contract TheCondition is ERC721, ERC721Enumerable, ERC721URIStorage, ERC721Burnable, Ownable {
        
        using Strings for uint256;
        
        // Optional mapping for token URIs
        mapping (uint256 => string) private _tokenURIs;

        // Base URI
        string private _baseURIextended;


        constructor() ERC721("The Condition", "TC") {}

        function setBaseURI(string memory baseURI_) external onlyOwner() {
            _baseURIextended = baseURI_;
        }
        
        function _setTokenURI(uint256 tokenId, string memory _tokenURI) internal override(ERC721URIStorage) virtual {
            require(_exists(tokenId), "ERC721Metadata: URI set of nonexistent token");
            _tokenURIs[tokenId] = _tokenURI;
        }
        
        function _baseURI() internal view virtual override returns (string memory) {
            return _baseURIextended;
        }
        
        function tokenURI(uint256 tokenId) public view virtual override(ERC721, ERC721URIStorage) returns (string memory) {
            require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");

            string memory _tokenURI = _tokenURIs[tokenId];
            string memory base = _baseURI();
            
            // If there is no base URI, return the token URI.
            if (bytes(base).length == 0) {
                return _tokenURI;
            }
            // If both are set, concatenate the baseURI and tokenURI (via abi.encodePacked).
            if (bytes(_tokenURI).length > 0) {
                return string(abi.encodePacked(base, _tokenURI));
            }
            // If there is a baseURI but no tokenURI, concatenate the tokenID to the baseURI.
            return string(abi.encodePacked(base, tokenId.toString()));
        }
        

        function mint(
            address _to,
            uint256 _tokenId,
            string memory tokenURI_
        ) external onlyOwner() {
            _mint(_to, _tokenId);
            _setTokenURI(_tokenId, tokenURI_);
        }
    // The following functions are overrides required by Solidity.

    function _beforeTokenTransfer(address from, address to, uint256 tokenId)
        internal
        override(ERC721, ERC721Enumerable)
    {
        super._beforeTokenTransfer(from, to, tokenId);
    }
    function _burn(uint256 tokenId) internal override(ERC721, ERC721URIStorage) {
        super._burn(tokenId);
    }
    function supportsInterface(bytes4 interfaceId)
        public
        view
        override(ERC721, ERC721Enumerable)
        returns (bool)
    {
        return super.supportsInterface(interfaceId);
    }
    }
function _beforeTokenTransfer(address from, address to, uint256 tokenId)
        internal
        override(ERC721, ERC721Enumerable)
    {
        super._beforeTokenTransfer(from, to, tokenId);
    }
// The following functions are overrides required by Solidity.