// File: contracts/UtilityHub.sol



// SPDX-License-Identifier: MIT

import "@openzeppelin/contracts@4.7.3/access/Ownable.sol";
import "@openzeppelin/contracts@4.7.3/interfaces/IERC20.sol";
import "@openzeppelin/contracts@4.7.3/interfaces/IERC165.sol";
import "@openzeppelin/contracts@4.7.3/interfaces/IERC1155.sol";
import "@openzeppelin/contracts@4.7.3/interfaces/IERC721.sol";

pragma solidity ^0.8.0;

interface IMintable20 is IERC20 {
    function mint(address _user, uint256 _amount) external;
    function burnFrom(address _from, uint256 _amount) external;
}

interface IMintable1155 is IERC1155 {
  function mint(address _to, uint256 _tokenId, uint256 _amount) external;
  function burnFrom(address _from, uint256 _amount) external;
}

interface IUtilityManager is IERC721 {
    function rewardableBalanceOf(address _user) external view returns(uint256);
}

interface ITokenomicEq {
    function getDispensableFrom(uint256 day, uint256 from, uint256 bal) external view returns(uint256 dispense);
}

contract UtilityHub is Ownable {

    struct UtilityToken {
        address _address;
        address manager;
        address tokenomicEq;
        uint8 stake;
        uint8 issuanceType; // mint/transfer
        uint32 tokenType; // erc20/erc1155
        uint256 tokenId; //for erc1155
        uint256 start;
        uint256 end;
    }

    struct UserData {
        uint256 rewards;
        uint256 lastUpdate;
    }

    mapping(uint256 => UtilityToken) public utilityTokens;


    // user => tokenIndex => user data
    mapping(address => mapping(uint256 => UserData)) public userData;

    uint256 public utilityTokenCount;

    /**
     * Owner
     */

    function addNewToken(
        address _manager,//the ERC721 contract
        address _address,//the ERC20/ERC1155 contract
        address _tokenomicEq,//the tokenomic equation
        uint256 _start,
        uint256 _end,
        uint256 _tokenType, // erc20/erc1155
        uint256 _tokenId,
        uint256 _issuanceType, // mint/transfer
        uint256 _stake
    ) external onlyOwner {
        require(_start > 0);
        require(_start < _end);
        require(_manager != address(0));
        require(_address != address(0));
        require(_tokenomicEq != address(0));
        require(_tokenType == 20 || _tokenType == 1155);
        require(_issuanceType <= 1);
        require(_stake <= 2);

        utilityTokens[utilityTokenCount++] = UtilityToken({
            _address: _address,
            manager: _manager,
            tokenomicEq: _tokenomicEq,
            stake: uint8(_stake),
            issuanceType: uint8(_issuanceType),
            tokenType: uint32(_tokenType),
            tokenId: _tokenId,
            start: _start,
            end: _end
        });
    }

    /**
     * User interactions
     */

    function getTotalClaimable(address _user, uint256 _tokenIndex) public view returns(uint256) {

        UserData memory _userData = userData[_user][_tokenIndex];
        UtilityToken memory utilityToken = utilityTokens[_tokenIndex];

        uint256 pending;

        uint256 _from;

        if (_userData.lastUpdate > 0) {
            _from = _userData.lastUpdate - utilityToken.start;
            require(_from >= 86400, "Can only redeem once per day");
            _from = _from / 86400;
        }

        uint256 _n = block.timestamp;

        if (_n > utilityToken.start) {
            uint256 time = _min(_n, utilityToken.end);
            uint256 userLastUpdate = _max(_userData.lastUpdate, utilityToken.start);
            uint256 delta = time - userLastUpdate;
            uint256 bal;

            if (userLastUpdate > 0 && delta > 0) {

                IUtilityManager utilityMgr = IUtilityManager(utilityToken.manager);

                if (utilityToken.stake == uint8(0))
                    bal = utilityMgr.rewardableBalanceOf(_user);
                else if (utilityToken.stake == uint8(1))
                    bal = utilityMgr.balanceOf(_user);
                else if (utilityToken.stake == uint8(2))
                    bal = utilityMgr.balanceOf(_user) - utilityMgr.rewardableBalanceOf(_user);

