#!/usr/bin/env node
"use strict";

const path = require("path");
const { Connection, PublicKey, Transaction, sendAndConfirmTransaction } = require("@solana/web3.js");
const {
  TOKEN_PROGRAM_ID,
  getAssociatedTokenAddressSync,
  createAssociatedTokenAccountIdempotentInstruction,
  createMintToInstruction,
  getMint,
} = require("@solana/spl-token");
const { clusterUrl, loadKeypair, parseEnvConfig, resolveConfigPath } = require("./js_common");

async function main() {
  const targetWallet = process.argv[3];
  const amountRaw = process.argv[4] || "1";
  if (!targetWallet) {
    throw new Error("Usage: node 01a_mint_governance_token.js <config.env> <target_wallet> [amount]");
  }

  const cfg = parseEnvConfig(resolveConfigPath(process.argv[2], "dao.config.env"));
  if (!cfg.DAO_GOV_TOKEN_MINT) throw new Error("В конфиге пустой DAO_GOV_TOKEN_MINT");
  if (!cfg.DAO_ISSUER_KEYPAIR) throw new Error("В конфиге пустой DAO_ISSUER_KEYPAIR");

  const conn = new Connection(clusterUrl(cfg.DAO_CLUSTER || "devnet"), "confirmed");
  const issuer = loadKeypair(path.resolve(cfg.DAO_ISSUER_KEYPAIR));
  const mint = new PublicKey(cfg.DAO_GOV_TOKEN_MINT);
  const target = new PublicKey(targetWallet);
  const amount = BigInt(amountRaw);

  const mintInfo = await getMint(conn, mint, "confirmed", TOKEN_PROGRAM_ID);
  if (mintInfo.decimals !== 0) {
    throw new Error(`Ожидался governance mint с decimals=0, а получено ${mintInfo.decimals}`);
  }

  const ata = getAssociatedTokenAddressSync(mint, target, false, TOKEN_PROGRAM_ID);
  const tx = new Transaction().add(
    createAssociatedTokenAccountIdempotentInstruction(
      issuer.publicKey,
      ata,
      target,
      mint,
      TOKEN_PROGRAM_ID
    ),
    createMintToInstruction(
      mint,
      ata,
      issuer.publicKey,
      amount,
      [],
      TOKEN_PROGRAM_ID
    )
  );

  const sig = await sendAndConfirmTransaction(conn, tx, [issuer], { commitment: "confirmed" });

  console.log("Mint done.");
  console.log("target:", target.toBase58());
  console.log("ata:", ata.toBase58());
  console.log("amount:", amount.toString());
  console.log("signature:", sig);
}

main().catch((e) => {
  console.error("MintGovernanceToken error:", e?.message || e);
  process.exit(1);
});