import { hash2 } from "./random.js";

export function pickEntities(candidates, { max = 99, minDistance = 5, threshold = 0, seed = 0, jitter = 0.04 } = {}) {
  const sorted = candidates
    .filter((p) => Number.isFinite(p.score) && p.score >= threshold)
    .map((p) => ({ ...p, score: p.score + hash2(p.x, p.y, seed + 54321) * jitter }))
    .sort((a, b) => b.score - a.score);

  const out = [];
  for (const candidate of sorted) {
    if (out.every((p) => Math.hypot(p.x - candidate.x, p.y - candidate.y) >= minDistance)) {
      out.push(candidate);
      if (out.length >= max) break;
    }
  }
  return out;
}