// Build-time character generator.
//
// DiceBear's `open-peeps` style IS Pablo Stanley's Open Peeps artwork (CC0-1.0).
// We generate deterministic per-seed SVGs OFFLINE (no runtime CDN / HTTP call) and
// vendor them into public/illustrations/dicebear/, then write a license-ledger row
// per file into public/illustrations/assets.json. Run: npm run gen:dicebear
import { createAvatar } from "@dicebear/core";
import { openPeeps } from "@dicebear/collection";
import { writeFileSync, readFileSync, mkdirSync } from "node:fs";
import { dirname, join } from "node:path";
import { fileURLToPath } from "node:url";

const __dirname = dirname(fileURLToPath(import.meta.url));
const ILLUS = join(__dirname, "..", "public", "illustrations");
const OUT = join(ILLUS, "dicebear");
mkdirSync(OUT, { recursive: true });

const COUNT = 30;
const VENDORED = "2026-06-22";
const ledger = {};

for (let i = 1; i <= COUNT; i++) {
  const seed = `flatrender-peep-${i}`;
  // idRandomizer keeps SVG <defs> ids unique so multiple avatars can be inlined
  // in one document without clashing (Remotion composites many in one frame).
  const svg = createAvatar(openPeeps, { seed, size: 400, randomizeIds: true }).toString();
  const file = `openpeeps-${String(i).padStart(2, "0")}.svg`;
  writeFileSync(join(OUT, file), svg, "utf8");
  ledger[`dicebear/${file}`] = {
    source: "DiceBear open-peeps (Pablo Stanley Open Peeps)",
    license: "CC0-1.0",
    license_class: "CC0",
    commercial_ok: true,
    attribution_required: false,
    ai_training_allowed: true,
    animation_fit: "swap-transform (bust/half-body micro-rig)",
    generator: `createAvatar(openPeeps,{seed:'${seed}'})`,
    url: "https://www.dicebear.com/styles/open-peeps/",
    vendored: VENDORED,
  };
}

// Merge into the assets.json license ledger (preserve any existing rows).
const ledgerPath = join(ILLUS, "assets.json");
let existing = {};
try {
  existing = JSON.parse(readFileSync(ledgerPath, "utf8"));
} catch {
  existing = {};
}
writeFileSync(ledgerPath, JSON.stringify({ ...existing, ...ledger }, null, 2) + "\n", "utf8");
console.log(`generated ${COUNT} open-peeps SVGs in ${OUT}`);
console.log(`ledger now has ${Object.keys({ ...existing, ...ledger }).length} rows`);