local S = minetest.get_translator("lzr_editor")

minetest.register_chatcommand("editor", {
	privs = { server = true },
	description = S("Start or exit level editor"),
	params = S("[ enter | exit ]"),
	func = function(name, param)
		if param == "" or param == "enter" then
			local state = lzr_gamestate.get_state()
			if state == lzr_gamestate.EDITOR then
				return false, S("Already in level editor!")
			elseif state == lzr_gamestate.LEVEL or state == lzr_gamestate.LEVEL_COMPLETE then
				lzr_gamestate.set_state(lzr_gamestate.EDITOR)
				return true
			else
				lzr_levels.start_level(1)
				lzr_gamestate.set_state(lzr_gamestate.EDITOR)
				return true
			end
		elseif param == "exit" then
			local state = lzr_gamestate.get_state()
			if state ~= lzr_gamestate.EDITOR then
				return false, S("Not in level editor!")
			else
				lzr_gamestate.set_state(lzr_gamestate.LEVEL)
				return true
			end
		end
		return false
	end,
})


-- Dummy save and load functions (only 1 level name supported for now)
minetest.register_chatcommand("editor_save", {
	privs = { server = true },
	description = S("Save current level"),
	params = "",
	func = function(name, param)
		-- TODO: Don't save the lasers
		if lzr_gamestate.get_state() ~= lzr_gamestate.EDITOR then
			return false, S("Not in editor mode!")
		end
		local num = tonumber(param)
		local level_name = "level_custom_1"
		minetest.mkdir(minetest.get_worldpath().."/levels")
		local filename = minetest.get_worldpath().."/levels/"..level_name..".mts"
		local ok = minetest.create_schematic(lzr_globals.LEVEL_POS, vector.add(lzr_globals.LEVEL_POS, lzr_globals.PLAYFIELD_SIZE), {}, filename, {})
		if ok then
			minetest.log("action", "[lzr_editor] Level written to "..filename)
			return true, S("Level saved to @1.", filename)
		else
			minetest.log("error", "[lzr_editor] Failed to write level to "..filename)
			return false, S("Error writing level file!")
		end
	end,
})

minetest.register_chatcommand("editor_load", {
	privs = { server = true },
	description = S("Load level"),
	params = "",
	func = function(name, param)
		if lzr_gamestate.get_state() ~= lzr_gamestate.EDITOR then
			return false, S("Not in editor mode!")
		end
		local level_name = "level_custom_1"
		minetest.mkdir(minetest.get_worldpath().."/levels")
		local filename = minetest.get_worldpath().."/levels/"..level_name..".mts"
		local schem = minetest.read_schematic(filename, {})
		if schem then
			minetest.place_schematic(lzr_globals.LEVEL_POS, schem, "0", {}, true, {})
			minetest.log("action", "[lzr_editor] Level loaded from "..filename)
			return true, S("Level loaded.")
		else
			minetest.log("error", "[lzr_editor] Failed to read level from "..filename)
			return false, S("Error reading level file!")
		end
	end,
})



lzr_gamestate.register_on_enter_state(function(state)
	if state == lzr_gamestate.EDITOR then
		local player = minetest.get_player_by_name("singleplayer")
		lzr_player.set_editor_inventory(player)
		lzr_gui.set_editor_gui(player)
	end
end)