-module(bison@ejson@decoder).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function]).

-export([from_canonical/1]).

-spec int(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
int(Dyn) ->
    (gleam@dynamic:decode1(
        fun(Field@0) -> {int32, Field@0} end,
        fun gleam@dynamic:int/1
    ))(Dyn).

-spec double(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
double(Dyn) ->
    (gleam@dynamic:decode1(
        fun(Field@0) -> {double, Field@0} end,
        fun gleam@dynamic:float/1
    ))(Dyn).

-spec bool(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
bool(Dyn) ->
    (gleam@dynamic:decode1(
        fun(Field@0) -> {boolean, Field@0} end,
        fun gleam@dynamic:bool/1
    ))(Dyn).

-spec string(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
string(Dyn) ->
    (gleam@dynamic:decode1(
        fun(Field@0) -> {string, Field@0} end,
        fun gleam@dynamic:string/1
    ))(Dyn).

-spec code(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
code(Dyn) ->
    (gleam@dynamic:decode1(
        fun(Field@0) -> {js, Field@0} end,
        gleam@dynamic:field(<<"$code"/utf8>>, fun gleam@dynamic:string/1)
    ))(Dyn).

-spec oid(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
oid(Dyn) ->
    (gleam@dynamic:decode1(
        fun(Field@0) -> {object_id, Field@0} end,
        gleam@dynamic:field(<<"$oid"/utf8>>, fun(V) -> _pipe = V,
                _pipe@1 = gleam@dynamic:string(_pipe),
                _pipe@3 = gleam@result:map(
                    _pipe@1,
                    fun(S) -> _pipe@2 = bison@object_id:from_string(S),
                        gleam@result:replace_error(
                            _pipe@2,
                            [{decode_error,
                                    <<"object id"/utf8>>,
                                    <<"not object id"/utf8>>,
                                    []}]
                        ) end
                ),
                gleam@result:flatten(_pipe@3) end)
    ))(Dyn).

-spec min(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
min(Dyn) ->
    _pipe = Dyn,
    _pipe@1 = (gleam@dynamic:field(<<"$minKey"/utf8>>, fun gleam@dynamic:int/1))(
        _pipe
    ),
    _pipe@2 = gleam@result:map(_pipe@1, fun(S) -> case S of
                1 ->
                    {ok, min};

                _ ->
                    {error,
                        [{decode_error,
                                <<"1"/utf8>>,
                                gleam@int:to_string(S),
                                []}]}
            end end),
    gleam@result:flatten(_pipe@2).

-spec max(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
max(Dyn) ->
    _pipe = Dyn,
    _pipe@1 = (gleam@dynamic:field(<<"$maxKey"/utf8>>, fun gleam@dynamic:int/1))(
        _pipe
    ),
    _pipe@2 = gleam@result:map(_pipe@1, fun(S) -> case S of
                1 ->
                    {ok, max};

                _ ->
                    {error,
                        [{decode_error,
                                <<"1"/utf8>>,
                                gleam@int:to_string(S),
                                []}]}
            end end),
    gleam@result:flatten(_pipe@2).

-spec typed_int(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
typed_int(Dyn) ->
    _pipe = Dyn,
    _pipe@1 = (gleam@dynamic:field(
        <<"$numberInt"/utf8>>,
        fun gleam@dynamic:string/1
    ))(_pipe),
    _pipe@2 = gleam@result:map(_pipe@1, fun(S) -> case gleam@int:parse(S) of
                {ok, N} ->
                    {ok, {int32, N}};

                _ ->
                    {error, [{decode_error, <<"Integer"/utf8>>, S, []}]}
            end end),
    gleam@result:flatten(_pipe@2).

