local PetJournalEnhanced = LibStub("AceAddon-3.0"):GetAddon("PetJournalEnhanced")
local DropDown = PetJournalEnhanced:NewModule("DropDown")
local Config = PetJournalEnhanced:GetModule("Config")
local Sorting = PetJournalEnhanced:GetModule("Sorting")
local ASCENDING =  1
local DESCENDING = 2
local breedInfo = LibStub("LibPetBreedInfo-1.0")
-- local ZoneFiltering = PetJournalEnhanced:GetModule("ZoneFiltering")
local L =  LibStub("AceLocale-3.0"):GetLocale("PetJournalEnhanced")

-- luacheck: globals UIDropDownMenu_Initialize UIDropDownMenu_CreateInfo UIDropDownMenu_AddButton UIDROPDOWNMENU_MENU_VALUE
-- luacheck: globals UIDropDownMenu_Refresh UIDropDownMenu_EnableButton UIDropDownMenu_DisableButton

local FILTER_CURRENT_ZONE = L["Filter pets by current zone"]
local FILTER_BREED = L["Breed"]
local FILTER_SHOW_HIDDEN = L["Show player hidden pets"]
local FILTER_RESET_HIDDEN = L["Reset player hidden pets"]
local FILTER_SORTING = L["Sorting"]
local FILTER_RESET = L["Reset Filters"]
local FILTER_CAN_BATTLE = L["Can Battle"]
local FILTER_CANT_BATTLE = L["Can't Battle"]
local FILTER_CAN_TRADE = L["Can Trade"]
local FILTER_CANT_TRADE = L["Can't Trade"]
local FILTER_UNKNOWN_ZONE = L["Unknown Zone"]
local FILTER_SORT_FAVORITES = L["Sort favorites to the top"]
local FILTER_SORT_DIRECTION  = L["Sort Direction:"]
local FILTER_SORT_ASCENDING = L["Sort Ascending"]
local FILTER_SORT_DESCENDING = L["Sort Descending"]

local FILTER_SORT_ORDER = L["Sort Order:"]
local levelBrackets = {"1","2-10","11-20","21-24","25"}
local specializations = {
    L["Balanced"],
    FAST,
    L["Resilient"],
    L["Powerful"],
}

local sortTypes = {
    LEVEL,
    NAME,
    TYPE,
    RARITY,
    L["Highest Stat"],
}--,["Added to Pet Journal"]=SORT_PETID}

local FILTER_MENU_NAMES = {
    MISCELLANEOUS,
    LEVEL,
    L["Ability Type"],
    L["Zones"],
    QUALITY,
    SPECIALIZATION,
    L["Quantity"],
}

local FILTER_MENU_VALUES = {10, 11, 12, 3, 6, 4, 8}


local function CreateDropdownMenu(self, level)
    if level == 1 then
        --create check boxes
        local info = UIDropDownMenu_CreateInfo()
        info.keepShownOnClick = true
        info.text = COLLECTED
        info.func = function(_, _, _, value)
            C_PetJournal.SetFilterChecked(LE_PET_JOURNAL_FILTER_COLLECTED, value)
            if (value) then
                UIDropDownMenu_EnableButton(1, 2)
            else
                UIDropDownMenu_DisableButton(1, 2)
            end
            Sorting:UpdatePets()
        end
        info.checked = C_PetJournal.IsFilterChecked(LE_PET_JOURNAL_FILTER_COLLECTED)
        info.isNotRadio = true
        UIDropDownMenu_AddButton(info, level)

        info.text = FAVORITES_FILTER
        info.func = function(_, _, _, value)
            Sorting.filtering.favoritesOnly = value
            Sorting:UpdatePets()
        end
        info.checked = Sorting.filtering.favoritesOnly
        info.isNotRadio = true
        info.leftPadding = 16
        UIDropDownMenu_AddButton(info, level)

