--- ============================ HEADER ============================
--- ======= LOCALIZE =======
-- Addon
local addonName, addonTable = ...
-- HeroDBC
local DBC        = HeroDBC.DBC
-- HeroLib
local HL         = HeroLib
local Cache      = HeroCache
local Unit       = HL.Unit
local Player     = Unit.Player
local Target     = Unit.Target
local Pet        = Unit.Pet
local Spell      = HL.Spell
local Item       = HL.Item
-- HeroRotation
local HR         = HeroRotation
local Cast       = HR.Cast
local AoEON      = HR.AoEON
local CDsON      = HR.CDsON
local Warlock    = HR.Commons.Warlock
-- Num/Bool Helper Functions
local num        = HR.Commons.Everyone.num
local bool       = HR.Commons.Everyone.bool


--- ============================ CONTENT ===========================
--- ======= APL LOCALS =======
-- luacheck: max_line_length 9999

-- Define S/I for spell and item arrays
local S = Spell.Warlock.Demonology
local I = Item.Warlock.Demonology

-- Create table to exclude above trinkets from On Use function
local OnUseExcludes = {
  I.BeacontotheBeyond:ID(),
  I.EruptingSpearFragment:ID(),
  I.IrideusFragment:ID(),
  I.RotcrustedVoodooDoll:ID(),
  I.SpoilsofNeltharus:ID(),
  I.TimebreachingTalon:ID(),
  I.VoidmendersShadowgem:ID(),
}

-- Trinket Item Objects
local equip = Player:GetEquipment()

-- Rotation Var
local BossFightRemains = 11111
local FightRemains = 11111
local VarNextTyrant = 0
local VarNPCondition = false
local VarShadowTimings = 0
local VarTyrantCD = 120
local VarTyrantPrepStart = 0
local CombatTime = 0

-- Enemy Variables
local Enemies40y
local Enemies8ySplash, EnemiesCount8ySplash

HL:RegisterForEvent(function()
  BossFightRemains = 11111
  FightRemains = 11111
end, "PLAYER_REGEN_ENABLED")

-- GUI Settings
local Everyone = HR.Commons.Everyone
local Settings = {
  General = HR.GUISettings.General,
  Commons = HR.GUISettings.APL.Warlock.Commons,
  Demonology = HR.GUISettings.APL.Warlock.Demonology
}

-- Stuns
local StunInterrupts = {
  {S.AxeToss, "Cast Axe Toss (Interrupt)", function () return true; end},
}

HL:RegisterForEvent(function()
  equip = Player:GetEquipment()
end, "PLAYER_EQUIPMENT_CHANGED")

HL:RegisterForEvent(function()
  S.HandofGuldan:RegisterInFlight()
end, "LEARNED_SPELL_IN_TAB")
S.HandofGuldan:RegisterInFlight()

-- Function to check for imp count
local function WildImpsCount()
  return HL.GuardiansTable.ImpCount or 0
end

-- Function to check two_cast_imps or last_cast_imps
local function CheckImpCasts(count)
  local ImpCount = 0
  for _, Pet in pairs(HL.GuardiansTable.Pets) do
    if Pet.ImpCasts <= count then
      ImpCount = ImpCount + 1
    end
  end
  return ImpCount
end

-- Function to check for remaining Grimoire Felguard duration
local function GrimoireFelguardTime()
  return HL.GuardiansTable.FelGuardDuration or 0
end

-- Function to check for Demonic Tyrant duration
local function DemonicTyrantTime()
  return HL.GuardiansTable.DemonicTyrantDuration or 0
end

-- Function to check for Dreadstalker duration
local function DreadstalkerTime()
  return HL.GuardiansTable.DreadstalkerDuration or 0
end

-- Function to check for Pit Lord duration
local function PitLordTime()
  return HL.GuardiansTable.PitLordDuration or 0
end

local function EvaluateDoom(TargetUnit)
  -- target_if=refreshable
  return (TargetUnit:DebuffRefreshable(S.Doom))
end

