Firstborn/Assets/RPG Creation Kit/Scripts/Trade System/UI/BookItemInTradeUI.cs

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

namespace RPGCreationKit
{
    public class BookItemInTradeUI : BookItemInInventoryUI
    {
        public override void OnClick(bool takeAll = false)
        {
            if (TradeSystemUI.instance.isBuyingOrDrawing)
            {
                Debug.Log("Taking item: " + base.bookItemInInventory.item.ItemName);
                if (TradeSystemUI.instance.isMerchant)
                {
                    // if the amount is 1, add it one time
                    if (base.bookItemInInventory.Amount <= 1)
                    {
                        TradeSystemUI.instance.confirmTradePanel.gameObject.SetActive(true);
                        TradeSystemUI.instance.confirmTradePanel.Init(base.bookItemInInventory, this, "Are you sure you want to buy 1 " + base.bookItemInInventory.item.ItemName + " for " + base.bookItemInInventory.item.Value + " golds?");
                        TradeSystemUI.instance.confirmTradePanel.continueButton.onClick.AddListener(() => ConfirmTrade(1, ConfirmTradeAction.BuyFromMerchant));
                    }
                    else if (base.bookItemInInventory.item.isCumulable && base.bookItemInInventory.Amount > 1)
                    {
                        TradeSystemUI.instance.takeDepositItemsPanel.gameObject.SetActive(true);
                        TradeSystemUI.instance.takeDepositItemsPanel.Init(bookItemInInventory, this);
                    }
                }
                else
                {
                    // we're drawing from a friendly npc
                }
            }
            else // we're selling
            {
                // if the amount is 1, add it one time
                if (TradeSystemUI.instance.isMerchant)
                {
                    // if the amount is 1, add it one time
                    if (base.bookItemInInventory.Amount <= 1)
                    {
                        TradeSystemUI.instance.confirmTradePanel.gameObject.SetActive(true);
                        TradeSystemUI.instance.confirmTradePanel.Init(base.bookItemInInventory, this, "Are you sure you want to sell 1 " + base.bookItemInInventory.item.ItemName + " for " + base.bookItemInInventory.item.Value + " golds?");
                        TradeSystemUI.instance.confirmTradePanel.continueButton.onClick.AddListener(() => ConfirmTrade(1, ConfirmTradeAction.SellToMerchant));
                    }
                    else if (base.bookItemInInventory.item.isCumulable && base.bookItemInInventory.Amount > 1)
                    {
                        TradeSystemUI.instance.takeDepositItemsPanel.gameObject.SetActive(true);
                        TradeSystemUI.instance.takeDepositItemsPanel.Init(bookItemInInventory, this);
                    }
                }
            }
        }

        public override void ConfirmButtonCumulableItem(int amount)
        {
            if (TradeSystemUI.instance.isBuyingOrDrawing)
            {
                if (TradeSystemUI.instance.isMerchant)
                {
                    TradeSystemUI.instance.takeDepositItemsPanel.CancelButton();

                    TradeSystemUI.instance.confirmTradePanel.gameObject.SetActive(true);
                    TradeSystemUI.instance.confirmTradePanel.Init(base.bookItemInInventory, this, "Are you sure you want to buy " + amount + " " + base.bookItemInInventory.item.ItemName + " for " + (base.bookItemInInventory.item.Value * amount) + " golds?", true);
                    TradeSystemUI.instance.confirmTradePanel.continueButton.onClick.AddListener(() => ConfirmTrade(amount, ConfirmTradeAction.BuyFromMerchant));
                }
                else
                {
                    // friendly npc
                }

            }
            else // we're selling
            {
                if (TradeSystemUI.instance.isMerchant)
                {
                    TradeSystemUI.instance.takeDepositItemsPanel.CancelButton();

