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

local tasks =
{
}
local taskSelected =
{

}

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)


    if not npcHandler:isFocused(cid) then
        return false
    end
    local player = Player(cid)
    if (not npcHandler.topic[cid] or npcHandler.topic[cid] == 0) then
        if (msgcontains(msg, 'task')) then
            if (weeklyTaskSys:hasFinishedTaskToday(player)) then
                npcHandler:say("You have already done a task today.", cid)
                return false
            end

            if (weeklyTaskSys:hasStartedTask(player)) then
                npcHandler:say("You have already started a task.", cid)
                return false
            end

            local message = "Today you can kill %d %s or %d %s. What do you want to kill?"
            message = string.format(message, tasks[cid][1].amount, tasks[cid][1].name, tasks[cid][2].amount, tasks[cid][2].name)
            npcHandler:say(message, cid)
            npcHandler.topic[cid] = 1
        end
    elseif(npcHandler.topic[cid] == 1 ) then
        local monster = msg:lower()

        if (monster == tasks[cid][1].name) then
            taskSelected[cid] = tasks[cid][1]
        elseif (monster == tasks[cid][2].name) then
            taskSelected[cid] = tasks[cid][2]
        else
            npcHandler:say("Wrong monster name.", cid)
            return true
        end

        local message = "So do you want to kill %d %s?"
        message = string.format(message, taskSelected[cid].amount, taskSelected[cid].name)
        npcHandler:say(message, cid)
        npcHandler.topic[cid] = 2
    elseif(npcHandler.topic[cid] == 2) then
        if (msgcontains(msg, "yes")) then
            weeklyTaskSys:startTask(player, taskSelected[cid])
            local message = "You have started %s task!"
            message = string.format(message, taskSelected[cid].name)
            npcHandler:say(message, cid)
            npcHandler.topic[cid] = 0
        end
    end

     return true
end

local function greetCallback(cid)
    local player = Player(cid)

    local first, second = weeklyTaskSys:getAssignedTasks(player)
    if (first <= 0) then
        local generatedTasks = weeklyTaskSys:getRandomTasks(player)
        weeklyTaskSys:assignTasks(player, generatedTasks)
        tasks[cid] = generatedTasks
    else
        tasks[cid] = {}
        tasks[cid][1] = weeklyTaskSys:getTaskById(player, first)
        tasks[cid][2] = weeklyTaskSys:getTaskById(player, second)
    end
print(tostring(tasks[cid][1]), tostring(tasks[cid][2]))
    return true
end




local function onReleaseFocus(cid)
    tasks[cid] = nil
    taskSelected[cid] = nil

end

npcHandler:setCallback(CALLBACK_GREET, greetCallback)
npcHandler:setCallback(CALLBACK_ONRELEASEFOCUS, onReleaseFocus)

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