-module(touch_grass@file_system@read_file).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/touch_grass/file_system/read_file.gleam").
-export([decode/1, encode/1]).
-export_type([input/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(
    " Read the contents of a file\n"
    " \n"
    " Accepts a limit by default, this should be large.\n"
    " The effect doesn't assume a file is kept open and so streaming very large files should be handled as a different effect.\n"
).

-type input() :: {input, binary(), integer(), integer()}.

-file("src/touch_grass/file_system/read_file.gleam", 14).
-spec decode(eyg@interpreter@value:value(PYF, PYG)) -> {ok, input()} |
    {error, eyg@interpreter@break:reason(PYF, PYG)}.
decode(Input) ->
    gleam@result:'try'(
        eyg@interpreter@cast:field(
            <<"path"/utf8>>,
            fun eyg@interpreter@cast:as_string/1,
            Input
        ),
        fun(Path) ->
            gleam@result:'try'(
                eyg@interpreter@cast:field(
                    <<"offset"/utf8>>,
                    fun eyg@interpreter@cast:as_integer/1,
                    Input
                ),
                fun(Offset) ->
                    gleam@result:'try'(
                        eyg@interpreter@cast:field(
                            <<"limit"/utf8>>,
                            fun eyg@interpreter@cast:as_integer/1,
                            Input
                        ),
                        fun(Limit) -> {ok, {input, Path, Offset, Limit}} end
                    )
                end
            )
        end
    ).

-file("src/touch_grass/file_system/read_file.gleam", 21).
-spec encode({ok, bitstring()} | {error, binary()}) -> eyg@interpreter@value:value(any(), any()).
encode(Result) ->
    case Result of
        {ok, Data} ->
            eyg@interpreter@value:ok({binary, Data});

        {error, Reason} ->
            eyg@interpreter@value:error({string, Reason})
    end.