local frame = CreateFrame("Frame", "PlayerGoldFrame", UIParent)
frame:SetPoint("CENTER", UIParent, "CENTER", 0, 0)
frame:SetSize(250, 75)
frame:EnableMouse(true)
frame:SetMovable(true)
frame:RegisterForDrag("LeftButton")
frame:Show()

frame.bgTexture = frame:CreateTexture(nil, "BACKGROUND")
frame.bgTexture:SetAllPoints(frame)
frame.bgTexture:SetColorTexture(0, 0, 0, 0.5)

local totalGoldLabel = frame:CreateFontString(nil, "OVERLAY", "GameFontNormal")
totalGoldLabel:SetPoint("TOP", frame, "TOP", 0, -10)
totalGoldLabel:SetText("Total Gold:")

local goldGainedLabel = frame:CreateFontString(nil, "OVERLAY", "GameFontNormal")
goldGainedLabel:SetPoint("CENTER", frame, "CENTER", 0, 0)
goldGainedLabel:SetText("Gold Gained:")

local goldSpentLabel = frame:CreateFontString(nil, "OVERLAY", "GameFontNormal")
goldSpentLabel:SetPoint("BOTTOM", frame, "BOTTOM", 0, 10)
goldSpentLabel:SetText("Gold Spent:")

local prevGold = GetMoney()

local addonName = "PlayerGoldAddon"
local addonData = {}

local function UpdateGold()
    local playerGold = GetMoney()
    local goldDiff = playerGold - prevGold

    totalGoldLabel:SetText("Total Gold: " .. GetCoinTextureString(playerGold))

    if goldDiff > 0 then
        addonData.goldGained = (addonData.goldGained or 0) + goldDiff
        goldGainedLabel:SetText("Gold Gained: " .. GetCoinTextureString(addonData.goldGained))
        goldSpentLabel:SetText("Gold Spent: " .. GetCoinTextureString(addonData.goldSpent or 0))
    elseif goldDiff < 0 then
        addonData.goldSpent = (addonData.goldSpent or 0) - goldDiff
        goldGainedLabel:SetText("Gold Gained: " .. GetCoinTextureString(addonData.goldGained or 0))
        goldSpentLabel:SetText("Gold Spent: " .. GetCoinTextureString(addonData.goldSpent))
    else
        goldGainedLabel:SetText("Gold Gained: " .. GetCoinTextureString(addonData.goldGained or 0))
        goldSpentLabel:SetText("Gold Spent: " .. GetCoinTextureString(addonData.goldSpent))
    end

    prevGold = playerGold
end

local function UpdateAddonData()
    if not addonData.goldGained then
        addonData.goldGained = 0
    end
    if not addonData.goldSpent then
        addonData.goldSpent = 0
    end
end

frame:RegisterEvent("PLAYER_MONEY")
frame:SetScript("OnEvent", function()
    UpdateGold()
    UpdateAddonData()
end)
UpdateGold()
UpdateAddonData()

frame:SetScript("OnDragStart", function(self)
    self:StartMoving()
end)
frame:SetScript("OnDragStop", function(self)
    self:StopMovingOrSizing()
end)

SLASH_PLAYERGOLD1 = "/playergold"
SlashCmdList["PLAYERGOLD"] = function()
    frame:SetShown(not frame:IsShown())
end

local addonFrame = CreateFrame("Frame")
addonFrame:RegisterEvent("PLAYER_LOGOUT")
addonFrame:SetScript("OnEvent", function()
    SaveVariables(addonName, addonData)
end)