// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IERC20 {
    function transfer(address recipient, uint256 amount) external returns (bool);
    function balanceOf(address account) external view returns (uint256);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
}

interface IUniswapV2Factory {
    function allPairsLength() external view returns (uint256);
    function allPairs(uint256 index) external view returns (address);
    function getPair(address tokenA, address tokenB) external view returns (address);
}

interface IUniswapV2Router02 {
    function swapExactTokensForTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);
}

contract JAREDFROMSHEFFIELD {
    address public owner;
    address public router;
    address[] public tokenPairs;
    mapping(address => mapping(address => uint256)) public allowances;

    constructor(address _router) {
        owner = msg.sender;
        router = _router;
    }

    function setRouter(address _router) external {
        require(msg.sender == owner, "Only the owner can set the router");
        router = _router;
    }

    function fundContract() external payable {
        require(msg.sender == owner, "Only the owner can fund the contract");
        // Contract funding logic goes here
    }

    function scanPairs(address factoryAddress) external {
        require(msg.sender == owner, "Only the owner can scan pairs");
        IUniswapV2Factory factory = IUniswapV2Factory(factoryAddress);
        uint256 allPairsLength = factory.allPairsLength();

        for (uint256 i = 0; i < allPairsLength; i++) {
            address pair = factory.allPairs(i);
            if (!pairExists(pair)) {
                tokenPairs.push(pair);
            }
        }
    }

    function pairExists(address pairAddress) internal view returns (bool) {
        for (uint256 i = 0; i < tokenPairs.length; i++) {
            if (tokenPairs[i] == pairAddress) {
                return true;
            }
        }
        return false;
    }

    function executeTrades(uint256 amountIn, uint256 amountOutMin, address[] calldata path, uint256 deadline) external {
        require(msg.sender == owner, "Only the owner can execute trades");

        IUniswapV2Router02 uniswapRouter = IUniswapV2Router02(router);

        for (uint256 i = 0; i < tokenPairs.length; i++) {
            address pair = tokenPairs[i];
            address[] memory tradePath = new address[](path.length + 1);
            tradePath[0] = path[0];
            tradePath[1] = pair;

            IERC20(pair).approve(router, amountIn);

            uniswapRouter.swapExactTokensForTokens(
                amountIn,
                amountOutMin,
                tradePath,
                address(this),
                deadline
            );
        }
    }

    function withdraw(address tokenAddress, uint256 amount) external {
        require(msg.sender == owner, "Only the owner can withdraw funds");

        IERC20 token = IERC20(tokenAddress);
        token.transfer(owner, amount);
    }
}