        info.leftPadding = 0
        info.disabled = nil

        info.text = NOT_COLLECTED
        info.func = function(_, _, _, value)
            C_PetJournal.SetFilterChecked(LE_PET_JOURNAL_FILTER_NOT_COLLECTED, value)
            Sorting:UpdatePets()
        end
        info.checked = C_PetJournal.IsFilterChecked(LE_PET_JOURNAL_FILTER_NOT_COLLECTED)
        info.isNotRadio = true
        UIDropDownMenu_AddButton(info, level)

        info.leftPadding = 0
        info.disabled = nil

        info.text = FILTER_CURRENT_ZONE
        info.func = function(_, _, _, value)
            Sorting.filtering.currentZone = not Sorting.filtering.currentZone
            Sorting:UpdatePets()
        end
        info.checked = function()
            return Sorting.filtering.currentZone
        end
        UIDropDownMenu_AddButton(info, level)

        --create sub menu headers
        info.checked = 	nil
        info.isNotRadio = nil
        info.func =  nil
        info.hasArrow = true
        info.notCheckable = true

        info.text = PET_FAMILIES
        info.value = 1
        UIDropDownMenu_AddButton(info, level)

        info.text = SOURCES
        info.value = 2
        UIDropDownMenu_AddButton(info, level)

        for i=1,#FILTER_MENU_NAMES do
            info.text = FILTER_MENU_NAMES[i]
            info.value = FILTER_MENU_VALUES[i]
            UIDropDownMenu_AddButton(info, level)
        end

        if Config.display.breedInfo then
            info.text = FILTER_BREED
            info.value = 9
            UIDropDownMenu_AddButton(info, level)
        end
        info.text = FILTER_SORTING
        info.value = 5
        UIDropDownMenu_AddButton(info, level)

        info.notCheckable = true
        info.text = FILTER_RESET
        info.value = 7
        info.func = function()
            Sorting:Reset()
        end
        UIDropDownMenu_AddButton(info, level)
    end

    if level == 2 then
        local info = UIDropDownMenu_CreateInfo()
        info.keepShownOnClick = true

        if Config.display.breedInfo and UIDROPDOWNMENU_MENU_VALUE == 9 then --breed filter
            info.notCheckable = true
            info.text = CHECK_ALL
            info.func = function()
                for i=1,#Sorting.filtering.breed do
                    Sorting.filtering.breed[i] = true
                end
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            info.text = UNCHECK_ALL
            info.func = function()
                for i=1,#Sorting.filtering.breed do
                    Sorting.filtering.breed[i] = false
                end
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            for i,breedName in breedInfo:IterateBreedNames() do
                info.notCheckable = false
                info.keepShownOnClick = true
                info.checked = false
                info.isNotRadio = true
                info.text = breedName
                info.func = function(_, _, _, value)
                    Sorting.filtering.breed[i] = not Sorting.filtering.breed[i]
                    Sorting:UpdatePets()
                end
                info.checked = function()
                    return Sorting.filtering.breed[i]
                end
                UIDropDownMenu_AddButton(info, level)
            end

        elseif UIDROPDOWNMENU_MENU_VALUE == 11 then -- Level filter
            info.notCheckable = true
            info.text = CHECK_ALL
            info.func = function()
                for i=1,#Sorting.filtering.level do
                    Sorting.filtering.level[i] = true
                end
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            info.text = UNCHECK_ALL
            info.func = function()
                for i=1,#Sorting.filtering.level	do
                    Sorting.filtering.level[i] = false
                end
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            info.notCheckable = false
            info.keepShownOnClick = true
            info.checked = false
            info.isNotRadio = true

            for i=1,#levelBrackets do
                info.text = levelBrackets[i]
                info.func = function(_, _, _, value)
                    Sorting.filtering.level[i] = not Sorting.filtering.level[i]
                    Sorting:UpdatePets()
                end
                info.checked = function()
                    return Sorting.filtering.level[i]
                end
                info.isNotRadio = true
                UIDropDownMenu_AddButton(info, level)
            end