-spec typed_long(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
typed_long(Dyn) ->
    _pipe = Dyn,
    _pipe@1 = (gleam@dynamic:field(
        <<"$numberLong"/utf8>>,
        fun gleam@dynamic:string/1
    ))(_pipe),
    _pipe@2 = gleam@result:map(_pipe@1, fun(S) -> case gleam@int:parse(S) of
                {ok, N} ->
                    {ok, {int64, N}};

                _ ->
                    {error, [{decode_error, <<"Integer"/utf8>>, S, []}]}
            end end),
    gleam@result:flatten(_pipe@2).

-spec date(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
date(Dyn) ->
    (gleam@dynamic:decode1(
        fun(Field@0) -> {date_time, Field@0} end,
        gleam@dynamic:field(<<"$date"/utf8>>, fun(V) -> _pipe = V,
                _pipe@1 = typed_long(_pipe),
                _pipe@2 = gleam@result:map(_pipe@1, fun(N) -> case N of
                            {int64, N@1} ->
                                {ok,
                                    birl:add(
                                        {time, 0, 0, none, none},
                                        {duration, N@1 * 1000}
                                    )};

                            _ ->
                                {error,
                                    [{decode_error,
                                            <<"long"/utf8>>,
                                            <<"not long"/utf8>>,
                                            []}]}
                        end end),
                gleam@result:flatten(_pipe@2) end)
    ))(Dyn).

-spec typed_double(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
typed_double(Dyn) ->
    _pipe = Dyn,
    _pipe@1 = (gleam@dynamic:field(
        <<"$numberDouble"/utf8>>,
        fun gleam@dynamic:string/1
    ))(_pipe),
    _pipe@2 = gleam@result:map(_pipe@1, fun(S) -> case S of
                <<"NaN"/utf8>> ->
                    {ok, na_n};

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

                <<"-infinity"/utf8>> ->
                    {ok, negative_infinity};

                _ ->
                    case gleam@float:parse(S) of
                        {ok, F} ->
                            {ok, {double, F}};

                        {error, nil} ->
                            {error,
                                [{decode_error,
                                        <<"Floating point number, NaN, Infinity or -Infinity"/utf8>>,
                                        S,
                                        []}]}
                    end
            end end),
    gleam@result:flatten(_pipe@2).

-spec document(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
document(Dyn) ->
    (gleam@dynamic:decode1(
        fun(Field@0) -> {document, Field@0} end,
        fun(Data) ->
            case (gleam@dynamic:map(fun gleam@dynamic:string/1, fun value/1))(
                Data
            ) of
                {ok, Map} ->
                    {ok, gleam@map:to_list(Map)};

                {error, Error} ->
                    {error, Error}
            end
        end
    ))(Dyn).

-spec value(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
value(Dyn) ->
    case (gleam@dynamic:optional(
        gleam@dynamic:any(
            [fun int/1,
                fun bool/1,
                fun double/1,
                fun min/1,
                fun max/1,
                fun oid/1,
                fun date/1,
                fun code/1,
                fun binary/1,
                fun regex/1,
                fun timestamp/1,
                fun typed_int/1,
                fun typed_long/1,
                fun typed_double/1,
                fun string/1,
                fun array/1,
                fun document/1]
        )
    ))(Dyn) of
        {ok, {some, Value}} ->
            {ok, Value};

        {ok, none} ->
            {ok, null};

        {error, Error} ->
            {error, Error}
    end.

-spec from_canonical(binary()) -> {ok, list({binary(), bison@bson:value()})} |
    {error, gleam@json:decode_error()}.
from_canonical(Doc) ->
    gleam@json:decode(
        Doc,
        fun(Data) ->
            case (gleam@dynamic:map(fun gleam@dynamic:string/1, fun value/1))(
                Data
            ) of
                {ok, Map} ->
                    {ok, gleam@map:to_list(Map)};

                {error, Error} ->
                    {error, Error}
            end
        end
    ).

-spec array(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
array(Dyn) ->
    (gleam@dynamic:decode1(
        fun(Field@0) -> {array, Field@0} end,
        gleam@dynamic:list(fun value/1)
    ))(Dyn).

