pfUI:RegisterModule("target", function ()
    -- Hide Blizzard target frame and unregister all events to prevent it from popping up again
  TargetFrame:Hide()
  TargetFrame:UnregisterAllEvents()

  -- Hide Blizzard combo point frame and unregister all events to prevent it from popping up again
  ComboFrame:Hide()
  ComboFrame:UnregisterAllEvents()

  pfUI.uf.target = CreateFrame("Button","pfTarget",UIParent)
  pfUI.uf.target:Hide()
  pfUI.uf.target:RegisterEvent("PLAYER_TARGET_CHANGED")
  pfUI.uf.target:SetScript("OnEvent", function()
      if UnitExists("target") then
        pfUI.uf.target:Show()
      else
        pfUI.uf.target:Hide()
      end
    end)
  pfUI.uf.target:SetWidth(pfUI_config.unitframes.target.width)
  pfUI.uf.target:SetHeight(pfUI_config.unitframes.target.height+pfUI_config.unitframes.target.pheight)
  pfUI.uf.target:SetPoint("BOTTOMLEFT", UIParent, "BOTTOM", 75, 125)
  pfUI.utils:loadPosition(pfUI.uf.target)


  pfUI.uf.target:RegisterForClicks('LeftButtonUp', 'RightButtonUp')
  pfUI.uf.target:SetScript("OnClick", function ()
      if arg1 == "RightButton" then
        ToggleDropDownMenu(1, nil, TargetFrameDropDown, "cursor")
      end
    end)

  pfUI.uf.target:RegisterEvent("PLAYER_ENTERING_WORLD")
  pfUI.uf.target:RegisterEvent("PLAYER_TARGET_CHANGED")
  pfUI.uf.target:RegisterEvent("UNIT_HEALTH")
  pfUI.uf.target:RegisterEvent("UNIT_MAXHEALTH")
  pfUI.uf.target:RegisterEvent("UNIT_DISPLAYPOWER")
  pfUI.uf.target:RegisterEvent("UNIT_MANA")
  pfUI.uf.target:RegisterEvent("UNIT_MAXMANA")
  pfUI.uf.target:RegisterEvent("UNIT_RAGE")
  pfUI.uf.target:RegisterEvent("UNIT_MAXRAGE")
  pfUI.uf.target:RegisterEvent("UNIT_ENERGY")
  pfUI.uf.target:RegisterEvent("UNIT_MAXENERGY")

  pfUI.uf.target:SetScript("OnEvent", function()
      if UnitExists("target") then pfUI.uf.target:Show() else
        pfUI.uf.target:Hide()
        return
      end

      if event == "PLAYER_TARGET_CHANGED" or event == "PLAYER_ENTERING_WORLD" then
        pfUI.uf.target.power.bar:SetValue(0)
        pfUI.uf.target.hp.bar:SetValue(0)
      end

      local hp, hpmax
      if MobHealth3 then
        hp, hpmax = MobHealth3:GetUnitHealth("target")
      else
        hp, hpmax = UnitHealth("target"), UnitHealthMax("target")
      end
      local power, powermax = UnitMana("target"), UnitManaMax("target")

      if hp ~= hpmax and hpmax ~= 100 then
        pfUI.uf.target.hpText:SetText( hp .. " - " .. ceil(hp / hpmax * 100) .. "%")
      else
        pfUI.uf.target.hpText:SetText( hp)
      end

      local color
      if UnitIsPlayer("target") then
        _, class = UnitClass("target")
        color = RAID_CLASS_COLORS[class]
      else
        color = UnitReactionColor[UnitReaction("target", "player")]
      end
      local r, g, b = (color.r + .5) * .5, (color.g + .5) * .5, (color.b + .5) * .5

      pfUI.uf.target.hp.bar:SetMinMaxValues(0, hpmax)
      pfUI.uf.target.hp.bar:SetStatusBarColor(r, g, b, hp / hpmax / 4 + .75)
      pfUI.uf.target.powerText:SetTextColor(r, g, b, 1)

