installer

--Minif OS Installer
--Functions and Variables

launchScreenSizeX, launchScreenSizeY = term.getSize()
function launchFillBG(selColor)
  paintutils.drawFilledBox(1,1,launchScreenSizeX,launchScreenSizeY,selColor)
  term.setCursorPos(1,1)
  term.setBackgroundColor(selColor)
  if selColor == colors.white then
    term.setTextColor(colors.black)
  else
    term.setTextColor(colors.white)
  end
end

function launchInstall(code)
  fs.delete("temp/install")
  shell.run("pastebin get "..code.." /temp/install")
  if fs.exists("/temp/install") then
    local file = fs.open("/temp/install","r")
    print("Installing "..file.readLine())
    local noFiles = file.readLine()
    print("Total Files: ".. noFiles)
    for i=1,tonumber(noFiles) do
      local ncode = file.readLine()
      local location = file.readLine()
      fs.delete(location)
      shell.run("pastebin get "..ncode.." "..location)
      if fs.exists(location) then
        print("Success")
      else
        print("Failure")
      end
    end
    file.close()
  else
    print("File Map Failure")
  end
end

function installNumber(version)
  print("installing".. version)
  fs.delete("temp/versions")
  shell.run("pastebin get vczUSAiy /temp/versions")
  if fs.exists("/temp/versions") then
    local file = fs.open("/temp/versions","r")
    print("Latest Version: "..file.readLine())
    local noVersions = file.readLine()
    print("Total Versions: "..noVersions)
    for i=1, tonumber(noVersions) do
      local nversion = file.readLine()
      local code = file.readLine()
      if nversion == version then
        print("Installing: "..version)
        launchInstall(code)
      end
    end
    file.close()
  else
    print("Version Failure")
  end
end


--Execution
launchFillBG(colors.cyan)

fs.delete("temp/versions")
shell.run("pastebin get vczUSAiy /temp/versions")
if fs.exists("/temp/versions") then
  local file = fs.open("/temp/versions","r")
  print("Latest Version: "..file.readLine())
  local noVersions = file.readLine()
  print("Total Versions: "..noVersions)
  for i=1, tonumber(noVersions) do
    local nversion = file.readLine()
    local code = file.readLine()
    print(i..": ".. nversion)
  end
  file.close()
  local choose = read()
  installNumber(choose)
else
  print("Version Failure")
end



sleep(2)
os.reboot()