        elseif UIDROPDOWNMENU_MENU_VALUE == 10 then -- misc filter
            info.notCheckable = true
            info.text = CHECK_ALL
            info.func = function()
                Sorting.filtering.canBattle = true
                Sorting.filtering.cantBattle = true
                Sorting.filtering.canTrade = true
                Sorting.filtering.cantTrade = true
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            info.text = UNCHECK_ALL
            info.func = function()
                Sorting.filtering.canBattle = false
                Sorting.filtering.cantBattle = false
                Sorting.filtering.canTrade = false
                Sorting.filtering.cantTrade = false
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            info.notCheckable = false
            info.keepShownOnClick = true
            info.checked = false
            info.isNotRadio = true

            info.text = FILTER_CAN_BATTLE
            info.func = function(_, _, _, value)
                Sorting.filtering.canBattle = not Sorting.filtering.canBattle
                Sorting:UpdatePets()
            end
            info.checked = function()
                return Sorting.filtering.canBattle
            end
            info.isNotRadio = true
            UIDropDownMenu_AddButton(info, level)

            info.text = FILTER_CANT_BATTLE
            info.func = function(_, _, _, value)
                Sorting.filtering.cantBattle = not Sorting.filtering.cantBattle
                Sorting:UpdatePets()
            end
            info.checked = function()
                return Sorting.filtering.cantBattle
            end
            info.isNotRadio = true
            UIDropDownMenu_AddButton(info, level)

            info.text = FILTER_CAN_TRADE
            info.func = function(_, _, _, value)
                Sorting.filtering.canTrade = not Sorting.filtering.canTrade
                Sorting:UpdatePets()
            end
            info.checked = function()
                return Sorting.filtering.canTrade
            end
            UIDropDownMenu_AddButton(info, level)

            info.text = FILTER_CANT_TRADE
            info.func = function(_, _, _, value)
                Sorting.filtering.cantTrade = not Sorting.filtering.cantTrade
                Sorting:UpdatePets()
            end
            info.checked = function()
                return Sorting.filtering.cantTrade
            end
            UIDropDownMenu_AddButton(info, level)

            info.text = FILTER_SHOW_HIDDEN
            info.func = function(_, _, _, value)
                Sorting.filtering.hiddenSpecies = not Sorting.filtering.hiddenSpecies
                Sorting:UpdatePets()
            end
            info.checked = function()
                return Sorting.filtering.hiddenSpecies
            end
            UIDropDownMenu_AddButton(info, level)

            info.notCheckable = true
            info.text = FILTER_RESET_HIDDEN
            info.func = function(_, _, _, value)
                Sorting:ResetSpeciesHidden()
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

        elseif UIDROPDOWNMENU_MENU_VALUE == 12 then -- ability type filter
            info.notCheckable = true
            info.text = CHECK_ALL
            info.func = function()
                for i=1,#Sorting.filtering.abilityType	do
                    Sorting.filtering.abilityType[i] = true
                end
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            info.text = UNCHECK_ALL
            info.func = function()
                for i=1,#Sorting.filtering.abilityType	do
                    Sorting.filtering.abilityType[i] = false
                end
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            for i=1, C_PetJournal.GetNumPetTypes() do
                info.notCheckable = false
                info.keepShownOnClick = true
                info.checked = false
                info.isNotRadio = true
                info.text = _G["BATTLE_PET_NAME_"..i]
                info.func = function(_, _, _, value)
                    Sorting.filtering.abilityType[i] = not Sorting.filtering.abilityType[i]
                    Sorting:UpdatePets()
                end
                info.checked = function()
                    return Sorting.filtering.abilityType[i]
                end
                UIDropDownMenu_AddButton(info, level)
            end

        elseif UIDROPDOWNMENU_MENU_VALUE == 8 then --quantity
            info.notCheckable = true
            info.text = CHECK_ALL
            info.func = function()
                for i=1,#Sorting.filtering.quantity	do
                    Sorting.filtering.quantity[i] = true
                end
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            info.text = UNCHECK_ALL
            info.func = function()
                for i=1,#Sorting.filtering.quantity	do
                    Sorting.filtering.quantity[i] = false
                end
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            for i=1,#Sorting.filtering.quantity do
                info.notCheckable = false
                info.keepShownOnClick = true
                info.checked = false
                info.isNotRadio = true
                info.text = i
                info.func = function(_, _, _, value)
                    Sorting.filtering.quantity[i] = not Sorting.filtering.quantity[i]
                    Sorting:UpdatePets()
                end
                info.checked = function()
                    return Sorting.filtering.quantity[i]
                end
                UIDropDownMenu_AddButton(info, level)
            end

