-module(telega@flow@types).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/telega/flow/types.gleam").
-export_type([flow_state/0, flow_stack_frame/0, parallel_state/0, flow_instance/0, wait_result/0, flow_instance_row/0, flow_storage/1, step_config/3, conditional_transition/1, parallel_config/1, subflow_config/3, flow_action/1, flow/3, flow_trigger/0, inline_step/0, composed_step/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.

?MODULEDOC(
    " Shared type definitions for the flow system.\n"
    "\n"
    " This module contains all types used across flow submodules.\n"
).

-type flow_state() :: {flow_state,
        binary(),
        gleam@dict:dict(binary(), binary()),
        list(binary()),
        list(flow_stack_frame()),
        gleam@option:option(parallel_state())}.

-type flow_stack_frame() :: {flow_stack_frame,
        binary(),
        binary(),
        gleam@dict:dict(binary(), binary())}.

-type parallel_state() :: {parallel_state,
        list(binary()),
        list(binary()),
        gleam@dict:dict(binary(), gleam@dict:dict(binary(), binary())),
        binary()}.

-type flow_instance() :: {flow_instance,
        binary(),
        binary(),
        integer(),
        integer(),
        flow_state(),
        gleam@dict:dict(binary(), binary()),
        gleam@option:option(binary()),
        gleam@option:option(integer()),
        integer(),
        integer()}.

-type wait_result() :: {text_input, binary()} |
    {bool_callback, boolean()} |
    {data_callback, binary()} |
    {photo_input, list(binary())} |
    {video_input, binary()} |
    {voice_input, binary()} |
    {audio_input, binary()} |
    {location_input, float(), float()} |
    {command_input, binary(), binary()} |
    pending.

-type flow_instance_row() :: {flow_instance_row,
        binary(),
        binary(),
        integer(),
        integer(),
        binary(),
        gleam@dict:dict(binary(), binary()),
        gleam@dict:dict(binary(), binary()),
        gleam@option:option(binary()),
        gleam@option:option(integer()),
        integer(),
        integer()}.

-type flow_storage(AKZP) :: {flow_storage,
        fun((flow_instance()) -> {ok, nil} | {error, AKZP}),
        fun((binary()) -> {ok, gleam@option:option(flow_instance())} |
            {error, AKZP}),
        fun((binary()) -> {ok, nil} | {error, AKZP}),
        fun((integer(), integer()) -> {ok, list(flow_instance())} |
            {error, AKZP})}.

-type step_config(AKZQ, AKZR, AKZS) :: {step_config,
        fun((telega@bot:context(AKZR, AKZS), flow_instance()) -> {ok,
                {telega@bot:context(AKZR, AKZS),
                    flow_action(AKZQ),
                    flow_instance()}} |
            {error, AKZS}),
        list(fun((telega@bot:context(AKZR, AKZS), flow_instance(), fun(() -> {ok,
                {telega@bot:context(AKZR, AKZS),
                    flow_action(AKZQ),
                    flow_instance()}} |
            {error, AKZS})) -> {ok,
                {telega@bot:context(AKZR, AKZS),
                    flow_action(AKZQ),
                    flow_instance()}} |
            {error, AKZS})),
        gleam@option:option(fun((telega@bot:context(AKZR, AKZS), flow_instance()) -> {ok,
                {telega@bot:context(AKZR, AKZS), flow_instance()}} |
            {error, AKZS})),
        gleam@option:option(fun((telega@bot:context(AKZR, AKZS), flow_instance()) -> {ok,
                {telega@bot:context(AKZR, AKZS), flow_instance()}} |
            {error, AKZS}))}.

-type conditional_transition(AKZT) :: {conditional_transition,
        binary(),
        list({fun((flow_instance()) -> boolean()), AKZT}),
        AKZT}.

-type parallel_config(AKZU) :: {parallel_config, binary(), list(AKZU), AKZU}.

-type subflow_config(AKZV, AKZW, AKZX) :: {subflow_config,
        binary(),
        flow(gleam@dynamic:dynamic_(), AKZW, AKZX),
        AKZV,
        fun((flow_instance()) -> gleam@dict:dict(binary(), binary())),
        fun((gleam@dict:dict(binary(), binary()), flow_instance()) -> flow_instance())}.

-type flow_action(AKZY) :: {next, AKZY} |
    {next_string, binary()} |
    back |
    {complete, gleam@dict:dict(binary(), binary())} |
    cancel |
    wait |
    wait_callback |
    {wait_with_timeout, integer()} |
    {wait_callback_with_timeout, integer()} |
    {go_to, AKZY} |
    {exit, gleam@option:option(gleam@dict:dict(binary(), binary()))} |
    {return_from_subflow, gleam@dict:dict(binary(), binary())} |
    {start_parallel, list(AKZY), AKZY} |
    {complete_parallel_step, AKZY, gleam@dict:dict(binary(), binary())} |
    {enter_subflow, binary(), gleam@dict:dict(binary(), binary())}.

-type flow(AKZZ, ALAA, ALAB) :: {flow,
        binary(),
        gleam@dict:dict(binary(), step_config(AKZZ, ALAA, ALAB)),
        AKZZ,
        fun((AKZZ) -> binary()),
        fun((binary()) -> {ok, AKZZ} | {error, nil}),
        flow_storage(ALAB),
        gleam@option:option(fun((telega@bot:context(ALAA, ALAB), flow_instance()) -> {ok,
                telega@bot:context(ALAA, ALAB)} |
            {error, ALAB})),
        gleam@option:option(fun((telega@bot:context(ALAA, ALAB), flow_instance(), gleam@option:option(ALAB)) -> {ok,
                telega@bot:context(ALAA, ALAB)} |
            {error, ALAB})),
        list(fun((telega@bot:context(ALAA, ALAB), flow_instance(), fun(() -> {ok,
                {telega@bot:context(ALAA, ALAB),
                    flow_action(AKZZ),
                    flow_instance()}} |
            {error, ALAB})) -> {ok,
                {telega@bot:context(ALAA, ALAB),
                    flow_action(AKZZ),
                    flow_instance()}} |
            {error, ALAB})),
        list(conditional_transition(AKZZ)),
        list(parallel_config(AKZZ)),
        list(subflow_config(AKZZ, ALAA, ALAB)),
        gleam@option:option(fun((telega@bot:context(ALAA, ALAB), flow_instance()) -> {ok,
                {telega@bot:context(ALAA, ALAB), flow_instance()}} |
            {error, ALAB})),
        gleam@option:option(fun((telega@bot:context(ALAA, ALAB), flow_instance()) -> {ok,
                {telega@bot:context(ALAA, ALAB), flow_instance()}} |
            {error, ALAB})),
        gleam@option:option(fun((telega@bot:context(ALAA, ALAB), flow_instance()) -> {ok,
                telega@bot:context(ALAA, ALAB)} |
            {error, ALAB})),
        gleam@option:option(integer()),
        gleam@option:option(fun((telega@bot:context(ALAA, ALAB), flow_instance()) -> {ok,
                telega@bot:context(ALAA, ALAB)} |
            {error, ALAB}))}.

-type flow_trigger() :: {on_command, binary()} |
    {on_text, telega@router:pattern()} |
    {on_callback, telega@router:pattern()} |
    {on_filtered, telega@router:filter()} |
    on_photo |
    on_video |
    on_audio |
    on_voice |
    on_any_text.

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

-type composed_step() :: {composed_flow_step, integer()} |
    composed_select_flow |
    composed_start_parallel |
    {composed_parallel_flow, integer()} |
    composed_merge_results.