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

-export([generate/1, main/0]).
-export_type([file_path/0, file_content/0, module_name/0, record_name/0, meta/0, meta_dict/0]).

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

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

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

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

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

-type meta_dict() :: {meta_dict, gleam@dict:dict(record_name(), meta())}.

-spec type_args(list(glance:type())) -> binary().
type_args(Types) ->
    _pipe = Types,
    _pipe@1 = gleam@list:map(_pipe, fun field_type/1),
    _pipe@2 = gleam@list:intersperse(_pipe@1, <<","/utf8>>),
    gleam@string:join(_pipe@2, <<""/utf8>>).

-spec field_type(glance:type()) -> binary().
field_type(Typ) ->
    case Typ of
        {named_type, Type_name, _, _} when Type_name =:= <<"String"/utf8>> ->
            <<"types.IsString"/utf8>>;

        {named_type, Type_name@1, _, _} when Type_name@1 =:= <<"Int"/utf8>> ->
            <<"types.IsInt"/utf8>>;

        {named_type, Type_name@2, _, _} when Type_name@2 =:= <<"Float"/utf8>> ->
            <<"types.IsFloat"/utf8>>;

        {named_type, Type_name@3, _, _} when Type_name@3 =:= <<"Bool"/utf8>> ->
            <<"types.IsBool"/utf8>>;

        {named_type, Type_name@4, _, [Typ@1]} when Type_name@4 =:= <<"List"/utf8>> ->
            <<<<"types.IsList("/utf8, (field_type(Typ@1))/binary>>/binary,
                ")"/utf8>>;

        {named_type, Type_name@5, _, [Key_type, Val_type]} when Type_name@5 =:= <<"Dict"/utf8>> ->
            <<<<"types.IsDict("/utf8, (type_args([Key_type, Val_type]))/binary>>/binary,
                ")"/utf8>>;

        {named_type, Type_name@6, _, [Typ@2]} when Type_name@6 =:= <<"Option"/utf8>> ->
            <<<<"types.IsOption("/utf8, (field_type(Typ@2))/binary>>/binary,
                ")"/utf8>>;

        {named_type, Type_name@7, _, [Typ1, Typ2]} when Type_name@7 =:= <<"Result"/utf8>> ->
            <<<<"types.IsResult("/utf8, (type_args([Typ1, Typ2]))/binary>>/binary,
                ")"/utf8>>;

        {tuple_type, [Typ1@1, Typ2@1]} ->
            <<<<"types.IsTuple2("/utf8, (type_args([Typ1@1, Typ2@1]))/binary>>/binary,
                ")"/utf8>>;

        {tuple_type, [Typ1@2, Typ2@2, Typ3]} ->
            <<<<"types.IsTuple3("/utf8,
                    (type_args([Typ1@2, Typ2@2, Typ3]))/binary>>/binary,
                ")"/utf8>>;

        {tuple_type, [Typ1@3, Typ2@3, Typ3@1, Typ4]} ->
            <<<<"types.IsTuple4("/utf8,
                    (type_args([Typ1@3, Typ2@3, Typ3@1, Typ4]))/binary>>/binary,
                ")"/utf8>>;

        {tuple_type, [Typ1@4, Typ2@4, Typ3@2, Typ4@1, Typ5]} ->
            <<<<"types.IsTuple5("/utf8,
                    (type_args([Typ1@4, Typ2@4, Typ3@2, Typ4@1, Typ5]))/binary>>/binary,
                ")"/utf8>>;

        {tuple_type, [Typ1@5, Typ2@5, Typ3@3, Typ4@2, Typ5@1, Typ6]} ->
            <<<<"types.IsTuple6("/utf8,
                    (type_args([Typ1@5, Typ2@5, Typ3@3, Typ4@2, Typ5@1, Typ6]))/binary>>/binary,
                ")"/utf8>>;

        {named_type, Record_name, _, _} ->
            <<<<"types.IsRecord(\""/utf8, Record_name/binary>>/binary,
                "\")"/utf8>>;

        _ ->
            <<"types.Unknown"/utf8>>
    end.

-spec generate(binary()) -> nil.
generate(Root) ->
    Records_info = begin
        _pipe = fswalk:builder(),
        _pipe@1 = fswalk:with_path(_pipe, Root),
        _pipe@2 = fswalk:walk(_pipe@1),
        _pipe@3 = gleam@iterator:filter(
            _pipe@2,
            fun(Entry_result) -> case Entry_result of
                    {ok, {entry, Path, {stat, Is_dir}}} ->
                        ((Is_dir =:= false) andalso gleam@string:ends_with(
                            Path,
                            <<".gleam"/utf8>>
                        ))
                        andalso not gleam_stdlib:contains_string(
                            Path,
                            <<"glerd_gen.gleam"/utf8>>
                        );

