Dj for computer craft (with advanced peripheral)

--MrRepside programm enjoy
local storageName = "minecraft:barrel_3"
local jukeBoxeName = "minecraft:jukebox_0"
local routerName = "modularrouter:item_router_0"
local chatboxName = "chatBox_4"


local storage = peripheral.wrap(storageName)
local chatbox = peripheral.wrap(chatboxName)



function GetMusicMessage()
    local event, username, message = os.pullEvent("chat")
    local find, numberFind = string.find(message, "DJ play")
    if find == 1 and numberFind == 7 then
        return 1, string.sub(message, 9)
    else
        find, numberFind = string.find(message, "DJ stop")
        if find == 1 and numberFind == 7 then
            return 2, nil
        end
    end
end

function FindMusicPlace(musicName)
    local list = storage.list()
    for i=1,#list do
        if string.find(list[i].name, musicName) then
            print("trouvé le cd ici", list[i].name, i)
            return i
        end
    end
    return nil
end

function PlayMusic(place, name)
    storage.pushItems(routerName, place, 1)
    chatbox.sendMessage("Hey I'm playing "..name)
end

function StopMusic()
    storage.pullItems(jukeBoxeName, 1)
end

while true do
    local mode, musicName = GetMusicMessage()
    if mode == 1 then --joue
        local musicslot = FindMusicPlace(musicName)
        if musicName == nil or musicslot == nil then
            chatbox.sendMessage("Didn't found the disc :(")
        else
            StopMusic()
            PlayMusic(musicslot, musicName)
        end
    elseif mode == 2 then --Stop
        StopMusic()
    end
end