const axios = require('axios');
const crypto = require('crypto');
const fs = require('fs');

// Load user wallet from JSON (private key)
const wallet = loadWallet();

function loadWallet() {
    if (!fs.existsSync('wallet.json')) {
        console.error('Wallet not found! Please create one using the Discord bot.');
        process.exit(1);
    }
    return JSON.parse(fs.readFileSync('wallet.json'));
}

// Generate a random amount of tokens to "mine"
function mineTokens() {
    return Math.floor(Math.random() * 10) + 1;  // Mine between 1 to 10 tokens
}

// Sign data with user's private key
function signData(data, privateKey) {
    const signer = crypto.createSign('sha256');
    signer.update(data);
    return signer.sign(privateKey, 'hex');
}

// Perform the mining operation
async function performMining() {
    const tokens = mineTokens();
    const userId = wallet.userId;
    const data = `${userId}:${tokens}`;

    // Sign the mining data with private key
    const signature = signData(data, wallet.privateKey);

    // Send mined tokens to the API
    try {
        const response = await axios.post('http://localhost:45712/mine', {
            userId,
            tokens,
            signature
        });

        console.log(`Mining successful! Balance: ${response.data.balance}`);
    } catch (error) {
        console.error('Mining failed:', error.response?.data || error.message);
    }
}

// Start mining every 30 seconds
setInterval(performMining, 30000); // Mine every 30 seconds