/** Medición local reproducible; no acredita rendimiento de navegador, red o producción. */
import assert from "node:assert/strict";
import { performance } from "node:perf_hooks";

import { createElement } from "react";
import { renderToStaticMarkup } from "react-dom/server";

import { EntityTable } from "../components/entity-list.tsx";

import { createTextMatcher } from "./text-search.ts";

function measure(operation, iterations) {
  for (let index = 0; index < 5; index++) {
    operation();
  }
  const samples = [];

  for (let index = 0; index < iterations; index++) {
    const started = performance.now();

    operation();
    samples.push(performance.now() - started);
  }
  samples.sort((first, second) => first - second);

  return { medianMs: samples[Math.floor(samples.length / 2)], maxMs: samples.at(-1), iterations };
}

const results = [];
const columns = [
  { id: "name", label: "Nombre", value: (item) => item.name, render: (item) => item.name },
];

for (const count of [30, 300, 1000]) {
  const items = Array.from({ length: count }, (_, index) => ({
    id: String(index),
    name: `${index % 2 ? "Portátil Administración Peña" : "Sobremesa Ingeniería Pena"} PC-${index}`,
  }));
  const matches = createTextMatcher("  portatil  ");
  const filtered = items.filter((item) => matches(item.name));

  assert.equal(filtered.length, count / 2);
  results.push({
    count,
    matches: filtered.length,
    filter: measure(() => items.filter((item) => matches(item.name)), 100),
    previousComparison: measure(
      () => items.filter((item) => item.name.toLowerCase().includes("portátil")),
      100
    ),
    ssrTable: measure(
      () =>
        renderToStaticMarkup(
          createElement(EntityTable, {
            items,
            columns,
            title: "Equipos",
            search: "portatil",
          })
        ),
      10
    ),
  });
}
process.stdout.write(`${JSON.stringify({ runtime: process.version, results }, null, 2)}\n`);