-- The interface style, one CVar for the whole client: "classic" or "forever", "" until the
-- player chooses. Every Forever UI file reads MoonWellUI_IsForever() at load and does nothing
-- on the classic style, so a change of style takes a ReloadUI.

MOONWELLUI_STYLE_CVAR = "moonwellUIStyle"
RegisterCVar(MOONWELLUI_STYLE_CVAR, "")

local function MoonWellUI_ReadStyle()
	local value = GetCVar(MOONWELLUI_STYLE_CVAR)
	if value == "classic" or value == "forever" then
		return value
	end
	return nil
end

-- The style this UI build loaded with; unchosen loads as classic.
MOONWELLUI_LOADED_STYLE = MoonWellUI_ReadStyle() or "classic"

-- The chosen style, or nil while the player has not chosen.
function MoonWellUI_GetStyle()
	return MoonWellUI_ReadStyle()
end

function MoonWellUI_IsForever()
	return MOONWELLUI_LOADED_STYLE == "forever"
end

-- Save `style` and reload the UI when it is not the one loaded.
function MoonWellUI_SetStyle(style)
	SetCVar(MOONWELLUI_STYLE_CVAR, style)
	if style ~= MOONWELLUI_LOADED_STYLE then
		ReloadUI()
	end
end