// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/access/Ownable.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC20/IERC20.sol";

contract NinjaTickets is Ownable {
    IERC20 public StealthToken;

    mapping (uint256 => ticket) public IdToTicket;
    mapping (uint256 => address[]) public IdToUsers;

    struct ticket {
      string name;
      uint256 cost;
      uint256 id;
      uint256 totalSupply;
      uint256 maxSupply;
    }

    constructor(address _tokenContract) {
        StealthToken = IERC20(_tokenContract);
    }

    function addTicket(ticket memory _ticket) public onlyOwner {
        require(IdToTicket[_ticket.id].maxSupply == 0, "Ticket already exists");
        IdToTicket[_ticket.id] = _ticket;
    }

    function buyTicket(uint256 ticketId) public {
        require(IdToTicket[ticketId].totalSupply < IdToTicket[ticketId].maxSupply, "Max supply reached");

        uint256 allowance = StealthToken.allowance(msg.sender, address(this));
        require(allowance >= IdToTicket[ticketId].cost, "Check the token allowance");
        require(StealthToken.transferFrom(msg.sender, address(this), IdToTicket[ticketId].cost), "Failed to send");

        IdToTicket[ticketId].totalSupply += 1;
        IdToUsers[ticketId].push(msg.sender);
    }

    function getUsers(uint256 ticketId) public view returns(address[] memory) {
        return IdToUsers[ticketId];
    }

    function removeUsers(uint256 ticketId) public onlyOwner {
        delete IdToUsers[ticketId];
    }

    function tokenWithdraw() public onlyOwner {
        uint256 balance = StealthToken.balanceOf(address(this));
        StealthToken.transfer(msg.sender, balance);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

{
  "compilationTarget": {
    "contracts/Ninja.sol": "NinjaTickets"
  },
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}