TASK_SYSTEM = {
    list = {
        ["trolls"] = {killsRequired = 10, storageFromStart = 10001, monsters = {"Troll", "Troll Champion"}, categorie = "low", exp = 0, items = {}, money = 100, talkstate = 1},
        ["rats"] = {killsRequired = 10, storageFromStart = 10001, monsters = {"Rat", "Cave Rat"}, categorie = "low", exp = 0, items = {}, money = 100, talkstate = 2},
        ["rotworms"] = {killsRequired = 10, storageFromStart = 10001, monsters = {"Rotworm", "Carrion Rotworm"}, categorie = "medium", exp = 0, items = {}, money = 100, talkstate = 3},
        ["cyclops"] = {killsRequired = 10, storageFromStart = 10001, monsters = {"Cyclop", "Cyclop Smith"}, categorie = "high", exp = 0, items = {}, money = 100, talkstate = 4},
    },

    cache = nil, -- Dont change it.
    storage_global = 929292, -- Choose one storage for it.

}

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

npcHandler:setMessage(MESSAGE_GREET, 'Hello |PLAYERNAME|. Say {task}, {consult}, {cancel} or {help} to know more about that or done to receive your award!')

local function addCacheTemporarily(msgTable)
    for k, v in pairs(msgTable) do
        if msg == v.categorie then
            if TASK_SYSTEM.cache == nil then
                TASK_SYSTEM.cache = " ".."{"..v.."}"
            else
                TASK_SYSTEM.cache = TASK_SYSTEM.cache ..", ".."{"..v.."}"
            end
        end
    end
    return TASK_SYSTEM.cache
end

function creatureSayCallback(cid, type, msg)
    if not npcHandler:isFocused(cid) then
        return false
    end

    if isInArray({'task','mission','quest'}, msg:lower()) then
        npcHandler:say("The tasks are divided by categories, we have: {low}, {medium} or {high}. We also have {addons}, {specials} and {timed} tasks.", cid)
    elseif isInArray({'low', 'medium', 'high'}, msg:lower()) then
        for k, v in pairs(TASK_SYSTEM.list) do
            if msg == v.categorie then
                if TASK_SYSTEM.cache == nil then
                    TASK_SYSTEM.cache = " ".."{"..k.."}"
                else
                    TASK_SYSTEM.cache = TASK_SYSTEM.cache .." | ".."{"..k.."}"
                end
            end
        end
        npcHandler:say("Currently for {"..msg.."} we have the following monsters:"..TASK_SYSTEM.cache.." which one do you want?", cid)
        TASK_SYSTEM.cache = nil
    elseif TASK_SYSTEM.list[msg:lower()] then
        addCacheTemporarily(TASK_SYSTEM.list[msg:lower()].monsters)
        npcHandler:say("You need to defeat an amount of "..tonumber(TASK_SYSTEM.list[msg:lower()].killsRequired).." of "..TASK_SYSTEM.cache.." to complete this task. Do you accept this challenge?", cid)
        TASK_SYSTEM.cache = nil
    end
    --for k, v in pairs(TASK_SYSTEM) do
    --  print(v.categorie)
    --end

    return true
end
npcHandler:addModule(FocusModule:new())
npcHandler:setCallback(CALLBACK_MESSAGE_DEFAULT, creatureSayCallback)