-module(gllm@types@usage).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/gllm/types/usage.gleam").
-export([completion_tokens_details_decoder/0, usage_decoder/0]).
-export_type([completion_tokens_details/0, usage/0]).

-type completion_tokens_details() :: {completion_tokens_details, integer()}.

-type usage() :: {usage,
        integer(),
        integer(),
        integer(),
        gleam@option:option(completion_tokens_details())}.

-file("src/gllm/types/usage.gleam", 17).
-spec completion_tokens_details_decoder() -> gleam@dynamic@decode:decoder(completion_tokens_details()).
completion_tokens_details_decoder() ->
    gleam@dynamic@decode:field(
        <<"reasoning_tokens"/utf8>>,
        {decoder, fun gleam@dynamic@decode:decode_int/1},
        fun(Reasoning_tokens) ->
            gleam@dynamic@decode:success(
                {completion_tokens_details, Reasoning_tokens}
            )
        end
    ).

-file("src/gllm/types/usage.gleam", 22).
-spec usage_decoder() -> gleam@dynamic@decode:decoder(usage()).
usage_decoder() ->
    gleam@dynamic@decode:field(
        <<"prompt_tokens"/utf8>>,
        {decoder, fun gleam@dynamic@decode:decode_int/1},
        fun(Prompt_tokens) ->
            gleam@dynamic@decode:field(
                <<"completion_tokens"/utf8>>,
                {decoder, fun gleam@dynamic@decode:decode_int/1},
                fun(Completion_tokens) ->
                    gleam@dynamic@decode:field(
                        <<"total_tokens"/utf8>>,
                        {decoder, fun gleam@dynamic@decode:decode_int/1},
                        fun(Total_tokens) ->
                            gleam@dynamic@decode:optional_field(
                                <<"completion_tokens_details"/utf8>>,
                                none,
                                gleam@dynamic@decode:optional(
                                    completion_tokens_details_decoder()
                                ),
                                fun(Completion_tokens_details) ->
                                    gleam@dynamic@decode:success(
                                        {usage,
                                            Prompt_tokens,
                                            Completion_tokens,
                                            Total_tokens,
                                            Completion_tokens_details}
                                    )
                                end
                            )
                        end
                    )
                end
            )
        end
    ).