using Assets.Scripts.Player;
using Newtonsoft.Json.Linq;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

namespace Assets.Scripts
{
    public class InventorySlot : MonoBehaviour
    {
        TooltipHandler tooltip;
        Item[] items = new Item[3];
        int currentBag = 0;
        public ItemPlace place;
        Equipment equip;
        Inventory inventory;

        private void Start()
        {
            tooltip = GameObject.Find("TooltipHandler").GetComponent<TooltipHandler>();
            inventory = GameObject.Find("Inventory").GetComponent<Inventory>();
            loadImages();
        }

        public void updateCurrentBag(int currentBag)
        {
            this.currentBag = currentBag;
        }

        public int getCurrentBag()
        {
            return currentBag;
        }

        public void setItem(Item item, int bag)
        {
            items[bag] = item;
        }

        public Item getItem(int bag)
        {
            return items[bag];
        }

        public void removeItem()
        {
            items[currentBag] = null;
        }

        public void removeItem(int bag)
        {
            items[bag] = null;
        }

        public void showTooltip()
        {
            Item item = getItemForTooltip();
            if (item != null)
            {
                inventory.itemDisplay.transform.Find("itemImage").GetComponent<RawImage>().texture = item.image;
                inventory.itemDisplay.transform.Find("itemImage").GetComponent<RawImage>().color = item.rarityColor;
                inventory.itemDisplay.transform.Find("itemName").GetComponent<Text>().text = TextHandler.translate(item.getName());
                inventory.itemDisplay.transform.Find("itemStats").GetComponent<Text>().text = item.getInformation();
                inventory.itemDisplay.transform.localScale = new Vector3(1, 1, 1);
            }
        }

        public void showTooltipSelect(){
            GameObject current = EventSystem.current.currentSelectedGameObject;
            Item item = current.GetComponent<InventorySlot>().getItemForTooltip();
            if (item != null)
            {
                inventory.itemDisplay.transform.Find("itemImage").GetComponent<RawImage>().texture = item.image;
                inventory.itemDisplay.transform.Find("itemImage").GetComponent<RawImage>().color = item.rarityColor;
                inventory.itemDisplay.transform.Find("itemName").GetComponent<Text>().text = TextHandler.translate(item.getName());
                inventory.itemDisplay.transform.Find("itemStats").GetComponent<Text>().text = item.getInformation();
                inventory.itemDisplay.transform.localScale = new Vector3(1, 1, 1);
            }
        }

        public Item getItemForTooltip()
        {
            Item item = null;
            if (place == ItemPlace.BAG)
            {
                item = items[currentBag];
            }
            else
            {
                item = equip;
            }
            return item;
        }

        public void hideTooltip()
        {
            inventory.itemDisplay.transform.localScale = new Vector3(0,0,0);
        }

        

        public Equipment getEquip()
        {
            return equip;
        }

        public void setEquip(Equipment item)
        {
            equip = item;
        }

        public void removeEquip()
        {
            equip = null;
        }

        private void loadImages()
        {
            Texture image = null;
            switch (place)
            {
                case ItemPlace.LEFTHAND:
                    image = Resources.Load<Texture>("Equipment/" + GameObject.Find("Player").GetComponent<PlayerGameObject>().getClass().classname + "/Inv_LeftHand");
                    break;
                case ItemPlace.RIGHTHAND:
                    image = Resources.Load<Texture>("Equipment/" + GameObject.Find("Player").GetComponent<PlayerGameObject>().getClass().classname + "/Inv_RightHand");
                    break;
                case ItemPlace.HELMET:
                    image = Resources.Load<Texture>("Equipment/Inv_Helmet");
                    break;
                case ItemPlace.BOOTS:
                    image = Resources.Load<Texture>("Equipment/Inv_Boots");
                    break;
                case ItemPlace.AMULET:
                    image = Resources.Load<Texture>("Equipment/Inv_Amulet");
                    break;
                case ItemPlace.RING:
                    image = Resources.Load<Texture>("Equipment/Inv_Ring");
                    break;
                case ItemPlace.ARMOR:
                    image = Resources.Load<Texture>("Equipment/Inv_Chest");
                    break;
            }
            if (image != null)
            {
                gameObject.transform.Find("slotItem").GetComponent<RawImage>().texture = image;
            }
        }

        public string saveGame()
        {
            string result = "";
            if (place == ItemPlace.BAG)
            {
                for (int i = 1; i <= items.Length;i++)
                {
                    if (items[i-1] == null)
                    {
                        result = result + "\"bag" + i + "\": \"empty\"";
                    }
                    else
                    {
                        result = result + "\"bag" + i + "\": {\r\n";
                        result = result + items[i-1].saveGame();
                        result = result + "\r\n}";
                    }
                    if (i != 3)
                    {
                        result = result + ",\r\n";
                    }
                }
                
            }
            else
            {
                if(equip == null){
                    return result;
                }
                result = result + equip.saveGame();
            }
            return result;
        }

        public void loadSlot(JToken json, int bag)
        {
            if (bag == -1)
            {
                equip = new Equipment(json);
            }
            else
            {
                if(json["place"] != null){
                    items[bag] = new Equipment(json);
                }
                else{
                    items[bag] = new Item(json);
                }
                
            }
            
        }

        public void showSlotOptions(){
            GameObject current = EventSystem.current.currentSelectedGameObject;
            GameObject.Find("Inventory").GetComponent<Inventory>().currentSlot = current;
            GameObject.Find("btnEquip").transform.Find("Text").GetComponent<Text>().text = TextHandler.getText("equip");
            GameObject.Find("btnEquip").GetComponent<Button>().interactable = true;
            if(equip != null || items[currentBag] != null){
                if(equip != null){
                    GameObject.Find("btnEquip").transform.Find("Text").GetComponent<Text>().text = TextHandler.getText("unequip");
                    EventSystem.current.SetSelectedGameObject(GameObject.Find("btnEquip"));
                }
                if(items[currentBag] != null){
                    if(items[currentBag] is Equipment){
                        EventSystem.current.SetSelectedGameObject(GameObject.Find("btnEquip"));
                    }
                    else{
                        GameObject.Find("btnEquip").GetComponent<Button>().interactable = false;
                        EventSystem.current.SetSelectedGameObject(GameObject.Find("btnTrash"));
                    }
                }
                GameObject.Find("pnlInventoryActions").transform.position = new Vector3(current.transform.position.x + 125, current.transform.position.y, 0);
                GameObject.Find("pnlInventoryActions").transform.localScale = new Vector3(1,1,1);
            }
        }
    }
}