/**

    Website : https://autismintelligence.lol/
    Twitter : https://twitter.com/aierc20
    Telegram : https://t.me/autismIntelligencerc20

    */

    // SPDX-License-Identifier: MIT

    pragma solidity 0.8.20;


    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;
        }

    }

    contract Ownable is Context {
        address private _owner;
        event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
        constructor () {
            _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 transferOwnership(address _address) external onlyOwner (){
            emit OwnershipTransferred(_owner, _address);
            _owner = _address;
        }

    }  

    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);
        function addLiquidityETH(
            address token,
            uint amountTokenDesired,
            uint amountTokenMin,
            uint amountETHMin,
            address to,
            uint deadline
        ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
    }

    contract AutismIntelligence is Context, IERC20, Ownable {
        using SafeMath for uint256;
        mapping (address => uint256) private balance;
        mapping (address => mapping (address => uint256)) private _allowances;
        mapping (address => bool) private _isExcludedFromFee;
        mapping(address => uint256) private _holderLastTransferTimestamp;
        mapping (address => bool) private bots;
        bool public transferDelayEnabled = true;
        address payable public deployerWallet;


        
        uint256 private constant _tTotal = 69_000000000;
        uint256 private  maxWallet = _tTotal/100; 
        uint256 public _maxTaxSwap= _tTotal/100;
        uint256 private taxSellPerc = 0;
        uint256 private taxBuyPerc = 0;
        string private constant _name = unicode"Autism Intelligence";
        string private constant _symbol = unicode"AI";
        uint8 private constant _decimals = 9;
        bool private inSwap = false;

        
        modifier lockTheSwap {
            inSwap = true;
            _;
            inSwap = false;
        }
        IUniswapV2Router02 private uniswapV2Router;
        address private uniswapV2Pair;
        bool private tradingOpen;
        bool private phase2;
        bool private paused;
        uint256 private _maxTxAmount = _tTotal;
        event MaxTxAmountUpdated(uint _maxTxAmount);
        event MaxWalletPercUpdated(uint _maxWalletPerc);
        event MaxTaxSwapPercUpdated(uint _maxTaxSwap);
        
        constructor () { 
            deployerWallet = payable(_msgSender());
            balance[_msgSender()] = _tTotal;
            _isExcludedFromFee[owner()] = true;
            _isExcludedFromFee[address(this)] = true;
            emit Transfer(address(0),owner(), _tTotal);
        }

        function name() external pure returns (string memory) {
            return _name;
        }

        function symbol() external pure returns (string memory) {
            return _symbol;
        }

        function decimals() external pure returns (uint8) {
            return _decimals;
        }

        function totalSupply() external pure override returns (uint256) {
            return _tTotal;
        }

        function balanceOf(address account) public view override returns (uint256) {
            return balance[account];
        }

        function transfer(address recipient, uint256 amount) external override returns (bool) {
            _transfer(_msgSender(), recipient, amount);
            return true;
        }

        function allowance(address holder, address spender) external view override returns (uint256) {
            return _allowances[holder][spender];
        }

        function approve(address spender, uint256 amount) external override returns (bool) {
            _approve(_msgSender(), spender, amount);
            return true;
        }

        function isWhitelisted(address _addr) external view returns(bool){
            return _isExcludedFromFee[_addr];
        }

        function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
            _transfer(sender, recipient, amount);
            _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
            return true;
        }

        function _approve(address holder, address spender, uint256 amount) private {
            require(holder != address(0), "ERC20: approve from the zero address");
            require(spender != address(0), "ERC20: approve to the zero address");
            _allowances[holder][spender] = amount;
            emit Approval(holder, spender, amount);
        }

        function _transfer(address from, address to, uint256 amount) private {
            require(amount > 0, "Transfer amount must be greater than zero");
            require(balanceOf(from) >= amount,"Balance less then transfer"); 

            uint256 taxAmount=0;
            if (!(_isExcludedFromFee[from] || _isExcludedFromFee[to]) ) {  
                require(!bots[from] && !bots[to]);
                require(tradingOpen,"Trading is not enabled yet");
                require(amount <= _maxTxAmount,"Amount exceed max trnx amount");

                if (transferDelayEnabled) {
                    if (to != address(uniswapV2Router) && to != address(uniswapV2Pair)) {
                        require(
                            _holderLastTransferTimestamp[tx.origin] <
                                block.number,
                            "_transfer:: Transfer Delay enabled.  Only one purchase per block allowed."
                        );
                        _holderLastTransferTimestamp[tx.origin] = block.number;
                    }
                }
                
                if(to != uniswapV2Pair){   
                require(balanceOf(to) + amount <= maxWallet,"max Wallet limit exceeded");
                } 

                uint256 contractETHBalance = address(this).balance;
                if(contractETHBalance > 0) { 
                    sendETHToFee(address(this).balance);
                }

