// File: contracts/ClaimNeuromod.sol



//SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";

interface NeuromodI {
    function mintBatch(address _owner, uint16[] calldata _tokenIds) external;
}

contract ClaimNeuromod is Ownable, ReentrancyGuard {
    bytes32 public merkleRoot;

    NeuromodI public immutable neuromod;

    address public immutable dev;
    address public immutable vault;

    mapping(address => uint256) public claimedPerAccount;

    uint256 public constant MAX_PER_ACCOUNT_WL = 1;
    uint256 public constant MAX_PER_ACCOUNT_OG = 2;
    uint256 public constant MAX_PER_ACCOUNT_PUBLIC = 2;

    /**
     * @notice this is 50 because the first 50 are reserved for the Vault
     */
    uint256 public currentId = 50;

    uint256 public price = 0.08 ether;

    bool public pause;

    bool public publicSale;

    error Unauthorized();
    error InvalidProof();
    error WrongAmount();
    error Paused();
    error TooManyNfts(uint256 _type);

    event PriceChanged(uint256 _newPrice);
    event EnabledPublicSale(bool _enabled);
    event MerkleRootChanged(bytes32 _newMerkleRoot);
    event Claimed(address _user, uint256 _quantity);
    event PauseChanged(bool _paused);
    event MintedToVault(uint16[] ids);

    constructor(
        NeuromodI _neuromod,
        address _vault,
        address _dev
    ) {
        neuromod = _neuromod;
        vault = _vault;
        dev = _dev;
    }

    function mintToVault(uint16[] memory _mintedToVault) external onlyOwner {
        neuromod.mintBatch(vault, _mintedToVault);
        emit MintedToVault(_mintedToVault);
    }

    /**
     * @notice claiming based on whitelisted merkle tree
     * @dev every proof includes type and msg sender
     * @param _quantity how much you can claim, needs to be <= type (e.g. OG max allowed 2 so _amount must be < 2)
     * @param _type 1 = WL, 2 = OG
     * @param _merkleProof proof he is whitelisted
     */
    function claim(
        uint256 _quantity,
        uint256 _type,
        bytes32[] calldata _merkleProof
    ) external payable nonReentrant {
        if (pause) revert Paused();
        bytes32 leaf = keccak256(abi.encodePacked(msg.sender, _type));

        if (!MerkleProof.verify(_merkleProof, merkleRoot, leaf)) revert InvalidProof();

        if (price * _quantity > msg.value) revert WrongAmount();
        if (_type == 1 && claimedPerAccount[msg.sender] + _quantity > MAX_PER_ACCOUNT_WL) revert TooManyNfts(1);
        else if (_type == 2 && claimedPerAccount[msg.sender] + _quantity > MAX_PER_ACCOUNT_OG) revert TooManyNfts(2);

        unchecked {
            claimedPerAccount[msg.sender] += _quantity;
            uint16[] memory ids = new uint16[](_quantity);
            uint256 i = 1;
            for (; i <= _quantity; i++) {
                ids[i - 1] = uint16(++currentId);
            }
            neuromod.mintBatch(msg.sender, ids);
        }

        emit Claimed(msg.sender, _quantity);
    }

    /**
     * @notice claim public lets everyone claim. The ones who claimed in the whitelisting phase, will count for already minted.
     * @notice e.g. if i minted 1 in whitelist phase, i can mint only 1 in public
     * @param _quantity how much i can claim, no more than 2
     */
    function claimPublic(uint256 _quantity) external payable nonReentrant {
        if (pause) revert Paused();
        if (!publicSale) revert Paused();

        if (price * _quantity > msg.value) revert WrongAmount();
        if (claimedPerAccount[msg.sender] + _quantity > MAX_PER_ACCOUNT_PUBLIC) revert TooManyNfts(3);

        unchecked {
            claimedPerAccount[msg.sender] += _quantity;
            uint16[] memory ids = new uint16[](_quantity);
            uint256 i = 1;
            for (; i <= _quantity; i++) {
                ids[i - 1] = uint16(++currentId);
            }
            neuromod.mintBatch(msg.sender, ids);
        }
        emit Claimed(msg.sender, _quantity);
    }

    function setPrice(uint256 _newPrice) external onlyOwner {
        price = _newPrice;
        emit PriceChanged(_newPrice);
    }

    function setPublicSale(bool _enabled) external onlyOwner {
        publicSale = _enabled;
        emit EnabledPublicSale(_enabled);
    }

    function setMerkleRoot(bytes32 _newMerkleRoot) external onlyOwner {
        merkleRoot = _newMerkleRoot;
        emit MerkleRootChanged(_newMerkleRoot);
    }

    function pauseUnpause(bool _newPause) external onlyOwner {
        pause = _newPause;
        emit PauseChanged(_newPause);
    }

    function withdraw() external onlyOwner {
        uint256 balance = address(this).balance * 100;
        uint256 toVault = (balance * 98) / 100;
        uint256 toDev = balance - toVault;

        (bool succeed, ) = vault.call{ value: toVault / 100 }("");
        require(succeed, "Failed to withdraw Ether");

        (succeed, ) = dev.call{ value: toDev / 100 }("");
        require(succeed, "Failed to withdraw Ether");
    }
}

// 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/access/Ownable.sol



// 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);
    }
}

// File: @openzeppelin/contracts/utils/cryptography/MerkleProof.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/MerkleProof.sol)

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Trees proofs.
 *
 * The proofs can be generated using the JavaScript library
 * https://github.com/miguelmota/merkletreejs[merkletreejs].
 * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.
 *
 * See `test/utils/cryptography/MerkleProof.test.js` for some examples.
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(
        bytes32[] memory proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merklee tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leafs & pre-images are assumed to be sorted.
     *
     * _Available since v4.4._
     */
    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            bytes32 proofElement = proof[i];
            if (computedHash <= proofElement) {
                // Hash(current computed hash + current element of the proof)
                computedHash = _efficientHash(computedHash, proofElement);
            } else {
                // Hash(current element of the proof + current computed hash)
                computedHash = _efficientHash(proofElement, computedHash);
            }
        }
        return computedHash;
    }

    function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
        assembly {
            mstore(0x00, a)
            mstore(0x20, b)
            value := keccak256(0x00, 0x40)
        }
    }
}

// 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;
    }
}