roundabout

-module(roundabout@type_name).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/roundabout/type_name.gleam").
-export([new/1, unsafe/1, name/1, snake/1]).
-export_type([type_name/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.

-opaque type_name() :: {type_name, binary()}.

-file("src/roundabout/type_name.gleam", 10).
?DOC(false).
-spec new(binary()) -> {ok, type_name()} | {error, binary()}.
new(Name) ->
    Re@1 = case gleam@regexp:from_string(<<"^[A-Z][a-zA-Z0-9]*$"/utf8>>) of
        {ok, Re} -> Re;
        _assert_fail ->
            erlang:error(#{gleam_error => let_assert,
                        message => <<"Pattern match failed, no pattern matched the value."/utf8>>,
                        file => <<?FILEPATH/utf8>>,
                        module => <<"roundabout/type_name"/utf8>>,
                        function => <<"new"/utf8>>,
                        line => 11,
                        value => _assert_fail,
                        start => 167,
                        'end' => 228,
                        pattern_start => 178,
                        pattern_end => 184})
    end,
    Candidate = justin:pascal_case(Name),
    case gleam@regexp:check(Re@1, Candidate) of
        true ->
            {ok, {type_name, Candidate}};

        false ->
            {error, <<"Invalid type name "/utf8, Name/binary>>}
    end.

-file("src/roundabout/type_name.gleam", 22).
?DOC(false).
-spec unsafe(binary()) -> type_name().
unsafe(Value) ->
    {type_name, Value}.

-file("src/roundabout/type_name.gleam", 27).
?DOC(false).
-spec name(type_name()) -> binary().
name(Input) ->
    erlang:element(2, Input).

-file("src/roundabout/type_name.gleam", 32).
?DOC(false).
-spec snake(type_name()) -> binary().
snake(Input) ->
    _pipe = erlang:element(2, Input),
    justin:snake_case(_pipe).