-module(glitch@types@message).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([messsage_type_to_string/1, messsage_type_from_string/1, messsage_type_decoder/0, fragment_type_to_string/1, fragment_type_from_string/1, fragment_type_decoder/0, reply_decoder/0, mention_decoder/0, decoder/0]).
-export_type([message/0, message_type/0, fragment/0, fragment_type/0, reply/0, mention/0]).

-type message() :: {message, binary(), list(fragment())}.

-type message_type() :: text |
    channel_points_highlighted |
    channel_points_sub_only |
    user_intro.

-type fragment() :: {fragment,
        fragment_type(),
        binary(),
        gleam@option:option(glitch@types@cheermote:cheermote()),
        gleam@option:option(glitch@types@emote:emote()),
        gleam@option:option(mention())}.

-type fragment_type() :: text_fragment |
    cheermote_fragment |
    emote_fragment |
    mention_fragment.

-type reply() :: {reply,
        binary(),
        binary(),
        binary(),
        binary(),
        binary(),
        binary(),
        binary(),
        binary()}.

-type mention() :: {mention, binary(), binary(), binary()}.

-spec messsage_type_to_string(message_type()) -> binary().
messsage_type_to_string(Messsage_type) ->
    case Messsage_type of
        text ->
            <<"text"/utf8>>;

        channel_points_highlighted ->
            <<"channel_point_highlighted"/utf8>>;

        channel_points_sub_only ->
            <<"channel_points_sub_only"/utf8>>;

        user_intro ->
            <<"user_intro"/utf8>>
    end.

-spec messsage_type_from_string(binary()) -> {ok, message_type()} | {error, nil}.
messsage_type_from_string(String) ->
    case String of
        <<"text"/utf8>> ->
            {ok, text};

        <<"channel_point_highlighted"/utf8>> ->
            {ok, channel_points_highlighted};

        <<"channel_points_sub_only"/utf8>> ->
            {ok, channel_points_sub_only};

        <<"user_intro"/utf8>> ->
            {ok, user_intro};

        _ ->
            {error, nil}
    end.

-spec messsage_type_decoder() -> fun((gleam@dynamic:dynamic_()) -> {ok,
        message_type()} |
    {error, list(gleam@dynamic:decode_error())}).
messsage_type_decoder() ->
    fun(Data) ->
        gleam@result:'try'(
            gleam@dynamic:string(Data),
            fun(String) -> _pipe = String,
                _pipe@1 = messsage_type_from_string(_pipe),
                gleam@result:replace_error(
                    _pipe@1,
                    [{decode_error,
                            <<"MessageType"/utf8>>,
                            <<<<"String("/utf8, String/binary>>/binary,
                                ")"/utf8>>,
                            []}]
                ) end
        )
    end.

-spec fragment_type_to_string(fragment_type()) -> binary().
fragment_type_to_string(Fragment_type) ->
    case Fragment_type of
        text_fragment ->
            <<"text"/utf8>>;

        cheermote_fragment ->
            <<"cheermote"/utf8>>;

        emote_fragment ->
            <<"emote"/utf8>>;

        mention_fragment ->
            <<"mentiond"/utf8>>
    end.

-spec fragment_type_from_string(binary()) -> {ok, fragment_type()} |
    {error, nil}.
fragment_type_from_string(String) ->
    case String of
        <<"text"/utf8>> ->
            {ok, text_fragment};

        <<"cheermote"/utf8>> ->
            {ok, cheermote_fragment};

        <<"emote"/utf8>> ->
            {ok, emote_fragment};

        <<"mentiond"/utf8>> ->
            {ok, mention_fragment};

        _ ->
            {error, nil}
    end.

-spec fragment_type_decoder() -> fun((gleam@dynamic:dynamic_()) -> {ok,
        fragment_type()} |
    {error, list(gleam@dynamic:decode_error())}).
fragment_type_decoder() ->
    fun(Data) ->
        gleam@result:'try'(
            gleam@dynamic:string(Data),
            fun(String) -> _pipe = String,
                _pipe@1 = fragment_type_from_string(_pipe),
                gleam@result:replace_error(
                    _pipe@1,
                    [{decode_error,
                            <<"FragmentType"/utf8>>,
                            <<<<"String("/utf8, String/binary>>/binary,
                                ")"/utf8>>,
                            []}]
                ) end
        )
    end.

