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

namespace Assets.Scripts
{
    public class Item
    {
        protected System.Random rand = new System.Random();
        protected string itemName;
        protected ItemRarity rarity;
        public Texture image;
        public Color32 rarityColor;

        public Item(int luck, bool isEquipment)
        {
            if(isEquipment){
                luck = luck + GameObject.Find("Inventory").GetComponent<Inventory>().getEquipmentBonus()["LCK"];
                calculateRarity(luck);
                setColor();
            }
            else{
                chooseItem();
                rarity = ItemRarity.COMMON;
                rarityColor = Color.white;
                loadImage();
            }
            
        }

        public Item(string name)
        {
            rarity = ItemRarity.COMMON;
            itemName = name;
            rarityColor = Color.white;
            loadImage();
        }

        public Item(JToken json)
        {
            rarity = (ItemRarity)Enum.Parse(typeof(ItemRarity), json["rarity"].ToString());
            itemName = json["itemName"].ToString();
            if(json["place"] != null){
                setColor();
            }
            else{
                rarityColor = Color.white;
            }
            loadImage();
        }

        private void calculateRarity(int luck)
        {
            int number = rand.Next(100);
            if (number + luck < 70)
            {
                rarity = ItemRarity.COMMON;
            }
            else if (number + luck >= 70 && number + luck < 95)
            {
                rarity = ItemRarity.RARE;
            }
            else if (number + luck >= 95 && number + luck < 120)
            {
                rarity = ItemRarity.EPIC;
            }
            else if (number + luck >= 120)
            {
                rarity = ItemRarity.LEGENDARY;
            }
        }

        private void setColor()
        {
            switch (rarity)
            {
                case ItemRarity.COMMON:
                    rarityColor = new Color32(0, 255, 20, 255);
                    break;
                case ItemRarity.RARE:
                    rarityColor = new Color32(0, 100, 255, 255);
                    break;
                case ItemRarity.EPIC:
                    rarityColor = new Color32(255, 0, 230, 255);
                    break;
                case ItemRarity.LEGENDARY:
                    rarityColor = new Color32(255, 230, 0, 255);
                    break;
            }
        }

        protected virtual void loadImage()
        {
            switch (itemName)
            {
                case "Slimeball":
                    image = Resources.Load<Texture>("Items/Inv_Slimeball");
                    break;
                case "Wood":
                    image = Resources.Load<Texture>("Items/Inv_Wood");
                    break;
                case "Rock":
                    image = Resources.Load<Texture>("Items/Inv_Stone");
                    break;
                case "Iron ore":
                    image = Resources.Load<Texture>("Items/Inv_Iron");
                    break;
                case "Gold ore":
                    image = Resources.Load<Texture>("Items/Inv_Gold");
                    break;
                case "Copper ore":
                    image = Resources.Load<Texture>("Items/Inv_Copper");
                    break;
                case "Tin ore":
                    image = Resources.Load<Texture>("Items/Inv_Tin");
                    break;
            }
        }

        public virtual string saveGame()
        {
            string result = "";
            result = result + FileHandler.generateJSON("rarity", "\"" + rarity + "\"") + ",\r\n";
            result = result + FileHandler.generateJSON("itemName", "\"" + itemName + "\"") + ",\r\n";
            return result;
        }

        public void setName(string name)
        {
            this.itemName = name;
        }

        public string getName()
        {
            return itemName;
        }

        public ItemRarity getRarity()
        {
            return rarity;
        }

        public virtual string getInformation()
        {
            string result = "";
            switch (itemName)
            {
                case "Slimeball":
                    result = "Soft and sticky... Does it have a use?";
                    break;
                case "Wood":
                    result = "Quite a nice piece of wood";
                    break;
                case "Rock":
                    result = "Is it... Dwayne?";
                    break;
                case "Iron ore":
                    result = "The most basic ore";
                    break;
                case "Gold ore":
                    result = "Wooooow... Shiny.";
                    break;
                case "Copper ore":
                    result = "Cool";
                    break;
                case "Tin ore":
                    result = "Got inspired by Minecraft, huh?";
                    break;
            }
            return result;
        }

        public virtual void move(InventorySlot startDrag, Inventory inventory, InventorySlot endDrag)
        {
            if (endDrag.place != ItemPlace.BAG)
            {
                return;
            }

            Item item = endDrag.getItem(endDrag.getCurrentBag());

            if (item != null)
            {
                startDrag.setItem(item, endDrag.getCurrentBag());
            }
            else
            {
                startDrag.removeItem();
            }

            endDrag.setItem(this, startDrag.getCurrentBag());
        }

        private void chooseItem()
        {
            int index = rand.Next(4);
            switch (index)
            {
                case 0:
                    itemName = "Slimeball";
                    break;
                case 1:
                    itemName = "Rock";
                    break;
                case 2:
                    itemName = "Iron ore";
                    break;
                case 3:
                    itemName = "Gold ore";
                    break;
            }
        }
    }

}