rednet.open("right")
rednet.open("left")
rednet.open("bottom")
rednet.open("top")
rednet.open("back")
rednet.open("front")

local channel = "";
local user = "";
local ip = os.computerID()
local x2,y2 = term.getCursorPos()
local channelID = 0;
local chatHistory = ""
local messages = 4;
local function cPrint(text)
	local x,y = term.getSize()
	x2,y2 = term.getCursorPos()
	term.setCursorPos(math.ceil((x / 2) - (text:len() / 2)), y2)
	write(text)
end

term.clear()
term.setCursorPos(1,1)

function status()
	print("Status: " ..channel)
	print("--------------------------------")
end

function chatbox()
	term.clear()
	term.setCursorPos(1,1)
	status()
	print("[" ..channel.. "] "..user.." joined the server!")
	while true do
		local e, pie, test = os.pullEvent()
		if e == "rednet_message" then
			if pie == "pinged " ..channel then
				rednet.send(pie, "hehehoohoohaha")
			else
				local x,y = term.getSize()
				if messages < y then
					term.setCursorPos(1, messages)
					messages = messages +1
					print(test)
				else
					term.clear()
					term.setCursorPos(1,1)
					status()
					messages = 3
					term.setCursorPos(1, messages)
					messages = messages +1
					print(test)
				end
			end
		elseif e == "char" then
			local x,y = term.getSize()
			term.setCursorPos(1, y)
			chatHistory = chatHistory.. "" ..pie
			term.clearLine()
			write(chatHistory)
		elseif e == "key" and pie == 28 then
			rednet.broadcast("<" ..user.. "> " ..chatHistory)
			term.setCursorPos(1, messages)
			messages = messages +1
			print("<" ..user.. "> " ..chatHistory)
			chatHistory = ""
			local x,y = term.getSize()
			term.setCursorPos(1, y)
			term.clearLine()
		end
	end
end

function connector()
	term.clear()
	term.setCursorPos(1,1)
	status()
	print("Logging in...")
	print(user.. " ["..ip.."] logged in to N-IRC!")
	print("Connecting to " ..channel.."...")
	rednet.broadcast("pinged " ..channel)
	id, message = rednet.receive(1)
	print("Connected! Joining...")
	rednet.broadcast("[" ..channel.. "] "..user.." joined the server!")
	sleep(0.5)
	channelID = id
	chatbox()
end

function login()
	term.clear()
	term.setCursorPos(1,1)
	cPrint("NeXuS IRC \n")
	cPrint("Nickname: ")
	nick = read()
	cPrint("Channel: #")
	chan = read()

	channel = "#" ..chan
	user = nick
	connector()
end

login()