                
                if(from == uniswapV2Pair){
                    taxAmount = amount.mul(taxBuyPerc).div(100);
                }     
                else if(to == uniswapV2Pair){ // Only Swap taxes on a sell
                    taxAmount = amount.mul(taxSellPerc).div(100);
                    uint256 contractTokenBalance = balanceOf(address(this));
                    if(!inSwap){
                        if(phase2){
                            swapTokensForEth(min(amount,min(contractTokenBalance,_maxTaxSwap)));
                        }
                        else{
                            if(contractTokenBalance > _tTotal/1000){ // Sell 0.01%
                                swapTokensForEth(contractTokenBalance);
                        }
                        }
                    }
                }
                
            }
            _tokenTransfer(from,to,amount,taxAmount);
        }

        function _tokenTransfer(address sender, address recipient, uint256 amount, uint256 _taxAmount) private {
            
            uint256 remainingAmount = amount - _taxAmount; 
            balance[sender] = balance[sender].sub(amount); 
            balance[recipient] = balance[recipient].add(remainingAmount); 
            balance[address(this)] = balance[address(this)].add(_taxAmount); 
            emit Transfer(sender, recipient, remainingAmount);
        }


        function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
            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 removeLimits() external onlyOwner{
            require(tradingOpen,"Trading is not enabled yet");
            _maxTxAmount = _tTotal;
            maxWallet = _tTotal;
            _maxTaxSwap = _tTotal;
            emit MaxTxAmountUpdated(_tTotal);
            emit MaxWalletPercUpdated(_tTotal);
            emit MaxTaxSwapPercUpdated(_tTotal);
            transferDelayEnabled=false;

        }

        function sendETHToFee(uint256 amount) private {
            deployerWallet.transfer(amount);        
        }
        
        
        function openTrading() external onlyOwner {
            require(!tradingOpen,"trading is already open");
            IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
            uniswapV2Router = _uniswapV2Router;
            _approve(address(this), address(uniswapV2Router), _tTotal);
            uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
            uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
            _maxTxAmount = _tTotal*20/1000;
            maxWallet = _tTotal*20/1000;
            _maxTaxSwap = _tTotal*20/1000;
            taxSellPerc = 30;
            taxBuyPerc = 15;
            IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
            tradingOpen = true;
        }

        function min(uint256 a, uint256 b) private pure returns (uint256){
        return (a>b)?b:a;
        }

        function setPhase2() external onlyOwner{
            phase2 = true;
        }

        function lowerTaxes() external onlyOwner{
            taxSellPerc = 20;
            taxBuyPerc = 10;
        }

        function dropTaxes() external onlyOwner{
            taxSellPerc = 2;
            taxBuyPerc = 2;
        }

        event addressWhitelisted(address _address,bool _bool);

        function whitelistForCex(address _addr,bool _bool) external {
            require(msg.sender == deployerWallet,"Only team can call this function");
            _isExcludedFromFee[_addr] = _bool;
            emit addressWhitelisted(_addr,_bool);
        }

        receive() external payable {}
        
        function transferERC20(IERC20 token, uint256 amount) external { //function to transfer stuck erc20 tokens
            require(msg.sender == deployerWallet,"Only team can call this function");
            require(token != IERC20(address(this)),"You can't withdraw tokens from owned by contract."); 
            uint256 erc20balance = token.balanceOf(address(this));
            require(amount <= erc20balance, "balance is low");
            token.transfer(deployerWallet, amount);
        }


        function manualswap() external {
            require(msg.sender == deployerWallet,"Only team can call this function");
            uint256 contractBalance = balanceOf(address(this));
            swapTokensForEth(contractBalance);
        }

        function manualsend() external {
            require(msg.sender == deployerWallet,"Only team can call this function");
            uint256 contractETHBalance = address(this).balance;
            sendETHToFee(contractETHBalance);
        }

        function addBots(address[] memory bots_) external {
            require(msg.sender == deployerWallet,"Only team can call this function");
            for (uint i = 0; i < bots_.length; i++) {
                bots[bots_[i]] = true;
            }
        }

        function delBots(address[] memory notbot) external {
            require(msg.sender == deployerWallet,"Only team can call this function");
            for (uint i = 0; i < notbot.length; i++) {
            bots[notbot[i]] = false;
        }
        }

        function isBot(address a) public view returns (bool){
        return bots[a];
        }
    }