-module(gleamx@parser).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/gleamx/parser.gleam").
-export([error_to_string/1, parse/1]).
-export_type([parsed/1]).

-type parsed(FSL) :: {parsed, binary(), FSL}.

-file("src/gleamx/parser.gleam", 215).
-spec parse_until_scan(binary(), list(binary())) -> binary().
parse_until_scan(Code, Syms) ->
    case gleam@string:first(Code) of
        {ok, Sym} ->
            case gleam@list:contains(Syms, Sym) of
                true ->
                    Code;

                false ->
                    parse_until_scan(
                        begin
                            _pipe = Code,
                            gleam@string:drop_start(_pipe, 1)
                        end,
                        Syms
                    )
            end;

        _ ->
            Code
    end.

-file("src/gleamx/parser.gleam", 210).
-spec parse_until(binary(), list(binary())) -> parsed(binary()).
parse_until(Code, Syms) ->
    New_code = parse_until_scan(Code, Syms),
    {parsed,
        New_code,
        gleam@string:slice(
            Code,
            0,
            string:length(Code) - string:length(New_code)
        )}.

-file("src/gleamx/parser.gleam", 237).
-spec syntax_error(binary(), gleamx@lineinfo:code_meta(), binary()) -> gleamx@ast:syntax_error().
syntax_error(Code, Meta, Msg) ->
    {syntax_error, gleamx@lineinfo:line_info(Code, Meta), Msg}.

-file("src/gleamx/parser.gleam", 191).
-spec parse_block_scan(
    binary(),
    gleamx@lineinfo:code_meta(),
    binary(),
    binary(),
    integer()
) -> {ok, binary()} | {error, gleamx@ast:syntax_error()}.
parse_block_scan(Code, Meta, Open, Close, Depth) ->
    Rest = gleam@string:drop_start(Code, 1),
    case gleam@string:first(Code) of
        {error, _} ->
            {error,
                syntax_error(
                    Rest,
                    Meta,
                    <<"unexpected EOF before closing the block"/utf8>>
                )};

        {ok, X} when X =:= Open ->
            parse_block_scan(Rest, Meta, Open, Close, Depth + 1);

        {ok, X@1} when (X@1 =:= Close) andalso (Depth > 1) ->
            parse_block_scan(Rest, Meta, Open, Close, Depth - 1);

        {ok, X@2} when X@2 =:= Close ->
            {ok, Rest};

        _ ->
            parse_block_scan(Rest, Meta, Open, Close, Depth)
    end.

-file("src/gleamx/parser.gleam", 178).
-spec parse_block(binary(), gleamx@lineinfo:code_meta(), binary(), binary()) -> {ok,
        parsed(binary())} |
    {error, gleamx@ast:syntax_error()}.
parse_block(Code, Meta, Open, Close) ->
    gleam@result:'try'(
        parse_block_scan(Code, Meta, Open, Close, 0),
        fun(New_code) ->
            {ok,
                {parsed,
                    New_code,
                    gleam@string:slice(
                        Code,
                        0,
                        string:length(Code) - string:length(New_code)
                    )}}
        end
    ).

-file("src/gleamx/parser.gleam", 241).
-spec error_to_string(gleamx@ast:syntax_error()) -> binary().
error_to_string(Error) ->
    erlang:element(3, Error).

-file("src/gleamx/parser.gleam", 246).
-spec map_parse_result(
    {ok, parsed(FTL)} | {error, gleamx@ast:syntax_error()},
    fun((FTL) -> FTP)
) -> {ok, parsed(FTP)} | {error, gleamx@ast:syntax_error()}.
map_parse_result(Res, F) ->
    case Res of
        {ok, {parsed, Code, Value}} ->
            {ok, {parsed, Code, F(Value)}};

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

-file("src/gleamx/parser.gleam", 226).
-spec skip_spaces(binary()) -> binary().
skip_spaces(Code) ->
    case gleam@string:first(Code) of
        {ok, Sym} ->
            case gleam@list:contains(
                [<<" "/utf8>>, <<"\t"/utf8>>, <<"\n"/utf8>>, <<"\r"/utf8>>],
                Sym
            ) of
                true ->
                    skip_spaces(
                        begin
                            _pipe = Code,
                            gleam@string:drop_start(_pipe, 1)
                        end
                    );

                false ->
                    Code
            end;

        _ ->
            Code
    end.

