-module(telega).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch]).

-export([is_webhook_path/2, is_secret_token_valid/2, new/4, handle_all/2, wait_any/2, handle_command/3, wait_command/3, handle_commands/3, wait_commands/3, handle_text/2, wait_text/2, handle_hears/3, wait_hears/3, handle_callback_query/3, wait_callback_query/3, log_context/3, with_session_settings/3, init/1, init_nil_session/1, handle_update/2]).
-export_type([telega/1, telega_builder/1]).

-opaque telega(UTZ) :: {telega,
        telega@internal@config:config(),
        telega@model:user(),
        list(telega@bot:handler(UTZ)),
        telega@bot:session_settings(UTZ),
        gleam@erlang@process:subject(telega@bot:registry_message())}.

-opaque telega_builder(UUA) :: {telega_builder,
        telega@internal@config:config(),
        list(telega@bot:handler(UUA)),
        gleam@option:option(telega@bot:session_settings(UUA)),
        gleam@option:option(gleam@erlang@process:subject(telega@bot:registry_message()))}.

-spec is_webhook_path(telega(any()), binary()) -> boolean().
is_webhook_path(Telega, Path) ->
    erlang:element(3, erlang:element(2, Telega)) =:= Path.

-spec is_secret_token_valid(telega(any()), binary()) -> boolean().
is_secret_token_valid(Telega, Token) ->
    erlang:element(4, erlang:element(2, Telega)) =:= Token.

-spec new(binary(), binary(), binary(), gleam@option:option(binary())) -> telega_builder(any()).
new(Token, Server_url, Webhook_path, Secret_token) ->
    {telega_builder,
        telega@internal@config:new(
            Token,
            Server_url,
            Webhook_path,
            Secret_token
        ),
        [],
        none,
        none}.

-spec handle_all(
    telega_builder(UUI),
    fun((telega@bot:context(UUI)) -> {ok, UUI} | {error, binary()})
) -> telega_builder(UUI).
handle_all(Builder, Handler) ->
    erlang:setelement(
        3,
        Builder,
        [{handle_all, Handler} | erlang:element(3, Builder)]
    ).

-spec wait_any(
    telega@bot:context(UUO),
    fun((telega@bot:context(UUO)) -> {ok, UUO} | {error, binary()})
) -> {ok, UUO} | {error, binary()}.
wait_any(Ctx, Continue) ->
    telega@bot:wait_handler(Ctx, {handle_all, Continue}).

-spec handle_command(
    telega_builder(UUV),
    binary(),
    fun((telega@bot:context(UUV), telega@update:command()) -> {ok, UUV} |
        {error, binary()})
) -> telega_builder(UUV).
handle_command(Builder, Command, Handler) ->
    erlang:setelement(
        3,
        Builder,
        [{handle_command, Command, Handler} | erlang:element(3, Builder)]
    ).

-spec wait_command(
    telega@bot:context(UVB),
    binary(),
    fun((telega@bot:context(UVB), telega@update:command()) -> {ok, UVB} |
        {error, binary()})
) -> {ok, UVB} | {error, binary()}.
wait_command(Ctx, Command, Continue) ->
    telega@bot:wait_handler(Ctx, {handle_command, Command, Continue}).

-spec handle_commands(
    telega_builder(UVI),
    list(binary()),
    fun((telega@bot:context(UVI), telega@update:command()) -> {ok, UVI} |
        {error, binary()})
) -> telega_builder(UVI).
handle_commands(Builder, Commands, Handler) ->
    erlang:setelement(
        3,
        Builder,
        [{handle_commands, Commands, Handler} | erlang:element(3, Builder)]
    ).

-spec wait_commands(
    telega@bot:context(UVP),
    list(binary()),
    fun((telega@bot:context(UVP), telega@update:command()) -> {ok, UVP} |
        {error, binary()})
) -> {ok, UVP} | {error, binary()}.
wait_commands(Ctx, Commands, Continue) ->
    telega@bot:wait_handler(Ctx, {handle_commands, Commands, Continue}).

-spec handle_text(
    telega_builder(UVX),
    fun((telega@bot:context(UVX), binary()) -> {ok, UVX} | {error, binary()})
) -> telega_builder(UVX).
handle_text(Builder, Handler) ->
    erlang:setelement(
        3,
        Builder,
        [{handle_text, Handler} | erlang:element(3, Builder)]
    ).

-spec wait_text(
    telega@bot:context(UWD),
    fun((telega@bot:context(UWD), binary()) -> {ok, UWD} | {error, binary()})
) -> {ok, UWD} | {error, binary()}.
wait_text(Ctx, Continue) ->
    telega@bot:wait_handler(Ctx, {handle_text, Continue}).

-spec handle_hears(
    telega_builder(UWK),
    telega@bot:hears(),
    fun((telega@bot:context(UWK), binary()) -> {ok, UWK} | {error, binary()})
) -> telega_builder(UWK).
handle_hears(Builder, Hears, Handler) ->
    erlang:setelement(
        3,
        Builder,
        [{handle_hears, Hears, Handler} | erlang:element(3, Builder)]
    ).

-spec wait_hears(
    telega@bot:context(UWQ),
    telega@bot:hears(),
    fun((telega@bot:context(UWQ), binary()) -> {ok, UWQ} | {error, binary()})
) -> {ok, UWQ} | {error, binary()}.
wait_hears(Ctx, Hears, Continue) ->
    telega@bot:wait_handler(Ctx, {handle_hears, Hears, Continue}).