                    _ ->
                        false
                end end
        ),
        _pipe@4 = gleam@iterator:map(
            _pipe@3,
            fun(Entry_result@1) ->
                {ok, {entry, Path@1, _}} = case Entry_result@1 of
                    {ok, {entry, _, _}} -> Entry_result@1;
                    _assert_fail ->
                        erlang:error(#{gleam_error => let_assert,
                                    message => <<"Assertion pattern match failed"/utf8>>,
                                    value => _assert_fail,
                                    module => <<"glerd"/utf8>>,
                                    function => <<"generate"/utf8>>,
                                    line => 61})
                end,
                {file_path, Path@1}
            end
        ),
        _pipe@7 = gleam@iterator:map(
            _pipe@4,
            fun(File_path) ->
                _assert_subject = begin
                    _pipe@5 = erlang:element(2, File_path),
                    simplifile:read(_pipe@5)
                end,
                {ok, Content} = case _assert_subject of
                    {ok, _} -> _assert_subject;
                    _assert_fail@1 ->
                        erlang:error(#{gleam_error => let_assert,
                                    message => <<"Assertion pattern match failed"/utf8>>,
                                    value => _assert_fail@1,
                                    module => <<"glerd"/utf8>>,
                                    function => <<"generate"/utf8>>,
                                    line => 65})
                end,
                {File_path,
                    begin
                        _pipe@6 = Content,
                        {file_content, _pipe@6}
                    end}
            end
        ),
        _pipe@11 = gleam@iterator:map(
            _pipe@7,
            fun(Ctx) ->
                gluple@addition:with_append2(
                    Ctx,
                    fun(File_path@1, _) ->
                        _pipe@8 = erlang:element(2, File_path@1),
                        _pipe@9 = gleam@string:replace(
                            _pipe@8,
                            <<Root/binary, "/"/utf8>>,
                            <<""/utf8>>
                        ),
                        _pipe@10 = gleam@string:replace(
                            _pipe@9,
                            <<".gleam"/utf8>>,
                            <<""/utf8>>
                        ),
                        {module_name, _pipe@10}
                    end
                )
            end
        ),
        _pipe@13 = gleam@iterator:map(_pipe@11, fun(Ctx@1) -> _pipe@12 = Ctx@1,
                gluple@removal:remove_first3(_pipe@12) end),
        _pipe@22 = gleam@iterator:map(
            _pipe@13,
            fun(Ctx@2) ->
                gluple@addition:with_append2(
                    Ctx@2,
                    fun(File_content, _) ->
                        _pipe@14 = erlang:element(2, File_content),
                        _pipe@15 = glexer:new(_pipe@14),
                        _pipe@16 = glexer:lex(_pipe@15),
                        _pipe@17 = gleam@list:window_by_2(_pipe@16),
                        _pipe@21 = gleam@list:fold(
                            _pipe@17,
                            gleam@dict:new(),
                            fun(Meta_dict, Pair) -> case Pair of
                                    {{{comment_doc, Meta}, {position, _}},
                                        {{upper_name, Rec_name}, {position, _}}} ->
                                        gleam@dict:insert(
                                            Meta_dict,
                                            begin
                                                _pipe@18 = Rec_name,
                                                {record_name, _pipe@18}
                                            end,
                                            begin
                                                _pipe@19 = Meta,
                                                _pipe@20 = gleam@string:trim_left(
                                                    _pipe@19
                                                ),
                                                {meta, _pipe@20}
                                            end
                                        );

