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

namespace UIWidgetsSamples.Shops
{
	public class JRPGShop : MonoBehaviour
	{
		private Trader Shop;

		[SerializeField]
		private TraderListView ShopItems;

		[SerializeField]
		private Button BuyButton;

		[SerializeField]
		private Text ShopTotal;

		private Trader Player;

		[SerializeField]
		private TraderListView PlayerItems;

		[SerializeField]
		private Button SellButton;

		[SerializeField]
		private Text PlayerMoney;

		[SerializeField]
		private Text PlayerTotal;

		private void Start()
		{
			Shop = new Trader();
			Player = new Trader();
			Init();
			BuyButton.onClick.AddListener(Buy);
			SellButton.onClick.AddListener(Sell);
			Shop.OnItemsChange += UpdateShopItems;
			Player.OnItemsChange += UpdatePlayerItems;
			Player.OnMoneyChange += UpdatePlayerMoneyInfo;
			UpdateShopItems();
			UpdatePlayerItems();
			UpdatePlayerMoneyInfo();
		}

		public void Init()
		{
			Shop.Money = -1;
			Shop.PriceFactor = 1f;
			Shop.Inventory.Clear();
			List<Item> list = new List<Item>();
			list.Add(new Item("Sword", 10));
			list.Add(new Item("Short Sword", 5));
			list.Add(new Item("Long Sword", 5));
			list.Add(new Item("Knife", -1));
			list.Add(new Item("Dagger", -1));
			list.Add(new Item("Hammer", -1));
			list.Add(new Item("Shield", -1));
			list.Add(new Item("Leather Armor", 3));
			list.Add(new Item("Ring", 2));
			list.Add(new Item("Bow", -1));
			list.Add(new Item("Crossbow", -1));
			list.Add(new Item("HP Potion", -1));
			list.Add(new Item("Mana Potion", -1));
			list.Add(new Item("HP UP", 10));
			list.Add(new Item("Mana UP", 10));
			List<Item> items = list;
			Shop.Inventory.AddRange(items);
			Player.Money = 2000;
			Player.PriceFactor = 0.5f;
			Player.Inventory.Clear();
			list = new List<Item>();
			list.Add(new Item("Stick", 1));
			list.Add(new Item("Sword", 1));
			list.Add(new Item("HP Potion", 5));
			list.Add(new Item("Mana Potion", 5));
			List<Item> items2 = list;
			Player.Inventory.AddRange(items2);
		}

		public void UpdateShopTotal()
		{
			JRPGOrder jRPGOrder = new JRPGOrder(ShopItems.DataSource);
			ShopTotal.text = jRPGOrder.Total().ToString();
		}

		public void UpdatePlayerTotal()
		{
			JRPGOrder jRPGOrder = new JRPGOrder(PlayerItems.DataSource);
			PlayerTotal.text = jRPGOrder.Total().ToString();
		}

		private ObservableList<JRPGOrderLine> CreateOrderLines(Trader trader)
		{
			return trader.Inventory.Convert((Item item) => new JRPGOrderLine(item, Prices.GetPrice(item, trader.PriceFactor)));
		}

		private void UpdateShopItems()
		{
			ShopItems.DataSource = CreateOrderLines(Shop);
		}

		private void UpdatePlayerItems()
		{
			PlayerItems.DataSource = CreateOrderLines(Player);
		}

		private void UpdatePlayerMoneyInfo()
		{
			PlayerMoney.text = Player.Money.ToString();
		}

		private void Buy()
		{
			JRPGOrder jRPGOrder = new JRPGOrder(ShopItems.DataSource);
			if (Player.CanBuy(jRPGOrder))
			{
				Shop.Sell(jRPGOrder);
				Player.Buy(jRPGOrder);
			}
			else
			{
				string message = string.Format("Not enough money to buy items. Available: {0}; Required: {1}", Player.Money, jRPGOrder.Total());
				Notify.Template("NotifyTemplateSimple").Show(message, 3f, null, null, null, null, NotifySequence.First, 0.3f, true);
			}
		}

		private void Sell()
		{
			JRPGOrder jRPGOrder = new JRPGOrder(PlayerItems.DataSource);
			if (Shop.CanBuy(jRPGOrder))
			{
				Shop.Buy(jRPGOrder);
				Player.Sell(jRPGOrder);
			}
			else
			{
				string message = string.Format("Not enough money in shop to sell items. Available: {0}; Required: {1}", Shop.Money, jRPGOrder.Total());
				Notify.Template("NotifyTemplateSimple").Show(message, 3f, null, null, null, null, NotifySequence.First, 0.3f, true);
			}
		}

		private void OnDestroy()
		{
			if (BuyButton != null)
			{
				BuyButton.onClick.RemoveListener(Buy);
			}
			if (SellButton != null)
			{
				SellButton.onClick.RemoveListener(Sell);
			}
			if (Shop != null)
			{
				Shop.OnItemsChange -= UpdateShopItems;
			}
			if (Player != null)
			{
				Player.OnItemsChange -= UpdatePlayerItems;
				Player.OnMoneyChange -= UpdatePlayerMoneyInfo;
			}
		}
	}
}