--- ============================ HEADER ============================
--- ======= LOCALIZE =======
-- Addon
local addonName, addonTable = ...
-- HeroLib
local HL = HeroLib
local Cache, Utils = HeroCache, HL.Utils
local Unit = HL.Unit
local Player, Pet, Target = Unit.Player, Unit.Pet, Unit.Target
local Focus, MouseOver = Unit.Focus, Unit.MouseOver
local Arena, Boss, Nameplate = Unit.Arena, Unit.Boss, Unit.Nameplate
local Party, Raid = Unit.Party, Unit.Raid
local Spell = HL.Spell
local Item = HL.Item
-- HeroRotation
local HR = HeroRotation
local Rogue = HR.Commons.Rogue
-- Lua
local C_Timer = C_Timer
local mathmax = math.max
local mathmin = math.min
local mathabs = math.abs
local pairs = pairs
local tableinsert = table.insert
local UnitAttackSpeed = UnitAttackSpeed
local GetTime = GetTime
-- File Locals



--- ============================ CONTENT ============================

--- Roll the Bones Tracking
--- As buff is "hidden" from the client but we get apply/refresh events for it
do
  local RtBExpiryTime = GetTime()
  function Rogue.RtBRemains(BypassRecovery)
    local Remains = RtBExpiryTime - GetTime() - HL.RecoveryOffset(BypassRecovery)
    return Remains >= 0 and Remains or 0
  end

  HL:RegisterForSelfCombatEvent(
    function(_, _, _, _, _, _, _, _, _, _, _, SpellID)
      if SpellID == 315508 then
        RtBExpiryTime = GetTime() + 30
      end
    end,
    "SPELL_AURA_APPLIED"
  )
  HL:RegisterForSelfCombatEvent(
    function(_, _, _, _, _, _, _, _, _, _, _, SpellID)
      if SpellID == 315508 then
        RtBExpiryTime = GetTime() + mathmin(40, 30 + Rogue.RtBRemains(true))
      end
    end,
    "SPELL_AURA_REFRESH"
  )
  HL:RegisterForSelfCombatEvent(
    function(_, _, _, _, _, _, _, _, _, _, _, SpellID)
      if SpellID == 315508 then
        RtBExpiryTime = GetTime()
      end
    end,
    "SPELL_AURA_REMOVED"
  )
end

--- Exsanguinated Tracking
do
  -- Variables
  -- { [SpellName] = { [GUID] = boolean } }
  local ExsanguinatedByBleed = {
    CrimsonTempest = {},
    Garrote = {},
    Rupture = {},
  }

  -- Exsanguinated Expression
  function Rogue.Exsanguinated(ThisUnit, ThisSpell)
    local GUID = ThisUnit:GUID()
    if not GUID then return false end

    local SpellID = ThisSpell:ID()
    if SpellID == 121411 then
      -- Crimson Tempest
      return ExsanguinatedByBleed.CrimsonTempest[GUID] or false
    elseif SpellID == 703 then
      -- Garrote
      return ExsanguinatedByBleed.Garrote[GUID] or false
    elseif SpellID == 1943 then
      -- Rupture
      return ExsanguinatedByBleed.Rupture[GUID] or false
    end

    return false
  end

  function Rogue.WillLoseExsanguinate(ThisUnit, ThisSpell)
    if Rogue.Exsanguinated(ThisUnit, ThisSpell) then
      return true
    end

    return false
  end

  function Rogue.ExsanguinatedRate(ThisUnit, ThisSpell)
    if Rogue.Exsanguinated(ThisUnit, ThisSpell) then
      return 2.0
    end

