local gpu = require("component").gpu
local unicode = require("unicode")
local length, width = gpu.getResolution() 

local function setColorText(x, y, text)
	if not x then 
		x = math.floor(length / 2 - unicode.len(text:gsub("%[%w+]", "")) / 2)
	end

	local skip, skipLen = 0, 0

    for i = 1, unicode.len(text) do
    	if skip == 0 then
	    	local symbol = unicode.sub(text, i, i)

	        if symbol == "[" then
	        	local endLen = 0

	        	for j = i, unicode.len(text) do
	        		if unicode.sub(text, j, j) == "]" then
	        			break
	        		end

	        		endLen = endLen + 1
	        	end

	            gpu.setForeground(tonumber(unicode.sub(text, i + 1, i + endLen - 1)))
	            skip, skipLen = endLen, skipLen + unicode.len(unicode.sub(text, i, endLen + i))
	        else
	        	gpu.set(x + i - skipLen - 1, y, symbol)
	        end
	    else
	    	skip = skip - 1
	    end
    end
end

local text = "[0xffffff]Привет[0x000000]пока"
setColorText(nil, 1, text)