        elseif UIDROPDOWNMENU_MENU_VALUE == 1 then --blizzard pet families
            info.hasArrow = false
            info.isNotRadio = true
            info.notCheckable = true
            info.text = CHECK_ALL
            info.func = function()
                C_PetJournal.SetAllPetTypesChecked(true)
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            info.text = UNCHECK_ALL
            info.func = function()
                C_PetJournal.SetAllPetTypesChecked(false)
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            info.notCheckable = false
            local numTypes = C_PetJournal.GetNumPetTypes()
            for i=1,numTypes do
                info.text = _G["BATTLE_PET_NAME_"..i]
                info.func = function(_, _, _, value)
                    C_PetJournal.SetPetTypeFilter(i, value)
                    Sorting:UpdatePets()
                end
                info.checked = function()
                    return C_PetJournal.IsPetTypeChecked(i)
                end
                UIDropDownMenu_AddButton(info, level)
            end

        elseif UIDROPDOWNMENU_MENU_VALUE == 2 then --blizzard pet sources
            info.hasArrow = false
            info.isNotRadio = true
            info.notCheckable = true
            info.text = CHECK_ALL
            info.func = function()
                C_PetJournal.SetAllPetSourcesChecked(true)
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 2, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            info.text = UNCHECK_ALL
            info.func = function()
                C_PetJournal.SetAllPetSourcesChecked(false)
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 2, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            info.notCheckable = false
            local numSources = C_PetJournal.GetNumPetSources()
            for i=1,numSources do
                info.text = _G["BATTLE_PET_SOURCE_"..i]
                info.func = function(_, _, _, value)
                    C_PetJournal.SetPetSourceChecked(i, value)
                    Sorting:UpdatePets()
                end
                info.checked = function()
                    return C_PetJournal.IsPetSourceChecked(i)
                end
                UIDropDownMenu_AddButton(info, level)
            end

        -- elseif UIDROPDOWNMENU_MENU_VALUE == 3 then --zone filter
        --     local info = UIDropDownMenu_CreateInfo()
        --     local zoneTree = ZoneFiltering:GetZoneGroupMapping()
        --     info.hasArrow = false
        --     info.isNotRadio = true
        --     info.notCheckable = true
        --     info.keepShownOnClick = true
        --     info.text = CHECK_ALL
        --     info.func = function()
        --         ZoneFiltering:SetAllFiltered(true)
        --         Sorting.filtering.unknownZone = true
        --         Sorting:UpdatePets()
        --         UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
        --     end
        --     UIDropDownMenu_AddButton(info, level)

        --     info.text = UNCHECK_ALL
        --     info.func = function()
        --         ZoneFiltering:SetAllFiltered(false)
        --         Sorting.filtering.unknownZone = false
        --         Sorting:UpdatePets()
        --         UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
        --     end
        --     UIDropDownMenu_AddButton(info, level)

        --     info.notCheckable = false
        --     info.keepShownOnClick = true
        --     info.checked = false
        --     info.isNotRadio = true
        --     info.text = FILTER_UNKNOWN_ZONE
        --     info.func = function(_, _, _, value)
        --         Sorting.filtering.unknownZone = not Sorting.filtering.unknownZone
        --         UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
        --         Sorting:UpdatePets()
        --     end
        --     info.checked = function()
        --         return Sorting.filtering.unknownZone
        --     end
        --     UIDropDownMenu_AddButton(info, level)

