-module(claude@types@error).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/claude/types/error.gleam").
-export([from_status/2]).
-export_type([api_error/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 api_error() :: {authentication_error, binary()} |
    {rate_limit_error, binary(), gleam@option:option(integer())} |
    {bad_request_error, binary()} |
    {not_found_error, binary()} |
    {server_error, binary(), integer()} |
    {connection_error, binary()} |
    timeout_error |
    {unknown_error, binary(), integer()}.

-file("src/claude/types/error.gleam", 21).
?DOC(
    " Map an HTTP status code and response body to an ApiError.\n"
    "\n"
    " TODO: Parse the `Retry-After` header for 429 responses. Currently this\n"
    " always sets `retry_after: None` because only the response body is available\n"
    " here — plumbing the response headers through would require changes to the\n"
    " HTTP handling layer.\n"
).
-spec from_status(integer(), binary()) -> api_error().
from_status(Status, Body) ->
    case Status of
        401 ->
            {authentication_error, Body};

        403 ->
            {authentication_error, Body};

        429 ->
            {rate_limit_error, Body, none};

        400 ->
            {bad_request_error, Body};

        404 ->
            {not_found_error, Body};

        S when S >= 500 ->
            {server_error, Body, S};

        S@1 ->
            {unknown_error, Body, S@1}
    end.