-- LUALOCALS < ---------------------------------------------------------
local math, minetest, nodecore
    = math, minetest, nodecore
local math_random
    = math.random
-- LUALOCALS > ---------------------------------------------------------

local modname = minetest.get_current_modname()

minetest.register_alias_force("nc_nature:bamboo", "nc_nature:bamboo_living")

minetest.register_node(modname .. ":bamboo_pole", {
		description = "Bamboo",
		drawtype = "nodebox",
		node_box = {
			type = "fixed",
			fixed = {
				{-0.125, -0.4375, -0.125, 0.125, 0.5, 0.125}, -- Shaft
				{-0.1875, -0.5, -0.1875, 0.1875, -0.4375, 0.1875} -- Bottom
			}
		},
		tiles = {"nc_nature_bamboo.png^[colorize:peru:100"},
		paramtype = "light",
		paramtype2 = "facedir",
		on_place = minetest.rotate_node,
		climbable = true,
		groups = {choppy = 1, flammable = 2, fire_fuel = 1, bamboo = 1},
		sounds = nodecore.sounds("nc_tree_sticky")
	})

minetest.register_node(modname .. ":bamboo_living", {
		description = "Living Bamboo",
		drawtype = "nodebox",
		node_box = {
			type = "fixed",
			fixed = {
				{-0.125, -0.4375, -0.125, 0.125, 0.5, 0.125}, -- Shaft
				{-0.1875, -0.5, -0.1875, 0.1875, -0.4375, 0.1875} -- Bottom
			}
		},
		tiles = {"nc_nature_bamboo.png"},
		groups = {choppy = 2, flammable = 6, fire_fuel = 1, falling_node = 1, scaling_time = 80},
		crush_damage = 1,
		sounds = nodecore.sounds("nc_tree_sticky"),
		drop = modname .. ":bamboo_pole"
	})

nodecore.register_aism({
		label = "bamboo convert",
		interval = 1,
		chance = 1,
		itemnames = {modname .. ":bamboo_living"},
		action = function(stack)
			stack:set_name(modname .. ":bamboo_pole")
			return stack
		end
	})

nodecore.register_limited_abm({
		label = "bamboo spreading",
		nodenames = {modname .. ":bamboo_living"},
		neighbors = {"group:water"},
		interval = 120,
		chance = 20,
		action = function(pos)
			local gro = {x = pos.x + math_random(-1, 1), y = pos.y + math_random(-1, 1), z = pos.z + math_random(-1, 1)}
			local grodown = {x = gro.x, y = gro.y - 1, z = gro.z}
			local num = minetest.find_nodes_in_area(
				{x = pos.x + 1, y = pos.y - 1, z = pos.z + 1},
				{x = pos.x - 1, y = pos.y - 1, z = pos.z - 1},
				{"group:soil", "group:sand"})
			local dname = minetest.get_node(grodown).name
			if minetest.get_node(gro).name ~= "air" then return end
			if minetest.get_item_group(dname, "soil") > 0 then return end
			if #num > 3 and pos.y < 50 then
				nodecore.set_node(gro, {name = modname .. ":bamboo_living"})
			end
		end,
	})

nodecore.register_limited_abm({
		label = "bamboo growing",
		nodenames = {modname .. ":bamboo_living"},
		-- neighbors = {"air"}, -- dunno if this helps, with the air check in the action;
		-- I'd compare performance with and without.
		interval = 60,
		chance = 10,
		action = function(pos)
			local up = {x = pos.x, y = pos.y + 1, z = pos.z}
			if minetest.get_node(up).name ~= "air" then return end
			for i = 1, 13 do
				local down = {x = pos.x, y = pos.y - i; z = pos.z}
				local dname = minetest.get_node(down).name
				if minetest.get_item_group(dname, "soil") > 0 then
					return minetest.set_node(up, {name = modname .. ":bamboo_living"})
				elseif dname ~= modname .. ":bamboo_living" then
					return
				end
			end
		end,
	})

minetest.register_decoration({
		label = "nc_nature:bamboo_living",
		deco_type = "simple",
		place_on = {"group:soil", "nc_terrain:sand"},
		sidelen = 16,
		fill_ratio = 0.1,
		y_max = 200,
		y_min = 1,
		decoration = "nc_nature:bamboo_living",
		height = 1,
		height_max = 12,
		biomes = {"thicket", "floodland"}
	})

-----Split Bamboo-----
nodecore.register_craft({
		label = "split bamboo into staves",
		action = "pummel",
		-- priority = -1,
		toolgroups = {choppy = 1},
		nodes = {
			{match = "nc_nature:bamboo_pole", replace = "air"}
		},
		items = {
			{name = "nc_woodwork:staff", count = 2, scatter = 2}
		},
		itemscatter = 2
	})