SynCurse

function SynCurse()
											--Essences can be converted (between 3 lesser and 1 greater instantly while in combat without initiating the global cooldown.
											--These will be used to track the current state. There are 4 states: CoR, CoS, CoE, and default.
																--Essence type 1 to be used for CoR state, using slots 61 and 62 on my action bars.
																--Essence type 2 to be used for CoS state, using slots 65 and 66 on my action bars.
																--Essence type 3 to be used for CoE state, using slots 69 and 70 on my action bars.

	if (IsUsableAction(61) == 1) then 							--Checking for CoR state
		SynCurse_Corbolt()
	elseif (IsUsableAction(65) == 1) then 						--Checking for CoS state
		SynCurse_Cosbolt()
	elseif (IsUsableAction(69) == 1) then 						--Checking for CoE state
		SynCurse_Coebolt()
	elseif (not buffed("Curse of Recklessness", "Target")) then --default state, start checking for missing curses. State change when a curse is found missing and cast.
		UseAction(62)											--CoR state 'on'
		UseAction(65)											--CoS state 'off'
		UseAction(69)											--CoE state 'off'
		CastSpellByName("Curse of Recklessness")
		--print("Casting CoR")
	elseif (not buffed("Curse of Shadow", "Target")) then
		UseAction(61)
		UseAction(66)
		UseAction(69)
		CastSpellByName("Curse of Shadow")
		--print("Casting CoS")
	elseif (not buffed("Curse of the Elements", "Target")) then
		UseAction(61)
		UseAction(65)
		UseAction(70)
		CastSpellByName("Curse of the Elements")
		--print("Casting CoE")
	else
		CastSpellByName("Shadow Bolt")							--cast shadow bolt if you are in default state after checking for all curses
		SynCurse_Reset() 										--reset to default state just in case
	end
end


function SynCurse_Corbolt()
	if (not buffed("Curse of Recklessness", "Target")) then
		SynCurse_Reset()  										--if the curse was resisted or failed to apply after casting then return to default state
	else
		CastSpellByName("Shadow Bolt")
	end
end


function SynCurse_Cosbolt()
	if (not buffed("Curse of Shadow", "Target")) then
		SynCurse_Reset()
	else
		CastSpellByName("Shadow Bolt")
	end
end


function SynCurse_Coebolt()
	if (not buffed("Curse of the Elements", "Target")) then
		SynCurse_Reset()
	else
		CastSpellByName("Shadow Bolt")
	end
end


function SynCurse_ResetCheck() 									--return to default state on dropping combat, dropping target, or changing target
	if ((not UnitAffectingCombat("player")) or (UnitName("target") == nil)) then
		SynCurse_Reset()
	end

	TargetLastTarget()											--target previous target

	if (UnitIsUnit("Player", "Target") == 1) then				--if current target is me then target previous target
		TargetLastTarget()
	else														--otherwise set previous target as me and reset to default state
		TargetLastTarget()
		TargetByName("Synek", true)
		TargetLastTarget()
		SynCurse_Reset()
	end
end


function SynCurse_Reset()										--resets essences to default state, setting all other states to 'off'
	UseAction(61)
	UseAction(65)
	UseAction(69)
end




--TO DO:
--1) Resetting on target swap can still not working perfectly
--2) Change cor state to coe state + cos state to reduce required number of action bar slots
--3) Add intelligent use of lifetap, major mana pots, and dark/demonic runes
--4) Add SynBuff functionality when out of combat