local function Precombat()
  -- flask
  -- food
  -- augmentation
  -- summon_pet
  -- Moved to APL()
  -- snapshot_stats
  -- variable,name=tyrant_prep_start,op=set,value=12
  VarTyrantPrepStart = 12
  -- variable,name=next_tyrant,op=set,value=14+talent.grimoire_felguard+talent.summon_vilefiend
  VarNextTyrant = 14 + num(S.GrimoireFelguard:IsAvailable()) + num(S.SummonVilefiend:IsAvailable())
  -- variable,name=shadow_timings,default=0,op=reset
  VarShadowTimings = 0
  -- variable,name=shadow_timings,op=set,value=0,if=cooldown.invoke_power_infusion_0.duration!=120
  if Settings.Demonology.PISource == "Shadow" then
    VarShadowTimings = 1
  end
  -- power_siphon
  if S.PowerSiphon:IsReady() then
    if Cast(S.PowerSiphon, Settings.Demonology.GCDasOffGCD.PowerSiphon) then return "power_siphon precombat 2"; end
  end
  -- demonbolt,if=!buff.power_siphon.up
  if S.Demonbolt:IsReady() and Player:BuffDown(S.DemonicCoreBuff) then
    if Cast(S.Demonbolt, nil, nil, not Target:IsSpellInRange(S.Demonbolt)) then return "demonbolt precombat 4"; end
  end
  -- shadow_bolt
  if S.ShadowBolt:IsReady() then
    if Cast(S.ShadowBolt, nil, nil, not Target:IsSpellInRange(S.ShadowBolt)) then return "shadow_bolt precombat 6"; end
  end
end

local function Variables()
  -- variable,name=tyrant_cd,op=setif,value=cooldown.invoke_power_infusion_0.remains,value_else=cooldown.summon_demonic_tyrant.remains_expected,condition=((((fight_remains+time)%%120<=85&(fight_remains+time)%%120>=25)|time>=210)&variable.shadow_timings)&cooldown.invoke_power_infusion_0.duration>0&!talent.grand_warlocks_design
  VarTyrantCD = S.SummonDemonicTyrant:CooldownRemains()
  if bool(VarShadowTimings) then
    local VarPICD = 120 - (GetTime() - Warlock.LastPI)
    -- Note: Moved VarPICD check to the front to avoid unnecessary calculations.
    if VarPICD > 0 and ((((FightRemains + CombatTime) % 120 <= 85 and (FightRemains + CombatTime) % 120 >= 25) or CombatTime >= 210) and VarShadowTimings) and not S.GrandWarlocksDesign:IsAvailable() then
      VarTyrantCD = VarPICD
    end
  end
  -- variable,name=np_condition,op=set,value=cooldown.nether_portal.up|buff.nether_portal.up|pet.pit_lord.active|!talent.nether_portal|cooldown.nether_portal.remains>30
  VarNPCondition = (S.NetherPortal:CooldownUp() or Player:BuffUp(S.NetherPortalBuff) or PitLordTime() > 0 or (not S.NetherPortal:IsAvailable()) or S.NetherPortal:CooldownRemains() > 30)
end