        --     local ZoneGroupMap = ZoneFiltering:GetZoneGroupMapping()
        --     for i=1,ZoneFiltering:GetNumZoneGroups() do
        --         info.hasArrow = true
        --         info.notCheckable = true
        --         info.keepShownOnClick = true
        --         info.checked = false
        --         info.isNotRadio = true
        --         info.text = ZoneFiltering:GetZoneGroupNames(i)
        --         info.value = i
        --         info.func = nil
        --         info.checked = nil
        --         UIDropDownMenu_AddButton(info, level)
        --     end

        elseif UIDROPDOWNMENU_MENU_VALUE == 4 then --pet specialization
            local info = UIDropDownMenu_CreateInfo()

            info.hasArrow = false
            info.isNotRadio = true
            info.notCheckable = true
            info.keepShownOnClick = true
            info.text = CHECK_ALL
            info.func = function()
                for i=1,#Sorting.filtering.specialization do
                    Sorting.filtering.specialization[i] = true
                end
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            info.text = UNCHECK_ALL
            info.func = function()
                for i=1,#Sorting.filtering.specialization do
                    Sorting.filtering.specialization[i] = false
                end
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            for i=1,4 do
                info.notCheckable = false
                info.keepShownOnClick = true
                info.checked = false
                info.isNotRadio = true
                info.text = specializations[i]
                info.func = function(_, _, _, value)
                    Sorting.filtering.specialization[i] = not Sorting.filtering.specialization[i]
                    UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                    Sorting:UpdatePets()
                end
                info.checked = function()
                    return Sorting.filtering.specialization[i]
                end
                UIDropDownMenu_AddButton(info, level)

            end

        elseif UIDROPDOWNMENU_MENU_VALUE == 5 then --sorting menu
            info.keepShownOnClick = true
            info.text = FILTER_SORT_FAVORITES
            info.func = function(_, _, _, value)
                Sorting.sorting.favoritesFirst = not Sorting.sorting.favoritesFirst
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            info.checked = function()
                return Sorting.sorting.favoritesFirst
            end
            info.isNotRadio = true
            info.notCheckable = false

            UIDropDownMenu_AddButton(info, level)

            info.keepShownOnClick = true
            info.text = FILTER_SORT_ORDER
            info.func = nil
            info.notCheckable = true
            UIDropDownMenu_AddButton(info, level)

            info.notCheckable = false

            --create sort menu options
            for i=1,#sortTypes do
                info.keepShownOnClick = true
                info.checked = false
                info.isNotRadio = false
                info.text = sortTypes[i]
                info.func = function(_, _, _, value)
                    Sorting.sorting.selection = i
                    UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                    Sorting:UpdatePets()
                end
                info.checked = function()
                    return Sorting.sorting.selection == i
                end
                UIDropDownMenu_AddButton(info, level)
            end

            if Config.display.breedInfo then
                info.keepShownOnClick = true
                info.checked = false
                info.isNotRadio = false
                info.text = FILTER_BREED
                info.func = function(_, _, _, value)
                    Sorting.sorting.selection = #sortTypes + 1
                    UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                    Sorting:UpdatePets()
                end
                info.checked = function()
                    return Sorting.sorting.selection == #sortTypes + 1
                end
                UIDropDownMenu_AddButton(info, level)
            end

            info.keepShownOnClick = true
            info.checked = false
            info.isNotRadio = false

            info.text = FILTER_SORT_DIRECTION
            info.func = nil
            info.notCheckable = true
            UIDropDownMenu_AddButton(info, level)

            info.notCheckable = false
            info.text = FILTER_SORT_ASCENDING
            info.func = function(_, _, _, value)
                Sorting.sorting.order = ASCENDING
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            info.checked = function()
                return Sorting.sorting.order ==  ASCENDING
            end
            UIDropDownMenu_AddButton(info, level)

            info.text = FILTER_SORT_DESCENDING
            info.func = function(_, _, _, value)
                Sorting.sorting.order = DESCENDING
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            info.checked = function()
                return  Sorting.sorting.order == DESCENDING
            end
            UIDropDownMenu_AddButton(info, level)

        elseif UIDROPDOWNMENU_MENU_VALUE == 6 then
            local info = UIDropDownMenu_CreateInfo()

