local _,ns = ...;
local f=CreateFrame("Frame","BloodShieldHelperFrame",UIParent);
ns.frame = f;
local umh,netstat = UnitHealthMax,GetNetStats;
local curmax,pguid;
local healthvals = {};
local curhealth;
local e_time=0;
local lastupdate = 0;
local curtime;
local icounter=1;
local active=false;
BloodShieldHelper_S = {};





local function round(num, idp)
		local mult = 10^(idp or 0)
		return math.floor(num * mult + 0.5) / mult
end
		
function f:calcheal(lat)
	local curtimer = curtime;
	local dmg = 0;
	local first = true;
	local dmgwipe = 0;
	local dmgwipe_t =0;
	--print("calc");
	for i,v in pairs(healthvals) do
		if(curtimer-v[1]+lat<=5) then
			dmg = dmg +v[2];
		
			if(first==true  and v[2] >0) then
				dmgwipe = v[2];
				dmgwipe_t = 5-(curtimer-v[1]);
				first = false;
			end
		else
			healthvals[i] = nil;
			
		end
	end
	first = true;
	
	local heal = dmg*0.29;
	local heal2 = (dmg-dmgwipe)*0.29;
	
	local mheal = curmax*0.07;
	local mrating = (GetCombatRatingBonus(26)+8)*6.25;
	
	if(heal>mheal) then
		
		f.healtext:SetTextColor(unpack(ns.colors[3]));
		f.healtext:SetText(floor(heal*mrating/100));
		if(heal2>mheal) then
			f.healtext2:SetTextColor(unpack(ns.colors[3]));
			f.healtext2:SetText(floor(heal2*mrating/100));
		else
			f.healtext2:SetTextColor(unpack(ns.colors[2]));
			f.healtext2:SetText(floor(mheal*mrating/100))
		end
		
	
		f.countdown:SetText(round(dmgwipe_t,1));
	else
		f.healtext:SetTextColor(unpack(ns.colors[2]));
		f.healtext:SetText(floor(mheal*mrating/100)); 
		f.countdown:SetText(round(dmgwipe_t,1));
		f.healtext2:SetText("");
		
	end
end

function f:timer(e)
	e_time = e_time+e;
	if(e_time-lastupdate > 0.1) then
		f:calcheal(0);
		
		lastupdate = e_time;
	end
	
end




function f:eventhandler(event,...)
	local arg = ...;
	if(event == "UNIT_MAXHEALTH" and arg == "player") then
		curmax = umh("player");
	
	elseif(event == "COMBAT_LOG_EVENT_UNFILTERED") then
		
		
		local tstamp,flags,_,sguid,_,_,_,tguid,_,_,_,amount,amount2,_,amount3,amount4 = ...;
		curtime=tstamp;
		local dmgtaken;
		if(tguid==pguid and (flags=="SWING_DAMAGE" or flags=="RANGE_DAMAGE" or flags=="SPELL_DAMAGE" or flags=="SPELL_PERIODIC_DAMAGE" or flags=="SPELL_BUILDING_DAMAGE" or flags=="ENVIRONMENTAL_DAMAGE" )) then
		
			if(flags=="SWING_DAMAGE") then
				dmgtaken=amount;
			
			elseif(flags=="ENVIRONMENTAL_DAMAGE") then
				dmgtaken=amount2;
			else
				dmgtaken=amount3;
				
			end
			healthvals[icounter] = {};
			healthvals[icounter][1] = curtime;
			healthvals[icounter][2] = dmgtaken;
			icounter=icounter+1;
			f:calcheal(0);
		
		elseif(ns.debugmode and sguid==pguid and flags=="SPELL_AURA_APPLIED" and amount==77535) then
			
			print("Blood Shield: "..amount4);
		end
	elseif(event=="PLAYER_REGEN_ENABLED") then
		f:Deactivate();
	
	elseif(event=="PLAYER_REGEN_DISABLED") then
		if(active==true) then
			f:Activate();
		end
	elseif(event=="PLAYER_TALENT_UPDATE") then
	
		local _, _, _, _, pointsSpent = GetTalentTabInfo(1);
		
