slotNum(int id)
    {
        int num = 0;
        foreach (var itemid in itemsSlot)
        {
            if (id==itemid)
            {
                num++;
            }
        }

        return num;
    }
    public void ResetSlotItem()
    {
        foreach (var slot in _slotUis)
        {
            slot.ResetIcon(this);
        }
    }
    public void ResetCrafting(int id)
    {
        var slotData = JsonTab.Instance.tables.CraftingRecipes.Get(id);
        if (slotData.Levelprops1!=0)
        {
            _craftingUis[0].gameObject.SetActive(true);
            _craftingUis[0].SaveIcon(slotData.Levelprops1);
        }
        else
        {
            _craftingUis[0].gameObject.SetActive(false);
        }
        if (slotData.Levelprops2!=0)
        {
            _craftingUis[1].gameObject.SetActive(true);
            _craftingUis[1].SaveIcon(slotData.Levelprops2);
        }
        else
        {
            _craftingUis[1].gameObject.SetActive(false);
        }
        if (slotData.Levelprops3!=0)
        {
            _craftingUis[2].gameObject.SetActive(true);
            _craftingUis[2].SaveIcon(slotData.Levelprops3);
        }
        else
        {
            _craftingUis[2].gameObject.SetActive(false);
        }
        if (slotData.Levelprops4!=0)
        {
            _craftingUis[3].gameObject.SetActive(true);
            _craftingUis[3].SaveIcon(slotData.Levelprops4);
        }
        else
        {
            _craftingUis[3].gameObject.SetActive(false);
        }
    }
    public void CraftItem(bool bo, Action action = null)
    {
        if (bo)
        {
            List<ItemDataNum> itemDatas = new List<ItemDataNum>();
            foreach (var item in itemsSlot)
            {
                if (item!=0)
                {
                    var data=itemDatas.FirstOrDefault(d => d.id == item);
                    if (data==null)
                    {
                        ItemDataNum newData = new ItemDataNum(item, 1);
                        itemDatas.Add(newData);
                    }
                    else
                    {
                        data.num++;
                    }
                }
            }
            DataManager.RemoveItem(itemDatas, (bo) =>
            {
                DataManager.AddItem(itemID,1);
                action?.Invoke();
            });
        }
        else
        {
            action?.Invoke();
            ResetSlot();
        }
    }
    private void CraftingEvent()
    {
        CraftItem(DrawOpen());
        if (!_switchIButton.gameObject.activeSelf)
        {
            ResetItemData();
        }
        else
        {
            ResetItem();
        }
        ResetSlotItem();
    }
    public bool DrawOpen()
    {
        Dictionary<int, ItemDataNum> items = new Dictionary<int, ItemDataNum>();
        for (int i = 0; i < itemsSlot.Length; i++)
        {
            if (itemsSlot[i]!=0)
            {
                if (items.ContainsKey(itemsSlot[i]))
                {
                    items[itemsSlot[i]].num++;
                }
                else
                {
                    var itemNum = new ItemDataNum(itemsSlot[i], 1);
                    items.Add(itemsSlot[i],itemNum);
                }
            }
        }

        var srafData = JsonTab.Instance.tables.CraftingRecipes.Get(itemID);
        Dictionary<int, ItemDataNum> craftings = new Dictionary<int, ItemDataNum>();
        AddDrawingData(srafData.Levelprops1,ref craftings);
        AddDrawingData(srafData.Levelprops2,ref craftings);
        AddDrawingData(srafData.Levelprops3,ref craftings);
        AddDrawingData(srafData.Levelprops4,ref craftings);
        var data=JsonTab.Instance.tables.CraftingRecipes.Get(itemID);
        
        if (craftings.Count!=items.Count)
        {
            return false;
        }
        else
        {
            foreach (var cData in craftings)
            {
                if (!items.ContainsKey(cData.Key))
                {
                    return false;
                }

                if (items[cData.Key].num!=cData.Value.num)
                {
                    return false;
                }
            }
        }
        

        return true;
    }
    private static void AddDrawingData(int id,ref Dictionary<int, ItemDataNum> craftings)
    {
        if (id==0)
        {
            return;
        }
        if (craftings.ContainsKey(id))
        {
            craftings[id].num++;
        }
        else
        {
            var item =new ItemDataNum(id,1);
            craftings.Add(id,item);
        }
    }
    public void ResetItemData()
    {
        foreach (var item in _itemButtons)
        {
            item.gameObject.SetActive(false);
        }

        var allData=JsonTab.Instance.tables.Item.DataList;
        int index = 0;
        for (int i = 0; i < allData.Count; i++)
        {
            if (DataManager.GetItem(allData[i].ID)>0&&allData[i].Proptype!=0&&allData[i].Proptype==1)
            {
                if (index>=_itemButtons.Count )
                {
                    var add = Instantiate(itemObj.gameObject,itemParent);
                    _itemButtons.Add(add.GetComponent<ItemDrawingButton>());
                }
                _itemButtons[index].gameObject.SetActive(true);
                _itemButtons[index].SetItemData(allData[i].ID,this);
                index++;
            }
        }
        _switchIButton.gameObject.SetActive(false);
        _switchWButton.gameObject.SetActive(true);
    }
    private void ResetItem()
    {
        foreach (var item in _itemButtons)
        {
            item.gameObject.SetActive(false);
        }
        var allData=JsonTab.Instance.tables.Item.DataList;
        int index = 0;
        for (int i = 0; i < allData.Count; i++)
        {
            if (DataManager.GetItem(allData[i].ID)>0&&allData[i].Proptype>1)
            {
                if (index>=_itemButtons.Count )
                {
                    var add = Instantiate(itemObj.gameObject,itemParent);
                    _itemButtons.Add(add.GetComponent<ItemDrawingButton>());
                }
                _itemButtons[index].gameObject.SetActive(true);
                _itemButtons[index].SetItemData(allData[i].ID,this);
                index++;
            }
        }
        _switchIButton.gameObject.SetActive(true);
        _switchWButton.gameObject.SetActive(false);
    }
    public void SaveIndex(int slotIndex)
    {
        index = slotIndex;
    }
    public void Update()
    {
        if (Input.GetMouseButtonUp(0))
        {
            if (id != 0)
            {
                Debug.Log(index);
                if (index != -1)
                {
                    SaveIndexID(index, id);
                    ResetSlotItem();
                }
                id = 0;
                seleTransform.position = new Vector3(-3000, 0, 0);
                index = -1;
            }
        }
        if (Input.GetMouseButton(0))
        {
            if (id != 0)
            {
                Vector2 mouse = Input.mousePosition;
                seleTransform.position = mouse;
            }
        }
    }
}