// ds_runner.js
const path = require('path');
const DeepSeekHash = require('./ds'); // 就是你那份不依赖 fs-extra 的 ds.js

async function main() {
    // 读取 stdin
    const input = await new Promise((resolve, reject) => {
        let s = '';
        process.stdin.setEncoding('utf8');
        process.stdin.on('data', c => s += c);
        process.stdin.on('end', () => resolve(s));
        process.stdin.on('error', reject);
    });
    const p = JSON.parse(input || '{}');

    const wasmPath = p.wasmPath || path.join(__dirname, 'sha3_wasm_bg.wasm');

    const dsh = new DeepSeekHash();
    await dsh.init(wasmPath);

    const ans = dsh.calculateHash(
        p.algorithm, p.challenge, p.salt, p.difficulty, p.expireAt
    );

    process.stdout.write(JSON.stringify({ ok: true, answer: ans }));
}

main().catch(err => {
    process.stdout.write(JSON.stringify({ ok: false, error: String(err && err.stack || err) }));
    process.exitCode = 1;
});