const { tuzCompress } = require("../tuz.js");
const { execFileSync } = require("child_process");
let rnd = 12345;
const rand = () => (rnd = (rnd * 1103515245 + 12345) & 0x7fffffff) & 0xff;
const cases = [];
for (const leds of [44, 88, 176]) {
  cases.push(Array.from({ length: leds * 3 }, (_, i) => [255, 0, 128][i % 3]));
  cases.push(Array.from({ length: leds * 3 }, (_, i) => (i * 7) & 0xff));
  cases.push(Array.from({ length: leds * 3 }, rand));
  cases.push(Array.from({ length: leds * 3 }, (_, i) => (Math.floor(i / 30) * 40) & 0xff));
}
for (let t = 0; t < 200; t++) {
  const n = 1 + (rand() * 7) % 700;
  const alph = 1 + rand() % 6;
  cases.push(Array.from({ length: n }, () => rand() % alph * 50));
}
let ok = 0;
for (const c of cases) {
  const code = Buffer.from(tuzCompress(c));
  const out = execFileSync(require("path").join(__dirname, "..", "tuzd.exe"), [String(c.length)], { input: code });
  if (Buffer.compare(out, Buffer.from(c)) !== 0) { console.log("MISMATCH len", c.length); process.exit(1); }
  ok++;
}
const solid = tuzCompress(Array.from({ length: 132 }, (_, i) => [128, 0, 255][i % 3]));
console.log(`${ok}/${cases.length} round-trips ok; solid 44 LEDs -> ${solid.length} bytes`);