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frame:RegisterEvent("PARTY_MEMBERS_CHANGED")

local notifiedParty = {}

function frame:PARTY_MEMBERS_CHANGED(event)
	-- Check if in raid group
	local raidMemberString = "raid"
	local memberCount = GetNumRaidMembers()

	-- No raid but maybe a party ?
	if (memberCount == 0) then 
		raidMemberString = "party"
		memberCount = GetNumPartyMembers()
	end

	if (memberCount == 0) then
		notifiedParty = {}
	elseif (memberCount > 0) then
		for i = 1, memberCount, 1 do
			memberString = raidMemberString .. i --add the suffix of corresponding player
			source = string.gsub(GetUnitName(memberString, true), "%s", "", 2)
			
			if list and type(source)=="string" and source~="" and type(list[source])=="table" then
				if (notifiedParty[source] ~= true) then

					if list[source].reason and list[source].reason~="" then
						reason = list[source].reason

						-- No CHAT-Messages in Battlegrounds
						if UnitInBattleground("player") == nil then
							-- Next line send "warning" to complete PARTY/RAID that someone is on YOUR ignore :-)
							SendChatMessage("Info: "..source.." is blacklisted by "..UnitName("player").." (Reason: "..reason..")", strupper(raidMemberString), nil, GetChannelName(strupper(raidMemberString)))
						end
					else reason = "none" end

					-- Print found ignored players (once per Raid)
					print ("- "..source.." is blacklisted (Reason: " .. reason .. ")");

					notifiedParty[source] = true
				end
			end
		end
	end
end

local notifiedWhisper={}

local function chatFilter(self,event,msg,source,...)
	-- print("Message: ", msg, "  Source: ", source)
	if list and type(source)=="string" and source~="" and type(list[source])=="table" then
		if event=="CHAT_MSG_WHISPER" then
			if notifiedWhisper[arg2] then return true end notifiedWhisper[arg2] = true
			if list[arg2].reason then reason = list[arg2].reason else reason = "none" end
			SendChatMessage("Sorry, but you are blacklisted. I can't read your messages (Reason: " .. reason .. ").", "WHISPER", nil, arg2)					
		elseif event=="CHAT_MSG_WHISPER_INFORM" then
			return false, arg1.." (NOTE: You are ignoring this player!)", source, ...
		end

		return true
	end
end