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



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling 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/DogensTokenAirdropper.sol



// SPDX-License-Identifier: MIT
/* DOGENS TOKEN AIRDROPPER CONTRACT
Telegram : https://t.me/dogenstoken
Website  : https://www.dogens.io
Twitter  : https://twitter.com/DogensToken
    LAUNCH YOUR TOKEN WITH DOGENS
*/

pragma solidity 0.8.19;

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

interface IERC20 {
    function transfer(address to, uint256 value) external returns (bool);
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}

contract Dogens_Token_Airdropper is Ownable {
    uint256 public FEE = 0.05 ether; 
    address payable public constant TREASURY_ADDRESS = payable(address(0));
    address public constant ADDRESS_ZERO = address(0);


    function distributeEther(address[] memory recipients, uint256[] memory values) external payable {
        require(recipients.length == values.length, "Mismatched recipients and values length");
        uint256 currentFee = (msg.sender == owner()) ? 0 : FEE;
        uint256 totalAmount;
        uint256 balanceBefore = address(this).balance;

        if (currentFee > 0) {
            require(msg.value >= currentFee, "Fee not covered by provided ETH");
            (bool success, ) = TREASURY_ADDRESS.call{ value: currentFee }("");
            require(success, "Failed to transfer fee to treasury");
        }

        for (uint256 i = 0; i < recipients.length; i++) {
            (bool success, ) = payable(recipients[i]).call{value: values[i]}("");
            require(success, "Failed to distribute ETH to recipient");
            totalAmount += values[i];
        }

        require(msg.value >= totalAmount, "Not enough ETH sent to cover distribution");

        uint256 diff = address(this).balance - balanceBefore;
        if (diff > 0) {
            (bool success, ) = payable(msg.sender).call{value: diff}("");
            require(success, "Failed to refund sender");
        }
    }

    function distributeToken(IERC20 token, address[] memory recipients, uint256[] memory values) external payable {
        require(recipients.length == values.length, "Mismatched recipients and values length");

        uint256 total = 0;
        uint256 currentFee = (msg.sender == owner()) ? 0 : FEE;

        if (currentFee > 0) {
            require(msg.value >= currentFee, "Fee not covered by provided ETH");
            (bool success, ) = TREASURY_ADDRESS.call{ value: currentFee }("");
            require(success, "Failed to transfer fee to treasury");
        }

        for (uint256 i = 0; i < recipients.length; i++) {
            total += values[i];
        }

        require(token.transferFrom(msg.sender, address(this), total), "Token transfer failed");

        for (uint256 i = 0; i < recipients.length; i++) {
            require(token.transfer(recipients[i], values[i]), "Failed to distribute token to recipient");
        }
    }

    function distributeTokenSimple(IERC20 token, address[] memory recipients, uint256[] memory values) external payable {
        require(recipients.length == values.length, "Mismatched recipients and values length");
        uint256 currentFee = (msg.sender == owner()) ? 0 : FEE;

        if (currentFee > 0) {
            require(msg.value >= currentFee, "Fee not covered by provided ETH");
            (bool success, ) = TREASURY_ADDRESS.call{ value: currentFee }("");
            require(success, "Failed to transfer fee to treasury");
        }

        for (uint256 i = 0; i < recipients.length; i++) {
            require(token.transferFrom(msg.sender, recipients[i], values[i]), "Failed to distribute token to recipient");
        }
    }

    function RecycleETHorToken(address _token, uint256 _amount) external onlyOwner {
        if (_token != address(0)) {
            IERC20(_token).transfer(msg.sender, _amount);
        } else {
            (bool success, ) = payable(msg.sender).call{ value: _amount }("");
            require(success, "Failed to recover ETH");
        }
    }

    function ChangeFee(uint256 _fee) external onlyOwner {
        require(_fee > 0, "Invalid fee: must be non-zero");
        FEE = _fee;
    }
}