// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Counters.sol";

contract BillionaireLandDomains is ERC721, Ownable {
    using Counters for Counters.Counter;

    struct Domain {
        string description;
        string[] utilities;
        string website;
        uint256 registrationDate;
        uint256 expiryDate;
    }

    Counters.Counter private _tokenIdCounter;
    mapping(uint256 => Domain) private _domains;

    constructor() ERC721("BillionaireLandDomains", "BLD") {}

    function registerDomain(
        string memory description, 
        string[] memory utilities, 
        string memory website, 
        uint256 registrationDate, 
        uint256 expiryDate
    ) public onlyOwner {
        uint256 tokenId = _tokenIdCounter.current();
        _mint(msg.sender, tokenId);
        
        Domain storage newDomain = _domains[tokenId];
        newDomain.description = description;
        newDomain.utilities = utilities;
        newDomain.website = website;
        newDomain.registrationDate = registrationDate;
        newDomain.expiryDate = expiryDate;

        _tokenIdCounter.increment();
    }

    function getDomain(uint256 tokenId) public view returns (Domain memory) {
        require(_exists(tokenId), "Domain does not exist.");
        return _domains[tokenId];
    }

    function updateDomain(
        uint256 tokenId, 
        string memory description, 
        string[] memory utilities, 
        string memory website, 
        uint256 expiryDate
    ) public onlyOwner {
        require(_exists(tokenId), "Domain does not exist.");
        Domain storage domain = _domains[tokenId];
        domain.description = description;
        domain.utilities = utilities;
        domain.website = website;
        domain.expiryDate = expiryDate;
    }

