local textures = {}

textures['Claw'] = 'Ability_Druid_Rake'
textures['Rip'] = 'Ability_GhoulFrenzy'
textures['Ferocious Bite'] = 'Ability_Druid_FerociousBite'
textures['Tiger\'s Fury'] = 'Ability_Mount_JungleTiger'


local function getTexture(spellName)
  if textures[spellName] ~= nil then
    return textures[spellName]
  end
  return false
end

local function getSlot(spellTexture)
  for i = 1, 120, 1 do
    if GetActionTexture(i) ~= nil then
      -- print(GetActionTexture(i))
      if (strfind(GetActionTexture(i), spellTexture)) then
        return i
      end
    end
  end
  return 0
end

local function isUsable(spellName)
  local spellTexture = getTexture(spellName)
  if spellTexture then
    local slot = getSlot(spellTexture)
    local usable, _ = IsUsableAction(slot)
    return usable
  else
    return false
  end
end

local function debuffIndex(spellTexture)
  for i = 1, 40 do
    local texturePath = UnitDebuff('target', i)
    if texturePath ~= nil and strfind(texturePath, spellTexture) then
      return i
    end
  end
  return 0
end

local function debuffStacks(spellName)
  local spellTexture = getTexture(spellName)
  if spellTexture then
    local _, stacks = UnitDebuff('target', debuffIndex(spellTexture))
    if stacks == nill then
      return 0
    else
      return stacks
    end
  else
    print(spellName)
    return false
  end
end

function onCooldown(spellName)
  local spellID = 1
  local name, _ = GetSpellName(spellID, 'BOOKTYPE_SPELL')
  while (name) do
    if spellName == name then
      if GetSpellCooldown(spellID, 'BOOKTYPE_SPELL') == 0 then
        return false
      else
        return true
      end
    end
    spellID = spellID + 1
    name, _ = GetSpellName(spellID, 'BOOKTYPE_SPELL')
  end
end

local function comboPoints()
  return GetComboPoints('player', 'target')
end

local function cast(spellName)
  CastSpellByName(spellName)
end

local function gt(percent, value, max)
  if value / max > percent / 100 then
    return true
  end
  return false
end

local function attack()
  if GetUnitName('target') == nil then
    TargetNearestEnemy()
    return
  else
    if UnitCanAttack('player', 'target') == nil then
      ClearTarget()
      return
    elseif UnitIsDead('target') == 1 then
      ClearTarget()
      return
    elseif UnitIsPlayer('target') == 1 then
      ClearTarget()
      return
    end

    local mana = UnitMana('player')
    local health = UnitHealth('player')

    if (not PlayerFrame.inCombat) then
      AttackTarget()
    else
      if isUsable('Tiger\'s Fury') and not buffed('Tiger\'s Fury', 'player') then
        cast('Tiger\'s Fury')
      elseif isUsable('Ferocious Bite') and comboPoints() > 1 then
        cast('Ferocious Bite')
      -- elseif isUsable('Rip') and comboPoints() > 0 and not buffed('Rip', 'target') then
      --   cast('Rip')
      elseif isUsable('Claw') then
        cast('Claw')
      -- elseif isUsable('Blood Fury') and not onCooldown('Blood Fury') then
      --   cast('Blood Fury')
      -- elseif not IsAutoRepeatAction(47) then
      --   cast('Auto Shot')
      -- elseif isUsable('Multi-Shot') and not onCooldown('Multi-Shot') then
      --   cast('Multi-Shot')
      -- elseif isUsable('Steady Shot') and not onCooldown('Steady Shot') then
      --     cast('Steady Shot')
      -- elseif isUsable('Baited Shot') and not onCooldown('Baited Shot') then
      --   cast('Baited Shot')
      -- elseif isUsable('Kill Command') and not onCooldown('Kill Command') then
      --   cast('Kill Command')
      -- elseif isUsable('Arcane Shot') and not onCooldown('Arcane Shot') then
      --   cast('Arcane Shot(Rank 1)')
        -- elseif isUsable('Serpent Sting') and not buffed('Serpent Sting', 'target') and
        --   healthGtThan(25, UnitHealth('target'), UnitHealthMax('target')) then
        --   cast('Serpent Sting')
      -- elseif isUsable('Concussive Shot') and not onCooldown('Concussive Shot') then
      --   cast('Concussive Shot')
      end
    end
  end
end

function obd_onLoad()
  SlashCmdList['OBD'] = attack
  SLASH_OBD1 = '/obd_lvl'
end