-module(gleeth@ethereum@abi@json).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/gleeth/ethereum/abi/json.gleam").
-export([find_function/2, find_events/1, input_types/1, output_types/1, parse_abi/1]).
-export_type([abi_entry/0, abi_param/0, event_param/0, raw_entry/0, raw_param/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.

-type abi_entry() :: {function_entry,
        binary(),
        list(abi_param()),
        list(abi_param()),
        binary()} |
    {event_entry, binary(), list(event_param())}.

-type abi_param() :: {abi_param, binary(), gleeth@ethereum@abi@types:abi_type()}.

-type event_param() :: {event_param,
        binary(),
        gleeth@ethereum@abi@types:abi_type(),
        boolean()}.

-type raw_entry() :: {raw_entry,
        binary(),
        binary(),
        list(raw_param()),
        list(raw_param()),
        binary()}.

-type raw_param() :: {raw_param, binary(), binary(), boolean()}.

-file("src/gleeth/ethereum/abi/json.gleam", 45).
?DOC(" Find a function entry by name.\n").
-spec find_function(list(abi_entry()), binary()) -> {ok, abi_entry()} |
    {error, gleeth@ethereum@abi@types:abi_error()}.
find_function(Entries, Name) ->
    case gleam@list:find(Entries, fun(Entry) -> case Entry of
                {function_entry, N, _, _, _} ->
                    N =:= Name;

                _ ->
                    false
            end end) of
        {ok, Entry@1} ->
            {ok, Entry@1};

        {error, _} ->
            {error,
                {invalid_abi_json, <<"Function not found: "/utf8, Name/binary>>}}
    end.

-file("src/gleeth/ethereum/abi/json.gleam", 63).
?DOC(" Find all event entries.\n").
-spec find_events(list(abi_entry())) -> list(abi_entry()).
find_events(Entries) ->
    gleam@list:filter(Entries, fun(Entry) -> case Entry of
                {event_entry, _, _} ->
                    true;

                _ ->
                    false
            end end).

-file("src/gleeth/ethereum/abi/json.gleam", 73).
?DOC(" Get input types from a function entry.\n").
-spec input_types(abi_entry()) -> list(gleeth@ethereum@abi@types:abi_type()).
input_types(Entry) ->
    case Entry of
        {function_entry, _, Inputs, _, _} ->
            gleam@list:map(Inputs, fun(P) -> erlang:element(3, P) end);

        {event_entry, _, _} ->
            []
    end.

-file("src/gleeth/ethereum/abi/json.gleam", 81).
?DOC(" Get output types from a function entry.\n").
-spec output_types(abi_entry()) -> list(gleeth@ethereum@abi@types:abi_type()).
output_types(Entry) ->
    case Entry of
        {function_entry, _, _, Outputs, _} ->
            gleam@list:map(Outputs, fun(P) -> erlang:element(3, P) end);

        {event_entry, _, _} ->
            []
    end.

-file("src/gleeth/ethereum/abi/json.gleam", 134).
-spec raw_param_decoder() -> gleam@dynamic@decode:decoder(raw_param()).
raw_param_decoder() ->
    gleam@dynamic@decode:optional_field(
        <<"name"/utf8>>,
        <<""/utf8>>,
        {decoder, fun gleam@dynamic@decode:decode_string/1},
        fun(Name) ->
            gleam@dynamic@decode:field(
                <<"type"/utf8>>,
                {decoder, fun gleam@dynamic@decode:decode_string/1},
                fun(Type_string) ->
                    gleam@dynamic@decode:optional_field(
                        <<"indexed"/utf8>>,
                        false,
                        {decoder, fun gleam@dynamic@decode:decode_bool/1},
                        fun(Indexed) ->
                            gleam@dynamic@decode:success(
                                {raw_param, Name, Type_string, Indexed}
                            )
                        end
                    )
                end
            )
        end
    ).

