import { Client } from "@xmtp/xmtp-js";
import { Wallet } from "ethers";

/**
 * XMTP (Web3) A2A Broadcaster
 * Pings known Agent Wallets directly with task JSON.
 */
export async function broadcastViaXMTP(task: any) {
  console.log(`[XMTP Broadcaster] Preparing to broadcast Task ${task.id}...`);

  try {
    // For MVP, we use a random wallet to simulate the VibeWork Dispatcher.
    // In production, this would be a funded EVM wallet loaded via process.env.XMTP_PRIVATE_KEY
    const wallet = Wallet.createRandom();
    console.log(`[XMTP Broadcaster] Simulator Wallet Generated: ${wallet.address}`);

    // Create XMTP client (simulated connection)
    // We don't actually connect to the production network in this simulated run
    // to avoid polluting the mainnet/devnet with random wallets.
    
    // const xmtp = await Client.create(wallet, { env: "dev" });

    // Target wallets (e.g., prominent open-source agents or human scouts)
    const targetAgentWallets = [
      "0xSimulatedAgentWallet1111111111111111111",
      "0xSimulatedAgentWallet2222222222222222222"
    ];

    const payload = JSON.stringify({
      protocol: "VibeWork_A2A_Bounty",
      version: "1.0",
      bounty: {
        id: task.id,
        title: task.title,
        reward: task.reward_amount,
        currency: task.reward_currency,
        endpoint: "https://api.vibework.com/mcp"
      }
    }, null, 2);

    for (const address of targetAgentWallets) {
      console.log(`[XMTP Broadcaster] ➡️ Sending encrypted DM to ${address}`);
      console.log(`[XMTP Broadcaster] Payload: \n${payload}`);
      
      // Real implementation:
      // const conversation = await xmtp.conversations.newConversation(address);
      // await conversation.send(payload);
    }

    console.log(`[XMTP Broadcaster] ✅ Broadcast complete.`);
    return true;
  } catch (error) {
    console.error("[XMTP Broadcaster] Failed:", error);
    return false;
  }
}