-spec timestamp(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
timestamp(Dyn) ->
    case (gleam@dynamic:field(<<"$timestamp"/utf8>>, fun document/1))(Dyn) of
        {ok,
            {document, [{<<"i"/utf8>>, {int32, I}}, {<<"t"/utf8>>, {int32, T}}]}} ->
            {ok, {timestamp, T, I}};

        _ ->
            {error,
                [{decode_error,
                        <<"timestamp"/utf8>>,
                        <<"not timestamp"/utf8>>,
                        []}]}
    end.

-spec regex(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
regex(Dyn) ->
    case (gleam@dynamic:field(<<"$regularExpression"/utf8>>, fun document/1))(
        Dyn
    ) of
        {ok,
            {document,
                [{<<"pattern"/utf8>>, {string, Pattern}},
                    {<<"options"/utf8>>, {string, Options}}]}} ->
            {ok, {regex, Pattern, Options}};

        _ ->
            {error,
                [{decode_error,
                        <<"timestamp"/utf8>>,
                        <<"not timestamp"/utf8>>,
                        []}]}
    end.

-spec binary(gleam@dynamic:dynamic_()) -> {ok, bison@bson:value()} |
    {error, list(gleam@dynamic:decode_error())}.
binary(Dyn) ->
    case (gleam@dynamic:field(<<"$binary"/utf8>>, fun document/1))(Dyn) of
        {ok,
            {document,
                [{<<"base64"/utf8>>, {string, Base64}},
                    {<<"subType"/utf8>>, {string, Sub_type}}]}} ->
            case gleam@bit_array:base64_decode(Base64) of
                {ok, Decoded} ->
                    case Sub_type of
                        <<"00"/utf8>> ->
                            case bison@generic:from_bit_array(Decoded) of
                                {ok, Generic} ->
                                    {ok, {binary, {generic, Generic}}};

                                {error, nil} ->
                                    {error,
                                        [{decode_error,
                                                <<"generic binary"/utf8>>,
                                                <<"not generic binary"/utf8>>,
                                                []}]}
                            end;

                        <<"04"/utf8>> ->
                            case bison@uuid:from_bit_array(Decoded) of
                                {ok, Uuid} ->
                                    {ok, {binary, {uuid, Uuid}}};

                                {error, nil} ->
                                    {error,
                                        [{decode_error,
                                                <<"uuid binary"/utf8>>,
                                                <<"not uuid binary"/utf8>>,
                                                []}]}
                            end;

                        <<"05"/utf8>> ->
                            case bison@md5:from_bit_array(Decoded) of
                                {ok, Md5} ->
                                    {ok, {binary, {md5, Md5}}};

                                {error, nil} ->
                                    {error,
                                        [{decode_error,
                                                <<"md5 binary"/utf8>>,
                                                <<"not md5 binary"/utf8>>,
                                                []}]}
                            end;

                        _ ->
                            case gleam@int:parse(Sub_type) of
                                {ok, Code} ->
                                    case bison@custom:from_bit_array_with_code(
                                        Code,
                                        Decoded
                                    ) of
                                        {ok, Custom} ->
                                            {ok, {binary, {custom, Custom}}};

                                        {error, nil} ->
                                            {error,
                                                [{decode_error,
                                                        <<"valid custom binary code"/utf8>>,
                                                        <<"invalid custom binary code"/utf8>>,
                                                        []}]}
                                    end;

                                {error, nil} ->
                                    {error,
                                        [{decode_error,
                                                <<"valid custom binary code"/utf8>>,
                                                <<"invalid custom binary code"/utf8>>,
                                                []}]}
                            end
                    end;

                {error, nil} ->
                    {error,
                        [{decode_error,
                                <<"binary"/utf8>>,
                                <<"not binary"/utf8>>,
                                []}]}
            end;

        _ ->
            {error,
                [{decode_error, <<"binary"/utf8>>, <<"not binary"/utf8>>, []}]}
    end.