-file("src/gleamx/parser.gleam", 140).
-spec parse_args(binary(), gleamx@lineinfo:code_meta()) -> {ok,
        parsed(list(gleamx@ast:arg()))} |
    {error, gleamx@ast:syntax_error()}.
parse_args(Code, Meta) ->
    Code@1 = skip_spaces(Code),
    case gleam@string:first(Code@1) of
        {ok, <<">"/utf8>>} ->
            {ok, {parsed, Code@1, []}};

        {ok, <<"/"/utf8>>} ->
            {ok, {parsed, Code@1, []}};

        _ ->
            {parsed, Code@2, Name} = parse_until(
                Code@1,
                [<<"="/utf8>>,
                    <<"/"/utf8>>,
                    <<">"/utf8>> |
                    [<<" "/utf8>>, <<"\t"/utf8>>, <<"\n"/utf8>>, <<"\r"/utf8>>]]
            ),
            Code@3 = skip_spaces(Code@2),
            case Code@3 of
                <<"="/utf8, Code@4/binary>> ->
                    Code@5 = skip_spaces(Code@4),
                    case Code@5 of
                        <<"\""/utf8, Code@6/binary>> ->
                            {parsed, Code@7, Value} = parse_until(
                                Code@6,
                                [<<"\""/utf8>>]
                            ),
                            _pipe = parse_args(Code@7, Meta),
                            map_parse_result(
                                _pipe,
                                fun(Args) ->
                                    [{lit_arg,
                                            gleamx@lineinfo:line_info(
                                                Code@7,
                                                Meta
                                            ),
                                            Name,
                                            Value} |
                                        Args]
                                end
                            );

                        <<"{"/utf8, _/binary>> ->
                            gleam@result:'try'(
                                parse_block(
                                    Code@5,
                                    Meta,
                                    <<"{"/utf8>>,
                                    <<"}"/utf8>>
                                ),
                                fun(_use0) ->
                                    {parsed, Code@8, Value@1} = _use0,
                                    _pipe@1 = parse_args(Code@8, Meta),
                                    map_parse_result(
                                        _pipe@1,
                                        fun(Args@1) ->
                                            [{expr_arg,
                                                    gleamx@lineinfo:line_info(
                                                        Code@8,
                                                        Meta
                                                    ),
                                                    Name,
                                                    Value@1} |
                                                Args@1]
                                        end
                                    )
                                end
                            );

                        _ ->
                            {error,
                                syntax_error(
                                    Code@5,
                                    Meta,
                                    <<"invalid argument value"/utf8>>
                                )}
                    end;

                _ ->
                    parse_args(Code@3, Meta)
            end
    end.

-file("src/gleamx/parser.gleam", 112).
-spec parse_children(binary(), binary(), gleamx@lineinfo:code_meta()) -> {ok,
        parsed(list(gleamx@ast:ast()))} |
    {error, gleamx@ast:syntax_error()}.
parse_children(Code, Parent_tag, Meta) ->
    Code@1 = skip_spaces(Code),
    case Code@1 of
        <<"</"/utf8, Code@2/binary>> ->
            Code@3 = skip_spaces(Code@2),
            {parsed, Code@4, Tag} = parse_until(Code@3, [<<">"/utf8>>]),
            case Tag =:= Parent_tag of
                false ->
                    {error,
                        syntax_error(
                            Code@4,
                            Meta,
                            <<"closing tag doesn't match opened tag"/utf8>>
                        )};

                true ->
                    {ok, {parsed, gleam@string:drop_start(Code@4, 1), []}}
            end;

        _ ->
            gleam@result:'try'(
                parse_element(Code@1, Meta),
                fun(_use0) ->
                    {parsed, Code@5, Element} = _use0,
                    gleam@result:'try'(
                        parse_children(Code@5, Parent_tag, Meta),
                        fun(_use0@1) ->
                            {parsed, Code@6, Rest} = _use0@1,
                            {ok, {parsed, Code@6, [Element | Rest]}}
                        end
                    )
                end
            )
    end.

-file("src/gleamx/parser.gleam", 37).
-spec parse_element(binary(), gleamx@lineinfo:code_meta()) -> {ok,
        parsed(gleamx@ast:ast())} |
    {error, gleamx@ast:syntax_error()}.
parse_element(Code, Meta) ->
    Code@1 = skip_spaces(Code),
    case Code@1 of
        <<""/utf8>> ->
            {error, syntax_error(Code@1, Meta, <<"unexpected EOF"/utf8>>)};

        <<"<"/utf8, Code@2/binary>> ->
            Code@3 = skip_spaces(Code@2),
            Pos = gleamx@lineinfo:line_info(Code@3, Meta),
            {parsed, Code@4, Tag} = parse_until(
                Code@3,
                [<<"/"/utf8>>,
                    <<">"/utf8>> |
                    [<<" "/utf8>>, <<"\t"/utf8>>, <<"\n"/utf8>>, <<"\r"/utf8>>]]
            ),
            gleam@result:'try'(
                parse_args(Code@4, Meta),
                fun(_use0) ->
                    {parsed, Code@5, Args} = _use0,
                    Code@6 = skip_spaces(Code@5),
                    case Code@6 of
                        <<"/>"/utf8, Code@7/binary>> ->
                            {ok,
                                {parsed,
                                    Code@7,
                                    {container_element, Pos, Tag, Args, []}}};

