-module(viva_telemetry@examples@bench_example).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/viva_telemetry/examples/bench_example.gleam").
-export([main/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(
    " Example: Using viva_telemetry/bench\n"
    "\n"
    " Run: gleam run -m viva_telemetry/examples/bench_example\n"
).

-file("src/viva_telemetry/examples/bench_example.gleam", 65).
-spec fib_recursive(integer()) -> integer().
fib_recursive(N) ->
    case N of
        0 ->
            0;

        1 ->
            1;

        _ ->
            fib_recursive(N - 1) + fib_recursive(N - 2)
    end.

-file("src/viva_telemetry/examples/bench_example.gleam", 77).
-spec fib_iter(integer(), integer(), integer()) -> integer().
fib_iter(N, A, B) ->
    case N of
        0 ->
            A;

        _ ->
            fib_iter(N - 1, B, A + B)
    end.

-file("src/viva_telemetry/examples/bench_example.gleam", 73).
-spec fib_iterative(integer()) -> integer().
fib_iterative(N) ->
    fib_iter(N, 0, 1).

-file("src/viva_telemetry/examples/bench_example.gleam", 9).
-spec main() -> nil.
main() ->
    gleam_stdlib:println(<<"=== viva_telemetry/bench Demo ===\n"/utf8>>),
    gleam_stdlib:println(<<"--- Single Benchmark ---"/utf8>>),
    Result1 = viva_telemetry@bench:run(
        <<"list.range(1, 1000)"/utf8>>,
        fun() -> gleam@list:range(1, 1000) end
    ),
    viva_telemetry@bench:print(Result1),
    gleam_stdlib:println(<<"\n--- Comparison ---"/utf8>>),
    Fib_recursive_result = viva_telemetry@bench:run(
        <<"fib_recursive(20)"/utf8>>,
        fun() -> fib_recursive(20) end
    ),
    Fib_iterative_result = viva_telemetry@bench:run(
        <<"fib_iterative(20)"/utf8>>,
        fun() -> fib_iterative(20) end
    ),
    viva_telemetry@bench:print(Fib_recursive_result),
    viva_telemetry@bench:print(Fib_iterative_result),
    Cmp = viva_telemetry@bench:compare(
        Fib_recursive_result,
        Fib_iterative_result
    ),
    viva_telemetry@bench:print_comparison(Cmp),
    gleam_stdlib:println(<<"\n--- Multiple Benchmarks (Markdown) ---"/utf8>>),
    Cfg = viva_telemetry@bench:config(5, 50),
    Map_result = viva_telemetry@bench:run_with_config(
        <<"list.map"/utf8>>,
        fun() ->
            gleam@list:map(gleam@list:range(1, 100), fun(X) -> X * 2 end)
        end,
        Cfg
    ),
    Filter_result = viva_telemetry@bench:run_with_config(
        <<"list.filter"/utf8>>,
        fun() ->
            gleam@list:filter(
                gleam@list:range(1, 100),
                fun(X@1) -> (X@1 rem 2) =:= 0 end
            )
        end,
        Cfg
    ),
    Fold_result = viva_telemetry@bench:run_with_config(
        <<"list.fold"/utf8>>,
        fun() ->
            gleam@list:fold(
                gleam@list:range(1, 100),
                0,
                fun(Acc, X@2) -> Acc + X@2 end
            )
        end,
        Cfg
    ),
    gleam_stdlib:println(
        viva_telemetry@bench:to_markdown_table(
            [Map_result, Filter_result, Fold_result]
        )
    ),
    gleam_stdlib:println(<<"\n--- JSON Export ---"/utf8>>),
    gleam_stdlib:println(viva_telemetry@bench:to_json_string(Result1)),
    gleam_stdlib:println(<<"\n=== Demo completed! ==="/utf8>>).