trove

-module(trove@internal@snapshot).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/trove/internal/snapshot.gleam").
-export([new/6, close/1, get/2, range/4, get_in/3, range_in/5]).
-export_type([keyspace_view/0, snapshot/2]).

-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 keyspace_view() :: {keyspace_view,
        trove@internal@btree:btree(bitstring(), bitstring()),
        fun((bitstring(), bitstring()) -> gleam@order:order())}.

-opaque snapshot(JWO, JWP) :: {snapshot,
        trove@internal@btree:btree(JWO, JWP),
        trove@internal@store:store(),
        trove@codec:codec(JWO),
        trove@codec:codec(JWP),
        fun((JWO, JWO) -> gleam@order:order()),
        gleam@dict:dict(binary(), keyspace_view())}.

-file("src/trove/internal/snapshot.gleam", 39).
?DOC(false).
-spec new(
    trove@internal@btree:btree(JWQ, JWR),
    trove@internal@store:store(),
    trove@codec:codec(JWQ),
    trove@codec:codec(JWR),
    fun((JWQ, JWQ) -> gleam@order:order()),
    gleam@dict:dict(binary(), keyspace_view())
) -> snapshot(JWQ, JWR).
new(Tree, Store, Key_codec, Value_codec, Key_compare, Keyspaces) ->
    {snapshot, Tree, Store, Key_codec, Value_codec, Key_compare, Keyspaces}.

-file("src/trove/internal/snapshot.gleam", 51).
?DOC(false).
-spec close(snapshot(any(), any())) -> nil.
close(Snapshot) ->
    case trove@internal@store:close(erlang:element(3, Snapshot)) of
        {ok, nil} ->
            nil;

        {error, Reason} ->
            gleam_stdlib:println_error(
                <<"[trove] failed to close snapshot store: "/utf8,
                    (trove@internal@store:error_to_string(Reason))/binary>>
            )
    end.

-file("src/trove/internal/snapshot.gleam", 63).
?DOC(false).
-spec get(snapshot(JXE, JXF), JXE) -> {ok, JXF} | {error, nil}.
get(Snapshot, Key) ->
    Result@1 = case trove@internal@btree:lookup(
        erlang:element(2, Snapshot),
        erlang:element(3, Snapshot),
        Key,
        erlang:element(4, Snapshot),
        erlang:element(5, Snapshot),
        erlang:element(6, Snapshot)
    ) of
        {ok, Result} -> Result;
        _assert_fail ->
            erlang:error(#{gleam_error => let_assert,
                        message => <<"Pattern match failed, no pattern matched the value."/utf8>>,
                        file => <<?FILEPATH/utf8>>,
                        module => <<"trove/internal/snapshot"/utf8>>,
                        function => <<"get"/utf8>>,
                        line => 64,
                        value => _assert_fail,
                        start => 1972,
                        'end' => 2206,
                        pattern_start => 1983,
                        pattern_end => 1993})
    end,
    gleam@option:to_result(Result@1, nil).

-file("src/trove/internal/snapshot.gleam", 77).
?DOC(false).
-spec range(
    snapshot(JXK, JXL),
    gleam@option:option(trove@range:bound(JXK)),
    gleam@option:option(trove@range:bound(JXK)),
    trove@range:direction()
) -> gleam@yielder:yielder({JXK, JXL}).
range(Snapshot, Min, Max, Direction) ->
    trove@internal@btree@range:'query'(
        erlang:element(2, Snapshot),
        erlang:element(3, Snapshot),
        Min,
        Max,
        Direction,
        erlang:element(4, Snapshot),
        erlang:element(5, Snapshot),
        erlang:element(6, Snapshot)
    ).

-file("src/trove/internal/snapshot.gleam", 96).
?DOC(false).
-spec get_in(snapshot(any(), any()), binary(), bitstring()) -> {ok, bitstring()} |
    {error, nil}.
get_in(Snapshot, Name, Key_bytes) ->
    View@1 = case gleam_stdlib:map_get(erlang:element(7, Snapshot), Name) of
        {ok, View} -> View;
        _assert_fail ->
            erlang:error(#{gleam_error => let_assert,
                        message => <<"Pattern match failed, no pattern matched the value."/utf8>>,
                        file => <<?FILEPATH/utf8>>,
                        module => <<"trove/internal/snapshot"/utf8>>,
                        function => <<"get_in"/utf8>>,
                        line => 101,
                        value => _assert_fail,
                        start => 2963,
                        'end' => 3019,
                        pattern_start => 2974,
                        pattern_end => 2982})
    end,
    Result@1 = case trove@internal@btree:lookup(
        erlang:element(2, View@1),
        erlang:element(3, Snapshot),
        Key_bytes,
        trove@codec:bit_array(),
        trove@codec:bit_array(),
        erlang:element(3, View@1)
    ) of
        {ok, Result} -> Result;
        _assert_fail@1 ->
            erlang:error(#{gleam_error => let_assert,
                        message => <<"Pattern match failed, no pattern matched the value."/utf8>>,
                        file => <<?FILEPATH/utf8>>,
                        module => <<"trove/internal/snapshot"/utf8>>,
                        function => <<"get_in"/utf8>>,
                        line => 102,
                        value => _assert_fail@1,
                        start => 3022,
                        'end' => 3251,
                        pattern_start => 3033,
                        pattern_end => 3043})
    end,
    gleam@option:to_result(Result@1, nil).

-file("src/trove/internal/snapshot.gleam", 115).
?DOC(false).
-spec range_in(
    snapshot(any(), any()),
    binary(),
    gleam@option:option(trove@range:bound(bitstring())),
    gleam@option:option(trove@range:bound(bitstring())),
    trove@range:direction()
) -> gleam@yielder:yielder({bitstring(), bitstring()}).
range_in(Snapshot, Name, Min, Max, Direction) ->
    View@1 = case gleam_stdlib:map_get(erlang:element(7, Snapshot), Name) of
        {ok, View} -> View;
        _assert_fail ->
            erlang:error(#{gleam_error => let_assert,
                        message => <<"Pattern match failed, no pattern matched the value."/utf8>>,
                        file => <<?FILEPATH/utf8>>,
                        module => <<"trove/internal/snapshot"/utf8>>,
                        function => <<"range_in"/utf8>>,
                        line => 122,
                        value => _assert_fail,
                        start => 3622,
                        'end' => 3678,
                        pattern_start => 3633,
                        pattern_end => 3641})
    end,
    trove@internal@btree@range:'query'(
        erlang:element(2, View@1),
        erlang:element(3, Snapshot),
        Min,
        Max,
        Direction,
        trove@codec:bit_array(),
        trove@codec:bit_array(),
        erlang:element(3, View@1)
    ).