-- TUOCB (The Ultimate OpChat Bot by bastya_elvtars
-- sorry did not optimize the PM command parsing part yet... l8r
-- !invite - invite ppl temporarily
-- !remove - remove from opchat
-- !perminvite - invite till removed
-- commands work in main and typed in opchat (wont show up)
-- disable opchat in PtokaX if you wanna use this.
-- enjoy

opchatbot="-Op][Chat-"

opchat={}

userlevels={[-1]=1,[0]=5,[1]=4,[2]=3,[3]=2}

-- usage permissions for inviting and removing ppl
        -- 5:only superops
        -- 4 ops & above
        -- 3 vips & above
        -- 2 registered users & above
        -- 1 anyone
        -- 0 disabled

levinvite=5

levperminvite=5

levremove=5

-----------------------==============-----------------------
function Main()
	GetOpChat()
	frmHub:RegBot(opchatbot)
end

function DataArrival(user,data)
	if strsub(data, 1, 4) == "$To:" then
		data=strsub(data,1,strlen(data)-1)
		-- is this meant for our bot?
		local _,_,whoTo = strfind(data,"$To:%s+(%S+)")
		if (whoTo == opchatbot) then
			opchatbasic(user,data)
		end
	elseif strsub(data, 1, 1) == "<" then 
		data=strsub(data,1,strlen(data)-1)
		local _,_,cmd = strfind(data,"%b<>%s+[%!%+%#](%S+)")
		if cmd then
			returndata=parsecmds(user,data,strlower(cmd),"MAIN")
		end
	end
end

function opchatbasic(user,data)
	if user.bOperator then
		if not opchat[user.sName] then
			opchat[user.sName]=1
			savefile(opchat,"opchat.ini")
		end
	end
	if not opchat[user.sName] and not user.bOperator then
		user:SendPM(opchatbot, "You can't post here!") return 1
	else
		local _,_,cmd = strfind(data,"$To:%s+%S+%s+From:%s+%S+%s+$%b<>%s+(%S+)")
		if cmd == "!invite" then
			invite(user, data, "PM","temp") return 1
		elseif cmd=="!perminvite" then
			invite(user, data, "PM","perm") return 1
		elseif cmd == "!remove" then
			removeopchat(user, data, "PM") return 1
		elseif cmd=="!me" or cmd=="+me" or cmd=="/me" then
			local _,_,str = strfind(data, "^$To: %S+ From: %S+ $%b<>%s+%S+%s+(.*)$")
			if str then
				meopchat(user.sName,str) return 1
			end
		else
			local _,_,str = strfind(data, "^$To: %S+ From: %S+ $%b<>%s+(.*)$")
			dochat(user.sName, str)
		end
	end
end

function dochat(from, str)
	for a,b in opchat do
		if from~= a then SendToNick(a, "$To: "..a.." From: "..opchatbot.." $<"..from.."> "..str.."|") end
	end Clear()
end

function meopchat(from, str)
	for a,b in opchat do
			SendToNick(a, "$To: "..a.." From: "..opchatbot.." $ * "..from.." "..str.."|") end
	Clear()
end

