import { readFileSync, writeFileSync } from 'node:fs';
import { Game } from '../src/game';
import { solve } from '../src/solver';
import type { Level } from '../src/types';

const file = new URL('../levels/campaign.json', import.meta.url);
const pack = JSON.parse(readFileSync(file, 'utf8')) as { levels: Level[] };
for (const level of pack.levels) {
  if (level.solution?.length) continue;
  let found = false;
  for (let trial = 0; trial < 24; trial++) {
    const start = Date.now();
    const game = new Game(level);
    const solution = solve(game, level.id < 7 ? 12 : 18);
    console.log(`L${level.id} seed=${level.seed} ${solution ? `WIN ${solution.path.length} moves / ${solution.visited} states` : 'no proof'} ${Date.now() - start}ms`);
    if (solution) {
      level.solution = solution.path;
      level.par = solution.path.length;
      writeFileSync(file, JSON.stringify(pack, null, 2) + '\n');
      found = true; break;
    }
    level.seed += 137;
  }
  if (!found) throw new Error(`Unable to find L${level.id}`);
}