-module(drip@internal@error).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/drip/internal/error.gleam").
-export([describe/1]).
-export_type([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.

?MODULEDOC(false).

-type error() :: {invalid_usage, binary()} |
    {no_elements_requested, binary()} |
    {failed_to_find_project_root, binary()} |
    {failed_to_read_gleam_toml, simplifile:file_error()} |
    {failed_to_parse_gleam_toml, tomlet:parse_error()} |
    {failed_to_get_gleam_toml_value, tomlet:get_error()} |
    {failed_to_edit_gleam_toml, tomlet:edit_error()} |
    {invalid_prefix, binary()} |
    {failed_to_check_if_project_file_exists, binary(), simplifile:file_error()} |
    {failed_to_read_project_directory, binary(), simplifile:file_error()} |
    {failed_to_create_project_directory, binary(), simplifile:file_error()} |
    {failed_to_write_project_file, binary(), simplifile:file_error()} |
    {failed_to_read_project_file, binary(), simplifile:file_error()} |
    {failed_to_delete_project_file, binary(), simplifile:file_error()} |
    {project_file_already_exists, binary()} |
    {failed_to_find_index_stylesheet, binary()} |
    empty_source |
    {invalid_source_url, binary()} |
    {source_not_found, binary()} |
    {source_returned_bad_status, binary(), integer()} |
    {failed_to_fetch_source_file, binary(), gleam@httpc:http_error()} |
    {failed_to_read_source_file, binary(), simplifile:file_error()} |
    {unsupported_registry_schema_version, integer(), integer()} |
    {failed_to_decode_registry_file, binary(), gleam@json:decode_error()} |
    {unknown_element, binary()} |
    {unsupported_registry_file, binary(), binary()}.

-file("src/drip/internal/error.gleam", 292).
?DOC(false).
-spec quote(binary()) -> binary().
quote(Value) ->
    <<<<"\""/utf8, Value/binary>>/binary, "\""/utf8>>.

-file("src/drip/internal/error.gleam", 281).
?DOC(false).
-spec describe_field_error(gleam@dynamic@decode:decode_error()) -> binary().
describe_field_error(Error) ->
    {decode_error, Expected, Found, Path} = Error,
    Location = case Path of
        [] ->
            <<""/utf8>>;

        _ ->
            <<" at "/utf8,
                (quote(gleam@string:join(Path, <<"."/utf8>>)))/binary>>
    end,
    <<<<<<<<"expected "/utf8, Expected/binary>>/binary, " but found "/utf8>>/binary,
            Found/binary>>/binary,
        Location/binary>>.

-file("src/drip/internal/error.gleam", 268).
?DOC(false).
-spec describe_decode_error(gleam@json:decode_error()) -> binary().
describe_decode_error(Error) ->
    case Error of
        unexpected_end_of_input ->
            <<"the file ended unexpectedly."/utf8>>;

        {unexpected_byte, Byte} ->
            <<<<"unexpected byte "/utf8, (quote(Byte))/binary>>/binary,
                "."/utf8>>;

        {unexpected_sequence, Sequence} ->
            <<<<"unexpected sequence "/utf8, (quote(Sequence))/binary>>/binary,
                "."/utf8>>;

        {unable_to_decode, Errors} ->
            <<<<"the contents don't match the expected registry format ("/utf8,
                    (begin
                        _pipe = Errors,
                        _pipe@1 = gleam@list:map(
                            _pipe,
                            fun describe_field_error/1
                        ),
                        gleam@string:join(_pipe@1, <<", "/utf8>>)
                    end)/binary>>/binary,
                ")."/utf8>>
    end.

-file("src/drip/internal/error.gleam", 261).
?DOC(false).
-spec describe_connect_error(gleam@httpc:connect_error()) -> binary().
describe_connect_error(Error) ->
    case Error of
        {posix, Code} ->
            Code;

        {tls_alert, Code@1, Detail} ->
            <<<<<<Code@1/binary, " ("/utf8>>/binary, Detail/binary>>/binary,
                ")"/utf8>>
    end.

