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



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../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.
 *
 * The initial owner is set to the address provided by the deployer. 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;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

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

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling 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 {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _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 (last updated v5.0.0) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @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;
    }
}

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



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/ReentrancyGuard.sol)

pragma solidity ^0.8.20;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant NOT_ENTERED = 1;
    uint256 private constant ENTERED = 2;

    uint256 private _status;

    /**
     * @dev Unauthorized reentrant call.
     */
    error ReentrancyGuardReentrantCall();

    constructor() {
        _status = NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be NOT_ENTERED
        if (_status == ENTERED) {
            revert ReentrancyGuardReentrantCall();
        }

        // Any calls to nonReentrant after this point will fail
        _status = ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = NOT_ENTERED;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == ENTERED;
    }
}

// File: contracts/HoodyTraitsMarketplace.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";

interface IHoodyTraits {
    function listTraitsToMarketplace(uint16, uint16) external;

    function downTraitsFromMarketplace(uint16, uint16) external;

    function buyTraitFromMarketplace(uint16, uint16) external;
}

contract HoodyTraitsMarketplace is Ownable, ReentrancyGuard {
    address public hoodyTraits;

    struct TraitForSale {
        uint256 price;
        uint16 amount;
    }

    mapping(address => mapping(uint16 => TraitForSale))
        public traitsSaleInfoBySeller;

    uint8 public tradingFee = 5;

    event ListTrait(
        address indexed seller,
        uint16 indexed traitId,
        uint16 amount,
        uint256 price
    );
    event UpdateTraitPrice(
        address indexed seller,
        uint16 indexed traitId,
        uint256 price
    );
    event DownTrait(
        address indexed seller,
        uint16 indexed traitId,
        uint16 amount
    );
    event BuyTrait(
        address indexed seller,
        address indexed buyer,
        uint16 indexed traitId,
        uint16 amount
    );
    event AddTrait(
        address indexed seller,
        uint16 indexed traitId,
        uint16 amount
    );

    constructor() Ownable(msg.sender) {}

    function listNewTrait(
        uint16 _traitId,
        uint256 _price,
        uint16 _amount
    ) external {
        require(
            traitsSaleInfoBySeller[msg.sender][_traitId].amount == 0,
            "You already listed that trait."
        );
        IHoodyTraits(hoodyTraits).listTraitsToMarketplace(
            _traitId,
            _amount
        );

        traitsSaleInfoBySeller[msg.sender][_traitId] = TraitForSale(
            _price,
            _amount
        );

        emit ListTrait(msg.sender, _traitId, _amount, _price);
    }

    function addMoreTraits(uint16 _traitId, uint16 _amount) external {
        require(
            traitsSaleInfoBySeller[msg.sender][_traitId].amount > 0,
            "You didn't list that trait yet."
        );
        IHoodyTraits(hoodyTraits).listTraitsToMarketplace(
            _traitId,
            _amount
        );

        traitsSaleInfoBySeller[msg.sender][_traitId].amount += _amount;

        emit AddTrait(msg.sender, _traitId, _amount);
    }

    function buyTrait(
        address _seller,
        uint16 _traitId,
        uint16 _amount
    ) internal {
        require(_amount > 0, "Invalid amount.");
        require(
            traitsSaleInfoBySeller[_seller][_traitId].amount >= _amount,
            "Not enough amount."
        );

        traitsSaleInfoBySeller[_seller][_traitId].amount -= _amount;

        IHoodyTraits(hoodyTraits).buyTraitFromMarketplace(
            _traitId,
            _amount
        );

        emit BuyTrait(_seller, msg.sender, _traitId, _amount);
    }

    function buyTraits(
        address[] memory _sellers,
        uint16[] memory _traitIds,
        uint16[] memory _amounts
    ) external payable nonReentrant {
        require(_sellers.length == _traitIds.length, "Invalid param length!");
        require(_sellers.length == _amounts.length, "Invalid param length!");

        uint256 totalAmount = 0;
        for (uint i; i < _sellers.length; i++) {
            uint256 cost = traitsSaleInfoBySeller[_sellers[i]][_traitIds[i]]
                .price * _amounts[i];
            totalAmount += cost;
            buyTrait(_sellers[i], _traitIds[i], _amounts[i]);
            payable(_sellers[i]).transfer(cost * (100 - tradingFee) / 100);
        }

        require(totalAmount <= msg.value, "Not enough eth balance!");
        if (msg.value > totalAmount) {
            payable(msg.sender).transfer(msg.value - totalAmount);
        }
    }

    function downTrait(uint16 _traitId, uint16 _amount) external {
        require(
            traitsSaleInfoBySeller[msg.sender][_traitId].amount >= _amount,
            "Not enough amount."
        );
        IHoodyTraits(hoodyTraits).downTraitsFromMarketplace(
            _traitId,
            _amount
        );
        traitsSaleInfoBySeller[msg.sender][_traitId].amount -= _amount;

        emit DownTrait(msg.sender, _traitId, _amount);
    }

    function updateTraitPrice(uint16 _traitId, uint256 _price) external {
        require(
            traitsSaleInfoBySeller[msg.sender][_traitId].amount >= 0,
            "You didn't list that trait yet."
        );
        traitsSaleInfoBySeller[msg.sender][_traitId].price = _price;
        emit UpdateTraitPrice(msg.sender, _traitId, _price);
    }

    function withdrawFee(address payable _receiver) external onlyOwner {
        _receiver.transfer(address(this).balance);
    }

    function setTradingFee(uint8 _fee) external onlyOwner {
        tradingFee = _fee;
    }

    function setHoodyTraits(address _hoodyTraits) external onlyOwner {
        hoodyTraits = _hoodyTraits;
    }
}