/*
net.Receive( "Weapons", function ( len )
	Weapons = net.ReadTable();
	Entities = net.ReadTable();

	PrintTable(	Weapons	);
	PrintTable( Entities );

	if ( Weapons && type( Weapons ) == "table" && table.Count( Weapons ) > 0 && type( Entities ) == "table" ) then
		WeaponsCount = table.Count ( Weapons ) + table.Count( Entities );
	else
		WeaponsCount = 0;
	end
end );
*/
	
	local flat = Color(52, 152, 219)
	local flat_1 = Color(149, 165, 166)
	local flat_2 = Color(189, 195, 199)
	local flat_3 = Color(127, 140, 141)
	
	local Weapons = {};
	local Entities = {};
	
	for i = 1, 15 do
		Weapons[ i ] = "m9k_m98b";
	end
		
	for i = 1, 15 do
		Entities[ i ] = "grenade_helicopter";
	end
		
	if ( Weapons && type( Weapons ) == "table" && table.Count( Weapons ) > 0 && type( Entities ) == "table" ) then
		WeaponsCount = table.Count ( Weapons ) + table.Count( Entities );
	else
		WeaponsCount = 0;
	end		

	
local function ShowInventory()

	local ply = LocalPlayer();
	local inventorySize = 10;

    if ( ply:IsUserGroup("vipadmin") or ply:IsUserGroup("vipmod") or ply:IsUserGroup("trusted") or ply:IsUserGroup("donator") or ply:IsUserGroup("superadmin") or ply:IsUserGroup("trusted") ) then
        inventorySize = 30;
    end
	
	/* not going to be used for designing
		net.Start( "GetInventorySize" );
			net.WriteFloat( ply:EntIndex() );
		net.SendToServer();
	*/
		


		-- main Derma panel 
		local _invis = vgui.Create( "DPanel" )
		_invis:SetSize( ScrW() / 2, ScrH() / 2 )
		_invis.Paint = function()
		
			draw.RoundedBox( 0, 0, 0, _invis:GetWide(), _invis:GetTall(), Color( 0, 0, 0, 0) )
			
		end
		
		local _window = vgui.Create( "DFrame", _invis ); -- Creates the frame itself
		_window:SetSize( 361, 500 ); -- Size of the frame
		_window:Center(); -- Position on the players screen
		_window:SetTitle(  "" ); -- Title of the frame
		
		net.Receive( "GetInventorySize", function( len ) 		
			inventorySize = inventorySize + net.ReadFloat();
			_window:SetTitle( "Inventory - " ..  ( WeaponsCount or "Loading!" ) .. " of "..  ( inventorySize or "Loading!" ) .." weapons"  ); -- Title of the frame			
		end );	
		
		_window:SetVisible( true );
		_window:SetDraggable( false ); -- Draggable by mouse?
		_window:ShowCloseButton( false ); -- Show the close button
		_window.Paint = function()
			draw.RoundedBox( 0, 0, 0, _window:GetWide(), _window:GetTall(), color_white )
			draw.RoundedBox( 0, 0, 0, _window:GetWide(), 25, flat )
		end
		_window:MakePopup();
        local closeButton = vgui.Create('DButton', _window)
        closeButton:SetFont('marlett')
        closeButton:SetText('r')
        closeButton:SetColor(Color(255, 255, 255))
        closeButton:SetSize(15, 15)
        closeButton:SetDrawBackground(false)
        closeButton:SetPos(_window:GetWide() - 20, 5)
        closeButton.DoClick = function()
                _invis:Remove()
        end
		if ( WeaponsCount == 0 ) then
			-- User has no weapons
			local _itemlabel = vgui.Create( "DLabel", _window );
			_itemlabel:SetPos( 82, 50 );
			_itemlabel:SetColor( Color( 255, 255, 255, 255) );
			_itemlabel:SetFont( "ChatFont" );
			_itemlabel:SetText( "You don't have any weapons!" );
			_itemlabel:SizeToContents();
		else
			-- PropertySheet contains all the ItemPanels    
			local _sheet = vgui.Create( "DColumnSheet", _window ); 
			_sheet:SetPos( 5, 30 );
			_sheet:SetSize( 351, 465 );
			_sheet.Paint = function()
			
				draw.RoundedBox( 0, 0, 0, _sheet:GetWide(), _sheet:GetTall(), color_white )
				
			end

			local _dpl = vgui.Create( "DScrollPanel", _sheet );
			_dpl:SetSize( _window:GetWide( ) - 15, _window:GetTall( ) - 30 - 5 );
			_dpl:SetPos( 0, 0 );
			_dpl:GetVBar().Paint = function() draw.RoundedBox( 0, 5, 0, _dpl:GetVBar():GetWide(), _dpl:GetVBar():GetTall(), color_white ) end
			_dpl:GetVBar().btnUp.Paint = function() draw.RoundedBox( 0, 5, 0, _dpl:GetVBar():GetWide(), _dpl:GetVBar():GetTall() - 5, flat_3 ) end
			_dpl:GetVBar().btnDown.Paint = function() draw.RoundedBox( 0, 5, 0, _dpl:GetVBar():GetWide(), _dpl:GetVBar():GetTall() - 5, flat_3 ) end
			_dpl:GetVBar().btnGrip.Paint = function() draw.RoundedBox( 0, 5, 0, _dpl:GetVBar():GetWide(), _dpl:GetVBar():GetTall(), flat_1 ) end
	
