-module(shelf).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/shelf.gleam").
-export([config/2, write_mode/2]).
-export_type([shelf_error/0, write_mode/0, config/0]).

-if(?OTP_RELEASE >= 27).
-define(MODULEDOC(Str), -moduledoc(Str)).
-define(DOC(Str), -doc(Str)).
-else.
-define(MODULEDOC(Str), -compile([])).
-define(DOC(Str), -compile([])).
-endif.

-type shelf_error() :: not_found |
    key_already_present |
    table_closed |
    {file_error, binary()} |
    name_conflict |
    file_size_limit_exceeded |
    {erlang_error, binary()}.

-type write_mode() :: write_back | write_through.

-type config() :: {config, binary(), binary(), write_mode()}.

-file("src/shelf.gleam", 89).
?DOC(
    " Create a config with the default write mode (WriteBack).\n"
    "\n"
    " ```gleam\n"
    " let conf = shelf.config(name: \"users\", path: \"data/users.dets\")\n"
    " ```\n"
).
-spec config(binary(), binary()) -> config().
config(Name, Path) ->
    {config, Name, Path, write_back}.

-file("src/shelf.gleam", 101).
?DOC(
    " Set the write mode on a config.\n"
    "\n"
    " ```gleam\n"
    " let conf =\n"
    "   shelf.config(name: \"users\", path: \"data/users.dets\")\n"
    "   |> shelf.write_mode(shelf.WriteThrough)\n"
    " ```\n"
).
-spec write_mode(config(), write_mode()) -> config().
write_mode(Config, Mode) ->
    {config, erlang:element(2, Config), erlang:element(3, Config), Mode}.