-- help functions

local function remove_top(pos)
	local n = minetest.get_node_or_nil(pos)
	if not n then return end
	local dir = minetest.facedir_to_dir(n.param2)
	local p = {x=pos.x+dir.x,y=pos.y,z=pos.z+dir.z}
	local n2 = minetest.get_node(p)
	if minetest.get_item_group(n2.name, "bed") == 2 and n.param2 == n2.param2 then
		minetest.remove_node(p)
	end
end

local function add_top(pos)
	local n = minetest.get_node_or_nil(pos)
	if not n or not n.param2 then
		minetest.remove_node(pos)
		return true
	end
	local dir = minetest.facedir_to_dir(n.param2)
	local p = {x=pos.x+dir.x,y=pos.y,z=pos.z+dir.z}
	local n2 = minetest.get_node_or_nil(p)
	local def = minetest.registered_items[n2.name] or nil
	if not n2 or not def or not def.buildable_to then
		minetest.remove_node(pos)
		return true
	end
	minetest.set_node(p, {name = n.name:gsub("%_bottom", "_top"), param2 = n.param2})
	return false
end


-- register nodes
function beds.register_bed(name, def)
	minetest.register_node(name .. "_bottom", {
		description = def.description,
		inventory_image = def.inventory_image,
		wield_image = def.wield_image,
		drawtype = "nodebox",
		tiles = def.tiles.bottom,
		paramtype = "light",
		paramtype2 = "facedir",
		stack_max = 1,
		groups = {snappy = 1, choppy = 2, oddly_breakable_by_hand = 2, flammable = 3, bed = 1},
		sounds = default.node_sound_wood_defaults(),
		node_box = {
			type = "fixed",
			fixed = def.nodebox.bottom,
		},
		selection_box = {
			type = "fixed",
			fixed = def.selectionbox,
				
		},
		after_place_node = function(pos, placer, itemstack)
			return add_top(pos)
		end,	
		on_destruct = function(pos)
			remove_top(pos)
		end,
		on_rightclick = function(pos, node, clicker)
			beds.on_rightclick(pos, clicker)
		end,
	})

	minetest.register_node(name .. "_top", {
		drawtype = "nodebox",
		tiles = def.tiles.top,
		paramtype = "light",
		paramtype2 = "facedir",
		groups = {snappy = 1, choppy = 2, oddly_breakable_by_hand = 2, flammable = 3, bed = 2},
		sounds = default.node_sound_wood_defaults(),
		node_box = {
			type = "fixed",
			fixed = def.nodebox.top,
		},
		selection_box = {
			type = "fixed",
			fixed = {0, 0, 0, 0, 0, 0},
		},
	})

	minetest.register_alias(name, name .. "_bottom")

	-- register recipe
	minetest.register_craft({
		output = name,
		recipe = def.recipe
	})
end

-- fancy shaped
beds.register_bed("beds:fancy_bed", {
	description = "Fancy Bed",
	inventory_image = "beds_bed_fancy.png",
	wield_image = "beds_bed_fancy.png",
	tiles = {
	    bottom = {
		"beds_bed_top1.png",
		"default_wood.png",
		"beds_bed_side1.png",
		"beds_bed_side1.png^[transformFX",
		"default_wood.png",
		"beds_bed_foot.png",
	    },
	    top = {
		"beds_bed_top2.png",
		"default_wood.png",
		"beds_bed_side2.png",
		"beds_bed_side2.png^[transformFX",
		"beds_bed_head.png",
		"default_wood.png",
	    }
	},
	nodebox = {
	    bottom = {
		{-0.5, -0.5, -0.5, -0.375, -0.065, -0.4375},
		{0.375, -0.5, -0.5, 0.5, -0.065, -0.4375},
		{-0.5, -0.375, -0.5, 0.5, -0.125, -0.4375},
		{-0.5, -0.375, -0.5, -0.4375, -0.125, 0.5},
		{0.4375, -0.375, -0.5, 0.5, -0.125, 0.5},
		{-0.4375, -0.3125, -0.4375, 0.4375, -0.0625, 0.5},
	      },
	      top = {
		{-0.5, -0.5, 0.4375, -0.375, 0.1875, 0.5},
		{0.375, -0.5, 0.4375, 0.5, 0.1875, 0.5},
		{-0.5, 0, 0.4375, 0.5, 0.125, 0.5},
		{-0.5, -0.375, 0.4375, 0.5, -0.125, 0.5},
		{-0.5, -0.375, -0.5, -0.4375, -0.125, 0.5},
		{0.4375, -0.375, -0.5, 0.5, -0.125, 0.5},
		{-0.4375, -0.3125, -0.5, 0.4375, -0.0625, 0.4375},
	      }
	},
	selectionbox = {-0.5, -0.5, -0.5, 0.5, 0.06, 1.5},
	recipe = {
		{"group:wool", "group:wool", "group:stick"},
		{"group:wood", "group:wood", "group:wood"},
	},
})

-- simple (default)
beds.register_bed("beds:bed", {
	description = "Simple Bed",
	inventory_image = "beds_bed.png",
	wield_image = "beds_bed.png",
	tiles = {
	    bottom = {
		"beds_bed_top_bottom.png^[transformR90",
		"default_wood.png",
		"beds_bed_side_bottom_r.png",
		"beds_bed_side_bottom_r.png^[transformfx",
		"beds_transparent.png",
		"beds_bed_side_bottom.png"
	    },
	    top = {
		"beds_bed_top_top.png^[transformR90",
		"default_wood.png", 
		"beds_bed_side_top_r.png",
		"beds_bed_side_top_r.png^[transformfx",
		"beds_bed_side_top.png",
		"beds_transparent.png",
	    }
	},
	nodebox = {
	    bottom = {-0.5, -0.5, -0.5, 0.5, 0.06, 0.5},
	    top = {-0.5, -0.5, -0.5, 0.5, 0.06, 0.5},
	},
	selectionbox = {-0.5, -0.5, -0.5, 0.5, 0.06, 1.5},
	recipe = {
		{"group:wool", "group:wool", "group:wool"},
		{"group:wood", "group:wood", "group:wood"}
	},

})

-- aliases for PA's beds mod
minetest.register_alias("beds:bed_bottom_red", "beds:bed_bottom")
minetest.register_alias("beds:bed_bottom_orange", "beds:bed_bottom")
minetest.register_alias("beds:bed_bottom_yellow", "beds:bed_bottom")
minetest.register_alias("beds:bed_bottom_green", "beds:bed_bottom")
minetest.register_alias("beds:bed_bottom_blue", "beds:bed_bottom")
minetest.register_alias("beds:bed_bottom_violet", "beds:bed_bottom")
minetest.register_alias("beds:bed_bottom_black", "beds:bed_bottom")
minetest.register_alias("beds:bed_bottom_grey", "beds:bed_bottom")
minetest.register_alias("beds:bed_bottom_white", "beds:bed_bottom")

minetest.register_alias("beds:bed_top_red", "beds:bed_top")
minetest.register_alias("beds:bed_top_orange", "beds:bed_top")
minetest.register_alias("beds:bed_top_yellow", "beds:bed_top")
minetest.register_alias("beds:bed_top_green", "beds:bed_top")
minetest.register_alias("beds:bed_top_blue", "beds:bed_top")
minetest.register_alias("beds:bed_top_violet", "beds:bed_top")
minetest.register_alias("beds:bed_top_black", "beds:bed_top")
minetest.register_alias("beds:bed_top_grey", "beds:bed_top")
minetest.register_alias("beds:bed_top_white", "beds:bed_top")