LimeFyre BETA Installer

--LOAD SIMPLE FUNCTIONS
local function centerPrint(text,y,distance)
        if text == nil then text = "Hello World!" end
        if y == nil then y = 1 end
        if distance == nil then distance = 0 end
        local dx, dy = term.getSize()
        term.setCursorPos(dx/2-#text/2-distance,y)
        print(text)
end

local function clear()
        term.clear()
        term.setCursorPos(1,1)
end

local function bg(color)
        term.setBackgroundColor(color)
end

local function text(color)
        term.setTextColor(color)
end

local function dl(path,dest)
     local resp = http.get("http://pastebin.com/raw.php?i="..textutils.urlEncode(path))
     if resp then
          f = fs.open(dest,"w")
          f.write(resp.readAll())
          f.close()
          return true
     else
          return false
     end
end
--DONE LOADING SIMPLE FUNCTIONS

local version = "Service Pack 7"

if term.isColor() then
     local isclicking = true
     while isclicking do
          bg(colors.gray)
          text(colors.white)
          clear()
          centerPrint("You do not have LimeFyre installed",7)
          text(colors.cyan)
          centerPrint("Would you like to install the current version?",8)
          term.setCursorPos(15,10)
          bg(colors.lime)
          text(colors.white)
          write(" Yes ")
          term.setCursorPos(32,10)
          bg(colors.red)
          write(" No ")
          bg(colors.gray)
          local event,button,x,y = os.pullEvent("mouse_click")
          if x >= 15 and x <= 20 and y == 10 then
               isclicking = false
               if fs.exists("LimeFyre/") then
                    fs.delete("LimeFyre/")
                    if fs.exists("startup") then
                         local f = fs.open("startup","r")
                         local check = f.readLine()
                         f.close()
                         if check == 'shell.run("LimeFyre/bios.lua")' then
                              fs.delete("startup")
                         end
                    end
               end
               bg(colors.gray)
               text(colors.orange)
               clear()
               centerPrint("Creating directories",10)
               fs.makeDir("LimeFyre")
               fs.makeDir("LimeFyre/APIs")
               fs.makeDir("LimeFyre/User")
               fs.makeDir("LimeFyre/Assets")
               clear()
               centerPrint("Downloading APIs from Pastebin",10)
               dl("bJAZpzaP","LimeFyre/APIs/fdialog")
               dl("jZDYw5y7","LimeFyre/APIs/hashlib")
               sleep(0.2)
               print("Creating system configuration files")

               local t = {}
               t.bgColor = colors.gray
               t.info = "Be careful! If you mess some of the settings up, the OS may crash or not run properly!"
               t.lightColor = colors.lightBlue
               t.darkColor = colors.blue

               local f = fs.open("LimeFyre/conf.lf","w")
               f.write(textutils.serialize(t))
               f.close()
               clear()
               centerPrint("Getting system files from pastebin...",10)
               dl("QCdLIDRU","LimeFyre/Assets/logo")
               dl("cnfymbK4","LimeFyre/bios.lua")
               dl("HpP53PCt","LimeFyre/Assets/files")
               dl("vyAZc6tJ","LimeFyre/Assets/luaide")
               dl("pzWSRqNF","LimeFyre/Assets/npaint")
               dl("Fxb7C0Mk","LimeFyre/Assets/paste")
               local f = fs.open("LimeFyre/User/tiles","w")
               f.write([[{
  {
    color = 1024,
    page = 1,
    funct = "LimeFyre/Assets/paste",
    height = 9,
    text = " Paste ",
    y = 7,
    x = 2,
    width = 10,
  },
  {
    color = 2048,
    page = 1,
    funct = "LimeFyre/Assets/luaide",
    height = 9,
    text = " LuaIDE ",
    y = 7,
    x = 12,
    width = 21,
  },
  {
    color = 32,
    page = 1,
    funct = "LimeFyre/Assets/npaint",
    height = 9,
    text = " Paint ",
    y = 7,
    x = 23,
    width = 31,
  },
  {
    color = 16384,
    page = 1,
    funct = "LimeFyre/Assets/files",
    height = 9,
    text = " FileX ",
    y = 7,
    x = 33,
    width = 41,
  }
}]])
               f.close()
               local f = fs.open("LimeFyre/User/config","w")
               f.write([[{
  darkColor = 8192,
  lightColor = 32,
  info = "Be careful! If you mess some of the settings up, the OS may crash or not run properly!",
  bgColor = 128,
}]])
               f.close()
               local yn = true
               while yn do
                    bg(colors.gray)
                    text(colors.white)
                    clear()
                    centerPrint("Would you like to run LimeFyre on startup?",8)
                    bg(colors.cyan)
                    term.setCursorPos(15,10)
                    print(" Yes ")
                    term.setCursorPos(30,10)
                    print(" No ")
                    local event, button, x, y = os.pullEvent("mouse_click")
                    if x >= 15 and x <= 20 then
                         f = fs.open("startup","w")
                         f.write('shell.run("LimeFyre/bios.lua")')
                         f.close()
                         yn = false
                         break
                    elseif x >= 30 and x <= 34 then
                         yn = false
                         break
                    end
               end
               bg(colors.gray)
               clear()
               text(colors.cyan)
               centerPrint("Starting...",10)
               sleep(0.2)
               shell.run("LimeFyre/bios.lua")
          elseif x >= 32 and x <= 36 and y == 10 then
               bg(colors.gray)
               text(colors.orange)
               centerPrint("LimeFyre install cancelled.",15)
               centerPrint("Returning to CraftOS",16)
               sleep(2)
               bg(colors.black)
               text(colors.white)
               clear()
               isclicking = false
               break
          end
     end
else
     print("Your computer is not advanced. This version")
     print("of LimeFyre requires an Advanced Computer")
     print("Please wait until the basic version is released")
end