      local perc = hp / hpmax
      local r1, g1, b1, r2, g2, b2
      if perc <= 0.5 then
        perc = perc * 2; r1, g1, b1 = .9, .5, .5; r2, g2, b2 = .9, .9, .5
      else
        perc = perc * 2 - 1; r1, g1, b1 = .9, .9, .5; r2, g2, b2 = .5, .9, .5
      end
      local r, g, b = r1 + (r2 - r1)*perc, g1 + (g2 - g1)*perc, b1 + (b2 - b1)*perc
      pfUI.uf.target.hpText:SetTextColor(r, g, b,1)

      local leveldiff = UnitLevel("player") - UnitLevel("target")
      local levelcolor
      if leveldiff >= 9 then
        levelcolor = "555555"
      elseif leveldiff >= 3 then
        levelcolor = "55ff55"
      elseif leveldiff >= -2 then
        levelcolor = "aaff55"
      elseif leveldiff >= -4 then
        levelcolor = "ffaa55"
      else
        levelcolor = "ff5555"
      end

      local name = string.sub(UnitName("target"),1,25)
      if strlen(UnitName("target")) > 25 then
        name = name .. "..."
      end

      local level = UnitLevel("target")
      if level == -1 then level = "??" end

      if UnitClassification("target") == "worldboss" then
        level = level .. "B"
      elseif UnitClassification("target") == "rareelite" then
        level = level .. "R+"
      elseif UnitClassification("target") == "elite" then
        level = level .. "+"
      elseif UnitClassification("target") == "rare" then
        level = level .. "R"
      end

      pfUI.uf.target.powerText:SetText( "|cff" .. levelcolor .. level .. "|r " .. name)

      PowerColor = ManaBarColor[UnitPowerType("target")];
      pfUI.uf.target.power.bar:SetStatusBarColor(PowerColor.r + .5, PowerColor.g +.5, PowerColor.b +.5, 1)
      pfUI.uf.target.power.bar:SetMinMaxValues(0, UnitManaMax("target"))

      pfUI.uf.target.hpReal = hp
      pfUI.uf.target.powerReal = power
    end)

  pfUI.uf.target:SetScript("OnUpdate", function()
      if not UnitExists("target") then return end

      local hpDisplay = pfUI.uf.target.hp.bar:GetValue()
      local hpReal = pfUI.uf.target.hpReal
      local hpDiff = abs(hpReal - hpDisplay)

      if hpDisplay < hpReal then
        pfUI.uf.target.hp.bar:SetValue(hpDisplay + ceil(hpDiff / pfUI_config.unitframes.animation_speed))
      elseif hpDisplay > hpReal then
        pfUI.uf.target.hp.bar:SetValue(hpDisplay - ceil(hpDiff / pfUI_config.unitframes.animation_speed))
      end

      local powerDisplay = pfUI.uf.target.power.bar:GetValue()
      local powerReal = pfUI.uf.target.powerReal
      local powerDiff = abs(powerReal - powerDisplay)

      if powerDisplay < powerReal then
        pfUI.uf.target.power.bar:SetValue(powerDisplay + ceil(powerDiff / pfUI_config.unitframes.animation_speed))
      elseif powerDisplay > powerReal then
        pfUI.uf.target.power.bar:SetValue(powerDisplay - ceil(powerDiff / pfUI_config.unitframes.animation_speed))
      end
    end)

  pfUI.uf.target.hp = CreateFrame("Frame",nil, pfUI.uf.target)
  pfUI.uf.target.hp:SetBackdrop(pfUI.backdrop)
  pfUI.uf.target.hp:SetHeight(pfUI_config.unitframes.target.height)
  pfUI.uf.target.hp:SetPoint("TOPLEFT",pfUI.uf.target,"TOPLEFT")
  pfUI.uf.target.hp:SetPoint("TOPRIGHT",pfUI.uf.target,"TOPRIGHT")

  pfUI.uf.target.hp.bar = CreateFrame("StatusBar", nil, pfUI.uf.target.hp)
  pfUI.uf.target.hp.bar:SetStatusBarTexture("Interface\\AddOns\\pfUI\\img\\bar")

  pfUI.uf.target.hp.bar:ClearAllPoints()
  pfUI.uf.target.hp.bar:SetPoint("TOPLEFT", pfUI.uf.target.hp, "TOPLEFT", 3, -3)
  pfUI.uf.target.hp.bar:SetPoint("BOTTOMRIGHT", pfUI.uf.target.hp, "BOTTOMRIGHT", -3, 3)

