local settings = Settings(minetest.get_modpath("quartz").."/settings.txt")

-- internationalization boilerplate
local MP = minetest.get_modpath(minetest.get_current_modname())
local S, NS = dofile(MP.."/intllib.lua")

--
--  Item Registration
--

--  Quartz Crystal
minetest.register_craftitem("quartz:quartz_crystal", {
	description = S("Quartz Crystal"),
	inventory_image = "quartz_crystal_full.png",
})
minetest.register_craftitem("quartz:quartz_crystal_piece", {
	description = S("Quartz Crystal Piece"),
	inventory_image = "quartz_crystal_piece.png",
})

--
-- Node Registration
--

--  Ore
minetest.register_node("quartz:quartz_ore", {
	description = S("Quartz Ore"),
	tiles = {"default_stone.png^quartz_ore.png"},
	groups = {cracky=3, stone=1},
	drop = 'quartz:quartz_crystal',
	sounds = default.node_sound_stone_defaults(),
})

minetest.register_ore({
	ore_type = "scatter",
	ore = "quartz:quartz_ore",
	wherein = "default:stone",
	clust_scarcity = 10*10*10,
	clust_num_ores = 6,
	clust_size = 5,
	y_min = -31000,
	y_max = -5,
})

-- Quartz Block
minetest.register_node("quartz:block", {
	description = S("Quartz Block"),
	tiles = {"quartz_block.png"},
	groups = {cracky=3, oddly_breakable_by_hand=1},
	sounds = default.node_sound_glass_defaults(),
})

-- Chiseled Quartz
minetest.register_node("quartz:chiseled", {
	description = S("Chiseled Quartz"),
	tiles = {"quartz_chiseled.png"},
	groups = {cracky=3, oddly_breakable_by_hand=1},
	sounds = default.node_sound_glass_defaults(),
})

-- Quartz Pillar
minetest.register_node("quartz:pillar", {
	description = S("Quartz Pillar"),
	paramtype2 = "facedir",
	tiles = {"quartz_pillar_top.png", "quartz_pillar_top.png", "quartz_pillar_side.png"},
	groups = {cracky=3, oddly_breakable_by_hand=1},
	sounds = default.node_sound_glass_defaults(),
	on_place = minetest.rotate_node
})

--
-- Crafting
--

-- Quartz Crystal Piece
minetest.register_craft({
	output = '"quartz:quartz_crystal_piece" 3',
	recipe = {
		{'quartz:quartz_crystal'}
	}
})

-- Quartz Block
minetest.register_craft({
	output = '"quartz:block" 4',
	recipe = {
		{'quartz:quartz_crystal', 'quartz:quartz_crystal', ''},
		{'quartz:quartz_crystal', 'quartz:quartz_crystal', ''},
		{'', '', ''}
	}
})

-- Chiseled Quartz
minetest.register_craft({
	output = 'quartz:chiseled 2',
	recipe = {
		{'stairs:slab_quartzblock', '', ''},
		{'stairs:slab_quartzblock', '', ''},
		{'', '', ''},
	}
})

-- Chiseled Quartz (for stairsplus)
minetest.register_craft({
	output = 'quartz:chiseled 2',
	recipe = {
		{'quartz:slab_block', '', ''},
		{'quartz:slab_block', '', ''},
		{'', '', ''},
	}
})

-- Quartz Pillar
minetest.register_craft({
	output = 'quartz:pillar 2',
	recipe = {
		{'quartz:block', '', ''},
		{'quartz:block', '', ''},
		{'', '', ''},
	}
})

--
-- ABMS
--

local dirs2 = {12, 9, 18, 7, 12}

-- Replace all instances of the horizontal quartz pillar with the
minetest.register_abm({
	nodenames = {"quartz:pillar_horizontal"},
	interval = 1,
	chance = 1,
	action = function(pos, node, active_object_count, active_object_count_wider)
		local fdir = node.param2 or 0
			nfdir = dirs2[fdir+1]
		minetest.add_node(pos, {name = "quartz:pillar", param2 = nfdir})
	end,
})

--
-- Compatibility with stairsplus
--

if minetest.get_modpath("moreblocks") then
	local nodename = "quartz:block"
	local ndef = table.copy(minetest.registered_nodes[nodename])
	ndef.sunlight_propagates = true
	ndef.place_param2 = nil
	stairsplus:register_all("quartz", "block", nodename, ndef)

	nodename = "quartz:chiseled"
	ndef = table.copy(minetest.registered_nodes[nodename])
	ndef.sunlight_propagates = true
	ndef.place_param2 = nil
	stairsplus:register_all("quartz", "chiseled", nodename, ndef)

	nodename = "quartz:pillar"
	ndef = table.copy(minetest.registered_nodes[nodename])
	ndef.sunlight_propagates = true
	ndef.place_param2 = nil
	stairsplus:register_all("quartz", "pillar", nodename, ndef)

	minetest.register_alias("stairs:stair_quartzblock", "quartz:stair_block")
	minetest.register_alias("stairs:slab_quartzblock", "quartz:slab_block")
	minetest.register_alias("stairs:stair_quartzstair", "quartz:stair_pillar")
	minetest.register_alias("stairs:slab_quartzstair", "quartz:slab_pillar")
else
	-- Stairs & Slabs
	stairs.register_stair_and_slab("quartzblock", "quartz:block",
		{cracky=3, oddly_breakable_by_hand=1},
		{"quartz_block.png"},
		S("Quartz stair"),
		S("Quartz slab"),
		default.node_sound_glass_defaults())

	stairs.register_stair_and_slab("quartzstair", "quartz:pillar",
		{cracky=3, oddly_breakable_by_hand=1},
		{"quartz_pillar_top.png", "quartz_pillar_top.png", "quartz_pillar_side.png"},
		S("Quartz Pillar stair"),
		S("Quartz Pillar slab"),
		default.node_sound_glass_defaults())
end

--
-- Deprecated
--

if settings:get_bool("ENABLE_HORIZONTAL_PILLAR") then
	-- Quartz Pillar (horizontal)
	minetest.register_node("quartz:pillar_horizontal", {
			description = "Quartz Pillar Horizontal",
			tiles = {"quartz_pillar_side.png", "quartz_pillar_side.png", "quartz_pillar_side.png^[transformR90",
			"quartz_pillar_side.png^[transformR90", "quartz_pillar_top.png", "quartz_pillar_top.png"},
			paramtype2 = "facedir",
			drop = 'quartz:pillar',
			groups = {cracky=3, oddly_breakable_by_hand=1, not_in_creative_inventory=1},
			sounds = default.node_sound_glass_defaults(),
	})
end

minetest.log("action", "[quartz] loaded.")