local keywordHandler = KeywordHandler:new()
local npcHandler = NpcHandler:new(keywordHandler)
NpcSystem.parseParameters(npcHandler)

function onCreatureAppear(cid)			npcHandler:onCreatureAppear(cid)			end
function onCreatureDisappear(cid)		npcHandler:onCreatureDisappear(cid)			end
function onCreatureSay(cid, type, msg)	npcHandler:onCreatureSay(cid, type, msg)	end
function onThink()						npcHandler:onThink()						end

function creatureSayCallback(cid, type, msg)
	--- TODO: bless function in modules.lua
	if(npcHandler.focus ~= cid) then
		return FALSE
	end

	if msgcontains(msg, 'blessing') or msgcontains(msg, 'blessings') or msgcontains(msg, 'help') or msgcontains(msg, 'offer') then
		npcHandler:say("I can provide you with five blessings... the 'first bless', 'second bless', 'third bless', 'fourth bless' and the 'fifth bless', they cost 10000 gold coins each.")
		talkState = 0
	elseif msgcontains(msg, 'first bless') then
		npcHandler:say("Do you want to buy the first blessing for 10000 gold?")
		talkState = 1
	elseif msgcontains(msg, 'second bless') then
		npcHandler:say("Do you want to buy the second blessing for 10000 gold?")
		talkState = 2
	elseif msgcontains(msg, 'third bless') then
		npcHandler:say("Do you want to buy the third blessing for 10000 gold?")
		talkState = 3
	elseif msgcontains(msg, 'fourth bless') then
		npcHandler:say("Do you want to buy the fourth blessing for 10000 gold?")
		talkState = 4
	elseif msgcontains(msg, 'fifth bless') then
		npcHandler:say("Do you want to buy the fifth blessing for 10000 gold?")
		talkState = 5
	elseif talkState > 0 then
		if msgcontains(msg, 'yes') then
			if getPlayerBlessing(cid, talkState) then
				npcHandler:say("A god has already blessed you with this blessing.")
			elseif isPremium(cid) == TRUE then
				if doPlayerRemoveMoney(cid, 10000) == TRUE then
					doPlayerAddBlessing(cid, talkState)
					npcHandler:say("You have been blessed by one of the five gods!")
				else
					npcHandler:say("You don't have enough money.")
				end
			else
				npcHandler:say("You need a premium account to buy blessings.")
			end
		elseif msgcontains(msg, 'no') then
			npcHandler:say("Then not.")
		end
		talkState = 0
	end
	return TRUE
end

npcHandler:setCallback(CALLBACK_MESSAGE_DEFAULT, creatureSayCallback)
npcHandler:addModule(FocusModule:new())