local function Tyrant()
  -- variable,name=next_tyrant,op=set,value=time+13+cooldown.grimoire_felguard.ready+cooldown.summon_vilefiend.ready,if=variable.next_tyrant<=time&!equipped.neltharions_call_to_dominance
  if (VarNextTyrant <= CombatTime and not I.NeltharionsCallToDominance:IsEquipped()) then
    VarNextTyrant = CombatTime + 13 + num(S.GrimoireFelguard:CooldownUp()) + num(S.SummonVilefiend:CooldownUp())
  end
  -- invoke_external_buff,name=power_infusion,if=(buff.nether_portal.up&buff.nether_portal.remains<8&talent.nether_portal)|(buff.dreadstalkers.up&variable.next_tyrant-time<=6&(!talent.nether_portal|variable.shadow_timings))
  -- Note: Not handling external buffs
  -- shadow_bolt,if=time<2&soul_shard<5
  if S.ShadowBolt:IsCastable() and (CombatTime < 2 and Player:SoulShardsP() < 5) then
    if Cast(S.ShadowBolt, nil, nil, not Target:IsSpellInRange(S.ShadowBolt)) then return "shadow_bolt tyrant 2"; end
  end
  -- nether_portal
  if S.NetherPortal:IsReady() then
    if Cast(S.NetherPortal, Settings.Demonology.GCDasOffGCD.NetherPortal) then return "nether_portal tyrant 4"; end
  end
  -- variable,name=next_tyrant,op=set,value=time+13+cooldown.grimoire_felguard.ready+cooldown.summon_vilefiend.ready,if=variable.next_tyrant<=time&equipped.neltharions_call_to_dominance
  if VarNextTyrant <= CombatTime and I.NeltharionsCallToDominance:IsEquipped() then
    VarNextTyrant = CombatTime + 13 + num(S.GrimoireFelguard:CooldownUp()) + num(S.SummonVilefiend:CooldownUp())
  end
  -- grimoire_felguard
  if S.GrimoireFelguard:IsReady() then
    if Cast(S.GrimoireFelguard, Settings.Demonology.GCDasOffGCD.GrimoireFelguard, nil, not Target:IsSpellInRange(S.GrimoireFelguard)) then return "grimoire_felguard tyrant 6"; end
  end
  -- summon_vilefiend
  if S.SummonVilefiend:IsReady() then
    if Cast(S.SummonVilefiend) then return "summon_vilefiend tyrant 8"; end
  end
  -- call_dreadstalkers
  if S.CallDreadstalkers:IsReady() then
    if Cast(S.CallDreadstalkers, nil, nil, not Target:IsSpellInRange(S.CallDreadstalkers)) then return "call_dreadstalkers tyrant 10"; end
  end
  -- soulburn,if=buff.nether_portal.up&soul_shard>=2,line_cd=40
  if S.Soulburn:IsReady() and S.Soulburn:TimeSinceLastCast() >= 40 and (Player:BuffUp(S.NetherPortalBuff) and Player:SoulShardsP() > 2) then
    if Cast(S.Soulburn) then return "soulburn tyrant 12"; end
  end
  -- hand_of_guldan,if=variable.next_tyrant-time>2&(buff.nether_portal.up|soul_shard>2&variable.next_tyrant-time<12|soul_shard=5)&!cooldown.call_dreadstalkers.up
  if S.HandofGuldan:IsReady() and (VarNextTyrant - CombatTime > 2 and (Player:BuffUp(S.NetherPortalBuff) or Player:SoulShardsP() > 2 and VarNextTyrant - CombatTime < 12 or Player:SoulShardsP() == 5) and S.CallDreadstalkers:CooldownDown()) then
    if Cast(S.HandofGuldan, nil, nil, not Target:IsSpellInRange(S.HandofGuldan)) then return "hand_of_guldan tyrant 14"; end
  end
  -- hand_of_guldan,if=talent.soulbound_tyrant&variable.next_tyrant-time<4&variable.next_tyrant-time>action.summon_demonic_tyrant.cast_time
  if S.HandofGuldan:IsReady() and (S.SoulboundTyrant:IsAvailable() and VarNextTyrant - CombatTime < 4 and VarNextTyrant - CombatTime > S.SummonDemonicTyrant:CastTime()) then
    if Cast(S.HandofGuldan, nil, nil, not Target:IsSpellInRange(S.HandofGuldan)) then return "hand_of_guldan tyrant 16"; end
  end
  -- summon_demonic_tyrant,if=variable.next_tyrant-time<cast_time*2+1|(buff.dreadstalkers.remains<cast_time+gcd&buff.call_dreadstalkers.up)
  if S.SummonDemonicTyrant:IsCastable() and (VarNextTyrant - CombatTime < S.SummonDemonicTyrant:CastTime() * 2 + 1 or (DreadstalkerTime() < S.SummonDemonicTyrant:CastTime() + Player:GCD() and DreadstalkerTime() > 0)) then
    if Cast(S.SummonDemonicTyrant, Settings.Demonology.GCDasOffGCD.SummonDemonicTyrant) then return "summon_demonic_tyrant tyrant 18"; end
  end
  -- demonbolt,if=buff.demonic_core.up
  -- Note: Sometimes suggested during Tyrant cast, which shouldn't happen as it would over-cap shards.
  if S.Demonbolt:IsReady() and (not Player:IsCasting(S.SummonDemonicTyrant)) and (Player:BuffUp(S.DemonicCoreBuff)) then 
    if Cast(S.Demonbolt, nil, nil, not Target:IsSpellInRange(S.Demonbolt)) then return "demonbolt tyrant 20"; end
  end
  -- power_siphon,if=buff.wild_imps.stack>1&!buff.nether_portal.up
  if S.PowerSiphon:IsCastable() and (WildImpsCount() > 1 and not Player:BuffUp(S.NetherPortalBuff)) then
    if Cast(S.PowerSiphon, Settings.Demonology.GCDasOffGCD.PowerSiphon) then return "power_siphon tyrant 22"; end
  end
  -- soul_strike
  if S.SoulStrike:IsReady() then
    if Cast(S.SoulStrike, nil, nil, not Target:IsSpellInRange(S.SoulStrike)) then return "soul_strike tyrant 24"; end
  end
  -- shadow_bolt
  if S.ShadowBolt:IsCastable() then
    if Cast(S.ShadowBolt, nil, nil, not Target:IsSpellInRange(S.ShadowBolt)) then return "shadow_bolt tyrant 26"; end
  end
end

