local S = minetest.get_translator("cups")
local has_default = minetest.get_modpath("default") ~= nil
local has_moreores = minetest.get_modpath("moreores") ~= nil
local cups = {}

-- Nodeboxes
local cupnodebox = {
	type = "fixed",
	fixed = {
	{-0.3,-0.5,-0.3,0.3,-0.4,0.3}, -- stand
	{-0.1,-0.4,-0.1,0.1,0,0.1}, -- handle
	{-0.3,0,-0.3,0.3,0.1,0.3}, -- cup (lower part)
	-- the 4 sides of the upper part
	{-0.2,0.1,-0.3,0.2,0.5,-0.2},
	{-0.2,0.1,0.2,0.2,0.5,0.3},
	{-0.3,0.1,-0.3,-0.2,0.5,0.3},
	{0.2,0.1,-0.3,0.3,0.5,0.3},
	}
}

local cupselbox = {
	type = "fixed",
	fixed = {
	{-0.3,-0.5,-0.3,0.3,-0.4,0.3}, -- stand
	{-0.1,-0.4,-0.1,0.1,0,0.1}, -- handle
	{-0.3,0,-0.3,0.3,0.5,0.3}, -- upper part
	}
}

-- API
cups.register_cup = function(subname, description, tiles, craftitem, craft_count, extra_groups, extra_sounds)
	local groups = { dig_immediate=3, falling_node=1, }
	if extra_groups then
		for k,v in pairs(extra_groups) do
			groups[k] = v
		end
	end
	local sounds
	if has_default then
		if default.node_sound_metal_defaults then
			sounds = default.node_sound_defaults({
				footstep = { name = "default_metal_footstep", gain = 0.3 },
			})
		else
			sounds = default.node_sound_defaults({
				footstep = { name = "default_hard_footstep", gain = 0.3 },
			})
		end
	end
	if extra_sounds then
		for k,v in pairs(extra_sounds) do
			sounds[k] = v
		end
	end
	local itemstring = "cups:cup_"..subname
	minetest.register_node(itemstring, {
		description = description,
		_doc_items_longdesc = S("A decorative item which can be placed."),
		tiles = tiles,
		paramtype = "light",
		drawtype = "nodebox",
		node_box = cupnodebox,
		is_ground_content = false,
		selection_box = cupselbox,
		groups = groups,
		sounds = sounds,
	})

	if craftitem ~= nil then
		if craft_count == nil then craft_count = 1 end

		if has_default then
			minetest.register_craft({
				output = "cups:cup_"..subname.." "..craft_count,
				recipe = {
					{craftitem, "", craftitem},
					{"", craftitem, ""},
					{"", craftitem, ""},
				}
			})
		end
	end
end

-- Register cups
local sound_hard
if has_default then
	sound_hard = default.node_sound_defaults({ footstep = { name = "default_hard_footstep", gain = 0.3 }})
end
cups.register_cup("bronze", S("Bronze Cup"), { "cups_bronze.png" }, "default:bronze_ingot", 2)
cups.register_cup("gold", S("Golden Cup"), { "cups_gold.png" }, "default:gold_ingot", 2)
cups.register_cup("diamond", S("Diamond Cup"), { "cups_diamond.png" }, "default:diamond", 1, nil, sound_hard)
if has_moreores then
	cups.register_cup("silver", S("Silver Cup"), { "cups_silver.png" }, "moreores:silver_ingot", 2)
end

-- Legacy aliases
minetest.register_alias("mtg_plus:cup_bronze", "cups:cup_bronze")
minetest.register_alias("mtg_plus:cup_gold", "cups:cup_gold")
minetest.register_alias("mtg_plus:cup_diamond", "cups:cup_diamond")