[OC] [Music] [In-Progress] OpenRadio

-- This script is [Work in progress], and will not function as title says just about yet --

-- Script created by Frekvens1, however, most songs within the script are not --
-- OpenRadio version: Alpha 1.0.0 --

-- Check out my Github! 'https://github.com/Frekvens1/OpenComputers'

-- OpenComputers Mod for Minecraft, usi+ng Lua 5.2 --
-- pastebin get qq9CcAg2 openRadio.lua --


--[START] local variables used to perform tasks within the OpenComputers mod --

local component = require("component")
local term = require("term")
local fs = require("filesystem")
local shell = require("shell")
local inb = component.iron_noteblock.playNote

--[END] local variables used to perform tasks within the OpenComputers mod --


--[START] Music player, using iron note block --

function playSong(song)

local noteCount = 0
local maxLayers = song.layers
maxLayers = maxLayers + 1

local name = song.name

if not (name == "nil") then
term.clear()
print("Playing: "..name)
end

while noteCount < song.n_total do

os.sleep(song.speed)

local layerCount = 0

while layerCount < maxLayers do
     local variable = song["note_"..noteCount.."_"..layerCount]
     --print("String name: ".."note_"..noteCount.."_"..layerCount)

     if (variable == "nil") then
     elseif (variable == nil) then
     else

         local inst
         local note

         for count, i in ipairs(variable) do
             if count == 1 then
                inst = i
             elseif count == 2 then
                 note = i
             end
         end

         if (note == "nil") then
         elseif (inst == "nil") then
         else

         local fixInst

         if (inst==0) then
            fixInst = 0
         elseif (inst==1) then
            fixInst = 4
         elseif (inst==2) then
            fixInst = 1
         elseif (inst==3) then
            fixInst = 2
         elseif (inst==4) then
            fixInst = 3
         end

         inb(tonumber(fixInst), tonumber(note))
         end
     end

     layerCount = layerCount + 1

end

noteCount = noteCount + 1

end

end
--[END] Music player, using iron note block --

--playSong(he_s_a_pirate)

local myRadioSongs = {}

local files, reason = fs.list("songs")
if files then
    local i = 1
    for mySong in files do

        if not (mySong == "nil") then

            if (string.find(mySong, "_openradio.lua")) then
                myRadioSongs[tonumber(i)] = mySong
                i = i + 1
            end

        end

    end

end

local args, options = shell.parse(...)

if (args[1] == nil) then
for i, mySong in ipairs(myRadioSongs) do
print(i..": "..mySong)
end
print("")
print("Arguments:")
print("openRadio {song as index}, openRadio list, openRadio random, openRadio loop")
elseif args[1] == "list" then
print("Will now play songs in order")
elseif args[1] == "random" then
print("Will now play something random")
elseif args[1] == "loop" then
print("Will now loop the songs")
else
local path = "songs/"..myRadioSongs[tonumber(args[1])]
local path_lenght = string.len(path)
local fixedPath = path:sub(1,path_lenght - 4)

print(fixedPath)

playSong(require(fixedPath))
end