using System;
using System.Collections;
using Server.Engines.XmlSpawner2;
using Server.Mobiles;
using Server.Network;

/*
** QuestRewardGump
** ArteGordon
** updated 9/18/05
**
** Gives out rewards based on the XmlQuestReward reward list entries and the players Credits that are accumulated through quests with the XmlQuestPoints attachment.
** The Gump supports Item, Mobile, and Attachment type rewards.
*/

namespace Server.Gumps 
{ 
	public class QuestRewardGump : Gump
	{
		private readonly ArrayList Rewards;
		
		private int y_inc = 35;
		private int x_creditoffset = 350;
		private int x_pointsoffset = 480;
		private int maxItemsPerPage = 9;
		private readonly int viewpage;

		public QuestRewardGump( Mobile from, int page ) : base( 20, 30 )
		{ 
			
			from.CloseGump(typeof(QuestRewardGump));

            // determine the gump size based on the number of rewards
            Rewards = XmlQuestPointsRewards.RewardsList;
            
            viewpage = page;
            
            int height = maxItemsPerPage*y_inc + 120;
            int width = x_pointsoffset+110;

            /*
            if(Rewards != null && Rewards.Count > 0)
            {
                height = Rewards.Count*y_inc + 120;
            }
            */

			AddBackground( 0, 0, width, height, 0xDAC );

			AddHtml( 40, 20, 350, 50, "Rewards Available for Purchase with QuestPoints Credits", false, false );
			
			AddLabel( 400, 20, 0, String.Format("Available Credits: {0}", XmlQuestPoints.GetCredits(from) ));

			//AddButton( 30, height - 35, 0xFB7, 0xFB9, 0, GumpButtonType.Reply, 0 );
			//AddLabel( 70, height - 35, 0, "Close" );
 
            // put the page buttons in the lower right corner
			if(Rewards != null && Rewards.Count > 0)
			{
                AddLabel( width - 165, height - 35, 0, String.Format("Page: {0}/{1}", viewpage+1, (Rewards.Count/maxItemsPerPage)+1));

                // page up and down buttons
                AddButton( width - 55, height - 35, 0x15E0, 0x15E4, 13, GumpButtonType.Reply, 0 );
                AddButton( width - 35, height - 35, 0x15E2, 0x15E6, 12, GumpButtonType.Reply, 0 );
            }

			AddLabel( 70, 50, 40, "Reward" );
			AddLabel( x_creditoffset, 50, 40, "Credits" );
			AddLabel( x_pointsoffset, 50, 40, "Min Points" );
			
			// display the items with their selection buttons
			if(Rewards != null)
			{
                int y = 50;
    			for(int i = 0; i < Rewards.Count; i++)
    			{
    			    if((i/maxItemsPerPage) != viewpage) continue;

    			    XmlQuestPointsRewards r = Rewards[i] as XmlQuestPointsRewards;
                    if(r == null) continue;

                    y += y_inc;
                    
                    int texthue = 0;

                    // display the item
        			if(r.MinPoints > XmlQuestPoints.GetPoints(from))
        			{
                        texthue = 33;
        			} else
        			{
                        // add the selection button
        			    AddButton( 30, y, 0xFA5, 0xFA7, 1000+i, GumpButtonType.Reply, 0 );
        			}

        			// display the name
        			AddLabel( 70, y+3, texthue, r.Name);
        			
        			// display the cost
        			AddLabel( x_creditoffset, y+3, texthue, r.Cost.ToString() );
        			


        			// display the item
        			if(r.ItemID > 0)
                        AddItem(x_creditoffset+60, y, r.ItemID);
                        
                    // display the min points requirement
        			AddLabel( x_pointsoffset, y+3, texthue, r.MinPoints.ToString() );
    			}
			}
		}

		public override void OnResponse( NetState state, RelayInfo info )
		{
            if(info == null || state == null || state.Mobile == null || Rewards == null) return;

			Mobile from = state.Mobile;

			switch ( info.ButtonID ) 
			{
                case 12:
                    // page up
                    int nitems = 0;
                    if(Rewards != null)
                        nitems = Rewards.Count;

                    int page = viewpage+1;
                    if(page > (nitems/maxItemsPerPage))
                    {
                        page = (nitems/maxItemsPerPage);
                    }
                    state.Mobile.SendGump( new QuestRewardGump( state.Mobile, page));
                    break;
                case 13:
                    // page down
                    page = viewpage-1;
                    if(page < 0)
                    {
                        page = 0;
                    }
                    state.Mobile.SendGump( new QuestRewardGump( state.Mobile, page));
                    break;
				default:
				{
                    if(info.ButtonID >= 1000)
                    {
                        int selection = info.ButtonID - 1000;
                        if(selection < Rewards.Count)
                        {
                            XmlQuestPointsRewards r = Rewards[selection] as XmlQuestPointsRewards;
    
                            // check the price
                            if(XmlQuestPoints.HasCredits(from,r.Cost))
                            {
                                // create an instance of the reward type
                                object o = null;
                                
                                try{
                                    o = Activator.CreateInstance( r.RewardType , r.RewardArgs);
                                } catch {}

                                bool received = true;

                                if(o is Item)
                                {

                                    // and give them the item
                                    from.AddToBackpack((Item)o);

                                } else
                                if(o is Mobile)
                                {

                                    // if it is controllable then set the buyer as master.  Note this does not check for control slot limits.
                                    if(o is BaseCreature)
                                    {
                                        BaseCreature b = o as BaseCreature;
                                        b.Controlled = true;
                                        b.ControlMaster = from;
                                    }

                                    ((Mobile)o).MoveToWorld(from.Location, from.Map);

                                } else
                                if(o is XmlAttachment)
                                {
                                    XmlAttachment a = o as XmlAttachment;

                                    XmlAttach.AttachTo(from, a);

                                } else
                                {
                                    from.SendMessage(33, "unable to create {0}.", r.RewardType.Name);
                                    received = false;
                                }
                                
                                // complete the transaction
                                if(received)
                                {
                                    // charge them
                                    XmlQuestPoints.TakeCredits(from, r.Cost);
                                    from.SendMessage("You have purchased {0} for {1} credits.", r.Name, r.Cost);
                                }
                            } else
                            {
                                from.SendMessage("Insufficient Credits for {0}.", r.Name);
                            }
                            from.SendGump(new QuestRewardGump(from, viewpage));
                        }
                    }
				    break;
				}
			}
		} 
	} 
} 