		if(pointsSpent>30) then
			active = true;
			--f:Activate();
		else
			active = false;
			--f:Deactivate();
		end
	elseif(event == "ADDON_LOADED" and arg == "BloodShieldHelper") then
		local _,eclass = UnitClass("player");
		if(eclass and eclass~="DEATHKNIGHT") then
			f:UnregisterEvent("PLAYER_TALENT_UPDATE");
			f:UnregisterEvent("PLAYER_REGEN_DISABLED");
			f:UnregisterEvent("PLAYER_REGEN_ENABLED");
			f:UnregisterEvent("ADDON_LOADED");
			return;
		end
		
		
		if not(BloodShieldHelper_S.colors) then
			BloodShieldHelper_S.colors = {};
			BloodShieldHelper_S.colors[1] ={0.0,0.0,0.0,1.0} ;	
			BloodShieldHelper_S.colors[2] ={1.0,0.0,0.0,1.0} ;			
			BloodShieldHelper_S.colors[3] ={0.0,1.0,0.0,1.0};
			BloodShieldHelper_S.colors[4] ={0.93,0.76,0.0,1.0} ;
		end
		
		ns.config:Init();
		
		
		f:SetFrameStrata("MEDIUM")
		f:SetWidth(70) 
		f:SetHeight(40) 
		--f:SetBackdrop( { 
		 -- bgFile = "Interface\\DialogFrame\\UI-DialogBox-Background-Dark", 
		--  insets = { left = 0, right = 0, top = 0, bottom = 0 }
		--});
		
		local t = f:CreateTexture(nil,"BACKGROUND")
		--t:SetTexture("Interface\\DialogFrame\\UI-DialogBox-Background-Dark")
		t:SetTexture(unpack(ns.colors[1]))
		t:SetWidth(70);
		t:SetHeight(40);
	
		t:SetPoint("CENTER",f);
		f.texture = t

		
		local font = f:CreateFontString( nil, "OVERLAY", "GameFontNormal" );
		font:SetPoint("TOPRIGHT", f,"TOPRIGHT", 0, -5)
		font:SetTextColor(unpack(ns.colors[2]));
		f.healtext = font;
		
		
	
		local font2 = f:CreateFontString( nil, "OVERLAY", "GameFontNormal" );
		font2:SetPoint("BOTTOMLEFT", f,"BOTTOMLEFT", 0, 5)
		font2:SetTextColor(unpack(ns.colors[4]));
		f.countdown = font2;
	
		
		
		local font3 = f:CreateFontString( nil, "OVERLAY", "GameFontNormal" );
		font3:SetPoint("BOTTOMRIGHT", f,"BOTTOMRIGHT", 0, 5)
		font3:SetTextColor(unpack(ns.colors[3]));
		f.healtext2 = font3;
		
		
		if(BloodShieldHelper_S.position) then
			f:SetPoint(unpack(BloodShieldHelper_S.position));
		else
			f:SetPoint("CENTER",0,0);
		end
		
		
		f:EnableMouse(true);
		f:RegisterForDrag("LeftButton");
		f:SetMovable(true);
		f:SetScript("OnDragStart", function(self) if IsShiftKeyDown() then self:StartMoving() end end)
		f:SetScript("OnDragStop", function(self) self:StopMovingOrSizing(); local a,b,c,d,e = self:GetPoint(); if(b~=nil) then b=b:GetName(); end; BloodShieldHelper_S.position = {a,b,c,d,e} end);
		f:Hide();
		
		
		f:UnregisterEvent("ADDON_LOADED");
	
	end
end

function f:Activate()
	if not(pguid) then
		pguid = UnitGUID("player");
		
	end
	
	f:RegisterEvent("UNIT_HEALTH");
	f:RegisterEvent("UNIT_MAXHEALTH");
	f:RegisterEvent("COMBAT_LOG_EVENT_UNFILTERED");
	f:SetScript("OnUpdate", f.timer);
	curmax = umh("player");
	f:Show();
end

function f:Deactivate()
	
	f:UnregisterEvent("");
	f:UnregisterEvent("");
	f:UnregisterEvent("");
	f:SetScript("OnUpdate", nil);
	icounter=1;
	wipe(healthvals);
	f:Hide();
end


f:RegisterEvent("ADDON_LOADED");

f:RegisterEvent("PLAYER_TALENT_UPDATE");
f:RegisterEvent("PLAYER_REGEN_DISABLED");
f:RegisterEvent("PLAYER_REGEN_ENABLED");
f:SetScript("OnEvent",f.eventhandler);