// File: @openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)

pragma solidity ^0.8.0;

import "../utils/introspection/IERC165Upgradeable.sol";

/**
 * @dev Interface for the NFT Royalty Standard.
 *
 * A standardized way to retrieve royalty payment information for non-fungible tokens (NFTs) to enable universal
 * support for royalty payments across all NFT marketplaces and ecosystem participants.
 *
 * _Available since v4.5._
 */
interface IERC2981Upgradeable is IERC165Upgradeable {
    /**
     * @dev Returns how much royalty is owed and to whom, based on a sale price that may be denominated in any unit of
     * exchange. The royalty amount is denominated and should be paid in that same unit of exchange.
     */
    function royaltyInfo(uint256 tokenId, uint256 salePrice)
        external
        view
        returns (address receiver, uint256 royaltyAmount);
}

// File: @openzeppelin/contracts-upgradeable/interfaces/IERC721EnumerableUpgradeable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../token/ERC721/extensions/IERC721EnumerableUpgradeable.sol";

// File: @openzeppelin/contracts-upgradeable/interfaces/IERC721MetadataUpgradeable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../token/ERC721/extensions/IERC721MetadataUpgradeable.sol";

// File: @openzeppelin/contracts-upgradeable/token/ERC721/extensions/IERC721EnumerableUpgradeable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol)

pragma solidity ^0.8.0;

import "../IERC721Upgradeable.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721EnumerableUpgradeable is IERC721Upgradeable {
    /**
     * @dev Returns the total amount of tokens stored by the contract.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.
     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.
     */
    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);

    /**
     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.
     * Use along with {totalSupply} to enumerate all tokens.
     */
    function tokenByIndex(uint256 index) external view returns (uint256);
}

// File: @openzeppelin/contracts-upgradeable/token/ERC721/extensions/IERC721MetadataUpgradeable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC721Upgradeable.sol";

/**
 * @title ERC-721 Non-Fungible Token Standard, optional metadata extension
 * @dev See https://eips.ethereum.org/EIPS/eip-721
 */
interface IERC721MetadataUpgradeable is IERC721Upgradeable {
    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);
}

// File: @openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0-rc.1) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165Upgradeable.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721Upgradeable is IERC165Upgradeable {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);
}

// File: @openzeppelin/contracts-upgradeable/utils/introspection/IERC165Upgradeable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165Upgradeable {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// 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);
    }
}

// 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: contracts/access/GenArtAccess.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
import "@openzeppelin/contracts/access/Ownable.sol";

/**
 * @dev This implements access control for owner and admins
 */
abstract contract GenArtAccess is Ownable {
    mapping(address => bool) public admins;
    address public genartAdmin;

    constructor() Ownable() {
        genartAdmin = _msgSender();
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyAdmin() {
        address sender = _msgSender();
        require(
            owner() == sender || admins[sender],
            "GenArtAccess: caller is not the owner nor admin"
        );
        _;
    }

    /**
     * @dev Throws if called by any account other than the GEN.ART admin.
     */
    modifier onlyGenArtAdmin() {
        address sender = _msgSender();
        require(
            genartAdmin == sender,
            "GenArtAccess: caller is not genart admin"
        );
        _;
    }

    function setGenArtAdmin(address admin) public onlyGenArtAdmin {
        genartAdmin = admin;
    }

    function setAdminAccess(address admin, bool access) public onlyGenArtAdmin {
        admins[admin] = access;
    }
}

// File: contracts/interface/IGenArtERC721.sol



// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.0;
import "@openzeppelin/contracts-upgradeable/interfaces/IERC2981Upgradeable.sol";
import "@openzeppelin/contracts-upgradeable/interfaces/IERC721EnumerableUpgradeable.sol";
import "@openzeppelin/contracts-upgradeable/interfaces/IERC721MetadataUpgradeable.sol";

interface IGenArtERC721 is
    IERC721MetadataUpgradeable,
    IERC2981Upgradeable,
    IERC721EnumerableUpgradeable
{
    function initialize(
        string memory name,
        string memory symbol,
        string memory uri,
        uint256 id,
        uint256 maxSupply,
        address admin,
        address artist,
        address minter,
        address paymentSplitter
    ) external;

    function getTokensByOwner(address _owner)
        external
        view
        returns (uint256[] memory);

    function getInfo()
        external
        view
        returns (
            string memory,
            string memory,
            address,
            address,
            uint256,
            uint256,
            uint256
        );

    function mint(address to, uint256 membershipId) external;
}

// File: contracts/interface/IGenArtInterfaceV4.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IGenArtInterfaceV4 {
    function isGoldToken(uint256 _membershipId) external view returns (bool);

    function getMembershipsOf(address account)
        external
        view
        returns (uint256[] memory);

    function ownerOfMembership(uint256 _membershipId)
        external
        view
        returns (address, bool);

    function isVaulted(uint256 _membershipId) external view returns (bool);
}

// File: contracts/interface/IGenArtMintAllocator.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface IGenArtMintAllocator {
    function init(address collection, uint8[3] memory mintAlloc) external;

    function update(
        address collection,
        uint256 membershipId,
        uint256 amount
    ) external;

    function getAvailableMintsForAccount(address collection, address account)
        external
        view
        returns (uint256);

    function getAvailableMintsForMembership(
        address collection,
        uint256 membershipId
    ) external view returns (uint256);

    function setReservedGold(address collection, uint8 reservedGold) external;

    function getMembershipMints(address collection, uint256 membershipId)
        external
        view
        returns (uint256);
}

