local songList = "LajAJwja"
local condense = "W3jHDPSX"
local songPlayer = "695qWt0q"
print("Downloading dependency...")
shell.run("rm cond")
shell.run("rm player")
shell.run("rm .songlist")
shell.run("pastebin get " .. condense .. " cond")
shell.run("pastebin get " .. songPlayer .. " player")
print("Updating list...")
shell.run("rm .songlist")
shell.run("pastebin get " .. songList .. " .songlist")
print("Starting up...")
print("-1")
size = {term.getSize()}
nb = peripheral.find("minecraft:noteblock")
if not nb then
  if peripheral.find("neuralInterface") then
    if peripheral.find("neuralInterface").playNote then
        nb = peripheral.find("neuralInterface")
    end
  end
end
print("0")
if ( not nb ) or ( not nb.playNote ) then
     term.setBackgroundColour(colours.lightGray)
     term.setTextColour(colours.gray)
     print("Couldn't locate noteblock")
     print("Playing may not work!",1)
     sleep(4)
end
print("1")


clr = {}
for i,k in pairs(colours) do
  if type(k) == "number" and i ~= "black" then
    table.insert(clr,k)
  end
end

term.clear()
songs = {}
f = fs.open(".songlist","r")
while true do
  line = f.readLine()
  if not line then break else table.insert(songs,line) end
end

print("2")

size = {term.getSize()}
term.setCursorPos(1,size[2]/2)
term.setTextColour(colours.white)
term.write(">")

function writeT(b)
  term.clear()
  term.setCursorPos(1,size[2]/2)
  term.write(">")
  str = 2-math.ceil((size[2]/2))
  line = 1
  term.setTextColour(colours.cyan)
  for i=str,str+size[2],1 do
    term.setCursorPos(3,line)
    term.write((songs[i+b] or "") .. string.rep(" ",30))
    line=line+1
  end
  term.setCursorPos(2,1)
  term.clearLine()
  term.setTextColour(clr[math.random(1,#clr)])
  term.write("Song Shop - " .. #songs .. " total songs!")
end

offset = 1
writeT(offset)

print("3")

while true do
  a,b,c,d = os.pullEvent()
  if a == "key" then
    if b == 200 then --up
      offset = offset - 1
    elseif b == 208 then --down
      offset = offset + 1
    elseif b == 201 then --pgup
      offset = 0
    elseif b == 209 then --bgdwn
      offset = #songs-1
    elseif b == 28 then -- enter
      term.clear()
      term.setCursorPos(1,1)
      songname = songs[offset]
      if songname == ".song Player" then
      	shell.run("pastebin get 695qWt0q songPlayer")
      else
      print("Downloading " .. songname)
      shell.run("wget http://hackery.site/computercraft/lua-songs/" .. songname:gsub(" ","%%20") .. ".lua temp")
      shell.run("cond temp .temp")
      shell.run("rm temp")
      shell.run("player .temp \"" .. songname .. "\"")
      shell.run("rm .temp")
      term.clear()
      term.setCursorPos(1,1)
      end
    end
    if offset < 1 then offset = 1 end
    if offset > #songs then offset = #songs end
    writeT(offset)
  end
end