#!/usr/bin/lua5.2

require("iuplua")
require("iupluacontrols")
require('progress')
require('ffmpeg_progress')

--Main url entry box
function url_entry()
  res, url = iup.GetParam("Mandy 0.4 - Enter URL", nil,
                          "Enter Youtube URL: %s\n", "")
  if res == true then
    if string.match(url, "youtube.com/watch") then
      return url
    else
      iup.Message("Error", "The URL is not a youtube link")
      iup.Flush()
      iup.Close()
    end
  else
    return false
  end
end


--Ask user to select a codec
function sel_Codec()
end

--Ask user to set directory
function set_dir()
  getPath = iup.filedlg{dialogtype = "SAVE", title="Save file...",
                        filter="*.mp3", filterinfo="mp3",
                        directory=".",
                        file="*.mp3"}

  getPath:popup(iup.ANYWHERE, iup.ANYWHERE)

  local status = getPath.status

  if status == "1" then
    if string.match(getPath.value, "%.mp3") then
      local savedPath = getPath.value
      return savedPath

    else
      local savedPath = getPath.value..".mp3"
      return savedPath

    end
    
  elseif status == "0" then
    local savedPath = getPath.value
    g_status = "23"
    return savedPath, g_status
        
        
    
  elseif status == "-1" then
    g_status = "23"
    return g_status
  end
end

function ytDl(x)
  local tmpName = math.random(0,999999999999)
  local tmpNameTwo = math.random(0,999999999999)
  local tmpPath = x.." --output=/tmp/youtube-dl-"..tmpName.."-"..tmpNameTwo..".flv"
  local tmpPath2 = "/tmp/youtube-dl-"..tmpName.."-"..tmpNameTwo..".flv"

  popin.ytdl(tmpPath)
  return tmpPath2
end

function ffmpeg(tmpPath, dirD)
 local subSpaces = string.gsub(dirD, " ", "\\")
 local mp3 = "ffmpeg -i "..tmpPath.." -acodec libmp3lame -ac 2 -ab 192k -vn -y "..subSpaces
  convert_mp3.go(mp3)
  io.popen("notify-send 'The file was saved to' "..subSpaces)
  io.popen("xdg-open "..subSpaces)
end

--put everything into a table to use local functions globally
global = {}
global.url = function ()
  local url = url_entry()
  return url
end

global.dir = function()
  local dir = set_dir()
  return dir
end

global.path = function(url)
  local yt = ytDl(url)
  return yt
end

global.ffmpeg = function(tmpPath, saveDir)
  local convert = ffmpeg(tmpPath, saveDir)
  return convert
end