local pray = {}

local explain
pray.activeprayers = {}
function pray:DrawOnDPanel(panel)
	print("Attempted to draw prayer panel")
	--Active grid
	local agrid = vgui.Create("DGrid",panel)
	agrid:SetCols(4)
	local w = ((ScrW()/4) - 10) / 4
	agrid:SetHeight(w)
	agrid:SetColWide(w)
	agrid:SetRowHeight(w)
	for i=1,4 do
		local rec = vgui.Create("DImageButton",agrid)
		rec:SetText("F"..i)
		rec:SetSize(w,w)
		rec.DoClick = function(s)
			local ap = self.activeprayers[i]
			explain:SetText(ap ~= nil and ap.Description or "Select a prayer")
		end
		rec:Receiver("prayer",function(s,tbl,dropped,mi,x,y)
			if not dropped then return end
			self.activeprayers[i] = tbl.item
			if tbl.item.DoOnPanel then
				tbl.item.DoOnPanel(s)
			end
		end,{})
		agrid:AddItem(rec)
	end
	agrid:Dock(TOP)
	--Explanation of spells
	local explainpanel = vgui.Create("DPanel",panel)
	explainpanel:SetHeight(w*2)
	explainpanel:Dock(TOP)
	explainpanel:SetText("This panel will explain information about a hovered skill")
	explain = vgui.Create("DLabel",explainpanel)
	explain:Dock(FILL)
	explain:SetDark(true)
	--All spells we know
	local scroll = vgui.Create( "DScrollPanel", panel )
	scroll:Dock( FILL )
	local grid = vgui.Create("DGrid",scroll)
	grid:SetCols(4)
	grid:SetColWide(w)
	grid:SetRowHeight(w)
	local function drawprayer(prayer)
		local rec = vgui.Create("DImageButton",grid)
		rec:SetText(prayer.Name)
		rec:SetSize(w,w)
		if(prayer.DoOnPanel) then
			prayer:DoOnPanel(rec)
		end
		rec.item = prayer
		rec:Droppable("prayer")
		grid:AddItem(rec)
	end
	
	for k,v in pairs(self.track) do
		drawprayer(v)
	end
	
	local observer = {}
	observer.Put = function(obs,pos,item)
		print("Prayer observer got request to put")
		drawprayer(item)
	end
	observer.Remove = function(obs,pos,item)
		print("I should never remove a prayer!")
	end
	return observer
end

--Rebind f1, f2, f3, f4 to prayers
local prayerhooks = {
	["gm_showhelp"] = 1,
	["gm_showteam"] = 2,
	["gm_showspare1"] = 3,
	["gm_showspare2"] = 4
}
hook.Add("PlayerBindPress", function( ply, bind, pressed )
	local phn = prayerhooks[bind]
	if phn == nil then return end
	local pap = pray.activeprayers[phn]
	if pap == nil then return end
	pap:pray()
end)

return pray