-module(thrifty@types).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/thrifty/types.gleam").
-export([decode_error_to_string/1]).
-export_type([reader/0, field_type/0, field_header/0, decode_error/0, reader_options/0, bool_element_policy/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 reader() :: {reader, bitstring(), integer(), reader_options()}.

-type field_type() :: bool_true |
    bool_false |
    byte |
    i16 |
    i32 |
    i64 |
    double |
    binary |
    list |
    set |
    map |
    struct |
    stop.

-type field_header() :: {field_header, integer(), field_type()}.

-type decode_error() :: unexpected_end_of_input |
    invalid_varint |
    {invalid_field_type, integer(), integer()} |
    {unsupported_type, integer()} |
    {invalid_wire_format, binary()}.

-type reader_options() :: {reader_options,
        integer(),
        integer(),
        integer(),
        bool_element_policy()}.

-type bool_element_policy() :: accept_both | accept_canonical_only.

-file("src/thrifty/types.gleam", 71).
?DOC(
    " Convert a `DecodeError` into a human readable string for logging or\n"
    " metadata files.\n"
).
-spec decode_error_to_string(decode_error()) -> binary().
decode_error_to_string(Err) ->
    case Err of
        unexpected_end_of_input ->
            <<"UnexpectedEndOfInput"/utf8>>;

        invalid_varint ->
            <<"InvalidVarint"/utf8>>;

        {invalid_field_type, Expected, Got} ->
            <<<<<<<<"InvalidFieldType("/utf8,
                            (erlang:integer_to_binary(Expected))/binary>>/binary,
                        ","/utf8>>/binary,
                    (erlang:integer_to_binary(Got))/binary>>/binary,
                ")"/utf8>>;

        {unsupported_type, Code} ->
            <<<<"UnsupportedType("/utf8,
                    (erlang:integer_to_binary(Code))/binary>>/binary,
                ")"/utf8>>;

        {invalid_wire_format, Msg} ->
            <<<<"InvalidWireFormat("/utf8, Msg/binary>>/binary, ")"/utf8>>
    end.