local function Items()
  if Settings.Commons.Enabled.Trinkets then
    -- use_item,name=irideus_fragment,if=buff.demonic_power.up|!talent.summon_demonic_tyrant&(buff.nether_portal.up|!talent.nether_portal)|time_to_die<=21
    -- use_item,name=timebreaching_talon,if=buff.demonic_power.up|!talent.summon_demonic_tyrant&(buff.nether_portal.up|!talent.nether_portal)|time_to_die<=21
    -- use_item,name=spoils_of_neltharus,if=buff.demonic_power.up|!talent.summon_demonic_tyrant&(buff.nether_portal.up|!talent.nether_portal)|time_to_die<=21
    if (Player:BuffUp(S.DemonicPowerBuff) or not S.SummonDemonicTyrant:IsAvailable() and (Player:BuffUp(S.NetherPortalBuff) or not S.NetherPortal:IsAvailable()) or FightRemains <= 21) then
      if I.IrideusFragment:IsEquippedAndReady() then
        if Cast(I.IrideusFragment, nil, Settings.Commons.DisplayStyle.Trinkets) then return "irideus_fragment items 2"; end
      end
      if I.TimebreachingTalon:IsEquippedAndReady() then
        if Cast(I.TimebreachingTalon, nil, Settings.Commons.DisplayStyle.Trinkets) then return "timebreaching_talon items 4"; end
      end
      if I.SpoilsofNeltharus:IsEquippedAndReady() then
        if Cast(I.SpoilsofNeltharus, nil, Settings.Commons.DisplayStyle.Trinkets) then return "spoils_of_neltharus items 6"; end
      end
    end
    -- use_item,name=voidmenders_shadowgem,if=!variable.shadow_timings|(variable.shadow_timings&(buff.demonic_power.up|!talent.summon_demonic_tyrant&(buff.nether_portal.up|!talent.nether_portal)))
    if I.VoidmendersShadowgem:IsEquippedAndReady() and ((not VarShadowTimings) or (VarShadowTimings and (Player:BuffUp(S.DemonicPowerBuff) or (not S.SummonDemonicTyrant:IsAvailable()) and (Player:BuffUp(S.NetherPortalBuff) or not S.NetherPortal:IsAvailable())))) then
      if Cast(I.VoidmendersShadowgem, nil, Settings.Commons.DisplayStyle.Trinkets) then return "voidmenders_shadowgem items 8"; end
    end
    -- use_item,name=erupting_spear_fragment,if=buff.demonic_power.up|!talent.summon_demonic_tyrant&(buff.nether_portal.up|!talent.nether_portal)|time_to_die<=11
    if I.EruptingSpearFragment:IsEquippedAndReady() and (Player:BuffUp(S.DemonicPowerBuff) or (not S.SummonDemonicTyrant:IsAvailable()) and (Player:BuffUp(S.NetherPortalBuff) or not S.NetherPortal:IsAvailable()) or FightRemains <= 11) then
      if Cast(I.EruptingSpearFragment, nil, Settings.Commons.DisplayStyle.Trinkets, not Target:IsInRange(40)) then return "erupting_spear_fragment items 10"; end
    end
  end
  -- use_items,if=(buff.demonic_power.up|!talent.summon_demonic_tyrant&(buff.nether_portal.up|!talent.nether_portal))&(!equipped.irideus_fragment&!equipped.timebreaching_talon&!equipped.spoils_of_neltharus&!equipped.erupting_spear_fragment&!equipped.voidmenders_shadowgem)
  -- Note: Excluded trinkets are excluded via OnUseExcludes, so ignoring that portion of the condition.
  if (Player:BuffUp(S.DemonicPowerBuff) or (not S.SummonDemonicTyrant:IsAvailable()) and (Player:BuffUp(S.NetherPortalBuff) or not S.NetherPortal:IsAvailable())) then
    local ItemToUse, ItemSlot, ItemRange = Player:GetUseableItems(OnUseExcludes)
    if ItemToUse then
      local DisplayStyle = Settings.Commons.DisplayStyle.Trinkets
      if ItemSlot ~= 13 and ItemSlot ~= 14 then DisplayStyle = Settings.Commons.DisplayStyle.Items end
      if ((ItemSlot == 13 or ItemSlot == 14) and Settings.Commons.Enabled.Trinkets) or (ItemSlot ~= 13 and ItemSlot ~= 14 and Settings.Commons.Enabled.Items) then
        if Cast(ItemToUse, nil, DisplayStyle, not Target:IsInRange(ItemRange)) then return "Generic use_items for " .. ItemToUse:Name(); end
      end
    end
  end
  if Settings.Commons.Enabled.Trinkets then
    -- use_item,name=rotcrusted_voodoo_doll
    if I.RotcrustedVoodooDoll:IsEquippedAndReady() then
      if Cast(I.RotcrustedVoodooDoll, nil, Settings.Commons.DisplayStyle.Trinkets, not Target:IsInRange(50)) then return "rotcrusted_voodoo_doll items 12"; end
    end
    -- use_item,name=beacon_to_the_beyond
    if I.BeacontotheBeyond:IsEquippedAndReady() then
      if Cast(I.BeacontotheBeyond, nil, Settings.Commons.DisplayStyle.Trinkets, not Target:IsInRange(45)) then return "beacon_to_the_beyond items 14"; end
    end
  end
end

