using Server.Gumps;
using Server.Items;
using Server.Mobiles;
using Server.Network;

namespace Server.Engines.BulkOrders
{
  public class BODBuyGump : Gump
  {
    private BulkOrderBook m_Book;
    private PlayerMobile m_From;
    private IBOBEntry m_Entry;
    private int m_Page;
    private int m_Price;

    public BODBuyGump(PlayerMobile from, BulkOrderBook book, IBOBEntry entry, int page, int price) : base(100, 200)
    {
      m_From = from;
      m_Book = book;
      m_Entry = entry;
      m_Price = price;
      m_Page = page;

      AddPage(0);

      AddBackground(100, 10, 300, 150, 5054);

      AddHtmlLocalized(125, 20, 250, 24, 1019070); // You have agreed to purchase:
      AddHtmlLocalized(125, 45, 250, 24, 1045151); // a bulk order deed

      AddHtmlLocalized(125, 70, 250, 24, 1019071); // for the amount of:
      AddLabel(125, 95, 0, price.ToString());

      AddButton(250, 130, 4005, 4007, 1);
      AddHtmlLocalized(282, 130, 100, 24, 1011012); // CANCEL

      AddButton(120, 130, 4005, 4007, 2);
      AddHtmlLocalized(152, 130, 100, 24, 1011036); // OKAY
    }

    public override void OnResponse(NetState sender, RelayInfo info)
    {
      if (info.ButtonID != 2)
      {
        m_From.SendLocalizedMessage(503207); // Cancelled purchase.
        return;
      }

      if (!(m_Book.RootParent is PlayerVendor pv))
      {
        m_From.SendLocalizedMessage(1062382); // The deed selected is not available.
        return;
      }

      if (!m_Book.Entries.Contains(m_Entry))
      {
        pv.SayTo(m_From, 1062382); // The deed selected is not available.
        return;
      }

      int price = 0;

      if (pv.GetVendorItem(m_Book)?.IsForSale == false)
        price = m_Entry.Price;

      if (price != m_Price)
      {
        pv.SayTo(m_From,
          "The price has been been changed. If you like, you may offer to purchase the item again.");
        return;
      }

      if (price == 0)
      {
        pv.SayTo(m_From, 1062382); // The deed selected is not available.
        return;
      }

      Item item = m_Entry.Reconstruct();

      pv.Say(m_From.Name);

      Container pack = m_From.Backpack;

      if (pack?.CheckHold(m_From, item, true, true, 0,
            item.PileWeight + item.TotalWeight) != true)
      {
        pv.SayTo(m_From, 503204); // You do not have room in your backpack for this
        m_From.SendGump(new BOBGump(m_From, m_Book, m_Page));
        item.Delete();
      }
      else
      {
        if (pack.ConsumeTotal(typeof(Gold), price) || Banker.Withdraw(m_From, price))
        {
          m_Book.Entries.Remove(m_Entry);
          m_Book.InvalidateProperties();
          pv.HoldGold += price;
          m_From.AddToBackpack(item);
          m_From.SendLocalizedMessage(
            1045152); // The bulk order deed has been placed in your backpack.

          if (m_Book.Entries.Count / 5 < m_Book.ItemCount)
          {
            m_Book.ItemCount--;
            m_Book.InvalidateItems();
          }

          if (m_Book.Entries.Count > 0)
            m_From.SendGump(new BOBGump(m_From, m_Book, m_Page));
          else
            m_From.SendLocalizedMessage(1062381); // The book is empty.
        }
        else
        {
          pv.SayTo(m_From, 503205); // You cannot afford this item.
          item.Delete();
        }
      }
    }
  }
}