  pfUI.uf.target.hp.bar:SetMinMaxValues(0, 100)
  pfUI.uf.target.hp.bar:SetValue(100)

  if pfUI_config.unitframes.portrait == "1" then
    pfUI.uf.target.hp.bar.portrait = CreateFrame("PlayerModel",nil,pfUI.uf.target.hp.bar)
    pfUI.uf.target.hp.bar.portrait:SetAllPoints(pfUI.uf.target.hp.bar)
    pfUI.uf.target.hp.bar.portrait:RegisterEvent("UNIT_PORTRAIT_UPDATE")
    pfUI.uf.target.hp.bar.portrait:RegisterEvent("UNIT_MODEL_CHANGED")
    pfUI.uf.target.hp.bar.portrait:RegisterEvent("PLAYER_ENTERING_WORLD")
    pfUI.uf.target.hp.bar.portrait:RegisterEvent("PLAYER_TARGET_CHANGED")

    pfUI.uf.target.hp.bar.portrait:SetScript("OnEvent", function() this:Update() end)
    pfUI.uf.target.hp.bar.portrait:SetScript("OnShow", function() this:Update() end)

    function pfUI.uf.target.hp.bar.portrait.Update()
      pfUI.uf.target.hp.bar.portrait:SetUnit("target");
      pfUI.uf.target.hp.bar.portrait:SetCamera(0)
      pfUI.uf.target.hp.bar.portrait:SetAlpha(0.10)
    end
  end

  pfUI.uf.target.power = CreateFrame("Frame",nil, pfUI.uf.target)

  pfUI.uf.target.power:SetBackdrop(pfUI.backdrop)
  pfUI.uf.target.power:SetPoint("TOPLEFT",pfUI.uf.target.hp,"BOTTOMLEFT",0,3)
  pfUI.uf.target.power:SetPoint("BOTTOMRIGHT",pfUI.uf.target,"BOTTOMRIGHT",0,0)

  pfUI.uf.target.power.bar = CreateFrame("StatusBar", nil, pfUI.uf.target.power)
  pfUI.uf.target.power.bar:ClearAllPoints()
  pfUI.uf.target.power.bar:SetPoint("TOPLEFT", pfUI.uf.target.power, "TOPLEFT", 3, -3)
  pfUI.uf.target.power.bar:SetPoint("BOTTOMRIGHT", pfUI.uf.target.power, "BOTTOMRIGHT", -3, 3)
  pfUI.uf.target.power.bar:SetStatusBarTexture("Interface\\AddOns\\pfUI\\img\\bar")

  pfUI.uf.target.power.bar:SetBackdropColor(0,0,0,1)
  pfUI.uf.target.power.bar:SetStatusBarColor(0,0,0)
  pfUI.uf.target.power.bar:SetMinMaxValues(0, 100)
  pfUI.uf.target.power.bar:SetValue(100)

  pfUI.uf.target.hpText = pfUI.uf.target:CreateFontString("Status", "HIGH", "GameFontNormal")
  pfUI.uf.target.hpText:SetFont("Interface\\AddOns\\pfUI\\fonts\\homespun.ttf", 10, "OUTLINE")
  pfUI.uf.target.hpText:ClearAllPoints()
  pfUI.uf.target.hpText:SetParent(pfUI.uf.target.hp.bar)
  pfUI.uf.target.hpText:SetPoint("RIGHT",pfUI.uf.target.hp.bar, "RIGHT", -10, 0)
  pfUI.uf.target.hpText:SetJustifyH("RIGHT")
  pfUI.uf.target.hpText:SetFontObject(GameFontWhite)
  pfUI.uf.target.hpText:SetText("5000")

  pfUI.uf.target.powerText = pfUI.uf.target:CreateFontString("Status", "HIGH", "GameFontNormal")
  pfUI.uf.target.powerText:SetFont("Interface\\AddOns\\pfUI\\fonts\\homespun.ttf", 10, "OUTLINE")
  pfUI.uf.target.powerText:ClearAllPoints()
  pfUI.uf.target.powerText:SetParent(pfUI.uf.target.hp.bar)
  pfUI.uf.target.powerText:SetPoint("LEFT",pfUI.uf.target.hp.bar, "LEFT", 10, 0)
  pfUI.uf.target.powerText:SetJustifyH("LEFT")
  pfUI.uf.target.powerText:SetFontObject(GameFontWhite)
  pfUI.uf.target.powerText:SetText("5000")

