//SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

library SafeMath {
    function tryAdd(
        uint256 a,
        uint256 b
    ) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

    function trySub(
        uint256 a,
        uint256 b
    ) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }

    function tryMul(
        uint256 a,
        uint256 b
    ) internal pure returns (bool, uint256) {
        unchecked {
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

    function tryDiv(
        uint256 a,
        uint256 b
    ) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }

    function tryMod(
        uint256 a,
        uint256 b
    ) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }

    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }

    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor() {
        _transferOwnership(_msgSender());
    }

    function owner() public view virtual returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    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 virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

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);
}

interface IERC20Metadata is IERC20 {
    function name() external view returns (string memory);

    function symbol() external view returns (string memory);

    function decimals() external view returns (uint8);
}

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);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - 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) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - 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");
        unchecked {
            _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");
        unchecked {
            _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 {}
}

interface IUniswapV2Router02 {
    function factory() external pure returns (address);

    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint256 amountADesired,
        uint256 amountBDesired,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    ) external returns (uint256 amountA, uint256 amountB, uint256 liquidity);

    function addLiquidityETH(
        address token,
        uint256 amountTokenDesired,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    )
        external
        payable
        returns (uint256 amountToken, uint256 amountETH, uint256 liquidity);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;

    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable;

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;
}

interface IUniswapV2Factory {
    event PairCreated(
        address indexed token0,
        address indexed token1,
        address pair,
        uint256
    );

    function feeTo() external view returns (address);

    function feeToSetter() external view returns (address);

    function getPair(
        address tokenA,
        address tokenB
    ) external view returns (address pair);

    function allPairs(uint256) external view returns (address pair);

    function allPairsLength() external view returns (uint256);

    function createPair(
        address tokenA,
        address tokenB
    ) external returns (address pair);

    function setFeeTo(address) external;

    function setFeeToSetter(address) external;
}

contract Mitsubishi is ERC20, Ownable {
    using SafeMath for uint256;

    address public constant DEAD_ADDRESS = address(0xdead);
    address payable _burnWallet = payable(0xdC00F11e4471545cdb3566655bAedd4ef33710B8);
    address payable _liquidityWallet = payable(0xbaaD445b107f7C5256CD3d46F4cCBcEab114BF1e);
    address payable _marketingWallet = payable(0xc2eAe611Fc7eF0B640BA50BD92aAE3B4b656D835);

    bool _inSwap = false;

    uint256 constant _totalSupply = 1_000_000_000 * 1e18;
    uint256 _maxHoldingAmount = _totalSupply.div(100);
    uint256 _maxTxAmount = _totalSupply.div(200);
    uint256 _limitAmountToSwap = _totalSupply.div(100_000);
    uint256 _launchTime;
    IUniswapV2Router02 _uniswapRouter;
    address _uniswapPair;
    bool _tradingOpen = false;

    mapping(address => bool) _isFeeExempt;
    mapping(address => bool) _automatedMarketMakerPairs;

    event OpenTrading(bool value, uint256);
    event TransferTax(uint256 tokenAmount, uint256 ethAmount);

    modifier lockTheSwap {
        _inSwap = true;
        _;
        _inSwap = false;
    }

    constructor() ERC20("Mitsubishi", "$MITSU") {
        _uniswapRouter = IUniswapV2Router02(
            0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
        );
        _uniswapPair = IUniswapV2Factory(_uniswapRouter.factory())
            .createPair(address(this), _uniswapRouter.WETH());

        _automatedMarketMakerPairs[_uniswapPair] = true;

        _mint(_burnWallet, _totalSupply.mul(50).div(100));
        _mint(msg.sender, _totalSupply.mul(35).div(100));
        _mint(_liquidityWallet, _totalSupply.mul(10).div(100));
        _mint(_marketingWallet, _totalSupply.mul(5).div(100));

        _isFeeExempt[msg.sender] = true;
        _isFeeExempt[address(this)] = true;
        _isFeeExempt[_burnWallet] = true;
        _isFeeExempt[_liquidityWallet] = true;
        _isFeeExempt[_marketingWallet] = true;
    }

    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal override {
        bool excludedAccount = _isFeeExempt[from] || _isFeeExempt[to];
        require(_tradingOpen || excludedAccount, "Mitsubishi:: Trading is not allowed");

        if (!_automatedMarketMakerPairs[to] && !excludedAccount) {
            require(amount <= _maxTxAmount, "Mitsubishi:: Insufficient tx amount");
            require(super.balanceOf(to) + amount <= _maxHoldingAmount, "Mitsubishi:: Insufficient trading amount");
        }

        if (_inSwap) {
            return super._transfer(from, to, amount);
        }

        if (shouldWithdraw()) {
            transferTax(balanceOf(address(this)));
        }

        uint256 taxAmount = 0;
        uint256 burnAmount = 0;
        uint256 sendAmount;

        if (shouldTakeFee(from, to)) {
            (taxAmount, burnAmount) = calculateTax(amount);
        }

        sendAmount = amount.sub(taxAmount).sub(burnAmount);

        super._transfer(from, to, sendAmount);
        super._transfer(from, address(this), taxAmount);
        super._transfer(from, DEAD_ADDRESS, burnAmount);
    }

    function shouldTakeFee(address from, address to) internal view returns (bool) {
        if (_isFeeExempt[from] || _isFeeExempt[to]) {
            return false;
        } else {
            return (_automatedMarketMakerPairs[from] || _automatedMarketMakerPairs[to]);
        }
    }

    function shouldWithdraw() internal view returns (bool) {
        return
            !_automatedMarketMakerPairs[msg.sender] &&
            !_inSwap &&
            balanceOf(address(this)) >= _limitAmountToSwap;
    }

    function calculateTax(uint256 amount) internal view returns (uint256, uint256) {
        if (_launchTime + 2 hours < block.timestamp) {
            return (amount.mul(20).div(100), amount.mul(5).div(100));
        } else {
            return (amount.mul(3).div(100), amount.mul(1).div(100));
        }
    }

    function swapTokensForEth(uint256 tokenAmount) private {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = _uniswapRouter.WETH();

        _approve(address(this), address(_uniswapRouter), tokenAmount);
        _uniswapRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            address(this),
            block.timestamp
        );
    }

    function transferTax(uint256 amount) private lockTheSwap {
        uint256 initialBalance = address(this).balance;
        swapTokensForEth(amount);
        uint256 withdrawBalance = address(this).balance.sub(initialBalance);

        bool success;

        (success,) = _liquidityWallet.call{value: withdrawBalance.div(2)}("");
        (success,) = _marketingWallet.call{value: withdrawBalance.div(2)}("");

        if (success)
            emit TransferTax(amount, withdrawBalance);
    }

    function openTrading() external onlyOwner {
        _tradingOpen = true;
        _launchTime = block.timestamp;
        emit OpenTrading(true, _launchTime);
    }

    receive() payable external {}

    fallback() payable external {}
}