			_dpl:SetVisible(true)

			local _dll = vgui.Create( "DListLayout", _dpl );
			_dll:SetSize( _dpl:GetWide( ), _dpl:GetTall( ) );
			_dll:SetPos( 0, 0 );

			local _x = ( ScrW( ) / 2 ) - _window:GetWide( ) / 2;
			local _y = ( ScrH( ) / 2 ) - _window:GetTall( ) / 2 + 30;
			local _w = 300;
			local _h = 500 - 30 - 5;

			for i,v in ipairs( Weapons ) do
				local _weapon = weapons.GetStored( v );
				if ( !_weapon ) then continue; end

				-- One ItemPanel for each weapon
				local _itemPanel = vgui.Create( "DPanel" )
				_itemPanel:SetSize( 290, 100 );
				_itemPanel.Paint = function()
					-- Alternating row colors, simple yet nice effect
					if ( i % 2 == 0 ) then 
						surface.SetDrawColor( flat_1 ); 
					else 
						surface.SetDrawColor( flat_2 ); 
					end 
					surface.DrawRect( 0, 0, 565, 90 ); 
				end

				-- The button that is for Use


				-- The icon of the weapon
				local _icon = vgui.Create( "DModelPanel", _itemPanel );
				_icon:SetModel( _weapon.WorldModel );
				_icon:SetSize( 90, 90 );
				_icon:SetPos( 15, 0 );
				_icon:SetCamPos( Vector( 20, 10, 20 ) );
				_icon:SetLookAt( Vector( 0, 0, 0 ) );

				local _iconOldPaint = _icon.Paint;
				_icon.Paint = function()
					render.SetScissorRect( _x, _y, _x + _w, _y + ( 500 - 30 - 5 ), true );
					_iconOldPaint( _icon );
					render.SetScissorRect( 0, 0, 0, 0, false );
				end

				-- The name of the weapon    
				local _itemlabel = vgui.Create( "DLabel", _itemPanel );
				_itemlabel:SetPos( 110, 5 );
				_itemlabel:SetColor( Color( 255, 255, 255, 255) );
				_itemlabel:SetFont( "ChatFont" );
				_itemlabel:SetText( _weapon.PrintName );
				_itemlabel:SizeToContents();

				local _itemdesc = vgui.Create( "DLabel", _itemPanel );
				_itemdesc:SetPos( 111, 31 );
				_itemdesc:SetColor( color_black );
				_itemdesc:SetFont( "Default" );
				_itemdesc:SetText( "Put anything you wish here." );
				_itemdesc:SizeToContents();
				
				local _itemdesc = vgui.Create( "DLabel", _itemPanel );
				_itemdesc:SetPos( 110, 30 );
				_itemdesc:SetColor( color_white );
				_itemdesc:SetFont( "Default" );
				_itemdesc:SetText( "Put anything you wish here." );
				_itemdesc:SizeToContents();
				

				
				_dll:Add( _itemPanel );
				
				local _useButton = vgui.Create( "DButton", _itemPanel );
				_useButton:SetText( ""  );
				_useButton:SetPos( 15, 0 );
				_useButton:SetColor( color_white )
				_useButton:SetSize( 90, 90 );
				
				_useButton.Paint = function()
				
					draw.RoundedBox( 0, 0, 0, _useButton:GetWide(), _useButton:GetTall(), Color( 0, 0, 0, 0 ) )
					
				end
				
				_useButton.DoClick = function ()

				net.Start("UseWeapon"); -- send to server to give the player the weapon
					net.WriteString( v ); -- send weapon entity name
					net.WriteFloat( i ); -- send weapon entity id
					net.WriteFloat( ply:EntIndex() ); -- send player
				net.SendToServer();
			
				
				_window:Remove();	
				
				end
				

				