-file("src/drip/internal/error.gleam", 248).
?DOC(false).
-spec describe_http_error(gleam@httpc:http_error()) -> binary().
describe_http_error(Error) ->
    case Error of
        invalid_utf8_response ->
            <<"response body was not valid UTF-8."/utf8>>;

        response_timeout ->
            <<"response timed out."/utf8>>;

        {failed_to_connect, Ip4, Ip6} ->
            <<<<<<<<"failed to connect (ipv4: "/utf8,
                            (describe_connect_error(Ip4))/binary>>/binary,
                        ", ipv6: "/utf8>>/binary,
                    (describe_connect_error(Ip6))/binary>>/binary,
                ")."/utf8>>
    end.

-file("src/drip/internal/error.gleam", 296).
?DOC(false).
-spec quote_key(list(binary())) -> binary().
quote_key(Key) ->
    quote(gleam@string:join(Key, <<"."/utf8>>)).

-file("src/drip/internal/error.gleam", 230).
?DOC(false).
-spec describe_edit_error(tomlet:edit_error()) -> binary().
describe_edit_error(Error) ->
    case Error of
        empty_key_path ->
            <<"the edit key path was empty."/utf8>>;

        {invalid_key_segment, Segment} ->
            <<<<"the key segment "/utf8, (quote(Segment))/binary>>/binary,
                " cannot be written as TOML."/utf8>>;

        invalid_comment_text ->
            <<"a comment spanned more than one line."/utf8>>;

        {missing_edit_key, Key} ->
            <<<<"no value exists at "/utf8, (quote_key(Key))/binary>>/binary,
                "."/utf8>>;

        {key_conflict, Key@1} ->
            <<(quote_key(Key@1))/binary,
                " conflicts with an existing value."/utf8>>;

        {inline_table_insert_unsupported, Key@2} ->
            <<<<"cannot insert "/utf8, (quote_key(Key@2))/binary>>/binary,
                " into an existing inline table; rewrite it as a [tools.drip] section."/utf8>>;

        invalid_value ->
            <<"the value can't be represented here."/utf8>>
    end.

-file("src/drip/internal/error.gleam", 218).
?DOC(false).
-spec describe_expected_type(tomlet:expected_type()) -> binary().
describe_expected_type(Expected) ->
    case Expected of
        expected_string ->
            <<"a string"/utf8>>;

        expected_int ->
            <<"an integer"/utf8>>;

        expected_bool ->
            <<"a boolean"/utf8>>;

        expected_float ->
            <<"a float"/utf8>>;

        expected_date ->
            <<"a date"/utf8>>;

        expected_time ->
            <<"a time"/utf8>>;

        expected_date_time ->
            <<"a date-time"/utf8>>
    end.

-file("src/drip/internal/error.gleam", 205).
?DOC(false).
-spec describe_get_error(tomlet:get_error()) -> binary().
describe_get_error(Error) ->
    case Error of
        {key_not_found, Key} ->
            <<<<"missing the required key "/utf8, (quote_key(Key))/binary>>/binary,
                "."/utf8>>;

        {wrong_type, Key@1, Expected} ->
            <<<<<<<<"expected "/utf8, (quote_key(Key@1))/binary>>/binary,
                        " to be "/utf8>>/binary,
                    (describe_expected_type(Expected))/binary>>/binary,
                "."/utf8>>
    end.

-file("src/drip/internal/error.gleam", 196).
?DOC(false).
-spec describe_syntax_error(tomlet:syntax_error_kind()) -> binary().
describe_syntax_error(Kind) ->
    case Kind of
        expected_value ->
            <<"expected a value"/utf8>>;

        expected_key ->
            <<"expected a key"/utf8>>;

        expected_table_header ->
            <<"expected a table header"/utf8>>;

        invalid_toml ->
            <<"invalid TOML"/utf8>>
    end.