    return 1.0
  end

  -- Exsanguinate OnCast Listener
  HL:RegisterForSelfCombatEvent(
    function(_, _, _, _, _, _, _, DestGUID, _, _, _, SpellID)
      -- Exsanguinate
      if SpellID == 200806 then
        for _, ExsanguinatedByGUID in pairs(ExsanguinatedByBleed) do
          for GUID, _ in pairs(ExsanguinatedByGUID) do
            if GUID == DestGUID then
              ExsanguinatedByGUID[GUID] = true
            end
          end
        end
      end
    end,
    "SPELL_CAST_SUCCESS"
  )
  -- Bleed OnApply/OnRefresh Listener
  HL:RegisterForSelfCombatEvent(
    function(_, _, _, _, _, _, _, DestGUID, _, _, _, SpellID)
      if SpellID == 121411 then
        -- Crimson Tempest
        ExsanguinatedByBleed.CrimsonTempest[DestGUID] = false
      elseif SpellID == 703 then
        -- Garrote
        ExsanguinatedByBleed.Garrote[DestGUID] = false
      elseif SpellID == 1943 then
        -- Rupture
        ExsanguinatedByBleed.Rupture[DestGUID] = false
      end
    end,
    "SPELL_AURA_APPLIED", "SPELL_AURA_REFRESH"
  )
  -- Bleed OnRemove Listener
  HL:RegisterForSelfCombatEvent(
    function(_, _, _, _, _, _, _, DestGUID, _, _, _, SpellID)
      if SpellID == 121411 then
        -- Crimson Tempest
        if ExsanguinatedByBleed.CrimsonTempest[DestGUID] ~= nil then
          ExsanguinatedByBleed.CrimsonTempest[DestGUID] = nil
        end
      elseif SpellID == 703 then
        -- Garrote
        if ExsanguinatedByBleed.Garrote[DestGUID] ~= nil then
          ExsanguinatedByBleed.Garrote[DestGUID] = nil
        end
      elseif SpellID == 1943 then
        -- Rupture
        if ExsanguinatedByBleed.Rupture[DestGUID] ~= nil then
          ExsanguinatedByBleed.Rupture[DestGUID] = nil
        end
      end
    end,
    "SPELL_AURA_REMOVED"
  )
  -- Bleed OnUnitDeath Listener
  HL:RegisterForCombatEvent(
    function(_, _, _, _, _, _, _, DestGUID)
      -- Crimson Tempest
      if ExsanguinatedByBleed.CrimsonTempest[DestGUID] ~= nil then
        ExsanguinatedByBleed.CrimsonTempest[DestGUID] = nil
      end
      -- Garrote
      if ExsanguinatedByBleed.Garrote[DestGUID] ~= nil then
        ExsanguinatedByBleed.Garrote[DestGUID] = nil
      end
      -- Rupture
      if ExsanguinatedByBleed.Rupture[DestGUID] ~= nil then
        ExsanguinatedByBleed.Rupture[DestGUID] = nil
      end
    end,
    "UNIT_DIED", "UNIT_DESTROYED"
  )
end

--- Fan the Hammer Tracking
do
  local OpportunityBuff = Spell(195627)
  local FanCP = 0
  local FanStart = GetTime()

  function Rogue.FanTheHammerCP()
    if (GetTime() - FanStart) < 0.5 and FanCP > 0 then
      if FanCP > Player:ComboPoints() then
        return FanCP
      else
        FanCP = 0
      end
    end

    return 0
  end

  -- Reset counter on energize
  HL:RegisterForSelfCombatEvent(
    function(_, _, _, _, _, _, _, _, _, _, _, SpellID, _, _, Amount, Over )
      if SpellID == 185763 then
        if (GetTime() - FanStart) > 0.5 then
          -- Subsequent Fan the Hammer procs are reduced by 1 CP
          FanCP = mathmin(Rogue.CPMaxSpend(), Player:ComboPoints() + Amount + (mathmax(0, Amount - 1) * mathmin(2, Player:BuffStack(OpportunityBuff) - 1)))
          FanStart = GetTime()
        end
      end
    end,
    "SPELL_ENERGIZE"
  )
end

--- Shuriken Tornado Tracking
do
  local LastEnergizeTime, LastCastTime = 0, 0
  local ShurikenTornadoBuff = Spell(277925)
  function Rogue.TimeToNextTornado()
    if not Player:BuffUp(ShurikenTornadoBuff, nil, true) then
      return 0
    end
    local TimeToNextTick = Player:BuffRemains(ShurikenTornadoBuff, nil, true) % 1
    -- Tick happened in the same tick, we may not have the CP gain yet
    if GetTime() == LastEnergizeTime then
      return 0
    -- Tick happened very recently, slightly before the predicted buff tick
    elseif (GetTime() - LastEnergizeTime) < 0.1 and TimeToNextTick < 0.25 then
      return 1
    -- Tick hasn't happened yet but the predicted buff tick has passed
    elseif (TimeToNextTick > 0.9 or TimeToNextTick == 0) and (GetTime() - LastEnergizeTime) > 0.75 then
      return 0.1
    end
    return TimeToNextTick
  end