  pfUI.uf.target.combopoints = CreateFrame("Frame")

  pfUI.uf.target.combopoints:RegisterEvent("UNIT_COMBO_POINTS")
  pfUI.uf.target.combopoints:RegisterEvent("PLAYER_COMBO_POINTS")
  pfUI.uf.target.combopoints:RegisterEvent("UNIT_DISPLAYPOWER")
  pfUI.uf.target.combopoints:RegisterEvent("PLAYER_TARGET_CHANGED")
  pfUI.uf.target.combopoints:RegisterEvent('UNIT_ENERGY');
  pfUI.uf.target.combopoints:RegisterEvent("PLAYER_ENTERING_WORLD")

  pfUI.uf.target.combopoint1 = CreateFrame("Frame")
  pfUI.uf.target.combopoint2 = CreateFrame("Frame")
  pfUI.uf.target.combopoint3 = CreateFrame("Frame")
  pfUI.uf.target.combopoint4 = CreateFrame("Frame")
  pfUI.uf.target.combopoint5 = CreateFrame("Frame")

  pfUI.uf.target.combopoints:SetScript("OnEvent", function()
      if event == "PLAYER_ENTERING_WORLD" then
        for point=1, 5 do
          pfUI.uf.target["combopoint" .. point]:SetFrameStrata("HIGH")
          pfUI.uf.target["combopoint" .. point]:SetWidth(12)
          pfUI.uf.target["combopoint" .. point]:SetHeight(12)
          pfUI.uf.target["combopoint" .. point]:SetBackdrop({
              bgFile = "Interface\\AddOns\\pfUI\\img\\bar", tile = true, tileSize = 8,
              edgeFile = "Interface\\AddOns\\pfUI\\img\\border", edgeSize = 8,
              insets = {left = 0, right = 0, top = 0, bottom = 0},
            })
          pfUI.uf.target["combopoint" .. point]:SetPoint("TOPLEFT", pfUI.uf.target, "TOPRIGHT", 3, -(point - 1) * 13)

          if point < 3 then
            pfUI.uf.target["combopoint" .. point]:SetBackdropColor(1, .3, .3, .75)
          elseif point < 4 then
            pfUI.uf.target["combopoint" .. point]:SetBackdropColor(1, 1, .3, .75)
          else
            pfUI.uf.target["combopoint" .. point]:SetBackdropColor(.3, 1, .3, .75)
          end
          pfUI.uf.target["combopoint" .. point]:Hide()
        end
      else
        local combopoints = GetComboPoints("target")
        for point=1, 5 do
          pfUI.uf.target["combopoint" .. point]:Hide()
        end
        for point=1, combopoints do
          pfUI.uf.target["combopoint" .. point]:Show()
        end
      end
    end)

  pfUI.uf.target.buff = CreateFrame("Frame", nil)
  pfUI.uf.target.buff:RegisterEvent("PLAYER_AURAS_CHANGED")
  pfUI.uf.target.buff:RegisterEvent("PLAYER_AURAS_CHANGED")
  pfUI.uf.target.buff:RegisterEvent("PLAYER_TARGET_CHANGED")
  pfUI.uf.target.buff:RegisterEvent("UNIT_AURA")
  pfUI.uf.target.buff:SetScript("OnEvent", function()
      pfUI.uf.target.buff.RefreshBuffs()
    end)

  pfUI.uf.target.buff.buffs = {}
  for i=1, 16 do
    local id = i
    local row = 0
    if i <= 8 then row = 0 else row = 1 end

