-module(caffeine_lang@frontend@parser_error).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/caffeine_lang/frontend/parser_error.gleam").
-export([to_string/1, error_line/1]).
-export_type([parser_error/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 parser_error() :: {tokenizer_error,
        caffeine_lang@frontend@tokenizer_error:tokenizer_error()} |
    {unexpected_token, binary(), binary(), integer(), integer()} |
    {unexpected_e_o_f, binary(), integer(), integer()} |
    {unknown_type, binary(), integer(), integer()} |
    {invalid_refinement, binary(), integer(), integer()} |
    {quoted_field_name, binary(), integer(), integer()} |
    {invalid_type_alias_name, binary(), binary(), integer(), integer()}.

-file("src/caffeine_lang/frontend/parser_error.gleam", 17).
?DOC(false).
-spec to_string(parser_error()) -> binary().
to_string(Err) ->
    case Err of
        {tokenizer_error, Tok_err} ->
            caffeine_lang@frontend@tokenizer_error:to_string(Tok_err);

        {unexpected_token, Expected, Got, Line, Column} ->
            <<<<<<<<<<<<<<"Unexpected token at line "/utf8,
                                        (erlang:integer_to_binary(Line))/binary>>/binary,
                                    ", column "/utf8>>/binary,
                                (erlang:integer_to_binary(Column))/binary>>/binary,
                            ": expected "/utf8>>/binary,
                        Expected/binary>>/binary,
                    ", got "/utf8>>/binary,
                Got/binary>>;

        {unexpected_e_o_f, Expected@1, Line@1, Column@1} ->
            <<<<<<<<<<"Unexpected end of file at line "/utf8,
                                (erlang:integer_to_binary(Line@1))/binary>>/binary,
                            ", column "/utf8>>/binary,
                        (erlang:integer_to_binary(Column@1))/binary>>/binary,
                    ": expected "/utf8>>/binary,
                Expected@1/binary>>;

        {unknown_type, Name, Line@2, Column@2} ->
            <<<<<<<<<<"Unknown type '"/utf8, Name/binary>>/binary,
                            "' at line "/utf8>>/binary,
                        (erlang:integer_to_binary(Line@2))/binary>>/binary,
                    ", column "/utf8>>/binary,
                (erlang:integer_to_binary(Column@2))/binary>>;

        {invalid_refinement, Message, Line@3, Column@3} ->
            <<<<<<<<<<"Invalid refinement at line "/utf8,
                                (erlang:integer_to_binary(Line@3))/binary>>/binary,
                            ", column "/utf8>>/binary,
                        (erlang:integer_to_binary(Column@3))/binary>>/binary,
                    ": "/utf8>>/binary,
                Message/binary>>;

        {quoted_field_name, Name@1, Line@4, Column@4} ->
            <<<<<<<<<<<<<<<<"Quoted field name at line "/utf8,
                                            (erlang:integer_to_binary(Line@4))/binary>>/binary,
                                        ", column "/utf8>>/binary,
                                    (erlang:integer_to_binary(Column@4))/binary>>/binary,
                                ": field names should not be quoted. Use '"/utf8>>/binary,
                            Name@1/binary>>/binary,
                        "' instead of '\""/utf8>>/binary,
                    Name@1/binary>>/binary,
                "\"'"/utf8>>;

        {invalid_type_alias_name, Name@2, Message@1, Line@5, Column@5} ->
            <<<<<<<<<<<<<<"Invalid type alias name '"/utf8, Name@2/binary>>/binary,
                                    "' at line "/utf8>>/binary,
                                (erlang:integer_to_binary(Line@5))/binary>>/binary,
                            ", column "/utf8>>/binary,
                        (erlang:integer_to_binary(Column@5))/binary>>/binary,
                    ": "/utf8>>/binary,
                Message@1/binary>>
    end.

-file("src/caffeine_lang/frontend/parser_error.gleam", 73).
?DOC(" Extracts the line number from a parser error.\n").
-spec error_line(parser_error()) -> integer().
error_line(Err) ->
    case Err of
        {tokenizer_error, Tok_err} ->
            case Tok_err of
                {unterminated_string, Line, _} ->
                    Line;

                {invalid_character, Line@1, _, _} ->
                    Line@1
            end;

        {unexpected_token, _, _, Line@2, _} ->
            Line@2;

        {unexpected_e_o_f, _, Line@3, _} ->
            Line@3;

        {unknown_type, _, Line@4, _} ->
            Line@4;

        {invalid_refinement, _, Line@5, _} ->
            Line@5;

        {quoted_field_name, _, Line@6, _} ->
            Line@6;

        {invalid_type_alias_name, _, _, Line@7, _} ->
            Line@7
    end.