EquipSameItemEnchant

-- allows making a macro such as:
--      /run EquipSameItemEnchant:New("MacroLabel", itemID, enchantID)
--      /click EquipSameItemEnchantMacroLabel
-- (untested code)

local frame = CreateFrame("Frame", "EquipSameItemEnchant")
frame.New = function(self, label, itemID, enchantID)
    if not frame[label] then
        frame[label] = CreateFrame("Button", "EquipSameItemEnchant"..label)
        frame[label].itemID = itemID
        frame[label].enchantID = enchantID
        frame[label]:SetScript("OnClick", function()
            local itemCount = 0
            for bag = 0,4 do
                for slot = 1, C_Container.GetContainerNumSlots(bag) do
                    local itemLink = C_Container.GetContainerItemLink(bag, slot)
                    local dataCount = 0
                    local currentItemID = nil
                    local currentEnchantID = nil
                    for data in itemLink:gmatch("([^:]*)") do
                        dataCount = dataCount + 1
                        if dataCount == 2 then
                            currentItemID = data
                        elseif dataCount == 3 then
                            currentEnchantID = data
                        else
                            break
                        end
                    end
                    if frame[label].itemID == currentItemID and frame[label].enchantID == currentEnchantID then
                        itemCount = itemCount + 1
                        C_Container.PickupContainerItem(bag, slot)
                        local equipSlot = (itemCount == 1) and "MainHandSlot" or "SecondaryHandSlot"
                        EquipCursorItem(GetInventorySlotInfo(equipSlot))
                        if itemCount == 2 then
                            return true
                        end
                    end
                end
            end
        end)
    end
    frame[label].itemID = (frame[label].itemID == itemID) and frame[label].itemID or itemID
    frame[label].enchantID = (frame[label].enchantID == enchantID) and frame[label].enchantID or enchantID
end