			

				
			end
			

				
				colorover1 = vgui.Create( "DPanel", _invis )
				colorover1:SetPos( 360, 80 + 25 + 10 + 20 - 20 )
				colorover1:SetSize( 150, 400 )
				colorover1.Paint = function()
				
					draw.RoundedBox(10, 0, 0, 150, colorover1:GetTall() - 50, color_white)
					
				end

				colorover = vgui.Create( "DPanel", _invis )
				colorover:SetPos( 360, 110.5 )
				colorover:SetSize( 100, 25 )
				colorover.Paint = function()
				
					draw.RoundedBox(0, 0, 0, 100, colorover:GetTall(), flat)
					
				end
				
				--[[ tabs start here, it's pretty simple. Tabs are buttons, which when clicked set visible te 	]]
				local b = vgui.Create( "DButton", _invis )
				b:SetSize( 100, 20)
				b:SetPos( 360, 100 + 25 + 10 + 6 )
				b:SetColor( Color(231, 76, 60) )
				b:SetText( "Weapons" )
				b.Paint = function()
				
					draw.RoundedBox( 0, 0, 0, b:GetWide(), b:GetTall(), flat )
					
				end
				
				local b1 = vgui.Create( "DButton", _invis )
				b1:SetSize( 100, 20)
				b1:SetPos( 360, 100 + 25 + 10 + 20 + 10 + 6 )
				b1:SetColor( color_white )
				b1:SetText( "Entities" )
				b1.Paint = function()
				
					draw.RoundedBox( 0, 0, 0, b1:GetWide(), b1:GetTall(), flat )
					
				end

				local b2 = vgui.Create( "DButton", _invis )
				b2:SetSize( 100, 20)
				b2:SetPos( 360, 100 + 25 + 10 + 30 + 30 + 6)
				b2:SetColor( color_white )
				b2:SetText( "Snipers" )
				b2.Paint = function()
				
					draw.RoundedBox( 0, 0, 0, b2:GetWide(), b2:GetTall(), flat )
					
				end

				local b3 = vgui.Create( "DButton", _invis )
				b3:SetSize( 100, 20)
				b3:SetPos( 360, 100 + 25 + 10 + 30 + 30 + 30 + 6)
				b3:SetColor( color_white )
				b3:SetText( "Shotguns" )
				b3.Paint = function()
				
					draw.RoundedBox( 0, 0, 0, b3:GetWide(), b3:GetTall(), flat )
					
				end

--

				local b4 = vgui.Create( "DButton", _invis )
				b4:SetSize( 100, 20)
				b4:SetPos( 360, 100 + 25 + 10 + 120 + 6)
				b4:SetColor( color_white )
				b4:SetText( "Rifle" )
				b4.Paint = function()
				
					draw.RoundedBox( 0, 0, 0, b4:GetWide(), b4:GetTall(), flat )
					
				end

				
				textover = vgui.Create( "DLabel", _window )
				textover:SetText("Inventory - " ..  ( WeaponsCount or "Loading!" ) .. "/"..  ( inventorySize or "Loading!" ))
				textover:SetColor( color_white )
				textover:SetPos( _window:GetWide() /2 - 80, 4.5  )
				textover:SetSize( 700, 15 ) 

				local c = color_white
				local c1 = color_white
				local c2 = color_white
				local c3 = color_white
				local c4 = color_white
				
				b.OnMousePressed = function()
				
					_dpl:SetVisible(true)
					entity1:SetVisible( false )
					entity2:SetVisible(false)
					entity3:SetVisible(false)
					entity4:SetVisible(false)
					
				end
				
				b1.OnMousePressed = function()
				
					_dpl:SetVisible(false)
					entity1:SetVisible( true )
					entity2:SetVisible(false)
					entity3:SetVisible(false)
					entity4:SetVisible(false)					
				end

				b2.OnMousePressed = function()
				
					_dpl:SetVisible(false)
					entity1:SetVisible( false )
					entity2:SetVisible(true)
					entity3:SetVisible(false)
					entity4:SetVisible(false)				
				end

				b3.OnMousePressed = function()
				
					_dpl:SetVisible(false)
					entity1:SetVisible( false )
					entity2:SetVisible(false)
					entity3:SetVisible(true)
					entity4:SetVisible(false)				
					
				end

				b4.OnMousePressed = function()
				
					_dpl:SetVisible(false)
					entity1:SetVisible( false )
					entity2:SetVisible(false)
					entity3:SetVisible(false)
					entity4:SetVisible(true)			
					
				end				
				
		end
	end
	
	-- Called on holster
	
	local _nextHolster = CurTime();
	
	local function PutItemInInventory( _p, _key )
	
		if ( input.IsKeyDown( KEY_I ) && _nextHolster <= CurTime() ) then
			_nextHolster = CurTime() + 2;
			local _trdata = {};
			_trdata.start = _p:GetShootPos();
			_trdata.endpos = _p:GetShootPos() + ( _p:GetAimVector() * 80 );
			_trdata.filter = _p;
			local _tr = util.TraceLine( _trdata );
			
			if ( _tr.HitNonWorld && _tr.Entity:IsValid() ) then
				net.Start( "HolsterEntity" );
					net.WriteFloat( _tr.Entity:EntIndex() );
					net.WriteFloat( _p:EntIndex() );
				net.SendToServer();
				Msg( "\n\nAttempting to put " .. _tr.Entity:GetClass() .. " in your inventory.\n\n " );
			end
			
		end
	
	end
	
	hook.Add( "KeyPress", "PutItemInInventory", PutItemInInventory );
	
concommand.Add( "inv", ShowInventory );