// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "./e2XUsers1.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

contract VoucherContract {
    e2XUsernames public userDataContract;

    mapping(string => bool) public usedVouchers;
    mapping(address => uint256) public e2xCumulativeTotal;

    event VoucherRedeemed(string indexed voucherId, address indexed memberAddress, string e2xDataId);

    modifier onlyOwner() {
        require(msg.sender == owner, "Only contract owner can call this function");
        _;
    }

    address public owner;
    IERC20 public usdeToken;

    constructor(address _userDataContract, address _usdeToken) {
        userDataContract = e2XUsernames(_userDataContract);
        usdeToken = IERC20(_usdeToken);
        owner = msg.sender;
    }

    function deposit() external {
        // Deposit 35 USDe tokens
        uint256 depositAmount = 35 * 10**18; // 35 USDe tokens with 18 decimals
        usdeToken.transferFrom(msg.sender, address(this), depositAmount);

        // Transfer 10 USDe tokens to the referrer
        address referrer = userDataContract.getAddressByUser(userDataContract.getData(msg.sender));
        uint256 referralAmount = 10 * 10**18; // 10 USDe tokens with 18 decimals
        usdeToken.transfer(referrer, referralAmount);

        // Increment e2x cumulative total
        e2xCumulativeTotal[msg.sender] += 15;
    }
function redeemVoucher(string memory voucherId) external {
    require(!usedVouchers[voucherId], "Voucher has already been used");

    // Mark the voucher as used
    usedVouchers[voucherId] = true;

    // Increment e2x cumulative total
    e2xCumulativeTotal[msg.sender] += 15;

    // Emit the VoucherRedeemed event
    emit VoucherRedeemed(voucherId, msg.sender, userDataContract.getData(msg.sender));
    
    // Emit other events and perform necessary actions...
}



    function generateVoucherCode(string memory e2xDataId) internal pure returns (string memory) {
        // Dummy implementation to generate a unique voucher code
        return string(abi.encodePacked(e2xDataId, "-USDe20"));
    }
}