local function Ogcd()
  -- potion
  if Settings.Commons.Enabled.Potions then
    local PotionSelected = Everyone.PotionSelected()
    if PotionSelected and PotionSelected:IsReady() then
      if Cast(PotionSelected, nil, Settings.Commons.DisplayStyle.Potions) then return "potion ogcd 2"; end
    end
  end
  -- berserking
  if S.Berserking:IsCastable() then
    if Cast(S.Berserking, Settings.Commons.OffGCDasOffGCD.Racials) then return "berserking ogcd 4"; end
  end
  -- blood_fury
  if S.BloodFury:IsCastable() then
    if Cast(S.BloodFury, Settings.Commons.OffGCDasOffGCD.Racials) then return "blood_fury ogcd 6"; end
  end
  -- fireblood
  if S.Fireblood:IsCastable() then
    if Cast(S.Fireblood, Settings.Commons.OffGCDasOffGCD.Racials) then return "fireblood ogcd 8"; end
  end
end

--- ======= ACTION LISTS =======
local function APL()
  -- Update Enemy Counts
  if AoEON() then
    Enemies8ySplash = Target:GetEnemiesInSplashRange(8)
    EnemiesCount8ySplash = Target:GetEnemiesInSplashRangeCount(8)
    Enemies40y = Player:GetEnemiesInRange(40)
  else
    Enemies8ySplash = {}
    EnemiesCount8ySplash = 1
    Enemies40y = {}
  end

  -- Update Demonology-specific Tables
  Warlock.UpdatePetTable()
  Warlock.UpdateSoulShards()

  if Everyone.TargetIsValid() or Player:AffectingCombat() then
    -- Calculate fight_remains
    BossFightRemains = HL.BossFightRemains(nil, true)
    FightRemains = BossFightRemains
    if FightRemains == 11111 then
      FightRemains = HL.FightRemains(Enemies8ySplash, false)
    end

    -- Update CombatTime, which is used in many spell suggestions
    CombatTime = HL.CombatTime()
  end

  -- summon_pet
  if S.SummonPet:IsCastable() and not (Player:IsMounted() or Player:IsInVehicle()) then
    if Cast(S.SummonPet, Settings.Demonology.GCDasOffGCD.SummonPet) then return "summon_pet ooc"; end
  end