                    TradeSystemUI.instance.confirmTradePanel.gameObject.SetActive(true);
                    TradeSystemUI.instance.confirmTradePanel.Init(base.bookItemInInventory, this, "Are you sure you want to sell " + amount + " " + base.bookItemInInventory.item.ItemName + " for " + (base.bookItemInInventory.item.Value * amount) + " golds?", true);
                    TradeSystemUI.instance.confirmTradePanel.continueButton.onClick.AddListener(() => ConfirmTrade(amount, ConfirmTradeAction.SellToMerchant));
                }
                else
                {
                    //friendly npc
                }
            }
        }

        public override void ConfirmTrade(int _amount, ConfirmTradeAction _action)
        {
            int totalGoldsAmount = (base.bookItemInInventory.item.Value * _amount);

            if (_action == ConfirmTradeAction.BuyFromMerchant)
            {
                if (Inventory.PlayerInventory.GetItemCount("Gold001") >= totalGoldsAmount)
                {
                    Inventory.PlayerInventory.AddItem(base.bookItemInInventory.item, base.bookItemInInventory.metadata, _amount);

                    Inventory.PlayerInventory.RemoveItem("Gold001", totalGoldsAmount);
                    TradeSystemUI.instance.curMerchant.inventory.AddItem("Gold001", totalGoldsAmount);


                    // Remove the item from the merchant inventory
                    TradeSystemUI.instance.curMerchant.inventory.RemoveItem(base.bookItemInInventory, _amount);

                    TradeSystemUI.instance.PlaySound(GoldsSounds.Spend);
                    TradeSystemUI.instance.confirmTradePanel.CancelButton();
                    AlertMessage.instance.InitAlertMessage("Transaction Completed!", 3f);

                    TradeSystemUI.instance.UpdateStatsUI();

                    // if the merchant's item is out of stocks, remove the item

                    if (base.bookItemInInventory.Amount <= 0)
                    {
                        TradeSystemUI.instance.SelectNextButton();

                        // Disable this object
                        pool.usedObjects.Remove(this);
                        pool.BooksPool.usedObjects.Remove(this);

                        gameObject.GetComponent<Button>().onClick.RemoveAllListeners();
                        gameObject.SetActive(false);
                    }
                    else
                    {
                        Init();
                    }
                }
                else
                {
                    TradeSystemUI.instance.confirmTradePanel.CancelButton();
                    AlertMessage.instance.InitAlertMessage("You don't have enough gold.", 3f);
                }
            }
            else if (_action == ConfirmTradeAction.SellToMerchant)
            {
                if (TradeSystemUI.instance.curMerchant.inventory.GetItemCount("Gold001") >= totalGoldsAmount)
                {
                    TradeSystemUI.instance.curMerchant.inventory.AddItem(base.bookItemInInventory.item, base.bookItemInInventory.metadata, _amount);
                    Inventory.PlayerInventory.RemoveItem(base.bookItemInInventory, _amount);

                    TradeSystemUI.instance.curMerchant.inventory.RemoveItem("Gold001", totalGoldsAmount);
                    Inventory.PlayerInventory.AddItem("Gold001", totalGoldsAmount);

                    TradeSystemUI.instance.PlaySound(GoldsSounds.Gain);
                    TradeSystemUI.instance.confirmTradePanel.CancelButton();
                    AlertMessage.instance.InitAlertMessage("Transaction Completed!", 3f);

                    TradeSystemUI.instance.UpdateStatsUI();

                    // if the merchant's item is out of stocks, remove the item

                    if (base.bookItemInInventory.Amount <= 0)
                    {
                        TradeSystemUI.instance.SelectNextButton();

                        // Disable this object
                        pool.usedObjects.Remove(this);
                        pool.BooksPool.usedObjects.Remove(this);

                        gameObject.GetComponent<Button>().onClick.RemoveAllListeners();
                        gameObject.SetActive(false);
                    }
                    else
                    {
                        Init();
                    }
                }
                else
                {
                    TradeSystemUI.instance.confirmTradePanel.CancelButton();
                    AlertMessage.instance.InitAlertMessage("The merchant doesn't have enough gold.", 3f);
                }
            }
        }
    }
}