                                    _ ->
                                        Meta_dict
                                end end
                        ),
                        {meta_dict, _pipe@21}
                    end
                )
            end
        ),
        _pipe@24 = gleam@iterator:map(
            _pipe@22,
            fun(Ctx@3) ->
                gluple@addition:with_append3(
                    Ctx@3,
                    fun(File_content@1, _, _) ->
                        _assert_subject@1 = begin
                            _pipe@23 = erlang:element(2, File_content@1),
                            glance:module(_pipe@23)
                        end,
                        {ok, Module} = case _assert_subject@1 of
                            {ok, _} -> _assert_subject@1;
                            _assert_fail@2 ->
                                erlang:error(#{gleam_error => let_assert,
                                            message => <<"Assertion pattern match failed"/utf8>>,
                                            value => _assert_fail@2,
                                            module => <<"glerd"/utf8>>,
                                            function => <<"generate"/utf8>>,
                                            line => 100})
                        end,
                        {module, _, Custom_types_definitions, _, _, _} = Module,
                        gleam@list:flat_map(
                            Custom_types_definitions,
                            fun(Custom_type_definition) ->
                                {definition, _, Custom_type} = Custom_type_definition,
                                {custom_type, _, _, _, _, Variants} = Custom_type,
                                Variants
                            end
                        )
                    end
                )
            end
        ),
        _pipe@26 = gleam@iterator:map(_pipe@24, fun(Ctx@4) -> _pipe@25 = Ctx@4,
                gluple@removal:remove_first4(_pipe@25) end),
        _pipe@31 = gleam@iterator:map(
            _pipe@26,
            fun(Ctx@5) ->
                {Module_name, Meta_dict@1, Variants@1} = Ctx@5,
                gleam@list:map(
                    Variants@1,
                    fun(_use0) ->
                        {variant, Record_name, Fields} = _use0,
                        Fields@1 = begin
                            _pipe@27 = Fields,
                            _pipe@28 = gleam@list:map(
                                _pipe@27,
                                fun(Field) ->
                                    {field, Field_name, Typ} = Field,
                                    _assert_subject@2 = gleam@option:'or'(
                                        Field_name,
                                        {some, <<"__none__"/utf8>>}
                                    ),
                                    {some, Field_name@1} = case _assert_subject@2 of
                                        {some, _} -> _assert_subject@2;
                                        _assert_fail@3 ->
                                            erlang:error(
                                                    #{gleam_error => let_assert,
                                                        message => <<"Assertion pattern match failed"/utf8>>,
                                                        value => _assert_fail@3,
                                                        module => <<"glerd"/utf8>>,
                                                        function => <<"generate"/utf8>>,
                                                        line => 115}
                                                )
                                    end,
                                    <<<<<<<<"#(\""/utf8, Field_name@1/binary>>/binary,
                                                "\", "/utf8>>/binary,
                                            (field_type(Typ))/binary>>/binary,
                                        ")"/utf8>>
                                end
                            ),
                            gleam@string:join(_pipe@28, <<","/utf8>>)
                        end,
                        _assert_subject@3 = begin
                            _pipe@30 = gleam@dict:get(
                                erlang:element(2, Meta_dict@1),
                                begin
                                    _pipe@29 = Record_name,
                                    {record_name, _pipe@29}
                                end
                            ),
                            gleam@result:'or'(
                                _pipe@30,
                                {ok, {meta, <<""/utf8>>}}
                            )
                        end,
                        {ok, {meta, Meta@1}} = case _assert_subject@3 of
                            {ok, {meta, _}} -> _assert_subject@3;
                            _assert_fail@4 ->
                                erlang:error(#{gleam_error => let_assert,
                                            message => <<"Assertion pattern match failed"/utf8>>,
                                            value => _assert_fail@4,
                                            module => <<"glerd"/utf8>>,
                                            function => <<"generate"/utf8>>,
                                            line => 119})
                        end,
                        <<<<<<<<<<<<<<<<<<"#(\""/utf8, Record_name/binary>>/binary,
                                                        "\",\""/utf8>>/binary,
                                                    (erlang:element(
                                                        2,
                                                        Module_name
                                                    ))/binary>>/binary,
                                                "\","/utf8>>/binary,
                                            "["/utf8>>/binary,
                                        Fields@1/binary>>/binary,
                                    "],\""/utf8>>/binary,
                                Meta@1/binary>>/binary,
                            "\")"/utf8>>
                    end
                )
            end
        ),
        _pipe@33 = gleam@iterator:flat_map(
            _pipe@31,
            fun(Record_code) -> _pipe@32 = Record_code,
                gleam@iterator:from_list(_pipe@32) end
        ),
        gleam@iterator:fold(
            _pipe@33,
            <<""/utf8>>,
            fun(Acc, Record_code@1) ->
                <<<<Acc/binary, Record_code@1/binary>>/binary, ",\n"/utf8>>
            end
        )
    end,
    Gen_file_path = <<<<"./"/utf8, Root/binary>>/binary,
        "/glerd_gen.gleam"/utf8>>,
    _assert_subject@4 = simplifile:write(
        Gen_file_path,
        <<<<"// this file was generated via \"gleam run -m glerd\"

      import glerd/types

      pub const record_info = ["/utf8,
                Records_info/binary>>/binary,
            "]"/utf8>>
    ),
    {ok, _} = case _assert_subject@4 of
        {ok, _} -> _assert_subject@4;
        _assert_fail@5 ->
            erlang:error(#{gleam_error => let_assert,
                        message => <<"Assertion pattern match failed"/utf8>>,
                        value => _assert_fail@5,
                        module => <<"glerd"/utf8>>,
                        function => <<"generate"/utf8>>,
                        line => 138})
    end,
    _assert_subject@5 = gleamyshell_ffi:execute(
        <<"gleam"/utf8>>,
        <<"."/utf8>>,
        [<<"format"/utf8>>, Gen_file_path]
    ),
    {ok, _} = case _assert_subject@5 of
        {ok, _} -> _assert_subject@5;
        _assert_fail@6 ->
            erlang:error(#{gleam_error => let_assert,
                        message => <<"Assertion pattern match failed"/utf8>>,
                        value => _assert_fail@6,
                        module => <<"glerd"/utf8>>,
                        function => <<"generate"/utf8>>,
                        line => 148})
    end,
    nil.

-spec main() -> nil.
main() ->
    generate(<<"src"/utf8>>).