-module(internal@bench@simple_pathfinding).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/internal/bench/simple_pathfinding.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(
    "  Simple Pathfinding Benchmark\n"
    "\n"
    " Compares Dijkstra's algorithm across different graph sizes\n"
    " Run with: gleam run -m internal/bench/simple_pathfinding\n"
).

-file("src/internal/bench/simple_pathfinding.gleam", 46).
-spec bench_dijkstra({yog@model:graph(nil, integer()), integer(), integer()}) -> nil.
bench_dijkstra(Input) ->
    {Graph, From, To} = Input,
    _ = yog@pathfinding:shortest_path(
        Graph,
        From,
        To,
        0,
        fun gleam@int:add/2,
        fun gleam@int:compare/2
    ),
    nil.

-file("src/internal/bench/simple_pathfinding.gleam", 13).
-spec main() -> nil.
main() ->
    gleam_stdlib:println(
        <<"\n╔════════════════════════════════════════════════════════════╗"/utf8>>
    ),
    gleam_stdlib:println(
        <<"║         PATHFINDING BENCHMARK - GRAPH SIZE SCALING        ║"/utf8>>
    ),
    gleam_stdlib:println(
        <<"╚════════════════════════════════════════════════════════════╝\n"/utf8>>
    ),
    gleam_stdlib:println(
        <<"Benchmarking: How does Dijkstra scale with graph size?"/utf8>>
    ),
    gleam_stdlib:println(<<"Expected: O((V+E) log V) complexity\n"/utf8>>),
    Small = internal@bench@bench_utils:random_graph(small, sparse, 42),
    Medium = internal@bench@bench_utils:random_graph(medium, sparse, 42),
    Inputs = [{input, <<"Small: 100 nodes"/utf8>>, {Small, 0, 99}},
        {input, <<"Medium: 1K nodes"/utf8>>, {Medium, 0, 999}}],
    Functions = [{function, <<"Dijkstra"/utf8>>, fun bench_dijkstra/1}],
    _pipe = gleamy@bench:run(
        Inputs,
        Functions,
        [{duration, 2000}, {warmup, 500}]
    ),
    _pipe@1 = gleamy@bench:table(_pipe, [i_p_s, min, max, {p, 99}]),
    gleam_stdlib:println(_pipe@1),
    gleam_stdlib:println(
        <<"\n╔════════════════════════════════════════════════════════════╗"/utf8>>
    ),
    gleam_stdlib:println(
        <<"║                      BENCHMARK COMPLETE                    ║"/utf8>>
    ),
    gleam_stdlib:println(
        <<"╚════════════════════════════════════════════════════════════╝\n"/utf8>>
    ).