function invite(user, data, env,sess)
	if levinvite~=0 then
		if userlevels[user.iProfile] >= levinvite then
			local _,_,args=strfind(data,"%b<>%s+%S+%s+(.*)")
			if args then
				gsub(args, "(%S+)", function(nick)
					local tmp, bool = GetItemByName(nick), %opchat[nick]
					if tmp and not (tmp.bOperator and bool) then
						if %sess=="perm" and tmp.iProfile==2 then
							%opchat[nick]=1;SendPmToOps(opchatbot,nick.." has been perm. invited !")
							SendPmToNick(nick,opchatbot,"You are invited , you can take part in here until you get removed.")
							savefile(%opchat,"lawmaker/inifiles/opchat.ini")
						elseif %sess=="temp" then
							%opchat[nick]=1;SendPmToOps(opchatbot,nick.." has been temp. invited !")
							SendPmToNick(nick,opchatbot,"You are invited , you can take part in here for one session..")
						elseif tmp.iProfile~=2 then
							%user:SendData(parseenv(%user,%env,opchatbot)..nick.." is not a VIP, only VIPs can be invited for perm.")
						elseif tmp.bOperator then
							%user:SendData(parseenv(%user,%env,opchatbot)..nick.." is an OP, OPs get auto invitation ^^.")
						end
					elseif not tmp then 
						%user:SendData(parseenv(%user,%env,opchatbot)..nick.." not online...")
					elseif bool or tmp.bOperator then 
						%user:SendData(parseenv(%user,%env,opchatbot).."Already a member of opchat")
					end
				end)
			else
				user:SendData(parseenv(user,env,opchatbot).."Ok, but who to invite?")
			end
		else
			user:SendData(parseenv(user,env,opchatbot).."You do not have sufficient rights to run that command! |")
		end
	else
		user:SendData(parseenv(user,env,opchatbot).."That command is disabled.")
	end
end

function removeopchat(user, data, env,sess)
	if levinvite~=0 then
		if userlevels[user.iProfile] >= levremove then
			local _,_,args = strfind(data,"%b<>%s+%S+%s+(.*)")
			if args then
					gsub(args, "(%S+)", function(nick)
					local id,tmp = %opchat[nick],GetItemByName(nick)
					if id and not tmp.bOperator then
						%opchat[nick]=nil
						SendPmToOps(opchatbot,nick.." has been removed!")
						SendPmToNick(nick,opchatbot,"You are removed, so you cannot post here any longer.")
						savefile(%opchat,"lawmaker/inifiles/opchat.ini")
					elseif not tmp then
						%user:SendData(parseenv(%user,%env,opchatbot)..nick.." not online...")
					elseif not id then
						%user:SendData(parseenv(%user,%env,opchatbot)..nick.. "is not a member of opchat")
					elseif tmp.bOperator then
						%user:SendData(parseenv(%user,%env,opchatbot)..nick.."is an operator, operators cannot be removed.")
					end
				end)
			else
				user:SendData(parseenv(user,env,opchatbot).."Ok, but who to remove?")
			end
			
		else
			user:SendData(parseenv(user,env,opchatbot).."You do not have sufficient rights to run that command! |")
		end
	else
		user:SendData(parseenv(user,env,opchatbot).."That command is disabled.")
	end
end

function GetOpChat()
	loadfile(opchat,"lawmaker/inifiles/opchat.ini")
	local temptbl=loadusers()
	for a,b in temptbl do
		if not opchat[a] and(b==1 or b==0) then opchat[a]=1 end
	end
	savefile(opchat,"lawmaker/inifiles/opchat.ini")
end

function loadusers()
	local regusers={}
	readfrom("../RegisteredUsers.dat")
	while 1 do
		local line = read()
		if line == nil then 
				readfrom()
				break 
		end
		local _,_,name,levl = strfind(line,"(.+)|.+|(%d+)")
		regusers[name]=tonumber(levl)
		
	end
	readfrom()
	return regusers
end

function loadfile(table,file)
	table={}
	readfrom(file)
	while 1 do
		local line = read()
		if line == nil then 
			readfrom()
			break 
		end
		table[line] = 1
	end 
readfrom()
end

function savefile(table,file)
	writeto(file)
		for a,b in table do
			write(a.."\n")
		end
	writeto()
end

function parsecmds(user,data,cmd,env)
	local commandtable={
	["invite"]= {invite,{user,data,env,"temp"}},
	["remove"]={removeopchat,{user,data,env}}, 
	["perminvite"]={invite,{user,data,env,"perm"}}}
	if commandtable[cmd] then
		call (commandtable[cmd][1],commandtable[cmd][2])
		return 1
	end
end

function parseenv(user,env,bot)
	if env=="PM" then
		return "$To: "..user.sName.." From: "..bot.." $<"..bot.."> "
	elseif env=="MAIN" then
		return "<"..bot.."> "
	end
end