chatbox = peripheral.wrap("top")

local MAXPLAYERS = 4
local redteam = 0
local blueteam = 0

function initTeams()
	commands.exec("/scoreboard teams add RED")
	commands.exec("/scoreboard teams option RED color red")
	commands.exec("/scoreboard teams option RED friendlyfire false")
	commands.exec("/scoreboard teams add BLUE")
	commands.exec("/scoreboard teams option BLUE color blue")
	commands.exec("/scoreboard teams option BLUE friendlyfire blue")
	commands.exec("/scoreboard objectives add Bloodrace totalKillCount")
	commands.exec("/scoreboard objectives setdisplay sidebar Bloodrace")
end
function killTeams()
	commands.exec("/scoreboard teams remove RED")
	commands.exec("/scoreboard teams remove BLUE")
	commands.exec("/scoreboard objectives remove Bloodrace")
	commands.exec("/scoreboard objectives setdisplay sidebar Bloodrace")
end

function needsTeam(list, player)
	for i,v in ipairs(list) do
		if v == player then
			print(v.." is equal to "..player)
			return false
		end
	end
	print("Returning true.")
	return true
end

local teamed = {"test"}

initTeams()
while true do
	event, direction, player, message = os.pullEvent("chat_message")

	if string.lower(message) == "red" and redteam < MAXPLAYERS and needsTeam(teamed, player) == true then
		redteam = redteam + 1
		table.insert(teamed, player)
		chatbox.say("Placing "..player.." on Red Team ("..redteam.."/"..MAXPLAYERS..")")
		commands.exec("/scoreboard teams join RED "..player)

	elseif string.lower(message) == "blue" and blueteam < MAXPLAYERS and needsTeam(teamed, player) == true then
		blueteam = blueteam + 1
		table.insert(teamed, player)
		chatbox.say("Placing "..player.." on Blue Team ("..blueteam.."/"..MAXPLAYERS..")")
		commands.exec("/scoreboard teams join BLUE "..player)
	elseif message == "?" then
		for i,v in ipairs(teamed) do
			chatbox.say(v)
		end
	elseif needsTeam(teamed, player) == false then
		chatbox.say(player.." already has a team.")
	elseif message == "STOPEVENT" and player == "Pangolen" then
		killTeams()
		break
	else
		chatbox.say("Invalid team. Check for typos/full teams.")
	end
end