--- Server Shops Nodes
--
-- @topic nodes

local ss = server_shop
local S = core.get_translator(ss.modname)

-- #################################################################
-- ## GEMEINSAME FUNKTIONEN
-- #################################################################

local function after_place_node(pos, placer, itemstack)
	local meta = core.get_meta(pos)
	if itemstack:get_name() == "server_shop:shop_large" then
		meta:get_inventory():set_size("main", 20)
	else
		meta:get_inventory():set_size("main", 10)
	end
	meta:set_string("owner", placer:get_player_name())
	meta:set_string("prices", core.serialize({}))
	meta:set_int("cash_reserve", 0)
	meta:set_string("name", S("@1's Shop", placer:get_player_name()))
	ss.update_infotext(pos)
end

local function on_rightclick(pos, node, player, itemstack, pointed_thing)
	if core.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name == ss.modname..":shop_large_bottom" then
		pos.y = pos.y - 1
	end
	
	local pmeta = player:get_meta()
	pmeta:set_string(ss.modname .. ":pos", core.serialize(pos))
	
	if not (ss.is_shop_owner(pos, player) or ss.is_shop_admin(player)) then
		pmeta:set_int(ss.modname..":session_credit", 0)
	end

	ss.show_formspec(pos, player)
end

local function can_dig(pos, player)
	local owner_pos = {x=pos.x, y=pos.y, z=pos.z}
	if core.get_node({x=pos.x, y=pos.y-1, z=pos.z}).name == ss.modname..":shop_large_bottom" then
		owner_pos.y = pos.y - 1
	end
	return ss.is_shop_owner(owner_pos, player) or ss.is_shop_admin(player)
end


-- #################################################################
-- ## SHOP-DEFINITIONEN
-- #################################################################

-- Kleiner Shop (1 Block)
core.register_node(ss.modname..":shop_small", {
	description = S("Shop"),
	paramtype2 = "facedir",
	groups = {choppy=1, oddly_breakable_by_hand=1},
	sounds = default.node_sound_stone_defaults(),
	tiles = {
		"server_shop_side.png", "server_shop_side.png", "server_shop_side.png",
		"server_shop_side.png", "server_shop_side.png", "server_shop_front.png",
	},
	after_place_node = after_place_node,
	on_rightclick = on_rightclick,
	can_dig = can_dig,
})

-- Großer Shop, unterer Teil (enthält alle Daten)
core.register_node(ss.modname..":shop_large_bottom", {
	description = S("Großer Shop"),
	paramtype2 = "facedir",
	drop = ss.modname..":shop_large_bottom",
	groups = {choppy=1, oddly_breakable_by_hand=1, not_in_creative_inventory=1},
	sounds = default.node_sound_stone_defaults(),
	tiles = {
		"server_shop_side.png", "server_shop_side.png", "server_shop_side.png",
		"server_shop_side.png", "server_shop_side.png", "server_shop_front_large_bottom.png",
	},
	after_place_node = function(pos, placer)
		local meta = core.get_meta(pos)
		meta:get_inventory():set_size("main", 20)
		meta:set_string("owner", placer:get_player_name())
		meta:set_string("prices", core.serialize({}))
		meta:set_int("cash_reserve", 0)
		meta:set_string("name", S("@1's Großer Shop", placer:get_player_name()))
		ss.update_infotext(pos)
		
		local above = {x=pos.x, y=pos.y+1, z=pos.z}
		core.set_node(above, {name=ss.modname..":shop_large_top", param2=core.get_node(pos).param2})
	end,
	on_destruct = function(pos)
		local above = {x=pos.x, y=pos.y+1, z=pos.z}
		if core.get_node(above).name == ss.modname..":shop_large_top" then
			core.set_node(above, {name="air"})
		end
	end,
	on_rightclick = on_rightclick,
	can_dig = can_dig,
})

-- Großer Shop, oberer Teil
core.register_node(ss.modname..":shop_large_top", {
	description = S("Großer Shop"),
	paramtype2 = "facedir",
	diggable = false,
	drop = "",
	groups = {not_in_creative_inventory=1},
	sounds = default.node_sound_stone_defaults(),
	tiles = {
		"server_shop_side.png", "server_shop_side.png", "server_shop_side.png",
		"server_shop_side.png", "server_shop_side.png", "server_shop_front_large_top.png",
	},
	-- KORREKTUR: on_destruct-Funktion hier komplett entfernt, um die Schleife zu verhindern.
	on_rightclick = on_rightclick,
})


-- Alias für den give-Befehl
core.register_alias(ss.modname..":shop", ss.modname..":shop_small")
core.register_alias(ss.modname..":shop_large", ss.modname..":shop_large_bottom")