// File: contracts/NounsAttribute.sol



// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.8.6;

import { INounsAttribute } from './interfaces/INounsAttribute.sol';
import { Ownable } from '@openzeppelin/contracts/access/Ownable.sol';

contract NounsAttribute is INounsAttribute, Ownable {
    // Noun Backgrounds
    string[] public override backgrounds;

    // Noun Bodies
    string[] public override bodies;

    // Noun Accessories
    string[] public override accessories;

    // Noun Heads
    string[] public override heads;

    // Noun Glasses
    string[] public override glasses;

    function addManyBackgrounds(string[] calldata _backgrounds) external override onlyOwner {
        for (uint256 i = 0; i < _backgrounds.length; i++) {
            _addBackground(_backgrounds[i]);
        }
    }

    function addManyBodies(string[] calldata _bodies) external override onlyOwner {
        for (uint256 i = 0; i < _bodies.length; i++) {
            _addBody(_bodies[i]);
        }
    }

    function addManyAccessories(string[] calldata _accessories) external override onlyOwner {
        for (uint256 i = 0; i < _accessories.length; i++) {
            _addAccessory(_accessories[i]);
        }
    }

    function addManyHeads(string[] calldata _heads) external override onlyOwner {
        for (uint256 i = 0; i < _heads.length; i++) {
            _addHead(_heads[i]);
        }
    }

    function addManyGlasses(string[] calldata _glasses) external override onlyOwner {
        for (uint256 i = 0; i < _glasses.length; i++) {
            _addGlasses(_glasses[i]);
        }
    }

    function _addBackground(string calldata _background) internal {
        backgrounds.push(_background);
    }

    function _addBody(string calldata _body) internal {
        bodies.push(_body);
    }

    function _addAccessory(string calldata _accessory) internal {
        accessories.push(_accessory);
    }

    function _addHead(string calldata _head) internal {
        heads.push(_head);
    }

    function _addGlasses(string calldata _glasses) internal {
        glasses.push(_glasses);
    }
}

// File: contracts/interfaces/INounsAttribute.sol



// SPDX-License-Identifier: GPL-3.0

pragma solidity ^0.8.6;

interface INounsAttribute {
    function backgrounds(uint256 index) external view returns (string memory);

    function bodies(uint256 index) external view returns (string memory);

    function accessories(uint256 index) external view returns (string memory);

    function heads(uint256 index) external view returns (string memory);

    function glasses(uint256 index) external view returns (string memory);

    function addManyBackgrounds(string[] calldata _backgrounds) external;

    function addManyBodies(string[] calldata _bodies) external;

    function addManyAccessories(string[] calldata _accessories) external;

    function addManyHeads(string[] calldata _heads) external;

    function addManyGlasses(string[] calldata _glasses) external;
}

// File: @openzeppelin/contracts/access/Ownable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (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);
    }
}

// File: @openzeppelin/contracts/utils/Context.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.0 (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;
    }
}