            info.hasArrow = false
            info.isNotRadio = true
            info.notCheckable = true
            info.keepShownOnClick = true
            info.text = CHECK_ALL
            info.func = function()
                for i=1,#Sorting.filtering.rarity do
                    Sorting.filtering.rarity[i] = true
                end
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            info.text = UNCHECK_ALL
            info.func = function()
                for i=1,#Sorting.filtering.rarity do
                    Sorting.filtering.rarity[i] = false
                end
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            for i=1,4 do
                local r,g,b,hex  = GetItemQualityColor(i-1)
                info.notCheckable = false
                info.keepShownOnClick = true
                info.checked = false
                info.isNotRadio = true
                info.text = string.format("|c%s%s|r",hex,_G["BATTLE_PET_BREED_QUALITY"..i])
                info.func = function(_, _, _, value)
                    Sorting.filtering.rarity[i] = not Sorting.filtering.rarity[i]
                    UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 2)
                    Sorting:UpdatePets()
                end
                info.checked = function()
                    return Sorting.filtering.rarity[i]
                end
                UIDropDownMenu_AddButton(info, level)
            end
        end
    end

    if level == 3  then
        if UIDROPDOWNMENU_MENU_VALUE >= 1 and UIDROPDOWNMENU_MENU_VALUE <= ZoneFiltering:GetNumZoneGroups() then
            local info = UIDropDownMenu_CreateInfo()

            info.hasArrow = false
            info.isNotRadio = true
            info.notCheckable = true
            info.keepShownOnClick = true
            info.text = CHECK_ALL
            info.func = function()
                ZoneFiltering:SetAllGroupFiltered(UIDROPDOWNMENU_MENU_VALUE,true)
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 3)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            info.text = UNCHECK_ALL
            info.func = function()
                ZoneFiltering:SetAllGroupFiltered(UIDROPDOWNMENU_MENU_VALUE,false)
                UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 3)
                Sorting:UpdatePets()
            end
            UIDropDownMenu_AddButton(info, level)

            local zoneIDs = ZoneFiltering:GetZoneGroup(UIDROPDOWNMENU_MENU_VALUE)
            for i=1, #zoneIDs do
                local zoneID = zoneIDs[i]
                info.hasArrow = false
                info.notCheckable = false
                info.keepShownOnClick = true
                info.checked = false
                info.isNotRadio = true
                info.text = GetMapNameByID(zoneID)
                info.value = zoneID
                info.func = function(_, _, _, value)
                    local isEnabled = ZoneFiltering:GetFiltered(zoneID)
                    ZoneFiltering:SetFiltered(zoneID,not isEnabled)
                    UIDropDownMenu_Refresh(PetJournalFilterDropDown, 1, 3)
                    Sorting:UpdatePets()
                end
                info.checked = function()
                    return ZoneFiltering:GetFiltered(zoneID)
                end
                UIDropDownMenu_AddButton(info, level)
            end
        end
    end
end

local function PetOptionsMenu_Init(self, level)
    local pet = DropDown.petOptionsMenu.pet
    local info = UIDropDownMenu_CreateInfo()
    info.notCheckable = true

    local isRevoked = pet and pet.petID and C_PetJournal.PetIsRevoked(pet.petID)
    local isLockedForConvert = pet and pet.petID and C_PetJournal.PetIsLockedForConvert(pet.petID)

    if (pet and pet.petID and not isRevoked and not isLockedForConvert) then
        info.text = BATTLE_PET_SUMMON
        if (pet.petID and C_PetJournal.GetSummonedPetGUID() == pet.petID) then
            info.text = PET_DISMISS
        end
        info.func = function() C_PetJournal.SummonPetByGUID(pet.petID)  end
        if (pet.petID and not C_PetJournal.PetIsSummonable(pet.petID)) then
            info.disabled = true
        end
        UIDropDownMenu_AddButton(info, level)
        info.disabled = nil
    end

    if (pet and pet.petID and not isRevoked and not isLockedForConvert) then
        info.text = BATTLE_PET_RENAME
        info.func = function()
            StaticPopup_Show("BATTLE_PET_RENAME", nil, nil, pet.petID)
        end
        info.disabled = not C_PetJournal.IsJournalUnlocked()
        UIDropDownMenu_AddButton(info, level)
        info.disabled = nil
    end

