// 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/distributor/EarnDistributorManager.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;

import "@openzeppelin/contracts/access/Ownable.sol";
import "../staking/IMYCStakingManager.sol";

contract EarnDistributorManager is Ownable {
    event ChangeDistributorStatus(address indexed factory, bool status);

    event Distribution(
        address indexed distributor,
        bytes32 indexed signature,
        address contractAddress,
        uint256 tokenId
    );

    IMYCStakingManager internal _mycStakingManager;
    mapping(address => bool) internal _distributorStatus;
    mapping(bytes32 => bool) public isSignatureUsed;
    address internal _signer;

    constructor(IMYCStakingManager mycStakingManager_) {
        _mycStakingManager = mycStakingManager_;
    }

    function mycStakingManager() external view returns (address) {
        return address(_mycStakingManager);
    }

    function signer() external view returns (address) {
        return _mycStakingManager.signer();
    }

    function treasury() external view returns (address) {
        return _mycStakingManager.treasury();
    }

    function useSignature(bytes32 signature) external {
        require(_distributorStatus[msg.sender] || msg.sender == _mycStakingManager.signer(), "EarnDistributorManager: Only distributors");
        isSignatureUsed[signature] = true;
    }

    function setDistributorStatus(
        address distributor,
        bool status
    ) external onlyOwner {
        _distributorStatus[distributor] = status;
        emit ChangeDistributorStatus(distributor, status);
    }

    function distribute(
        bytes32 signature,
        address tokenAddress,
        uint256 tokenId
    ) external {
        require(_distributorStatus[msg.sender], "EarnDistributorManager: Only distributors");
        require(!isSignatureUsed[signature], "EarnDistributorManager: Signature already used");
        emit Distribution(msg.sender, signature, tokenAddress, tokenId);
    }
}

// File: contracts/staking/IMYCStakingManager.sol



// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;

interface IMYCStakingManager {
    function addStakingPool(address poolAddress, bytes32 signature) external;

    function treasury() external view returns (address);

    function signer() external view returns (address);

    function owner() external view returns (address);
}