awesome.lua

if not defined then 
  	defined = true
  
	ArenaEnemies = {
		"arenapet1",
		"arenapet2",
		"arenapet3",
		"arena1",
		"arena2",
		"arena3",
		"arena1pet",
		"arena2pet",
		"arena3pet"
	}


	Enemies = {
		"target",
		"targettarget",
		"focustarget",
		"focus",
		"mouseover"
	}

	-- Return true if the player is playing in Arena
	function IsArena()
		return select(1, IsActiveBattlefieldArena()) == 1
	end

	-- Return an enemy array depending on the current area of the player
	function GetEnemies()
		if select(1, IsActiveBattlefieldArena()) == 1 then
			return ArenaEnemies
		else
			return Enemies
		end
	end
  
  	-- Return true if a given type is checked
	function ValidUnitType(unitType, unit)
		local isEnemyUnit = UnitCanAttack("player", unit) == 1
		return (isEnemyUnit and unitType == "enemy")
			or (not isEnemyUnit and unitType == "friend")
	end
  
	-- Return if a given unit exists, isn't dead
	function ValidUnit(unit, unitType) 
		return UnitExists(unit)==1 and ValidUnitType(unitType, unit)
	end
  
	realTargets = {}
	realTimeout = 0
	realLastTarget = nil
	activeTarget = nil

	-- Return true if a given unit is targeting the player
	function IsTargetingPlayer(unit)
	local realTarget = realTargets[UnitName(unit)]

	return realTarget ~= nil and realTarget["real"] == "done"
	end
	
	-- create the frame
	local frame = CreateFrame("FRAME", nil, UIParent)
	frame:RegisterEvent("COMBAT_LOG_EVENT_UNFILTERED")
	frame:SetScript("OnEvent", function(self, event, _, type,  sourceGUID, sourceNAME, _, destGUID, destNAME, _, spellID)
		-- Check if player is the real target
		if type == "SPELL_CAST_START" then 
			for _, unit in ipairs(GetEnemies()) do
				if ValidUnit(unit, "enemy")
				and select(1, UnitName(unit)) == sourceNAME then
					local profile = cancellables[spellID]

					if profile ~= nil then
						if activeTarget ~= nil then
							realLastTarget = activeTarget
						end

						ClearTarget()
						activeTarget = nil
						realTimeout = GetTime()

						local realTarget = realTargets[sourceNAME]

						if realTarget == nil then
							realTargets[sourceNAME] = {
								["time"] = GetTime(),
								["real"] = "no"
							}
						else
							realTargets[sourceNAME]["time"] = GetTime()
						end
					end
				end
			end
		end
	end
	)
end

-- In the pqr loop, global scope
if UnitExists("target") then
    local name = UnitName("target")
    
    if activeTarget == nil then
        local realTarget = realTargets[name]
        
        if realTarget ~= nil and realTarget["real"] ~= "done" then
            if GetTime() - realTarget["time"] > 0.03 then
                realTargets[name] = nil
            else
		if realLastTarget ~= name then
			RunMacroText("/target "..realLastTarget)
		end
		realTimeout = 0
		realTarget["real"] = "done"
            end
        end
    end

    activeTarget = name
elseif realTimeout > 0 and GetTime() - realTimeout > 0.03 then
     if activeTarget == nil 
	 and realLastTarget ~= name then
	 RunMacroText("/target "..realLastTarget)
     end
 	realTimeout = 0
end