  if Everyone.TargetIsValid() then
    -- call precombat
    if not Player:AffectingCombat() and not Player:IsCasting(S.Demonbolt) then
      local ShouldReturn = Precombat(); if ShouldReturn then return ShouldReturn; end
    end
    -- Interrupts
    if S.SpellLock:IsAvailable() then
      local ShouldReturn = Everyone.Interrupt(40, S.SpellLock, Settings.Commons.OffGCDasOffGCD.SpellLock, StunInterrupts); if ShouldReturn then return ShouldReturn; end
    end
    -- Manually added: unending_resolve
    if S.UnendingResolve:IsReady() and (Player:HealthPercentage() < Settings.Demonology.UnendingResolveHP) then
      if Cast(S.UnendingResolve, Settings.Demonology.OffGCDasOffGCD.UnendingResolve) then return "unending_resolve defensive"; end
    end
    -- call_action_list,name=variables
    Variables()
    -- call_action_list,name=tyrant,if=talent.summon_demonic_tyrant&(time-variable.next_tyrant)<=(variable.tyrant_prep_start+2)&cooldown.summon_demonic_tyrant.up&variable.np_condition
    -- Note: Reversed VarNextTyrant and CombatTime in the calculation, as otherwise the condition was never true after the initial Tyrant.
    if CDsON() and S.SummonDemonicTyrant:IsAvailable() and (VarNextTyrant - CombatTime) <= (VarTyrantPrepStart + 2) and S.SummonDemonicTyrant:CooldownUp() and VarNPCondition then
      local ShouldReturn = Tyrant(); if ShouldReturn then return ShouldReturn; end
    end
    -- call_action_list,name=tyrant,if=talent.summon_demonic_tyrant&(variable.tyrant_cd<=variable.tyrant_prep_start|cooldown.summon_demonic_tyrant.up&(buff.power_infusion.up|buff.nether_portal.up))&variable.np_condition
    if CDsON() and S.SummonDemonicTyrant:IsAvailable() and (S.SummonDemonicTyrant:CooldownUp() and (Player:BuffUp(S.PowerInfusionBuff) or Player:BuffUp(S.NetherPortalBuff))) and VarNPCondition then
      local ShouldReturn = Tyrant(); if ShouldReturn then return ShouldReturn; end
    end
    -- invoke_external_buff,name=power_infusion,if=!talent.nether_portal&!talent.summon_demonic_tyrant|time_to_die<25|(buff.tyrant.up&variable.shadow_timings)
    -- Note: Not handling external buffs
    -- implosion,if=time_to_die<2*gcd
    if S.Implosion:IsReady() and (FightRemains < 2 * Player:GCD()) then
      if Cast(S.Implosion, Settings.Demonology.GCDasOffGCD.Implosion, nil, not Target:IsSpellInRange(S.Implosion)) then return "implosion main 2"; end
    end
    -- nether_portal,if=!talent.summon_demonic_tyrant&soul_shard>2|time_to_die<30
    if CDsON() and S.NetherPortal:IsReady() and ((not S.SummonDemonicTyrant:IsAvailable()) and (Player:SoulShardsP() > 2) or FightRemains < 30) then
      if Cast(S.NetherPortal, Settings.Demonology.GCDasOffGCD.NetherPortal) then return "nether_portal main 4"; end
    end
    -- call_action_list,name=items
    if Settings.Commons.Enabled.Trinkets or Settings.Commons.Enabled.Items then
      local ShouldReturn = Items(); if ShouldReturn then return ShouldReturn; end
    end
    -- call_action_list,name=ogcd,if=buff.demonic_power.up|!talent.summon_demonic_tyrant&(buff.nether_portal.up|!talent.nether_portal)
    if CDsON() and (Player:BuffUp(S.DemonicPowerBuff) or (not S.SummonDemonicTyrant:IsAvailable()) and (Player:BuffUp(S.NetherPortalBuff) or not S.NetherPortal:IsAvailable())) then
      local ShouldReturn = Ogcd(); if ShouldReturn then return ShouldReturn; end
    end
    -- hand_of_guldan,if=buff.nether_portal.remains>cast_time
    if S.HandofGuldan:IsReady() and (Player:BuffRemains(S.NetherPortalBuff) > S.HandofGuldan:CastTime()) then
      if Cast(S.HandofGuldan, nil, nil, not Target:IsSpellInRange(S.HandofGuldan)) then return "hand_of_guldan main 6"; end
