pragma solidity ^0.8.0;






contract AIKaijuz is ERC721A, Ownable, ReentrancyGuard {
    using Strings for uint256;

    string public baseURI;
    uint256 public price = 0.005 ether;
    uint256 public maxSupply = 3333;
    uint256 public maxFreeAmount = 1000;
    uint256 public maxMintsPerTx = 10;
    bool public paused = false;
    

    mapping(address => uint256) public addressFreeMintedBalance;

    constructor(
        string memory _name,
        string memory _symbol
        ) ERC721A(_name, _symbol) {
    }
    
    function _baseURI() internal view virtual override returns (string memory) {
        return baseURI;
    }

    modifier isCorrectPayment(uint256 cost, uint256 _mintAmount) {
        if(totalSupply() + _mintAmount > maxFreeAmount) {
        require((cost * _mintAmount) == msg.value, "Incorrect ETH value sent." );
        }
        _;
    }
    
    function mint(uint256 _mintAmount) public payable 
        nonReentrant 
        isCorrectPayment(price, _mintAmount) 
    {
		uint256 supply = totalSupply();
        uint256 addressFreeMintedCount = addressFreeMintedBalance[msg.sender];
        require(paused, "Sales paused.");
        require(_mintAmount < maxMintsPerTx + 1, "Max per TX reached."); 
		require(_mintAmount > 0, "Cant mint 0." );
		require(supply + _mintAmount <= maxSupply, "Cant go over supply." );
		for (uint256 i = 0; i < _mintAmount; ++i) {
            addressFreeMintedBalance[msg.sender]++;
		}
        _safeMint(msg.sender, _mintAmount);
		delete supply;
        delete addressFreeMintedCount;
	}

    function devMint(uint256 _mintAmount) public payable onlyOwner{
        uint256 supply = totalSupply();
        uint256 addressFreeMintedCount = addressFreeMintedBalance[msg.sender];
        require(_mintAmount < maxMintsPerTx + 1, "Max per TX reached."); 
		require(_mintAmount > 0, "Cant mint 0." );
		require(supply + _mintAmount <= maxSupply, "Cant go over supply." );
		for (uint256 i = 0; i < _mintAmount; ++i) {
            addressFreeMintedBalance[msg.sender]++;
		}
        _safeMint(msg.sender, _mintAmount);
		delete supply;
        delete addressFreeMintedCount;
    }
    
    function toggleSale() external onlyOwner {
        paused = !paused;
    }


    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        require(_exists(tokenId), "ERC721Metadata: Nonexistent token");
        string memory currentBaseURI = _baseURI();
        return
            bytes(currentBaseURI).length > 0
                ? string(abi.encodePacked(currentBaseURI, tokenId.toString(), ".json"))
                : "";
    }

    function setCost(uint256 _newCost) public onlyOwner {
        price = _newCost;
    }

    function setmaxSupply(uint256 _newMaxSupply) public onlyOwner {
        require(_newMaxSupply <= maxSupply, "Cannot increase max supply");
        maxSupply = _newMaxSupply;
    }

    function setmaxFreeSupply(uint256 _newMaxFreeSupply) public onlyOwner {
        maxFreeAmount = _newMaxFreeSupply;
    }

    function setBaseURI(string memory _newBaseURI) public onlyOwner {
        baseURI = _newBaseURI;
    }

    function setMaxPerTx(uint256 _amount) public onlyOwner{
        maxMintsPerTx = _amount;
    }

    function withdraw() public payable onlyOwner {
        (bool success, ) = payable(msg.sender).call{
            value: address(this).balance
        }("");
        require(success);
    }

    function withdrawAny(uint256 _amount) public payable onlyOwner {
        (bool success, ) = payable(msg.sender).call{value: _amount}("");
        require(success);
    }
}
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me":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newCost","type":"uint256"}],"name":"setCost","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"setMaxPerTx","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newMaxFreeSupply","type":"uint256"}],"name":"setmaxFreeSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newMaxSupply","type":"uint256"}],"name":"setmaxSupply","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"toggleSale","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"tokenOfOwnerByIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdrawAny","outputs":[],"stateMutability":"payable","type":"function"}]