-spec handle_callback_query(
    telega_builder(UWW),
    telega@bot:callback_query_filter(),
    fun((telega@bot:context(UWW), binary(), binary()) -> {ok, UWW} |
        {error, binary()})
) -> telega_builder(UWW).
handle_callback_query(Builder, Filter, Handler) ->
    erlang:setelement(
        3,
        Builder,
        [{handle_callback_query, Filter, Handler} | erlang:element(3, Builder)]
    ).

-spec wait_callback_query(
    telega@bot:context(UXC),
    telega@bot:callback_query_filter(),
    fun((telega@bot:context(UXC), binary(), binary()) -> {ok, UXC} |
        {error, binary()})
) -> {ok, UXC} | {error, binary()}.
wait_callback_query(Ctx, Filter, Continue) ->
    telega@bot:wait_handler(Ctx, {handle_callback_query, Filter, Continue}).

-spec log_context(
    telega@bot:context(UXJ),
    binary(),
    fun(() -> {ok, UXJ} | {error, binary()})
) -> {ok, UXJ} | {error, binary()}.
log_context(Ctx, Prefix, Handler) ->
    Prefix@1 = <<<<"["/utf8, Prefix/binary>>/binary, "] "/utf8>>,
    telega@log:info(
        <<<<Prefix@1/binary, "Received update: "/utf8>>/binary,
            (gleam@string:inspect(erlang:element(3, Ctx)))/binary>>
    ),
    _pipe = Handler(),
    gleam@result:map_error(
        _pipe,
        fun(E) ->
            telega@log:error(
                <<<<Prefix@1/binary, "Handler failed: "/utf8>>/binary,
                    (gleam@string:inspect(E))/binary>>
            ),
            E
        end
    ).

-spec with_session_settings(
    telega_builder(UXP),
    fun((binary(), UXP) -> {ok, UXP} | {error, binary()}),
    fun((binary()) -> {ok, UXP} | {error, binary()})
) -> telega_builder(UXP).
with_session_settings(Builder, Persist_session, Get_session) ->
    erlang:setelement(
        4,
        Builder,
        {some, {session_settings, Persist_session, Get_session}}
    ).

-spec nil_session_settings(telega_builder(nil)) -> telega_builder(nil).
nil_session_settings(Builder) ->
    erlang:setelement(
        4,
        Builder,
        {some,
            {session_settings,
                fun(_, _) -> {ok, nil} end,
                fun(_) -> {ok, nil} end}}
    ).

-spec init(telega_builder(UYC)) -> {ok, telega(UYC)} | {error, binary()}.
init(Builder) ->
    gleam@result:'try'(
        telega@bot:set_webhook(erlang:element(2, Builder)),
        fun(Is_ok) ->
            gleam@bool:guard(
                not Is_ok,
                {error, <<"Failed to set webhook"/utf8>>},
                fun() ->
                    gleam@result:'try'(
                        telega@api:get_me(
                            erlang:element(5, erlang:element(2, Builder))
                        ),
                        fun(Bot_info) ->
                            Session_settings = gleam@option:to_result(
                                erlang:element(4, Builder),
                                <<"Session settings not initialized"/utf8>>
                            ),
                            gleam@result:'try'(
                                Session_settings,
                                fun(Session_settings@1) ->
                                    Telega_subject = gleam@erlang@process:new_subject(
                                        
                                    ),
                                    Registry_actor = gleam@otp@supervisor:supervisor(
                                        fun(_) ->
                                            telega@bot:start_registry(
                                                erlang:element(2, Builder),
                                                erlang:element(3, Builder),
                                                Session_settings@1,
                                                Telega_subject,
                                                Bot_info
                                            )
                                        end
                                    ),
                                    gleam@result:'try'(
                                        begin
                                            _pipe = gleam@otp@supervisor:start(
                                                fun(_capture) ->
                                                    gleam@otp@supervisor:add(
                                                        _capture,
                                                        Registry_actor
                                                    )
                                                end
                                            ),
                                            gleam@result:map_error(
                                                _pipe,
                                                fun(E) ->
                                                    <<"Failed to start telega:\n"/utf8,
                                                        (gleam@string:inspect(E))/binary>>
                                                end
                                            )
                                        end,
                                        fun(_) ->
                                            gleam@result:'try'(
                                                begin
                                                    _pipe@1 = gleam@erlang@process:'receive'(
                                                        Telega_subject,
                                                        1000
                                                    ),
                                                    gleam@result:map_error(
                                                        _pipe@1,
                                                        fun(E@1) ->
                                                            <<"Failed to start registry:\n"/utf8,
                                                                (gleam@string:inspect(
                                                                    E@1
                                                                ))/binary>>
                                                        end
                                                    )
                                                end,
                                                fun(Registry_subject) ->
                                                    {ok,
                                                        {telega,
                                                            erlang:element(
                                                                2,
                                                                Builder
                                                            ),
                                                            Bot_info,
                                                            erlang:element(
                                                                3,
                                                                Builder
                                                            ),
                                                            Session_settings@1,
                                                            Registry_subject}}
                                                end
                                            )
                                        end
                                    )
                                end
                            )
                        end
                    )
                end
            )
        end
    ).

-spec init_nil_session(telega_builder(nil)) -> {ok, telega(nil)} |
    {error, binary()}.
init_nil_session(Builder) ->
    _pipe = Builder,
    _pipe@1 = nil_session_settings(_pipe),
    init(_pipe@1).

-spec handle_update(telega(any()), telega@update:update()) -> {ok, nil} |
    {error, binary()}.
handle_update(Telega, Update) ->
    {ok,
        gleam@otp@actor:send(
            erlang:element(6, Telega),
            {handle_bot_registry_message, Update}
        )}.