using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Sirenix.OdinInspector;

namespace KairoEngine.Inventory
{
    public class ItemContainer : MonoBehaviour
    {
        public string title = "";

        [ShowInInspector]
        public List<ItemRef> inventory = new List<ItemRef>();

        public void Start()
        {
            if(title == "") title = gameObject.name + "\'s Items";
        }

        public List<ItemRef> ItemList 
        {
            get
            {
                return inventory;
            }
        }

        public bool HasItem(string title)
        {
            for (int i = 0; i < inventory.Count; i++)
            {
                if (inventory[i].item.title == title)
                {
                    return true;
                }
            }
            return false;
        }

        public bool HasItem(string title, int quantity)
        {
            for (int i = 0; i < inventory.Count; i++)
            {
                if (inventory[i].item.title == title && inventory[i].quantity >= quantity)
                {
                    return true;
                }
            }
            return false;
        }

        public void AddItem(string title, int quantity)
        {
            for (int i = 0; i < inventory.Count; i++)
            {
                if(title == inventory[i].item.title)
                {
                    if(inventory[i].item.stackble)
                    {
                        inventory[i].quantity += quantity;
                        ItemContainerEvents.Update(this);
                        return;
                    }
                }
            }
            ItemBase item = ItemLibrary.GetItemByName(title);
            ItemRef itemRef = new ItemRef(item, quantity);
            inventory.Add(itemRef);
            ItemContainerEvents.Update(this);
        }

        public void AddItem(ItemRef ItemRef)
        {
            for (int i = 0; i < inventory.Count; i++)
            {
                if(ItemRef.item.title == inventory[i].item.title)
                {
                    if(inventory[i].item.stackble)
                    {
                        inventory[i].quantity += ItemRef.quantity;
                        ItemContainerEvents.Update(this);
                        return;
                    }
                }
            }
            inventory.Add(ItemRef);
            ItemContainerEvents.Update(this);
        }

        public void RemoveItem(ItemRef itemRef)
        {
            if (itemRef == null) return;
            for (int i = 0; i < inventory.Count; i++)
            {
                if(inventory[i].item.title == itemRef.item.title)
                {
                    if(inventory[i].quantity <= itemRef.quantity)
                    {
                        inventory.RemoveAt(i);
                    }
                    else
                    {
                        inventory[i].quantity -= itemRef.quantity;
                    }
                    ItemContainerEvents.Update(this);
                    return;
                }
            }
        }

        public ItemRef GetItem(ItemBase item)
        {
            ItemRef itemRef = null;
            for (int i = 0; i < inventory.Count; i++)
            {
                if(inventory[i].item.title == item.title)
                {
                    itemRef = inventory[i];
                    return itemRef;
                }
            }
            return itemRef;
        }

        public void UpdateItem(ItemRef itemRef)
        {
            for (int i = 0; i < inventory.Count; i++)
            {
                if (inventory[i].item.title == itemRef.item.title)
                {
                    if(itemRef.quantity <= 0) inventory.Remove(inventory[i]);
                    else inventory[i] = itemRef;
                    ItemContainerEvents.Update(this);
                    return;
                }
            }
        }
    
        void Update()
        {
            for (int i = 0; i < inventory.Count; i++)
            {
                inventory[i].lastUsed += Time.deltaTime;
            }
        }
    }
}