-- Armor
function hud.set_armor()
end

if hud.show_armor then
	local shields = minetest.get_modpath("shields") ~= nil
	local armor_org_func = armor.set_player_armor

	local function get_armor_lvl(def)
		-- items/protection based display
		local lvl = def.level or 0
		local max = 63 -- full diamond armor
		if shields then
			max = 84.14 -- full diamond armor + diamond shield
		end
		-- TODO: is there a sane way to read out max values?
		local ret = lvl/max
		if ret > 1 then
			ret = 1
		end

		return tonumber(20 * ret)
	end

	function armor.set_player_armor(self, player)
		armor_org_func(self, player)
		local name = player:get_player_name()
		local def = self.def
		local armor_lvl = 0
		if def[name] and def[name].level then
			armor_lvl = get_armor_lvl(def[name])
		end
		hud.change_item(player, "armor", {number = armor_lvl})
	end
end

function hud.notify_hunger(delay, use)
	local txt_part = "enable"
	if use then
		txt_part = "use"
	end
	minetest.after(delay, function()
		minetest.chat_send_all("#Better HUD: You can't " .. txt_part .. " hunger without the \"hunger\" mod")
		minetest.chat_send_all("	Enable it or download it from \"https://github.com/BlockMen/hunger\"")
	end)
end

-- Hunger related functions
if not hud.show_hunger then
	function hud.set_hunger()
		hud.notify_hunger(1, true)
	end

	function hud.get_hunger()
		hud.notify_hunger(1, true)
	end

	function hud.item_eat(hp_change, replace_with_item)
		return function(itemstack, user, pointed_thing)
			hud.notify_hunger(1, true)
			local func = minetest.item_eat(hp_change, replace_with_item)
			return func(itemstack, user, pointed_thing)
		end
	end

	function hud.save_hunger()
		hud.notify_hunger(1, true)
	end

	function hud.load_hunger(player)
		hud.notify_hunger(1, true)
	end
end