-module(franz@topic_subscriber).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([ack/1, new/6, with_config/2, with_commited_offset/3, start/1]).
-export_type([builder/1, ack/0]).

-opaque builder(FTG) :: {builder,
        franz:franz_client(),
        binary(),
        franz@partitions:partitions(),
        list({integer(), integer()}),
        franz@message_type:message_type(),
        fun((integer(), franz:kafka_message(), FTG) -> ack()),
        FTG,
        list(franz@consumer_config:consumer_config())}.

-type ack() :: any().

-file("src/franz/topic_subscriber.gleam", 23).
-spec ack(any()) -> ack().
ack(Cb_state) ->
    franz_ffi:ack(Cb_state).

-file("src/franz/topic_subscriber.gleam", 37).
-spec new(
    franz:franz_client(),
    binary(),
    franz@partitions:partitions(),
    franz@message_type:message_type(),
    fun((integer(), franz:kafka_message(), FTN) -> ack()),
    FTN
) -> builder(FTN).
new(Client, Topic, Partitions, Message_type, Callback, Init_callback_state) ->
    {builder,
        Client,
        Topic,
        Partitions,
        [],
        Message_type,
        Callback,
        Init_callback_state,
        []}.

-file("src/franz/topic_subscriber.gleam", 57).
-spec with_config(builder(FTP), franz@consumer_config:consumer_config()) -> builder(FTP).
with_config(Builder, Consumer_config) ->
    _record = Builder,
    {builder,
        erlang:element(2, _record),
        erlang:element(3, _record),
        erlang:element(4, _record),
        erlang:element(5, _record),
        erlang:element(6, _record),
        erlang:element(7, _record),
        erlang:element(8, _record),
        [Consumer_config | erlang:element(9, Builder)]}.

-file("src/franz/topic_subscriber.gleam", 67).
-spec with_commited_offset(builder(FTS), integer(), integer()) -> builder(FTS).
with_commited_offset(Builder, Partition, Offset) ->
    _record = Builder,
    {builder,
        erlang:element(2, _record),
        erlang:element(3, _record),
        erlang:element(4, _record),
        [{Partition, Offset} | erlang:element(5, Builder)],
        erlang:element(6, _record),
        erlang:element(7, _record),
        erlang:element(8, _record),
        erlang:element(9, _record)}.

-file("src/franz/topic_subscriber.gleam", 78).
-spec start(builder(any())) -> {ok, gleam@erlang@process:pid_()} |
    {error, franz:franz_error()}.
start(Builder) ->
    franz_ffi:start_topic_subscriber(
        erlang:element(2, Builder),
        erlang:element(3, Builder),
        erlang:element(4, Builder),
        erlang:element(9, Builder),
        erlang:element(5, Builder),
        erlang:element(6, Builder),
        erlang:element(7, Builder),
        erlang:element(8, Builder)
    ).