import { playgroundHelper } from "../../helpers/helpers";
import { stablecoinVaultConstants } from "../constants";

// Complete vault redemption workflow
// Burns vault shares and withdraws underlying assets

const SLIPPAGE = BigInt(100);
const BASE_ASSET_CONTRACT = stablecoinVaultConstants.ASSET_ACCOUNT_ID;
const TOKEN_ID = stablecoinVaultConstants.BASE_TOKEN_ID;
const SHARES_TO_REDEEM = "599996000000000000000000";

console.log("Starting vault redemption process...");
const asset = {
  MultiToken: {
    contract_id: BASE_ASSET_CONTRACT,
    token_id: TOKEN_ID,
  },
};

const previewAssets = await playgroundHelper.account.viewFunction({
  contractId: playgroundHelper.vaultContractId,
  methodName: "preview_redeem",
  args: {
    shares: SHARES_TO_REDEEM,
    asset: asset,
  },
});

console.log(`Expected assets from redemption: ${previewAssets}`);

const min_assets = ((BigInt(previewAssets) * (BigInt(10000) - SLIPPAGE)) / BigInt(10000)).toString();
// For sync redemptions, execute immediate redemption
let redeemResult = await playgroundHelper.account.callFunction({
  contractId: playgroundHelper.vaultContractId,
  methodName: "redeem",
  args: {
    shares: SHARES_TO_REDEEM,
    asset: asset,
    min_assets: min_assets,
    receiver_id: playgroundHelper.account.accountId,
    memo: "EVM stablecoin vault sync redemption",
  },
  gas: 150000000000000n, // 150 TGas for cross-contract calls
  deposit: 1n, // 1 yoctoNEAR for security
});

console.log("Sync redemption result:", redeemResult);

// Step 6: Check final balances
const finalSharesBalance = await playgroundHelper.account.viewFunction({
  contractId: playgroundHelper.vaultContractId,
  methodName: "ft_balance_of",
  args: {
    account_id: playgroundHelper.account.accountId,
  },
});

const finalAssetBalance = await playgroundHelper.account.viewFunction({
  contractId: BASE_ASSET_CONTRACT,
  methodName: "mt_balance_of",
  args: {
    account_id: playgroundHelper.account.accountId,
    token_id: TOKEN_ID,
  },
});

console.log(`Final vault shares balance: ${finalSharesBalance}`);
console.log(`Final asset balance: ${finalAssetBalance}`);