    end
    -- call_dreadstalkers,if=variable.tyrant_cd>cooldown+8*variable.shadow_timings
    if S.CallDreadstalkers:IsReady() and (VarTyrantCD > 20 + 8 * VarShadowTimings) then
      if Cast(S.CallDreadstalkers, nil, nil, not Target:IsSpellInRange(S.CallDreadstalkers)) then return "call_dreadstalkers main 8"; end
    end
    -- call_dreadstalkers,if=!talent.summon_demonic_tyrant|time_to_die<14
    if S.CallDreadstalkers:IsReady() and ((not S.SummonDemonicTyrant:IsAvailable()) or FightRemains < 14) then
      if Cast(S.CallDreadstalkers, nil, nil, not Target:IsSpellInRange(S.CallDreadstalkers)) then return "call_dreadstalkers main 10"; end
    end
    -- grimoire_felguard,if=!talent.summon_demonic_tyrant|time_to_die<cooldown.summon_demonic_tyrant.remains_expected
    if CDsON() and S.GrimoireFelguard:IsReady() and ((not S.SummonDemonicTyrant:IsAvailable()) or FightRemains < S.SummonDemonicTyrant:CooldownRemains()) then
      if Cast(S.GrimoireFelguard, Settings.Demonology.GCDasOffGCD.GrimoireFelguard, nil, not Target:IsSpellInRange(S.GrimoireFelguard)) then return "grimoire_felguard main 12"; end
    end
    -- summon_vilefiend,if=!talent.summon_demonic_tyrant|variable.tyrant_cd>cooldown+variable.tyrant_prep_start|time_to_die<cooldown.summon_demonic_tyrant.remains_expected
    if S.SummonVilefiend:IsReady() and ((not S.SummonDemonicTyrant:IsAvailable()) or VarTyrantCD > 45 + VarTyrantPrepStart or FightRemains < S.SummonDemonicTyrant:CooldownRemains()) then
      if Cast(S.SummonVilefiend) then return "summon_vilefiend main 14"; end
    end
    -- guillotine,if=cooldown.demonic_strength.remains
    -- Added check to make sure that we're not suggesting this during pet's Felstorm or Demonic Strength
    if S.Guillotine:IsReady() and S.Felstorm:CooldownRemains() < 30 - S.Felstorm:TickTime() * 5 and S.DemonicStrength:TimeSinceLastCast() > S.Felstorm:TickTime() * 5 and (S.DemonicStrength:CooldownDown() or not S.DemonicStrength:IsAvailable()) then
      if Cast(S.Guillotine, nil, nil, not Target:IsInRange(40)) then return "guillotine main 16"; end
    end
    -- demonic_strength
    -- Added check to make sure that we're not suggesting this during pet's Felstorm or Guillotine
    if CDsON() and S.DemonicStrength:IsReady() and S.Felstorm:CooldownRemains() < S.Felstorm:TickTime() * 5 and S.Guillotine:TimeSinceLastCast() >= 8 then
      if Cast(S.DemonicStrength, Settings.Demonology.GCDasOffGCD.DemonicStrength) then return "demonic_strength main 18"; end
    end
    -- bilescourge_bombers,if=!pet.demonic_tyrant.active
    if S.BilescourgeBombers:IsReady() and (DemonicTyrantTime() == 0) then
      if Cast(S.BilescourgeBombers, nil, nil, not Target:IsInRange(40)) then return "bilescourge_bombers main 20"; end
    end
    -- shadow_bolt,if=soul_shard<5&talent.fel_covenant&buff.fel_covenant.remains<5
    if S.ShadowBolt:IsCastable() and (Player:SoulShardsP() < 5 and S.FelCovenant:IsAvailable() and Player:BuffRemains(S.FelCovenantBuff) < 5) then
      if Cast(S.ShadowBolt, nil, nil, not Target:IsSpellInRange(S.ShadowBolt)) then return "shadow_bolt main 22"; end
    end
    -- implosion,if=two_cast_imps>0&buff.tyrant.down&active_enemies>1+(talent.sacrificed_souls.enabled)
    if S.Implosion:IsReady() and (CheckImpCasts(2) > 0 and DemonicTyrantTime() == 0 and EnemiesCount8ySplash > 1 + num(S.SacrificedSouls:IsAvailable())) then
      if Cast(S.Implosion, Settings.Demonology.GCDasOffGCD.Implosion, nil, not Target:IsInRange(40)) then return "implosion main 24"; end
    end
