// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

contract DevBoneDistributor is Ownable {
    using SafeMath for uint256;

    IERC20 public bone;
    address public devWallet;
    address public marketingWallet;
    address public adminWallet;

    uint256 public devSharePercent;
    uint256 public marketingSharePercent;
    uint256 public adminSharePercent;

    constructor (
        IERC20 _bone,
        address _devWallet,
        address _marketingWallet,
        address _adminWallet
    ) public {
        bone = _bone;
        devWallet = _devWallet;
        marketingWallet = _marketingWallet;
        adminWallet = _adminWallet;

        devSharePercent = 64;
        marketingSharePercent = 16;
        adminSharePercent = 20;
    }

    function boneBalance() external view returns(uint) {
        return bone.balanceOf(address(this));
    }

    function setDevWallet(address _devWallet)  external onlyOwner {
        devWallet = _devWallet;
    }

    function setMarketingWallet(address _marketingWallet)  external onlyOwner {
        marketingWallet = _marketingWallet;
    }

    function setAdminWallet(address _adminWallet)  external onlyOwner {
        adminWallet = _adminWallet;
    }

    function setWalletDistribution(uint _devSharePercent, uint _marketingSharePercent, uint _adminSharePercent)  external onlyOwner {
        require(_devSharePercent.add(_marketingSharePercent).add(_adminSharePercent) == 100, "distributor: Incorrect percentages");
        devSharePercent = _devSharePercent;
        marketingSharePercent = _marketingSharePercent;
        adminSharePercent = _adminSharePercent;
    }

    function distribute() external onlyOwner {
        uint total = bone.balanceOf(address(this));
        require(total > 0, "No BONE to distribute");

        uint devWalletShare = total.mul(devSharePercent).div(100);
        uint marketingWalletShare = total.mul(marketingSharePercent).div(100);
        uint adminWalletShare = total.sub(devWalletShare).sub(marketingWalletShare);

        require(bone.transfer(devWallet, devWalletShare), "transfer: devWallet failed");
        require(bone.transfer(marketingWallet, marketingWalletShare), "transfer: marketingWallet failed");
        require(bone.transfer(adminWallet, adminWalletShare), "transfer: adminWallet failed");
    }
}