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

-- Buff Config beginning --

-- configs
local config = {
    storage = 77700,
    money = 2000,
    duration = 600,
    skills = {
        fist = 20,
        club = 20,
        sword = 20,
        axe = 20,
        distance = 20,
        shield = 20,
        magicLevel = 10
    }
}

-- Configs of buffs

local conditionMagicLevel = Condition(CONDITION_ATTRIBUTES)
conditionMagicLevel:setParameter(CONDITION_PARAM_BUFF_SPELL, 1)
conditionMagicLevel:setParameter(CONDITION_PARAM_TICKS, config.duration * 1000)
conditionMagicLevel:setParameter(CONDITION_PARAM_STAT_MAGICLEVEL, config.skills.magicLevel)

local conditionInvisible = Condition(CONDITION_INVISIBLE)
conditionInvisible:setParameter(CONDITION_PARAM_BUFF_SPELL, 1)
conditionInvisible:setParameter(CONDITION_PARAM_TICKS, config.duration * 1000)

local conditionMelee = Condition(CONDITION_ATTRIBUTES)
conditionMelee:setParameter(CONDITION_PARAM_BUFF_SPELL, 1)
conditionMelee:setParameter(CONDITION_PARAM_TICKS, config.duration * 1000)
conditionMelee:setParameter(CONDITION_PARAM_SKILL_FIST, config.skills.fist)
conditionMelee:setParameter(CONDITION_PARAM_SKILL_CLUB, config.skills.club)
conditionMelee:setParameter(CONDITION_PARAM_SKILL_SWORD, config.skills.sword)
conditionMelee:setParameter(CONDITION_PARAM_SKILL_AXE, config.skills.axe)

local conditionDistance = Condition(CONDITION_ATTRIBUTES)
conditionDistance:setParameter(CONDITION_PARAM_BUFF_SPELL, 1)
conditionDistance:setParameter(CONDITION_PARAM_TICKS, config.duration * 1000)
conditionDistance:setParameter(CONDITION_PARAM_SKILL_DISTANCE, config.skills.distance)

local conditionShield = Condition(CONDITION_ATTRIBUTES)
conditionShield:setParameter(CONDITION_PARAM_BUFF_SPELL, 1)
conditionShield:setParameter(CONDITION_PARAM_TICKS, config.duration * 1000)
conditionShield:setParameter(CONDITION_PARAM_SKILL_SHIELD, config.skills.shield)

local conditionMagicShield = Condition(CONDITION_MANASHIELD)
conditionMagicShield:setParameter(CONDITION_PARAM_BUFF_SPELL, 1)
conditionMagicShield:setParameter(CONDITION_PARAM_TICKS, config.duration * 1000)

local conditionRegeneration = Condition(CONDITION_REGENERATION)
conditionRegeneration:setParameter(CONDITION_PARAM_BUFF_SPELL, 1)
conditionRegeneration:setParameter(CONDITION_PARAM_TICKS, config.duration * 1000)
conditionRegeneration:setParameter(CONDITION_PARAM_HEALTHGAIN, 20)
conditionRegeneration:setParameter(CONDITION_PARAM_HEALTHTICKS, 2000)

local conditionSpeed = Condition(CONDITION_HASTE)
conditionSpeed:setParameter(CONDITION_PARAM_BUFF_SPELL, 1)
conditionSpeed:setParameter(CONDITION_PARAM_TICKS, config.duration * 1000)
conditionSpeed:setFormula(1.0, -86, 1.0, -86)

local function resetStorageValue(cid, key, value)
    local player = Player(cid)
    if not player then
        return
    end

    player:setStorageValue(key, value)
end

-- Configs of buffs
local function attribute(cid, message, keywords, parameters, node)
    if not npcHandler:isFocused(cid) then
        return false
    end

    local player = Player(cid)

    local vocation = parameters.vocation
    if #vocation ~= 0 and not isInArray(vocation, player:getVocation():getBase():getId()) then
        local text = ""
        for i = 1, #vocation do
            text = text .. (i ~= 1 and (i == #vocation and " or " or ", ") or "") .. Vocation(vocation[i]):getDescription()
        end
        npcHandler:say("You must be " .. text .. " to receive this increment.", cid)
        return true
    end

    if player:getStorageValue(config.storage) == 1 then
        npcHandler:say("You can't receive more than one increase.", cid)
        return true
    end

    if not player:removeMoney(config.money) then
        npcHandler:say("You don't have enough money.", cid)
        return true
    end

    player:addCondition(parameters.condition)
    player:setStorageValue(config.storage, 1)
    addEvent(resetStorageValue, config.duration * 1000, cid, config.storage, -1)
    npcHandler:say(parameters.text .. ' for 10 minutes!', cid)
end
-- Buff Config End --

keywordHandler:addKeyword({'help'}, StdModule.say, {npcHandler = npcHandler, onlyFocus = true, text = "I can increase your {melee}, {distance}, {shielding}, {magic level}, {regeneration}, {invisibility}, {magic shield} and {speed}"})

local function addAttributeKeyword(keyword, text, vocation, condition)
    local attributeKeyword = keywordHandler:addKeyword(keyword, StdModule.say, {npcHandler = npcHandler, text = 'Do you want to ' .. text[1] .. ' for a certain time?'})
        attributeKeyword:addChildKeyword({'yes'}, attribute, {npcHandler = npcHandler, vocation = vocation, text = text[2], condition = condition, reset = true})
        attributeKeyword:addChildKeyword({'no'}, StdModule.say, {npcHandler = npcHandler, text = 'Alright then. Come back if you want an upgrade in your skills.', reset = true})
end

addAttributeKeyword({'magic', 'level'}, {'increase your magic level', 'Your magic level has increased'}, {1, 2}, conditionMagicLevel)
addAttributeKeyword({'invisibility'}, {'be invisible', 'You received invisibility'}, {1, 2}, conditionInvisible)
addAttributeKeyword({'melee'}, {'increase your melee skills', 'Your melee skills has increased'}, {4}, conditionMelee)
addAttributeKeyword({'distance'}, {'increase your distance skills', 'Your distance skill has increased'}, {3}, conditionDistance)
addAttributeKeyword({'shielding'}, {'increase your shielding skill', 'Your shielding skill has increased'}, {3, 4}, conditionShield)
addAttributeKeyword({'magic', 'shield'}, {'receive a magic shield', 'You recieved a magic shield'}, {1, 2, 3}, conditionMagicShield)
addAttributeKeyword({'regeneration'}, {'increase your regeneration', 'Your regeneration has increased'}, {}, conditionRegeneration)
addAttributeKeyword({'speed'}, {'increase your speed', 'Your speed has increased'}, {}, conditionSpeed)

npcHandler:addModule(FocusModule:new())