    pfUI.uf.target.buff.buffs[i] = CreateFrame("Button", "pfUITargetBuff" .. i, pfUI.uf.target)
    pfUI.uf.target.buff.buffs[i].stacks = pfUI.uf.target.buff.buffs[i]:CreateFontString(nil, "OVERLAY", pfUI.uf.target.buff.buffs[i])
    pfUI.uf.target.buff.buffs[i].stacks:SetFont("Interface\\AddOns\\pfUI\\fonts\\homespun.ttf", 10, "OUTLINE")
    pfUI.uf.target.buff.buffs[i].stacks:SetPoint("BOTTOMRIGHT", pfUI.uf.target.buff.buffs[i], 2, -2)
    pfUI.uf.target.buff.buffs[i].stacks:SetJustifyH("LEFT")
    pfUI.uf.target.buff.buffs[i].stacks:SetShadowColor(0, 0, 0)
    pfUI.uf.target.buff.buffs[i].stacks:SetShadowOffset(0.8, -0.8)
    pfUI.uf.target.buff.buffs[i].stacks:SetTextColor(1,1,.5)

    pfUI.uf.target.buff.buffs[i]:RegisterForClicks("RightButtonUp")
    pfUI.uf.target.buff.buffs[i]:ClearAllPoints()
    pfUI.uf.target.buff.buffs[i]:SetPoint("BOTTOMLEFT", pfUI.uf.target, "TOPLEFT", (i-8*row)*1 + (i-8*row)*pfUI_config.unitframes.buff_size - pfUI_config.unitframes.buff_size -1 , 1*row + pfUI_config.unitframes.buff_size*row +1)
    pfUI.uf.target.buff.buffs[i]:SetWidth(pfUI_config.unitframes.buff_size)
    pfUI.uf.target.buff.buffs[i]:SetHeight(pfUI_config.unitframes.buff_size)
    pfUI.uf.target.buff.buffs[i]:SetNormalTexture(nil)
    pfUI.uf.target.buff.buffs[i]:SetScript("OnEnter", function()
        GameTooltip:SetOwner(this, "ANCHOR_BOTTOMRIGHT")
        GameTooltip:SetUnitBuff("target", id)
      end)

    pfUI.uf.target.buff.buffs[i]:SetScript("OnLeave", function()
        GameTooltip:Hide()
      end)
  end

  function pfUI.uf.target.buff.RefreshBuffs()
    for i=1, 16 do
      local texture, stacks = UnitBuff("target",i)
      pfUI.uf.target.buff.buffs[i]:SetBackdrop(
        { bgFile = texture, tile = false, tileSize = pfUI_config.unitframes.buff_size,
          edgeFile = "Interface\\AddOns\\pfUI\\img\\border", edgeSize = 8,
          insets = { left = 0, right = 0, top = 0, bottom = 0}
        })

      if texture then
        pfUI.uf.target.buff.buffs[i]:Show()
        if stacks > 1 then
          pfUI.uf.target.buff.buffs[i].stacks:SetText(stacks)
        else
          pfUI.uf.target.buff.buffs[i].stacks:SetText("")
        end
      else
        pfUI.uf.target.buff.buffs[i]:Hide()
      end
    end
  end

  pfUI.uf.target.debuff = CreateFrame("Frame", nil)
  pfUI.uf.target.debuff:RegisterEvent("PLAYER_AURAS_CHANGED")
  pfUI.uf.target.debuff:RegisterEvent("PLAYER_TARGET_CHANGED")
  pfUI.uf.target.debuff:RegisterEvent("UNIT_AURA")
  pfUI.uf.target.debuff:SetScript("OnEvent", function()
      pfUI.uf.target.debuff.RefreshBuffs()
    end)

  pfUI.uf.target.debuff.debuffs = {}
  for i=1, 16 do
    local id = i
    pfUI.uf.target.debuff.debuffs[i] = CreateFrame("Button", "pfUITargetDebuff" .. i, pfUI.uf.target)
    pfUI.uf.target.debuff.debuffs[i].stacks = pfUI.uf.target.debuff.debuffs[i]:CreateFontString(nil, "OVERLAY", pfUI.uf.target.debuff.debuffs[i])
    pfUI.uf.target.debuff.debuffs[i].stacks:SetFont("Interface\\AddOns\\pfUI\\fonts\\homespun.ttf", 10, "OUTLINE")
    pfUI.uf.target.debuff.debuffs[i].stacks:SetPoint("BOTTOMRIGHT", pfUI.uf.target.debuff.debuffs[i], 2, -2)
    pfUI.uf.target.debuff.debuffs[i].stacks:SetJustifyH("LEFT")
    pfUI.uf.target.debuff.debuffs[i].stacks:SetShadowColor(0, 0, 0)
    pfUI.uf.target.debuff.debuffs[i].stacks:SetShadowOffset(0.8, -0.8)
    pfUI.uf.target.debuff.debuffs[i].stacks:SetTextColor(1,1,.5)
    pfUI.uf.target.debuff.debuffs[i]:RegisterForClicks("RightButtonUp")
    pfUI.uf.target.debuff.debuffs[i]:ClearAllPoints()