-file("src/drip/internal/error.gleam", 183).
?DOC(false).
-spec describe_parse_error(tomlet:parse_error()) -> binary().
describe_parse_error(Error) ->
    case Error of
        invalid_encoding ->
            <<"the file is not valid UTF-8."/utf8>>;

        {invalid_syntax, Kind, Offset} ->
            <<<<<<(describe_syntax_error(Kind))/binary,
                        " at byte offset "/utf8>>/binary,
                    (erlang:integer_to_binary(Offset))/binary>>/binary,
                "."/utf8>>;

        {duplicate_key, Key, _} ->
            <<<<"the key "/utf8, (quote_key(Key))/binary>>/binary,
                " is defined more than once."/utf8>>
    end.

-file("src/drip/internal/error.gleam", 53).
?DOC(false).
-spec describe(error()) -> binary().
describe(Error) ->
    case Error of
        {invalid_usage, Message} ->
            Message;

        {no_elements_requested, Command} ->
            <<<<<<<<"No elements requested. "/utf8,
                            (gleam@string:capitalise(Command))/binary>>/binary,
                        " one or more elements by name using gleam run -m drip -- "/utf8>>/binary,
                    Command/binary>>/binary,
                " <element>."/utf8>>;

        {failed_to_find_project_root, Path} ->
            Location = case Path of
                <<"./"/utf8>> ->
                    <<"the current directory"/utf8>>;

                _ ->
                    quote(Path)
            end,
            <<<<"Failed to find gleam.toml in "/utf8, Location/binary>>/binary,
                " or any parent directory. Ensure you're inside a Gleam project."/utf8>>;

        {failed_to_read_gleam_toml, Cause} ->
            <<<<"Failed to read gleam.toml: "/utf8,
                    (simplifile:describe_error(Cause))/binary>>/binary,
                "."/utf8>>;

        {failed_to_parse_gleam_toml, Cause@1} ->
            <<"Failed to parse gleam.toml: "/utf8,
                (describe_parse_error(Cause@1))/binary>>;

        {failed_to_get_gleam_toml_value, Cause@2} ->
            <<"Failed to get gleam.toml value: "/utf8,
                (describe_get_error(Cause@2))/binary>>;

        {failed_to_edit_gleam_toml, Cause@3} ->
            <<"Failed to update gleam.toml: "/utf8,
                (describe_edit_error(Cause@3))/binary>>;

        {invalid_prefix, Got} ->
            <<<<<<"The prefix "/utf8, (quote(Got))/binary>>/binary,
                    " isn't a valid module path. Use lowercase identifier segments like"/utf8>>/binary,
                " ui or lib/ui."/utf8>>;

        {failed_to_check_if_project_file_exists, Path@1, Cause@4} ->
            <<<<<<<<"Failed to check whether a file exists at "/utf8,
                            (quote(Path@1))/binary>>/binary,
                        ": "/utf8>>/binary,
                    (simplifile:describe_error(Cause@4))/binary>>/binary,
                "."/utf8>>;

        {failed_to_read_project_directory, Path@2, Cause@5} ->
            <<<<<<<<"Failed to list the contents of "/utf8,
                            (quote(Path@2))/binary>>/binary,
                        ": "/utf8>>/binary,
                    (simplifile:describe_error(Cause@5))/binary>>/binary,
                "."/utf8>>;

        {failed_to_create_project_directory, Path@3, Cause@6} ->
            <<<<<<<<"Failed to create the parent directory for "/utf8,
                            (quote(Path@3))/binary>>/binary,
                        ": "/utf8>>/binary,
                    (simplifile:describe_error(Cause@6))/binary>>/binary,
                "."/utf8>>;

        {failed_to_write_project_file, Path@4, Cause@7} ->
            <<<<<<<<"Failed to write "/utf8, (quote(Path@4))/binary>>/binary,
                        ": "/utf8>>/binary,
                    (simplifile:describe_error(Cause@7))/binary>>/binary,
                "."/utf8>>;