    local isFavorite = pet and pet.petID and C_PetJournal.PetIsFavorite(pet.petID)
    if pet and pet.petID and (isFavorite or (not isRevoked and not isLockedForConvert)) then
        if (isFavorite) then
            info.text = BATTLE_PET_UNFAVORITE
            info.func = function()
                C_PetJournal.SetFavorite(pet.petID, 0)
            end
        else
            info.text = BATTLE_PET_FAVORITE
            info.func = function()
                C_PetJournal.SetFavorite(pet.petID, 1)
            end
        end
        info.disabled = not C_PetJournal.IsJournalUnlocked()
        UIDropDownMenu_AddButton(info, level)
        info.disabled = nil
    end

    if(pet and pet.petID and C_PetJournal.PetCanBeReleased(pet.petID)) then
        info.text = BATTLE_PET_RELEASE
        info.func = function() StaticPopup_Show("BATTLE_PET_RELEASE", PetJournalUtil_GetDisplayName(pet.petID), nil, pet.petID)  end
        if (C_PetJournal.PetIsSlotted(pet.petID) or C_PetBattles.IsInBattle() or not C_PetJournal.IsJournalUnlocked()) then
            info.disabled = true
        else
            info.disabled = nil
        end
        UIDropDownMenu_AddButton(info, level)
        info.disabled = nil
    end

    if(pet and pet.petID and pet.petID and C_PetJournal.PetIsTradable(pet.petID)) then
        info.text = BATTLE_PET_PUT_IN_CAGE
        info.func = function() StaticPopup_Show("BATTLE_PET_PUT_IN_CAGE", nil, nil, pet.petID)  end
        --only if it isn't in a battle slot and has full health
        info.disabled = nil
        if (not info.disabled and C_PetJournal.PetIsSlotted(pet.petID)) then
            info.disabled = true
            info.text = BATTLE_PET_PUT_IN_CAGE_SLOTTED
        end
        if (not info.disabled and C_PetJournal.PetIsHurt(pet.petID)) then
            info.disabled = true
            info.text = BATTLE_PET_PUT_IN_CAGE_HEALTH
        end
        UIDropDownMenu_AddButton(info, level)
        info.disabled = nil
    end

    if (pet and pet.speciesID) then
        local isSpciesHidden = Sorting:IsSpeciesHidden(pet.speciesID)
        local hideSpeciesName = isSpciesHidden and SHOW or HIDE
        info.text = hideSpeciesName
        info.func = function()
            Sorting:SetSpeciesHidden(pet.speciesID, not isSpciesHidden)
            Sorting:UpdatePets()
        end
        info.disabled = nil
        UIDropDownMenu_AddButton(info, level)
    end

    info.text = CANCEL
    info.func = nil
    UIDropDownMenu_AddButton(info, level)
end

function DropDown:OnInitialize()
    PetJournalFilterButton:Hide()

    self.menuFrame = CreateFrame("Frame","PetJournalEnhancedFilterDropDown",PetJournal,"UIDropDownMenuTemplate")
    self.petOptionsMenu = CreateFrame("Frame","PetJournalEnhancedPetMenu",PetJournal,"UIDropDownMenuTemplate")
    self.filterButton = CreateFrame("Button","PetJournalEnhancedFilterButton",PetJournal,"UIMenuButtonStretchTemplate")
    self.filterButton:SetText(FILTER)
    self.filterButton:SetAllPoints("PetJournalFilterButton")

    UIDropDownMenu_Initialize(self.menuFrame, CreateDropdownMenu , "MENU")
    UIDropDownMenu_Initialize(self.petOptionsMenu, PetOptionsMenu_Init , "MENU")
    self.filterButton:SetScript("OnClick",function()
        PlaySound(SOUNDKIT.IG_MAINMENU_OPTION_CHECKBOX_ON)
        ToggleDropDownMenu(1, nil, self.menuFrame, "PetJournalEnhancedFilterButton", 74, 15)
    end)
end