    -- implosion,if=buff.wild_imps.stack>9&buff.tyrant.up&active_enemies>2+(1*talent.sacrificed_souls.enabled)&cooldown.call_dreadstalkers.remains>17&talent.the_expendables
    if S.Implosion:IsReady() and (WildImpsCount() > 9 and DemonicTyrantTime() > 0 and EnemiesCount8ySplash > 2 + num(S.SacrificedSouls:IsAvailable()) and S.CallDreadstalkers:CooldownRemains() > 17 and S.TheExpendables:IsAvailable()) then
      if Cast(S.Implosion, Settings.Demonology.GCDasOffGCD.Implosion, nil, not Target:IsInRange(40)) then return "implosion main 26"; end
    end
    -- implosion,if=active_enemies=1&last_cast_imps>0&buff.tyrant.down&talent.imp_gang_boss.enabled&!talent.sacrificed_souls
    if S.Implosion:IsReady() and (EnemiesCount8ySplash == 1 and CheckImpCasts(1) > 0 and DemonicTyrantTime() == 0 and S.ImpGangBoss:IsAvailable() and not S.SacrificedSouls:IsAvailable()) then
      if Cast(S.Implosion, Settings.Demonology.GCDasOffGCD.Implosion, nil, not Target:IsInRange(40)) then return "implosion main 28"; end
    end
    -- soul_strike,if=soul_shard<5&active_enemies>1
    if S.SoulStrike:IsReady() and (Player:SoulShardsP() < 5 and EnemiesCount8ySplash > 1) then
      if Cast(S.SoulStrike, nil, nil, not Target:IsSpellInRange(S.SoulStrike)) then return "soul_strike main 30"; end
    end
    -- summon_soulkeeper,if=buff.tormented_soul.stack=10&active_enemies>1
    if S.SummonSoulkeeper:IsReady() and (S.SummonSoulkeeper:Count() == 10 and EnemiesCount8ySplash > 1) then
      if Cast(S.SummonSoulkeeper) then return "soul_strike main 32"; end
    end
    -- demonbolt,if=buff.demonic_core.react&soul_shard<4&variable.tyrant_cd>5
    if S.Demonbolt:IsReady() and (Player:BuffUp(S.DemonicCoreBuff) and Player:SoulShardsP() < 4 and VarTyrantCD > 5) then
      if Cast(S.Demonbolt, nil, nil, not Target:IsSpellInRange(S.Demonbolt)) then return "demonbolt main 34"; end
    end
    -- power_siphon,if=buff.demonic_core.stack<2&(buff.dreadstalkers.remains>gcd*3|buff.dreadstalkers.down)
    if S.PowerSiphon:IsReady() and (Player:BuffStack(S.DemonicCoreBuff) < 2 and (DreadstalkerTime() > Player:GCD() * 3 or DreadstalkerTime() == 0)) then
      if Cast(S.PowerSiphon, Settings.Demonology.GCDasOffGCD.PowerSiphon) then return "power_siphon main 36"; end
    end
    -- hand_of_guldan,if=soul_shard>2&(!talent.summon_demonic_tyrant|variable.tyrant_cd>variable.tyrant_prep_start+2)&(buff.demonic_calling.up|soul_shard>4|cooldown.call_dreadstalkers.remains>gcd)
    if S.HandofGuldan:IsReady() and (Player:SoulShardsP() > 2 and ((not S.SummonDemonicTyrant:IsAvailable()) or VarTyrantCD > VarTyrantPrepStart + 2 or not CDsON()) and (Player:BuffUp(S.DemonicCallingBuff) or Player:SoulShardsP() > 4 or S.CallDreadstalkers:CooldownRemains() > Player:GCD())) then
      if Cast(S.HandofGuldan, nil, nil, not Target:IsSpellInRange(S.HandofGuldan)) then return "hand_of_guldan main 38"; end
    end
    -- doom,target_if=refreshable
    if S.Doom:IsReady() then
      if Everyone.CastCycle(S.Doom, Enemies40y, EvaluateDoom, not Target:IsSpellInRange(S.Doom)) then return "doom main 40"; end
    end
    -- soul_strike,if=soul_shard<5
    if S.SoulStrike:IsReady() and (Player:SoulShardsP() < 5) then
      if Cast(S.SoulStrike, nil, nil, not Target:IsSpellInRange(S.SoulStrike)) then return "soul_strike main 42"; end
    end
    -- shadow_bolt
    if S.ShadowBolt:IsCastable() then
      if Cast(S.ShadowBolt, nil, nil, not Target:IsSpellInRange(S.ShadowBolt)) then return "shadow_bolt main 44"; end
    end
  end
end

local function Init()
  HR.Print("Demonology Warlock rotation is currently a work in progress, but has been updated for patch 10.1.0.")
end

HR.SetAPL(266, APL, Init)