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

local cfg = {
    kicktime = 3, -- Tempo para Kickar o Player / Em Segundos
    vocations = {
        ["druid"] = {
                level = 30, -- Level Mínimo
                voc = { -- Possíveis Promoções
                    {name = 'sanders druid', id = 6},
                },
                price = { -- Preço
                    {id = 2152, amount = 100},
                    {id = 2160, amount = 1},
                },
            },
        -- [[ New Vocation Below ]] --
        ["sorcerer"] = {
                level = 30, -- Level Mínimo
                voc = { -- Possíveis Promoções
                    {name = 'crowler sorcerer', id = 5},
                },
                price = { -- Preço
                    {id = 2152, amount = 100},
                    {id = 2160, amount = 1},
                },
            },

            ["paladin"] = {
                level = 30, -- Level Mínimo
                voc = { -- Possíveis Promoções
                    {name = 'Drizzt Paladin', id = 7},
                },
                price = { -- Preço
                    {id = 2152, amount = 100},
                    {id = 2160, amount = 1},
                },
            },

        ["knight"] = {
                level = 30, -- Level Mínimo
                voc = { -- Possíveis Promoções
                    {name = 'Beowulf Knight', id = 8},
                },
                price = { -- Preço
                    {id = 2152, amount = 100},
                    {id = 2160, amount = 1},
                },
            },
        },

}

function creatureSayCallback(cid, type, msg)
    if(not npcHandler:isFocused(cid)) then
        return false
    end
    if msgcontains(msg, 'promote') or msgcontains(msg, 'promo') or msgcontains(msg, 'promotion') and talk_state == 0 then
        getVocation = getPlayerVocationName(cid):lower()
        get = vocations[getVocation]
        if get then
            if getPlayerLevel(cid) >= get.level then
                str = getTextPromoVocations(get.voc)
                npcHandler:say('Alright, you can choose this vocation(s): '..str..'.', cid)
                talk_state = 1
            else
                npcHandler:say('Sorry, but you need level '..get.level..' to be promoted.', cid)
                talk_state = 0
                return true
            end
        else
            npcHandler:say('Sorry, but I don\'t have nothing more for your vocation.', cid)
            talk_state = 0
            return true
        end

    elseif talk_state == 1 then
        get = cfg[getVocation]
        if get then
            ctrl = 0
            svocId = 0
            for b = 1, #get.voc do
                g = get.voc[b].name:lower()
                if msg:lower() == g then
                    ctrl = ctrl + 1
                    svocId = get.voc[b].id
                end
            end
            if ctrl > 0 then
                items = getItemsPromoVocations(get.price)
                npcHandler:say('Alright, you need pay: '..items..' to continue, you have this items?', cid)
                talk_state = 2
            else
                npcHandler:say('Vocation not founded, try choose again: '..str..'.', cid)
                talk_state = 1
                return true
            end
        else
            npcHandler:say('Sorry, but some error have occurred with your vocation, please contact to administrator.', cid)
            talk_state = 0
        end

    elseif talk_state == 2 then
        if msgcontains(msg, 'yes') then
            c = 0
            for j = 1, #get.price do
                if getPlayerItemCount(cid, get.price[j].id) >= get.price[j].amount then
                    c = c + 1
                else
                    if get.price[j].amount > 1 then name = getItemPluralNameById else name = getItemNameById end
                    npcHandler:say('Sorry, but you DON\'T have {'..get.price[j].amount..'x '..name(get.price[j].id)..'}.', cid)
                    talk_state = 0
                    break
                end
            end
            if c == #get.price then
                npcHandler:say('Well, well, you have been PROMOTED and will be kicked in 3 seconds.', cid)
                doNewPromoteThing(cid, get.price, svocId)
                talk_state = 0
            end
        end

    elseif msgcontains(msg, 'no') then
        npcHandler:say('Well, then leave.', cid)
        talk_state = 0
    end

    return true
end

function getTextPromoVocations(vocs)
    text = ''
    for i = 1, #vocs do
        if #vocs == 1 or i == 1 then
            text = '{'..vocs[i].name..'}'
        elseif #vocs > 1 and i == #vocs then
            text = ''..text..' and {'..vocs[i].name..'}'
        else
            text = ''..text..', {'..vocs[i].name..'}'
        end
    end
return text
end

function getItemsPromoVocations(list)
    items = ''
    for i = 1, #list do
        if list[i].amount > 1 then name = getItemPluralNameById else name = getItemNameById end
        if #list == 1 or i == 1 then
            items = '{'..list[i].amount..'x '..name(list[i].id)..'}'
        elseif #list > 1 and i == #list then
            items = ''..items..' and {'..list[i].amount..'x '..name(list[i].id)..'}'
        else
            items = ''..items..', {'..list[i].amount..'x '..name(list[i].id)..'}'
        end
    end
return items
end

function doNewPromoteThing(cid, list, vocid)
    for k = 1, #list do
        doPlayerRemoveItem(cid, list[k].id, list[k].amount)
    end
    doPlayerSetVocation(cid, vocid)
    addEvent(doRemoveCreature, cfg.kicktime * 1000, cid)
return true
end

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