    local row = 0;
    local top = 0;
    if i > 8 then row = 1 end
    if pfUI.uf.target.buff.buffs[1]:IsShown() then top = top + 1 end
    if pfUI.uf.target.buff.buffs[9]:IsShown() then top = top + 1 end

    pfUI.uf.target.debuff.debuffs[i]:SetPoint("BOTTOMLEFT", pfUI.uf.target, "TOPLEFT",
      (i-8*row)*1 + (i-8*row)*pfUI_config.unitframes.debuff_size - pfUI_config.unitframes.debuff_size -1 ,
      1*row + pfUI_config.unitframes.debuff_size*row +1 + (top*(pfUI_config.unitframes.debuff_size+1))
    )

    pfUI.uf.target.debuff.debuffs[i]:SetWidth(pfUI_config.unitframes.debuff_size)
    pfUI.uf.target.debuff.debuffs[i]:SetHeight(pfUI_config.unitframes.debuff_size)
    pfUI.uf.target.debuff.debuffs[i]:SetNormalTexture(nil)
    pfUI.uf.target.debuff.debuffs[i]:SetScript("OnEnter", function()
        GameTooltip:SetOwner(this, "ANCHOR_BOTTOMRIGHT")
        GameTooltip:SetUnitDebuff("target", id)
      end)
    pfUI.uf.target.debuff.debuffs[i]:SetScript("OnLeave", function()
        GameTooltip:Hide()
      end)
    pfUI.uf.target.debuff.debuffs[i]:SetScript("OnClick", function()
        CancelPlayerBuff(GetPlayerBuff(id-1,"HARMFUL"))
      end)
  end

  function pfUI.uf.target.debuff.RefreshBuffs()
    for i=1, 16 do
      local row = 0;
      local top = 0;
      if i > 8 then row = 1 end
      if pfUI.uf.target.buff.buffs[1]:IsShown() then top = top + 1 end
      if pfUI.uf.target.buff.buffs[9]:IsShown() then top = top + 1 end

      pfUI.uf.target.debuff.debuffs[i]:SetPoint("BOTTOMLEFT", pfUI.uf.target, "TOPLEFT",
        (i-8*row)*1 + (i-8*row)*pfUI_config.unitframes.debuff_size - pfUI_config.unitframes.debuff_size -1 ,
        1*row + pfUI_config.unitframes.debuff_size*row +1 + (top*(pfUI_config.unitframes.debuff_size+1))
      )
      local texture, stacks = UnitDebuff("target",i)
      pfUI.uf.target.debuff.debuffs[i]:SetBackdrop(
        { bgFile = texture, tile = false, tileSize = pfUI_config.unitframes.debuff_size,
          edgeFile = "Interface\\AddOns\\pfUI\\img\\border_col", edgeSize = 8,
          insets = { left = 0, right = 0, top = 0, bottom = 0}
        })

      local _,_,dtype = UnitDebuff("target", i)
      if dtype == "Magic" then
        pfUI.uf.target.debuff.debuffs[i]:SetBackdropBorderColor(0,1,1,1)
      elseif dtype == "Poison" then
        pfUI.uf.target.debuff.debuffs[i]:SetBackdropBorderColor(0,1,0,1)
      elseif dtype == "Curse" then
        pfUI.uf.target.debuff.debuffs[i]:SetBackdropBorderColor(1,0,1,1)
      else
        pfUI.uf.target.debuff.debuffs[i]:SetBackdropBorderColor(1,0,0,1)
      end

      if texture then
        pfUI.uf.target.debuff.debuffs[i]:Show()
        if stacks > 1 then
          pfUI.uf.target.debuff.debuffs[i].stacks:SetText(stacks)
        else
          pfUI.uf.target.debuff.debuffs[i].stacks:SetText("")
        end
      else
        pfUI.uf.target.debuff.debuffs[i]:Hide()
      end
    end
  end
end)