--[[
	Common functions since skills are a special inventory, adding skills need to be a special item
]]
local itm = nrequire("item.lua")
local log = nrequire("log.lua")
--Common things
--Make sure items have a "name" and "ammt" attribute
local item = {}

item.Name = "Skill"

item.isskill = true

item.Serialize = function(self)
	return util.TableToJSON({
		name = self.name,
		ammt = self.ammt
	})
end

item.DeSerialize = function(self,data)
	local tbl = util.JSONToTable(data)
	tbl.isskill = true
	return tbl
end

itm.RegisterItem(item)

local pmeta = FindMetaTable("Player")

function pmeta:AddSkill(name, ammt)
	local item = itm.GetItemByName("Skill")
	item.name = name
	item.ammt = ammt
	self:GiveItem(item)
end

local lib = {}
local skills = {}
--Skillname is a table of {string_group,string_name}
function lib.RegisterSkill(skillname)
	print("funcs.RegisterSkill called with")
	PrintTable(skillname)
	local group,name = skillname[1],skillname[2]
	if not skills[group] then
		skills[group] = {}
	end
	local alin = false
	for k,v in pairs(skills[group]) do
		if v == name then
			alin = true
			break
		end
	end
	if alin then
		log.warn("Re-registering skill: " .. skillname)
	else
		skills[group][#skills[group] + 1] = name
	end
	print("After registering skill, skills is")
	PrintTable(skills)
end

function lib.SkillList()
	return skills
end

return lib