    function burn(uint256 tokenId) public onlyOwner {
        _burn(tokenId);
        delete _domains[tokenId];
    }
}{
  "domains": [
    {
      "domain": "BillionaireLand.btc",
      "description": "The premier domain for elite Bitcoin enthusiasts, BillionaireLand.btc serves as the central hub for all things related to the exclusive BillionaireLand community. A luxury digital destination for Bitcoin billionaires, offering premium content and services.",
      "utility": [
        "Membership Access: Exclusive access to high-profile events, webinars, and forums.",
        "Luxury Marketplace: Buy and sell high-end goods and services with Bitcoin.",
        "Wealth Management Tools: Advanced tools for managing and growing Bitcoin wealth.",
        "Investment Opportunities: Access to exclusive investment projects and partnerships.",
        "Private Networking: Connect with other Bitcoin billionaires in a secure environment."
      ]
    },
    {
      "domain": "BillionaireLand.fb",
      "description": "A specialized domain focused on connecting the BillionaireLand community with social networking features. It integrates seamlessly with Facebook to foster relationships among elite members.",
      "utility": [
        "Social Networking: Connect, interact, and network with other members.",
        "Exclusive Content: Access to private groups, posts, and live sessions.",
        "Event Coordination: Organize and participate in exclusive BillionaireLand events.",
        "Business Collaboration: Platform for business leaders to collaborate and form ventures.",
        "Community Engagement: Participate in discussions and share insights with other billionaires."
      ]
    },
    {
      "domain": "BillionaireLand.sats",
      "description": "BillionaireLand.sats is dedicated to Sat (Satoshi) enthusiasts within the BillionaireLand community. This domain focuses on microtransactions, Satoshi-based investments, and educational content.",
      "utility": [
        "Micro-Investments: Invest in Bitcoin projects with microtransactions.",
        "Educational Resources: Learn about Bitcoin from Satoshi to advanced topics.",
        "Satoshi Market: Trade goods and services with Satoshis.",
        "Gaming Platform: Engage in games and challenges that reward Satoshis.",
        "Donation Platform: Donate Satoshis to philanthropic causes endorsed by the community."
      ]
    },
    {
      "domain": "BillionaireLand.ord",
      "description": "BillionaireLand.ord offers a specialized space for Ordinals within the BillionaireLand ecosystem. This domain focuses on ordinal-based digital assets, metadata, and NFT collections.",
      "utility": [
        "Ordinal NFTs: Create, trade, and manage ordinal-based NFTs.",
        "Digital Assets Registry: Securely register and manage digital assets.",
        "Metadata Services: Attach and manage metadata for digital assets.",
        "Art & Collectibles: Access to exclusive digital art and collectible assets.",
        "Community Gallery: Showcase and view digital art from other billionaires."
      ]
    },
    {
      "domain": "BillionaireLand.x",
      "description": "A versatile domain for experimental and cutting-edge projects, BillionaireLand.x is the go-to place for innovation within the BillionaireLand community.",
      "utility": [
        "Innovation Hub: Explore and participate in cutting-edge projects and startups.",
        "R&D Collaboration: Collaborate on research and development initiatives.",
        "Tech Incubator: Support for tech startups with resources and mentorship.",
        "Beta Testing: Access to exclusive beta tests of new technologies and services.",
        "Future Trends: Stay informed about the latest trends and advancements in technology."
      ]
    },
    {
      "domain": "BillionaireLand.bitmap",
      "description": "BillionaireLand.bitmap focuses on digital and blockchain-based mapping technologies. This domain offers services related to spatial data, geographic information systems (GIS), and blockchain-based mapping.",
      "utility": [
        "Digital Mapping: Create and explore digital maps with blockchain technology.",
        "Spatial Data Services: Manage and analyze geographic data.",
        "Blockchain GIS: Secure and decentralized geographic information systems.",
        "Smart Contracts for Mapping: Automate mapping processes with smart contracts.",
        "Geospatial Projects: Access to projects and ventures in geospatial technology."
      ]
    }
  ]
}{
  "domains": [
    {
      "domain": "BillionaireLand.btc",
      "description": "The premier domain for elite Bitcoin enthusiasts, BillionaireLand.btc serves as the central hub for all things related to the exclusive BillionaireLand community. A luxury digital destination for Bitcoin billionaires, offering premium content and services.",
      "utility": [
        "Membership Access: Exclusive access to high-profile events, webinars, and forums.",
        "Luxury Marketplace: Buy and sell high-end goods and services with Bitcoin.",
        "Wealth Management Tools: Advanced tools for managing and growing Bitcoin wealth.",
        "Investment Opportunities: Access to exclusive investment projects and partnerships.",
        "Private Networking: Connect with other Bitcoin billionaires in a secure environment."
      ]
    },
    {
      "domain": "BillionaireLand.fb",
      "description": "A specialized domain focused on connecting the BillionaireLand community with social networking features. It integrates seamlessly with Facebook to foster relationships among elite members.",
      "utility": [
        "Social Networking: Connect, interact, and network with other members.",
        "Exclusive Content: Access to private groups, posts, and live sessions.",
        "Event Coordination: Organize and participate in exclusive BillionaireLand events.",
        "Business Collaboration: Platform for business leaders to collaborate and form ventures.",
        "Community Engagement: Participate in discussions and share insights with other billionaires."
      ]
    },
    {
      "domain": "BillionaireLand.sats",
      "description": "BillionaireLand.sats is dedicated to Sat (Satoshi) enthusiasts within the BillionaireLand community. This domain focuses on microtransactions, Satoshi-based investments, and educational content.",
      "utility": [
        "Micro-Investments: Invest in Bitcoin projects with microtransactions.",
        "Educational Resources: Learn about Bitcoin from Satoshi to advanced topics.",
        "Satoshi Market: Trade goods and services with Satoshis.",
        "Gaming Platform: Engage in games and challenges that reward Satoshis.",
        "Donation Platform: Donate Satoshis to philanthropic causes endorsed by the community."
      ]
    },
    {
      "domain": "BillionaireLand.ord",
      "description": "BillionaireLand.ord offers a specialized space for Ordinals within the BillionaireLand ecosystem. This domain focuses on ordinal-based digital assets, metadata, and NFT collections.",
      "utility": [
        "Ordinal NFTs: Create, trade, and manage ordinal-based NFTs.",
        "Digital Assets Registry: Securely register and manage digital assets.",
        "Metadata Services: Attach and manage metadata for digital assets.",
        "Art & Collectibles: Access to exclusive digital art and collectible assets.",
        "Community Gallery: Showcase and view digital art from other billionaires."
      ]
    },
    {
      "domain": "BillionaireLand.x",
      "description": "A versatile domain for experimental and cutting-edge projects, BillionaireLand.x is the go-to place for innovation within the BillionaireLand community.",
      "utility": [
        "Innovation Hub: Explore and participate in cutting-edge projects and startups.",
        "R&D Collaboration: Collaborate on research and development initiatives.",
        "Tech Incubator: Support for tech startups with resources and mentorship.",
        "Beta Testing: Access to exclusive beta tests of new technologies and services.",
        "Future Trends: Stay informed about the latest trends and advancements in technology."
      ]
    },
    {
      "domain": "BillionaireLand.bitmap",
      "description": "BillionaireLand.bitmap focuses on digital and blockchain-based mapping technologies. This domain offers services related to spatial data, geographic information systems (GIS), and blockchain-based mapping.",
      "utility": [
        "Digital Mapping: Create and explore digital maps with blockchain technology.",
        "Spatial Data Services: Manage and analyze geographic data.",
        "Blockchain GIS: Secure and decentralized geographic information systems.",
        "Smart Contracts for Mapping: Automate mapping processes with smart contracts.",
        "Geospatial Projects: Access to projects and ventures in geospatial technology."
      ]
    }
  ]
}{
  "domains": [
    {
      "domain": "BillionaireLand.btc",
      "description": "The premier domain for elite Bitcoin enthusiasts...",
      "utilities": [
        "Membership Access: Exclusive access to high-profile events, webinars, and forums.",
        "Luxury Marketplace: Buy and sell high-end goods and services with Bitcoin.",
        "Wealth Management Tools: Advanced tools for managing and growing Bitcoin wealth.",
        "Investment Opportunities: Access to exclusive investment projects and partnerships.",
        "Private Networking: Connect with other Bitcoin billionaires in a secure environment."
      ],
      "website": "https://billionaireland.btc",
      "registration_date": "2024-09-27",
      "expiry_date": "2029-09-27"
    },
    // Add other domain objects here...
  ]
}