// File: /contracts/NONLaunchpad.sol



// SPDX-License-Identifier: MIT

//   _   _  ____  _   _   _                            _                     _
//  | \ | |/ __ \| \ | | | |                          | |                   | |
//  |  \| | |  | |  \| | | |     __ _ _   _ _ __   ___| |__  _ __   __ _  __| |
//  | . ` | |  | | . ` | | |    / _` | | | | '_ \ / __| '_ \| '_ \ / _` |/ _` |
//  | |\  | |__| | |\  | | |___| (_| | |_| | | | | (__| | | | |_) | (_| | (_| |
//  |_| \_|\____/|_| \_| |______\__,_|\__,_|_| |_|\___|_| |_| .__/ \__,_|\__,_|
//                                                          | |
//                                                          |_|

pragma solidity ^0.8.16;

import "./enum/LaunchpadEnums.sol";
import "./interface/ILaunchpadProxy.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/Pausable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

// NON Launchpad
contract NONLaunchpad is Ownable, ReentrancyGuard, Pausable {
    event LaunchpadBuyEvt(
        bytes4 indexed proxyId,
        bytes4 launchpadId,
        uint256 roundsIdx,
        uint256 quantity,
        uint256 payValue
    );
    event ProxyRegistered(
        bytes4 indexed launchpadProxyId,
        address indexed proxyAddress
    );
    event LaunchpadSetBaseURIEvt(
        bytes4 proxyId,
        bytes4 launchpadId,
        string baseURI
    );
    mapping(bytes4 => address) public launchpadRegistry;

    function pause() public onlyOwner {
        _pause();
    }

    function unpause() public onlyOwner {
        _unpause();
    }

    /**
     * Register LaunchpadProxy
     */
    function registerLaunchpadProxy(address proxy) external onlyOwner {
        bytes4 registryProxyId = ILaunchpadProxy(proxy).getProxyId();
        require(
            launchpadRegistry[registryProxyId] == address(0),
            LaunchpadEnums.PROXY_ID_ALREADY_EXIST
        );
        launchpadRegistry[registryProxyId] = proxy;
        emit ProxyRegistered(registryProxyId, proxy);
    }

    /**
     * GetRegistry
     */
    function getRegistry(bytes4 proxyId) external view returns (address) {
        return launchpadRegistry[proxyId];
    }

    /**
     * LaunchpadBuy - main method
     */
    function launchpadBuy(
        bytes4 proxyId,
        bytes4 launchpadId,
        uint256 roundsIdx,
        uint256 quantity,
        bytes memory signature
    ) external payable nonReentrant whenNotPaused {
        address proxy = launchpadRegistry[proxyId];
        require(proxy != address(0), LaunchpadEnums.PROXY_ID_NOT_EXIST);
        uint256 paymentValue = ILaunchpadProxy(proxy).launchpadBuy{
            value: msg.value
        }(_msgSender(), launchpadId, roundsIdx, quantity, signature);
        emit LaunchpadBuyEvt(
            proxyId,
            launchpadId,
            roundsIdx,
            quantity,
            paymentValue
        );
    }

    /**
     * LaunchpadSetBaseURI
     */
    function launchpadSetBaseURI(
        bytes4 proxyId,
        bytes4 launchpadId,
        string memory baseURI
    ) external nonReentrant whenNotPaused {
        address proxy = launchpadRegistry[proxyId];
        require(proxy != address(0), LaunchpadEnums.PROXY_ID_NOT_EXIST);
        ILaunchpadProxy(proxy).launchpadSetBaseURI(
            _msgSender(),
            launchpadId,
            baseURI
        );
        emit LaunchpadSetBaseURIEvt(proxyId, launchpadId, baseURI);
    }

    /**
     * IsInWhiteList
     */
    function isInWhiteList(
        bytes4 proxyId,
        bytes4 launchpadId,
        uint256 roundsIdx,
        bytes memory signature,
        address msgSender
    ) external view returns (uint32) {
        address proxy = launchpadRegistry[proxyId];
        require(proxy != address(0), LaunchpadEnums.PROXY_ID_NOT_EXIST);
        return
            ILaunchpadProxy(proxy).isInWhiteList(
                launchpadId,
                roundsIdx,
                signature,
                msgSender
            );
    }
}

// File: /contracts/interface/ILaunchpadProxy.sol



// SPDX-License-Identifier: MIT

//   _   _  ____  _   _   _____ _                            _                     _ _____
//  | \ | |/ __ \| \ | | |_   _| |                          | |                   | |  __ \
//  |  \| | |  | |  \| |   | | | |     __ _ _   _ _ __   ___| |__  _ __   __ _  __| | |__) | __ _____  ___   _
//  | . ` | |  | | . ` |   | | | |    / _` | | | | '_ \ / __| '_ \| '_ \ / _` |/ _` |  ___/ '__/ _ \ \/ / | | |
//  | |\  | |__| | |\  |  _| |_| |___| (_| | |_| | | | | (__| | | | |_) | (_| | (_| | |   | | | (_) >  <| |_| |
//  |_| \_|\____/|_| \_| |_____|______\__,_|\__,_|_| |_|\___|_| |_| .__/ \__,_|\__,_|_|   |_|  \___/_/\_\\__, |
//                                                                | |                                     __/ |
//                                                                |_|                                    |___/                                                          |_|

pragma solidity ^0.8.16;

interface ILaunchpadProxy {
    function getProxyId() external pure returns (bytes4);

    function launchpadBuy(
        address sender,
        bytes4 launchpadId,
        uint256 roundsIdx,
        uint256 quantity,
        bytes memory signature
    ) external payable returns (uint256);

    function launchpadSetBaseURI(
        address sender,
        bytes4 launchpadId,
        string memory baseURI
    ) external;

    function isInWhiteList(
        bytes4 launchpadId,
        uint256 roundsIdx,
        bytes memory signature,
        address msgSender
    ) external view returns (uint32);
}

// File: /contracts/enum/LaunchpadEnums.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.16;

library LaunchpadEnums {
    // 'ok'
    string public constant OK = "0";
    // 'proxy not exist'
    string public constant PROXY_ID_NOT_EXIST = "1";
    // 'proxy id already exists'
    string public constant PROXY_ID_ALREADY_EXIST = "2";
}

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



// 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;
    }
}

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



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @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;

    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() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

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

        _;

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

// File: @openzeppelin/contracts/security/Pausable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol)

pragma solidity ^0.8.0;

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

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        _requireNotPaused();
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        _requirePaused();
        _;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Throws if the contract is paused.
     */
    function _requireNotPaused() internal view virtual {
        require(!paused(), "Pausable: paused");
    }

    /**
     * @dev Throws if the contract is not paused.
     */
    function _requirePaused() internal view virtual {
        require(paused(), "Pausable: not paused");
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

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



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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 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 {
        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);
    }
}