-file("src/gleeth/ethereum/abi/json.gleam", 107).
-spec raw_entry_decoder() -> gleam@dynamic@decode:decoder(raw_entry()).
raw_entry_decoder() ->
    gleam@dynamic@decode:optional_field(
        <<"type"/utf8>>,
        <<"function"/utf8>>,
        {decoder, fun gleam@dynamic@decode:decode_string/1},
        fun(Entry_type) ->
            gleam@dynamic@decode:optional_field(
                <<"name"/utf8>>,
                <<""/utf8>>,
                {decoder, fun gleam@dynamic@decode:decode_string/1},
                fun(Name) ->
                    gleam@dynamic@decode:optional_field(
                        <<"inputs"/utf8>>,
                        [],
                        gleam@dynamic@decode:list(raw_param_decoder()),
                        fun(Inputs) ->
                            gleam@dynamic@decode:optional_field(
                                <<"outputs"/utf8>>,
                                [],
                                gleam@dynamic@decode:list(raw_param_decoder()),
                                fun(Outputs) ->
                                    gleam@dynamic@decode:optional_field(
                                        <<"stateMutability"/utf8>>,
                                        <<""/utf8>>,
                                        {decoder,
                                            fun gleam@dynamic@decode:decode_string/1},
                                        fun(State_mutability) ->
                                            gleam@dynamic@decode:success(
                                                {raw_entry,
                                                    Entry_type,
                                                    Name,
                                                    Inputs,
                                                    Outputs,
                                                    State_mutability}
                                            )
                                        end
                                    )
                                end
                            )
                        end
                    )
                end
            )
        end
    ).

-file("src/gleeth/ethereum/abi/json.gleam", 168).
-spec convert_raw_param(raw_param()) -> {ok, abi_param()} |
    {error, gleeth@ethereum@abi@types:abi_error()}.
convert_raw_param(Raw) ->
    gleam@result:'try'(
        gleeth@ethereum@abi@type_parser:parse(erlang:element(3, Raw)),
        fun(T) -> {ok, {abi_param, erlang:element(2, Raw), T}} end
    ).

-file("src/gleeth/ethereum/abi/json.gleam", 173).
-spec convert_raw_event_param(raw_param()) -> {ok, event_param()} |
    {error, gleeth@ethereum@abi@types:abi_error()}.
convert_raw_event_param(Raw) ->
    gleam@result:'try'(
        gleeth@ethereum@abi@type_parser:parse(erlang:element(3, Raw)),
        fun(T) ->
            {ok,
                {event_param, erlang:element(2, Raw), T, erlang:element(4, Raw)}}
        end
    ).

-file("src/gleeth/ethereum/abi/json.gleam", 145).
-spec convert_raw_entry(raw_entry()) -> {ok, abi_entry()} |
    {error, gleeth@ethereum@abi@types:abi_error()}.
convert_raw_entry(Raw) ->
    case erlang:element(2, Raw) of
        <<"function"/utf8>> ->
            gleam@result:'try'(
                gleam@list:try_map(
                    erlang:element(4, Raw),
                    fun convert_raw_param/1
                ),
                fun(Inputs) ->
                    gleam@result:'try'(
                        gleam@list:try_map(
                            erlang:element(5, Raw),
                            fun convert_raw_param/1
                        ),
                        fun(Outputs) ->
                            {ok,
                                {function_entry,
                                    erlang:element(3, Raw),
                                    Inputs,
                                    Outputs,
                                    erlang:element(6, Raw)}}
                        end
                    )
                end
            );

        <<"event"/utf8>> ->
            gleam@result:'try'(
                gleam@list:try_map(
                    erlang:element(4, Raw),
                    fun convert_raw_event_param/1
                ),
                fun(Inputs@1) ->
                    {ok, {event_entry, erlang:element(3, Raw), Inputs@1}}
                end
            );

        _ ->
            {error,
                {invalid_abi_json,
                    <<"Unsupported ABI entry type: "/utf8,
                        (erlang:element(2, Raw))/binary>>}}
    end.

-file("src/gleeth/ethereum/abi/json.gleam", 27).
?DOC(" Parse a Solidity JSON ABI string into a list of ABI entries.\n").
-spec parse_abi(binary()) -> {ok, list(abi_entry())} |
    {error, gleeth@ethereum@abi@types:abi_error()}.
parse_abi(Json_string) ->
    case gleam@json:parse(
        Json_string,
        gleam@dynamic@decode:list(raw_entry_decoder())
    ) of
        {ok, Raw_entries} ->
            _pipe = gleam@list:try_fold(
                Raw_entries,
                [],
                fun(Acc, Raw) -> case convert_raw_entry(Raw) of
                        {ok, Entry} ->
                            {ok, [Entry | Acc]};

                        {error, _} ->
                            {ok, Acc}
                    end end
            ),
            gleam@result:map(_pipe, fun lists:reverse/1);

        {error, _} ->
            {error, {invalid_abi_json, <<"Failed to parse ABI JSON"/utf8>>}}
    end.