                ITokenomicEq tokenomicEq = ITokenomicEq(utilityToken.tokenomicEq);
                uint256 _until = _from + (delta / 86400);
                if (_until != _from) {
                    pending = tokenomicEq.getDispensableFrom(_until, _from, bal);
                }
            }
        }
        return _userData.rewards + pending;
    }

    function getReward(address _user, uint256 _tokenIndex) external {
        UtilityToken memory utilityToken = utilityTokens[_tokenIndex];
        require(msg.sender == address(utilityToken.manager), "!managing contract");
        _updateUserToken(_user, _tokenIndex);
        _getReward(_user, _tokenIndex);
    }

    function transferReward(address _from, address _to, uint256 _tokenIndex) external {
        UtilityToken memory utilityToken = utilityTokens[_tokenIndex];
        require(msg.sender == address(utilityToken.manager), "!managing contract");
        if (_from != address(0)) {
            _updateUserToken(_from, _tokenIndex);
        }
        if (_to != address(0)) {
            _updateUserToken(_to, _tokenIndex);
        }
    }

    function burn(address _from, uint256 _amount, uint256 _tokenIndex) external {

        UtilityToken memory utilityToken = utilityTokens[_tokenIndex];
        require(msg.sender == address(utilityToken.manager), "!managing contract");

        uint256 tokenType = uint256(utilityToken.tokenType);

        if (tokenType == 20) {
            IMintable20(utilityToken._address).burnFrom(_from, _amount);
        }
        else if (tokenType == 1155) {
            IMintable1155(utilityToken._address).burnFrom(_from, _amount);
        }
    }

    /**
     * Internal
     */

    function _updateUserToken(address _user, uint256 _tokenIndex) internal {

        UserData storage _userData = userData[_user][_tokenIndex];
        UtilityToken memory utilityToken = utilityTokens[_tokenIndex];

        uint256 _n = block.timestamp;

        if (_n > utilityToken.start) {

            uint256 time = _min(_n, utilityToken.end);

            uint256 _totalClaimable = getTotalClaimable(_user, _tokenIndex);

            _userData.rewards = _totalClaimable;

            if (_userData.lastUpdate < time) {
                _userData.lastUpdate = time;
            }
        }
    }

    function _getReward(address _user, uint256 _tokenIndex) internal {
        UtilityToken memory utilityToken = utilityTokens[_tokenIndex];
        require(utilityToken.start > 0);
        UserData storage _userData = userData[_user][_tokenIndex];
        uint256 amount = _userData.rewards;

        if (amount == 0)
            return;
        uint256 tokenType = uint256(utilityToken.tokenType);
        _userData.rewards = 0;
        if (tokenType == 20) {
            if (utilityToken.issuanceType == 0) // mint
                IMintable20(utilityToken._address).mint(_user, amount);
            else
                IERC20(utilityToken._address).transfer(_user, amount);
        }
        else if (tokenType == 1155) {
            if (utilityToken.issuanceType == 0) // mint
                IMintable1155(utilityToken._address).mint(_user, utilityToken.tokenId, amount);
            else
                IERC1155(utilityToken._address).safeTransferFrom(address(this), _user, utilityToken.tokenId, amount, "");
        }
    }

    /**
     * Helpers
     */

    function _min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    function _max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }
}
// File: @openzeppelin/contracts@4.7.3/interfaces/IERC721.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC721.sol)

pragma solidity ^0.8.0;

import "../token/ERC721/IERC721.sol";

// File: @openzeppelin/contracts@4.7.3/interfaces/IERC1155.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC1155.sol)

pragma solidity ^0.8.0;

import "../token/ERC1155/IERC1155.sol";

// File: @openzeppelin/contracts@4.7.3/interfaces/IERC165.sol



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

pragma solidity ^0.8.0;

import "../utils/introspection/IERC165.sol";

// File: @openzeppelin/contracts@4.7.3/interfaces/IERC20.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC20.sol)

pragma solidity ^0.8.0;

import "../token/ERC20/IERC20.sol";

// File: @openzeppelin/contracts@4.7.3/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@4.7.3/token/ERC721/IERC721.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @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: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * 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@4.7.3/token/ERC20/IERC20.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);
}

// File: @openzeppelin/contracts@4.7.3/utils/introspection/IERC165.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 IERC165 {
    /**
     * @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@4.7.3/token/ERC1155/IERC1155.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155 is IERC165 {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}

// File: @openzeppelin/contracts@4.7.3/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;
    }
}