-spec reply_decoder() -> fun((gleam@dynamic:dynamic_()) -> {ok, reply()} |
    {error, list(gleam@dynamic:decode_error())}).
reply_decoder() ->
    gleam@dynamic:decode8(
        fun(Field@0, Field@1, Field@2, Field@3, Field@4, Field@5, Field@6, Field@7) -> {reply, Field@0, Field@1, Field@2, Field@3, Field@4, Field@5, Field@6, Field@7} end,
        gleam@dynamic:field(
            <<"parent_message_id"/utf8>>,
            fun gleam@dynamic:string/1
        ),
        gleam@dynamic:field(
            <<"parent_message_body"/utf8>>,
            fun gleam@dynamic:string/1
        ),
        gleam@dynamic:field(
            <<"parent_message_body"/utf8>>,
            fun gleam@dynamic:string/1
        ),
        gleam@dynamic:field(
            <<"parent_user_name"/utf8>>,
            fun gleam@dynamic:string/1
        ),
        gleam@dynamic:field(
            <<"parent_user_name"/utf8>>,
            fun gleam@dynamic:string/1
        ),
        gleam@dynamic:field(
            <<"thread_user_id"/utf8>>,
            fun gleam@dynamic:string/1
        ),
        gleam@dynamic:field(
            <<"thread_user_id"/utf8>>,
            fun gleam@dynamic:string/1
        ),
        gleam@dynamic:field(
            <<"thread_user_login"/utf8>>,
            fun gleam@dynamic:string/1
        )
    ).

-spec mention_decoder() -> fun((gleam@dynamic:dynamic_()) -> {ok, mention()} |
    {error, list(gleam@dynamic:decode_error())}).
mention_decoder() ->
    gleam@dynamic:decode3(
        fun(Field@0, Field@1, Field@2) -> {mention, Field@0, Field@1, Field@2} end,
        gleam@dynamic:field(<<"user_id"/utf8>>, fun gleam@dynamic:string/1),
        gleam@dynamic:field(<<"user_name"/utf8>>, fun gleam@dynamic:string/1),
        gleam@dynamic:field(<<"user_login"/utf8>>, fun gleam@dynamic:string/1)
    ).

-spec message_fragment_decoder() -> fun((gleam@dynamic:dynamic_()) -> {ok,
        fragment()} |
    {error, list(gleam@dynamic:decode_error())}).
message_fragment_decoder() ->
    gleam@dynamic:decode5(
        fun(Field@0, Field@1, Field@2, Field@3, Field@4) -> {fragment, Field@0, Field@1, Field@2, Field@3, Field@4} end,
        gleam@dynamic:field(<<"type"/utf8>>, fragment_type_decoder()),
        gleam@dynamic:field(<<"text"/utf8>>, fun gleam@dynamic:string/1),
        gleam@dynamic:optional_field(
            <<"cheermote"/utf8>>,
            glitch@types@cheermote:decoder()
        ),
        gleam@dynamic:optional_field(
            <<"emote"/utf8>>,
            glitch@types@emote:decoder()
        ),
        gleam@dynamic:optional_field(<<"mention"/utf8>>, mention_decoder())
    ).

-spec decoder() -> fun((gleam@dynamic:dynamic_()) -> {ok, message()} |
    {error, list(gleam@dynamic:decode_error())}).
decoder() ->
    gleam@dynamic:decode2(
        fun(Field@0, Field@1) -> {message, Field@0, Field@1} end,
        gleam@dynamic:field(<<"text"/utf8>>, fun gleam@dynamic:string/1),
        gleam@dynamic:field(
            <<"fragments"/utf8>>,
            gleam@dynamic:list(message_fragment_decoder())
        )
    ).