irc_users = {}

local old_chat_send_player = minetest.chat_send_player
minetest.chat_send_player = function(name, message)
	for nick, user in pairs(irc_users) do
		if name == user then
			mt_irc.say(nick, message)
		end
	end
	return old_chat_send_player(name, message)
end

mt_irc.register_bot_command("login", {
	params = "<username> <password>",
	description = "Login as a user to run commands",
	func = function (from, args)
		if args == "" then
			mt_irc.say(from, "You need a username and password")
			return
		end
		local found, _, username, password = args:find("^([^%s]+)%s([^%s]+)$")
		if not found then
			username = args
			password = ""
		end
		if minetest.auth_table[username] and
		   minetest.auth_table[username].password == minetest.get_password_hash(username, password) then
			minetest.debug("User "..from.." from IRC logs in as "..username)
			irc_users[from] = username
			mt_irc.say(from, "You are now logged in as "..username)
		else
			minetest.debug("User "..from.." from IRC attempted log in as "..username.." unsuccessfully")
			mt_irc.say(from, "Incorrect password or player does not exist")
		end
end})

mt_irc.register_bot_command("logout", {
	description = "Logout",
	func = function (from, args)
		if irc_users[from] then
			minetest.debug("User "..from.." from IRC logs out of "..irc_users[from])
			irc_users[from] = nil
			mt_irc.say(from, "You are now logged off")
		else
			mt_irc.say(from, "You are not logged in")
		end
end})

mt_irc.register_bot_command("cmd", {
	params = "<command>",
	description = "Run a command on the server",
	func = function (from, args)
		if args == "" then
			mt_irc.say(from, "You need a command")
			return
		end
		if not irc_users[from] then
			mt_irc.say(from, "You are not loged in")
			return
		end
		local found, _, commandname, params = args:find("^([^%s]+)%s(.+)$")
		if not found then
			commandname = args
		end
		local command = minetest.chatcommands[commandname]
		if not command then
			mt_irc.say(from, "Not a valid command")
			return
		end
		if minetest.check_player_privs(irc_users[from], command.privs) then
			minetest.debug("User "..from.." from IRC runs "..args.." as "..irc_users[from])
			command.func(irc_users[from], (params or ""))
			mt_irc.say(from, "Command run successfuly")
		end
end})

mt_irc.register_bot_command("say", {
	params = "message",
	description = "Say something",
	func = function (from, args)
		if args == "" then
			mt_irc.say(from, "You need a message")
			return
		end
		if not irc_users[from] then
			mt_irc.say(from, "You are not loged in")
			return
		end
		if minetest.check_player_privs(irc_users[from], {shout=true}) then
			minetest.debug("User "..from.." from IRC says "..args.." as "..irc_users[from])
			minetest.chat_send_all("<"..irc_users[from].."@IRC> "..args)
			mt_irc.say(from, "Message sent successfuly")
		end
end})