// File: contracts/minter/GenArtMintAllocator.sol



// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
import "./MintAlloc.sol";
import "../access/GenArtAccess.sol";
import "../interface/IGenArtInterfaceV4.sol";
import "../interface/IGenArtERC721.sol";
import "../interface/IGenArtMintAllocator.sol";

/**
 * @dev GEN.ART Mint Allocator
 */

contract GenArtMintAllocator is GenArtAccess, IGenArtMintAllocator {
    using MintAlloc for MintAlloc.State;

    mapping(address => MintAlloc.State) public mintstates;
    address public genartInterface;

    constructor(address genartInterface_) GenArtAccess() {
        genartInterface = genartInterface_;
    }

    /**
     *@dev Initialize mint state for collection
     */
    function init(address collection, uint8[3] memory mintAlloc)
        external
        override
        onlyAdmin
    {
        mintstates[collection].init(mintAlloc);
    }

    /**
     *@dev Update mint state
     */
    function update(
        address collection,
        uint256 membershipId,
        uint256 amount
    ) external override onlyAdmin {
        mintstates[collection].update(
            MintUpdateParams(
                membershipId,
                IGenArtInterfaceV4(genartInterface).isGoldToken(membershipId),
                amount
            )
        );
    }

    function setReservedGold(address collection, uint8 reservedGold)
        external
        override
        onlyAdmin
    {
        mintstates[collection].setReservedGold(reservedGold);
    }

    /**
     *@dev Get available mints for a membershipId
     */
    function getAvailableMintsForMembership(
        address collection,
        uint256 membershipId
    ) external view override returns (uint256) {
        return _getAvailableMintsForMembership(collection, membershipId);
    }

    /**
     *@dev Internal helper method to get available mints for a membershipId
     */
    function _getAvailableMintsForMembership(
        address collection,
        uint256 membershipId
    ) internal view returns (uint256) {
        (, , , , , uint256 maxSupply, uint256 totalSupply) = IGenArtERC721(
            collection
        ).getInfo();
        return
            mintstates[collection].getAvailableMints(
                MintParams(
                    membershipId,
                    IGenArtInterfaceV4(genartInterface).isGoldToken(
                        membershipId
                    ),
                    maxSupply,
                    totalSupply
                )
            );
    }

    /**
     *@dev Get amount of mints for a membershipId
     */
    function getMembershipMints(address collection, uint256 membershipId)
        external
        view
        override
        returns (uint256)
    {
        return mintstates[collection].getMints(membershipId);
    }

    function getAvailableMintsForAccount(address collection, address account)
        external
        view
        override
        returns (uint256)
    {
        uint256[] memory memberships = IGenArtInterfaceV4(genartInterface)
            .getMembershipsOf(account);
        uint256 available;
        for (uint256 i; i < memberships.length; i++) {
            available += _getAvailableMintsForMembership(
                collection,
                memberships[i]
            );
        }

        return available;
    }

    function getMintAlloc(address collection)
        external
        view
        returns (
            uint8,
            uint8,
            uint8,
            uint256
        )
    {
        return (
            mintstates[collection].reservedGoldSupply,
            mintstates[collection].allowedMintGold,
            mintstates[collection].allowedMintStandard,
            mintstates[collection]._goldMints
        );
    }
}

// File: contracts/minter/MintAlloc.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
struct MintParams {
    uint256 membershipId;
    bool isGold;
    uint256 maxSupply;
    uint256 totalSupply;
}
struct MintUpdateParams {
    uint256 membershipId;
    bool isGold;
    uint256 amount;
}

library MintAlloc {
    struct State {
        uint8 reservedGoldSupply;
        uint8 allowedMintGold;
        uint8 allowedMintStandard;
        // maps membershipIds to the amount of mints
        mapping(uint256 => uint256) _mints;
        uint256 _goldMints;
    }

    function getMints(State storage state, uint256 membershipId)
        internal
        view
        returns (uint256)
    {
        return state._mints[membershipId];
    }

    function getAllowedMints(State storage state, bool isGold)
        internal
        view
        returns (uint256)
    {
        return (isGold ? state.allowedMintGold : state.allowedMintStandard);
    }

    function getAvailableMints(State storage state, MintParams memory params)
        internal
        view
        returns (uint256)
    {
        uint256 reserved = state.reservedGoldSupply <= state._goldMints
            ? 0
            : !params.isGold
            ? (state.reservedGoldSupply - state._goldMints)
            : 0;
        uint256 availableMints = reserved >
            params.maxSupply - params.totalSupply
            ? 0
            : params.maxSupply - params.totalSupply - reserved;

        return
            availableMints > 0
                ? getAllowedMints(state, params.isGold) -
                    getMints(state, params.membershipId)
                : 0;
    }

    function init(State storage state, uint8[3] memory allocParams) internal {
        state.allowedMintStandard = allocParams[0];
        state.allowedMintGold = allocParams[1];
        state.reservedGoldSupply = allocParams[2];
    }

    function setReservedGold(State storage state, uint8 reservedGold)
        internal
    {
        state.reservedGoldSupply = reservedGold;
    }

    function update(State storage state, MintUpdateParams memory params) internal {
        unchecked {
            state._mints[params.membershipId] += params.amount;
        }
        if (params.isGold) {
            unchecked {
                state._goldMints += params.amount;
            }
        }
    }
}