                        <<">"/utf8, Code@8/binary>> ->
                            case gleam@list:contains(
                                [<<"area"/utf8>>,
                                    <<"base"/utf8>>,
                                    <<"br"/utf8>>,
                                    <<"col"/utf8>>,
                                    <<"embed"/utf8>>,
                                    <<"hr"/utf8>>,
                                    <<"img"/utf8>>,
                                    <<"input"/utf8>>,
                                    <<"link"/utf8>>,
                                    <<"meta"/utf8>>,
                                    <<"param"/utf8>>,
                                    <<"source"/utf8>>,
                                    <<"track"/utf8>>,
                                    <<"wbr"/utf8>>],
                                Tag
                            ) of
                                true ->
                                    {ok,
                                        {parsed,
                                            Code@8,
                                            {void_element, Pos, Tag, Args}}};

                                false ->
                                    _pipe = parse_children(Code@8, Tag, Meta),
                                    map_parse_result(
                                        _pipe,
                                        fun(Children) ->
                                            {container_element,
                                                gleamx@lineinfo:line_info(
                                                    Code@8,
                                                    Meta
                                                ),
                                                Tag,
                                                Args,
                                                Children}
                                        end
                                    )
                            end;

                        _ ->
                            {error,
                                syntax_error(
                                    Code@6,
                                    Meta,
                                    <<"expected '>' or '/>'"/utf8>>
                                )}
                    end
                end
            );

        <<".."/utf8, Code@9/binary>> ->
            _pipe@1 = parse_element(Code@9, Meta),
            map_parse_result(
                _pipe@1,
                fun(Children@1) ->
                    {spread,
                        gleamx@lineinfo:line_info(Code@9, Meta),
                        Children@1}
                end
            );

        <<"{"/utf8, _/binary>> ->
            _pipe@2 = parse_block(Code@1, Meta, <<"{"/utf8>>, <<"}"/utf8>>),
            map_parse_result(
                _pipe@2,
                fun(Gleam_code) ->
                    {code_block,
                        gleamx@lineinfo:line_info(Code@1, Meta),
                        Gleam_code}
                end
            );

        _ ->
            {parsed, Code@10, Name} = parse_until(
                Code@1,
                [<<"("/utf8>> |
                    [<<" "/utf8>>, <<"\t"/utf8>>, <<"\n"/utf8>>, <<"\r"/utf8>>]]
            ),
            case Code@10 of
                <<"("/utf8, _/binary>> ->
                    _pipe@3 = parse_block(
                        Code@10,
                        Meta,
                        <<"("/utf8>>,
                        <<")"/utf8>>
                    ),
                    map_parse_result(
                        _pipe@3,
                        fun(Params) ->
                            {code_block,
                                gleamx@lineinfo:line_info(Code@10, Meta),
                                <<Name/binary, Params/binary>>}
                        end
                    );

                _ ->
                    {ok,
                        {parsed,
                            Code@10,
                            {code_block,
                                gleamx@lineinfo:line_info(Code@10, Meta),
                                Name}}}
            end
    end.

-file("src/gleamx/parser.gleam", 17).
-spec parse_loop(binary(), gleamx@lineinfo:code_meta()) -> {ok,
        list(gleamx@ast:chunk())} |
    {error, gleamx@ast:syntax_error()}.
parse_loop(Code, Meta) ->
    Pos = gleamx@lineinfo:line_info(Code, Meta),
    Rest = gleam_stdlib:crop_string(Code, <<"$"/utf8>>),
    case string:length(Rest) =:= string:length(Code) of
        true ->
            {ok, [{gleam_code, Pos, Code}]};

        false ->
            Gleam_code = gleam@string:slice(
                Code,
                0,
                string:length(Code) - string:length(Rest)
            ),
            gleam@result:'try'(
                begin
                    _pipe = Rest,
                    _pipe@1 = gleam@string:drop_start(_pipe, 1),
                    parse_element(_pipe@1, Meta)
                end,
                fun(_use0) ->
                    {parsed, Code@1, Glx_ast} = _use0,
                    gleam@result:'try'(
                        parse_loop(Code@1, Meta),
                        fun(Rest@1) ->
                            {ok,
                                [{gleam_code, Pos, Gleam_code},
                                    {glx_code, Glx_ast} |
                                    Rest@1]}
                        end
                    )
                end
            )
    end.

-file("src/gleamx/parser.gleam", 13).
-spec parse(binary()) -> {ok, list(gleamx@ast:chunk())} |
    {error, gleamx@ast:syntax_error()}.
parse(Code) ->
    parse_loop(Code, gleamx@lineinfo:analyze_code(Code)).