        {failed_to_read_project_file, Path@5, Cause@8} ->
            <<<<<<<<"Failed to read "/utf8, (quote(Path@5))/binary>>/binary,
                        ": "/utf8>>/binary,
                    (simplifile:describe_error(Cause@8))/binary>>/binary,
                "."/utf8>>;

        {failed_to_delete_project_file, Path@6, Cause@9} ->
            <<<<<<<<"Failed to delete "/utf8, (quote(Path@6))/binary>>/binary,
                        ": "/utf8>>/binary,
                    (simplifile:describe_error(Cause@9))/binary>>/binary,
                "."/utf8>>;

        {project_file_already_exists, Path@7} ->
            <<(quote(Path@7))/binary,
                " already exists. Pass --force to overwrite."/utf8>>;

        {failed_to_find_index_stylesheet, Path@8} ->
            <<<<"Failed to find index stylesheet at "/utf8,
                    (quote(Path@8))/binary>>/binary,
                ". Initialize your project with gleam run -m drip -- init."/utf8>>;

        empty_source ->
            <<"The source is empty. Set it to a URL or path, or remove it to use the"/utf8,
                " default."/utf8>>;

        {invalid_source_url, Url} ->
            <<<<"The source isn't a valid URL: "/utf8, (quote(Url))/binary>>/binary,
                "."/utf8>>;

        {source_not_found, Location@1} ->
            <<<<"Failed to find the source file at "/utf8,
                    (quote(Location@1))/binary>>/binary,
                ". Check that the source points at a valid registry."/utf8>>;

        {source_returned_bad_status, Url@1, Status} ->
            <<<<<<<<"Failed to fetch the source file at "/utf8,
                            (quote(Url@1))/binary>>/binary,
                        ": received HTTP status code "/utf8>>/binary,
                    (erlang:integer_to_binary(Status))/binary>>/binary,
                "."/utf8>>;

        {failed_to_fetch_source_file, Url@2, Cause@10} ->
            <<<<<<"Failed to fetch the source file at "/utf8,
                        (quote(Url@2))/binary>>/binary,
                    ": "/utf8>>/binary,
                (describe_http_error(Cause@10))/binary>>;

        {failed_to_read_source_file, Path@9, Cause@11} ->
            <<<<<<<<"Failed to read the source file at "/utf8,
                            (quote(Path@9))/binary>>/binary,
                        ": "/utf8>>/binary,
                    (simplifile:describe_error(Cause@11))/binary>>/binary,
                "."/utf8>>;

        {unsupported_registry_schema_version, Found, Supported} ->
            <<<<<<<<"This registry is on schema version "/utf8,
                            (erlang:integer_to_binary(Found))/binary>>/binary,
                        ", but this version of drip only supports schema versions up to "/utf8>>/binary,
                    (erlang:integer_to_binary(Supported))/binary>>/binary,
                ". Update drip to use this registry."/utf8>>;

        {failed_to_decode_registry_file, Path@10, Cause@12} ->
            <<<<<<"Failed to decode the registry file at "/utf8,
                        (quote(Path@10))/binary>>/binary,
                    ": "/utf8>>/binary,
                (describe_decode_error(Cause@12))/binary>>;

        {unknown_element, Name} ->
            <<<<"No element named "/utf8, (quote(Name))/binary>>/binary,
                " in the registry. See what's available with gleam run -m drip -- list."/utf8>>;

        {unsupported_registry_file, Element, File} ->
            <<<<<<<<"The registry entry "/utf8, (quote(Element))/binary>>/binary,
                        " lists an unsupported file path "/utf8>>/binary,
                    (quote(File))/binary>>/binary,
                ". Registry file names must be plain names, without \"/\", \"\\\", or \"..\"."/utf8>>
    end.