local nick_colors = {
	"#4E9A06", --19
	"#CC0000", --20
	"#5C3566", --22
	"#C4A000", --24
	"#73D216", --25
	"#11A879", --26
	"#58A19D", --27
	"#57799E", --28
	"#A04265", --29
}

local function get_nick_color(nick)
	local color = 0
	for i=1,string.len(nick),1 do
		color = color + string.byte(string.sub(nick,i,i))
	end
	color = color % #nick_colors
	return(nick_colors[color+1])
end

minetest.register_on_chat_message(function(fromname,msg)
	local outgoingnick = minetest.setting_get("chat6.outgoing_nick_color") or "#CC0000"
	local outgoingmsg = minetest.setting_get("chat6.outgoing_message_color") or "#CCCCCC"
	local highlight = minetest.setting_get("chat6.highlight_color") or "#4E9A06"
	local players = minetest.get_connected_players()
	for _,player in pairs(players) do
		local toname = player:get_player_name()
		if toname == fromname then
			local colorednick = minetest.colorize(outgoingnick,fromname)
			local coloredmessage = minetest.colorize(outgoingmsg,msg)
			minetest.chat_send_player(toname,string.format("<%s> %s",colorednick,coloredmessage))
		elseif string.find(msg,toname) then
			local colorednick = minetest.colorize(highlight,fromname)
			local coloredmessage = minetest.colorize(highlight,msg)
			minetest.chat_send_player(toname,string.format("<%s> %s",colorednick,coloredmessage))
		else
			local colorednick = minetest.colorize(get_nick_color(fromname),fromname)
			minetest.chat_send_player(toname,string.format("<%s> %s",colorednick,msg))
		end
	end
	return true
end)

minetest.override_chatcommand("me",{func=function(fromname,msg)
	local outgoingnick = minetest.setting_get("chat6.outgoing_nick_color") or "#CC0000"
	local outgoingmsg = minetest.setting_get("chat6.outgoing_message_color") or "#CCCCCC"
	local highlight = minetest.setting_get("chat6.highlight_color") or "#4E9A06"
	local players = minetest.get_connected_players()
	for _,player in pairs(players) do
		local toname = player:get_player_name()
		if toname == fromname then
			local colorednick = minetest.colorize(outgoingnick,fromname)
			local coloredmessage = minetest.colorize(outgoingmsg,msg)
			minetest.chat_send_player(toname,string.format("* %s %s",colorednick,coloredmessage))
		elseif string.find(msg,toname) then
			local colorednick = minetest.colorize(highlight,fromname)
			local coloredmessage = minetest.colorize(highlight,msg)
			minetest.chat_send_player(toname,string.format("* %s %s",colorednick,coloredmessage))
		else
			local colorednick = minetest.colorize(get_nick_color(fromname),fromname)
			minetest.chat_send_player(toname,string.format("* %s %s",colorednick,msg))
		end
	end
	if minetest.get_modpath("irc") then
		irc:say(string.format("* %s %s",fromname,msg))
	end
	return true
end})

minetest.override_chatcommand("msg",{func=function(fromname,msg)
	local highlight = minetest.setting_get("chat6.highlight_color") or "#4E9A06"
	local toname, message = msg:match("^(%S+)%s(.+)$")
	if (not toname) or (not msg) then
		minetest.chat_send_player(fromname,minetest.colorize("#FF0000","Error")..": Player name or message missing")
		return false
	end
	if not minetest.get_player_by_name(toname) then
		minetest.chat_send_player(fromname,minetest.colorize("#FF0000","Error")..": Target player is not online")
		return false
	end
	local colorednick = minetest.colorize(highlight,fromname)
	local coloredmessage = minetest.colorize(highlight,message)
	minetest.chat_send_player(fromname,"Message sent.")
	minetest.chat_send_player(toname,string.format("PM from %s: %s",fromname,coloredmessage))
	return true
end})