  HL:RegisterForSelfCombatEvent(
    function(_, _, _, _, _, _, _, _, _, _, _, SpellID)
      -- Shuriken Storm Energize
      if SpellID == 212743 then
        LastEnergizeTime = GetTime()
      -- Actual Shuriken Storm Cast
      elseif SpellID == 197835 then
        LastCastTime = GetTime()
      end
      -- If the player casts an actual Shuriken Storm, this value is no longer reliable
      if LastCastTime == LastEnergizeTime then
        LastEnergizeTime = 0
      end
    end,
    "SPELL_CAST_SUCCESS"
  )
end

--- Shadow Techniques Tracking
do
  -- Variables
  local ShadowTechniques = {
    Counter = 0,
    LastMH = 0,
    LastOH = 0,
  }
  -- Return Time to x-th auto attack since last proc
  function Rogue.TimeToSht(Hit)
    if ShadowTechniques.Counter >= Hit then
      return 0
    end

    local MHSpeed, OHSpeed = UnitAttackSpeed("player")
    -- Generate the base time to use, if we are out of range this is set to the current time
    local LastMH = mathmax(ShadowTechniques.LastMH + MHSpeed, GetTime())
    local LastOH = mathmax(ShadowTechniques.LastOH + OHSpeed, GetTime())

    local AATable = {}
    for i = 0, 2 do
      tableinsert(AATable, LastMH + i * MHSpeed)
      tableinsert(AATable, LastOH + i * OHSpeed)
    end
    table.sort(AATable)

    local HitInTable = mathmin(5, mathmax(1, Hit - ShadowTechniques.Counter))

    return AATable[HitInTable] - GetTime()
  end
  -- Reset on entering world
  HL:RegisterForSelfCombatEvent(
    function ()
      ShadowTechniques.Counter = 0
      ShadowTechniques.LastMH = GetTime()
      ShadowTechniques.LastOH = GetTime()
    end,
    "PLAYER_ENTERING_WORLD"
  )
  -- Reset counter on energize
  HL:RegisterForSelfCombatEvent(
    function(_, _, _, _, _, _, _, _, _, _, _, SpellID)
      -- Shadow Techniques
      if SpellID == 196911 then
        ShadowTechniques.Counter = 0
      end
    end,
    "SPELL_ENERGIZE"
  )
  -- Increment counter on successful swings
  HL:RegisterForSelfCombatEvent(
    function(_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, IsOffHand)
      ShadowTechniques.Counter = ShadowTechniques.Counter + 1
      if IsOffHand then
        ShadowTechniques.LastOH = GetTime()
      else
        ShadowTechniques.LastMH = GetTime()
      end
    end,
    "SWING_DAMAGE"
  )
  -- Remember timers on swing misses
  HL:RegisterForSelfCombatEvent(
    function(_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, IsOffHand)
      if IsOffHand then
        ShadowTechniques.LastOH = GetTime()
      else
        ShadowTechniques.LastMH = GetTime()
      end
    end,
    "SWING_MISSED"
  )
end

-- Base Crit Tracker (mainly for Outlaw)
do
  local BaseCritChance = Player:CritChancePct()
  local BaseCritChecksPending = 0
  local function UpdateBaseCrit()
    if not Player:AffectingCombat() then
      BaseCritChance = Player:CritChancePct()
      HL.Debug("Base Crit Set to: " .. BaseCritChance)
    end
    if BaseCritChecksPending == nil or BaseCritChecksPending < 0 then
      BaseCritChecksPending = 0
    else
      BaseCritChecksPending = BaseCritChecksPending - 1
    end
    if BaseCritChecksPending > 0 then
      C_Timer.After(3, UpdateBaseCrit)
    end
  end
  HL:RegisterForEvent(
    function ()
      if BaseCritChecksPending == 0 then
        C_Timer.After(3, UpdateBaseCrit)
        BaseCritChecksPending = 2
      end
    end,
    "PLAYER_EQUIPMENT_CHANGED"
  )

  function Rogue.BaseAttackCrit()
    return BaseCritChance
  end
end