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

// Context.sol
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// Ownable.sol
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor(address initialOwner) {
        _transferOwnership(initialOwner);
    }

    function owner() public view virtual returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    function _transferOwnership(address newOwner) internal {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// IERC20.sol
interface IERC20 {
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    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);
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// IERC20Metadata.sol
interface IERC20Metadata is IERC20 {
    function name() external view returns (string memory);
    function symbol() external view returns (string memory);
    function decimals() external view returns (uint8);
}

// ERC20.sol
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    uint256 private _totalSupply;
    string private _name;
    string private _symbol;

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    function name() public view virtual override returns (string memory) {
        return _name;
    }

    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()] - amount);
        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] - subtractedValue);
        return true;
    }

    function _transfer(address sender, address recipient, uint256 amount) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        _balances[sender] = senderBalance - amount;
        _balances[recipient] += amount;
        emit Transfer(sender, recipient, amount);

        _afterTokenTransfer(sender, recipient, amount);
    }

    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        _balances[account] = accountBalance - amount;
        _totalSupply -= amount;
        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
    function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual { }
}

// ERC20Burnable.sol
abstract contract ERC20Burnable is Context, ERC20 {
    function burn(uint256 amount) public virtual {
        _burn(_msgSender(), amount);
    }

    function burnFrom(address account, uint256 amount) public virtual {
        uint256 currentAllowance = allowance(account, _msgSender());
        require(currentAllowance >= amount, "ERC20: burn amount exceeds allowance");
        _approve(account, _msgSender(), currentAllowance - amount);
        _burn(account, amount);
    }
}

// ReentrancyGuard.sol
abstract contract ReentrancyGuard {
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    modifier nonReentrant() {
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
        _status = _ENTERED;
        _;
        _status = _NOT_ENTERED;
    }
}

// IUniswapV2Router02.sol
interface IUniswapV2Router02 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;
}

// IUniswapV2Factory.sol
interface IUniswapV2Factory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}

// BearPunksToken.sol
contract BearPunksToken is ERC20, ERC20Burnable, Ownable, ReentrancyGuard {
    uint256 private constant INITIAL_SUPPLY = 10000000 * 10**18; // 10 million tokens

    address public marketingWallet = 0xe94F18cc2020B8f5B32a02b153ECD75F1DF43439; // Marketing wallet to receive tax
    uint256 public buyTaxBasisPoints = 200; // 2% buy tax in basis points
    uint256 public sellTaxBasisPoints = 600; // 6% sell tax in basis points

    IUniswapV2Router02 public uniswapV2Router;
    address public uniswapV2Pair;
    
    bool private swapping;
    bool public swapEnabled = true;
    uint256 public swapTokensAtAmount = 50 * 10**18; // Threshold to swap tokens for ETH

    event TokensSwapped(uint256 tokenAmount, uint256 ethAmount);
    event TaxApplied(address from, address to, uint256 taxAmount, uint256 transferAmount);
    event SwapInitiated(uint256 tokenAmount, uint256 ethBalance);

    constructor(address _initialOwner) ERC20("Bear Punks", "$BEAR") Ownable(_initialOwner) {
        require(_initialOwner != address(0), "Initial owner address cannot be the zero address");

        _mint(_initialOwner, INITIAL_SUPPLY); // Minting is done only once here

        // Initialize Uniswap Router
        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
            0x327Df1E6de05895d2ab08513aaDD9313Fe505d86 // UniswapV2 Router address
        );
        uniswapV2Router = _uniswapV2Router;
        
        // Create a pair for this new token
        uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
            .createPair(address(this), _uniswapV2Router.WETH());
    }

    function setSwapTokensAtAmount(uint256 amount) external onlyOwner {
        swapTokensAtAmount = amount;
    }

    function setBuyTaxBasisPoints(uint256 basisPoints) external onlyOwner {
        buyTaxBasisPoints = basisPoints;
    }

    function setSellTaxBasisPoints(uint256 basisPoints) external onlyOwner {
        sellTaxBasisPoints = basisPoints;
    }

    function setMarketingWallet(address _marketingWallet) external onlyOwner {
        marketingWallet = _marketingWallet;
    }

    function customTransfer(address from, address to, uint256 amount) internal nonReentrant {
        uint256 taxAmount = 0;
        uint256 transferAmount = amount;

        if (from == uniswapV2Pair) {
            // Buying tokens
            taxAmount = amount * buyTaxBasisPoints / 10000;
            transferAmount = amount - taxAmount;
        } else if (to == uniswapV2Pair) {
            // Selling tokens
            taxAmount = amount * sellTaxBasisPoints / 10000;
            transferAmount = amount - taxAmount;
        }

        if (taxAmount > 0) {
            super._transfer(from, address(this), taxAmount);
        }
        super._transfer(from, to, transferAmount);

        emit TaxApplied(from, to, taxAmount, transferAmount);

        uint256 contractTokenBalance = balanceOf(address(this));
        if (contractTokenBalance >= swapTokensAtAmount && swapEnabled && from != uniswapV2Pair && !swapping) {
            swapping = true;
            swapTokensForEth(contractTokenBalance);
            swapping = false;
        }
    }

    function swapTokensForEth(uint256 tokenAmount) private nonReentrant {
        emit SwapInitiated(tokenAmount, address(this).balance);

        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniswapV2Router.WETH();

        _approve(address(this), address(uniswapV2Router), tokenAmount);

        uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            address(this),
            block.timestamp
        );

        uint256 ethBalance = address(this).balance;
        payable(marketingWallet).transfer(ethBalance);

        emit TokensSwapped(tokenAmount, ethBalance);
    }

    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        customTransfer(_msgSender(), recipient, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
        customTransfer(sender, recipient, amount);
        _approve(sender, _msgSender(), allowance(sender, _msgSender()) - amount);
        return true;
    }

    receive() external payable {}
}

{
  "compilationTarget": {
    "BearPunksToken.sol": "BearPunksToken"
  },
  "evmVersion": "cancun",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}