// Vulnerability label: RENT
pragma solidity ^0.4.18;

library SafeMath {
    // ------------------------------------------------------------------------
    // Add a number to another number, checking for overflows
    // ------------------------------------------------------------------------
    function add(uint a, uint b) internal pure returns (uint) {
        uint c = a + b;
        assert(c >= a && c >= b);
        return c;
    }

    // ------------------------------------------------------------------------
    // Subtract a number from another number, checking for underflows
    // ------------------------------------------------------------------------
    function sub(uint a, uint b) internal pure returns (uint) {
        assert(b <= a);
        return a - b;
    }
	
}

contract Owned {

    address public owner;

    function Owned() public {
        owner = msg.sender;
    }

    modifier onlyOwner() {
        require(msg.sender == owner);
        _;
    }

    function setOwner(address _newOwner) public onlyOwner {
        owner = _newOwner;
    }
}


interface Token {
  function transfer(address _to, uint256 _value) public constant returns (bool);
  function balanceOf(address _owner) public constant returns (uint256 balance);
}

contract Distribution is Owned {
    using SafeMath for uint256;

  Token token;

  event TransferredToken(address indexed to, uint256 value);
  event FailedTransfer(address indexed to, uint256 value);

  modifier whenDropIsActive() {
    assert(isActive());

    _;
  }

  function Distribution () public {
      address _tokenAddr = 0xB15EF419bA0Dd1f5748c7c60e17Fe88e6e794950; //here pass address of your token
      token = Token(_tokenAddr);
  }

  function isActive() public constant returns (bool) {
    return (
        tokensAvailable() > 0 // Tokens must be available to send
    );
  }
  //below function can be used when you want to send every recipeint with different number of tokens
  function sendTokens(address[] dests, uint256[] values) whenDropIsActive onlyOwner external {
    uint256 i = 0;
    while (i < dests.length) {
        uint256 toSend = values[i] * 10**8;
        sendInternally(dests[i] , toSend, values[i]);
        i++;
    }
  }

  // this function can be used when you want to send same number of tokens to all the recipients
  function sendTokensSingleValue(address[] dests, uint256 value) whenDropIsActive onlyOwner external {
    uint256 i = 0;
    uint256 toSend = value * 10**8;
    while (i < dests.length) {
        sendInternally(dests[i] , toSend, value);
        i++;
    }
  }  

  function sendInternally(address recipient, uint256 tokensToSend, uint256 valueToPresent) internal {
    if(recipient == address(0)) return;

    if(tokensAvailable() >= tokensToSend) {
      token.transfer(recipient, tokensToSend);
      TransferredToken(recipient, valueToPresent);
    } else {
      FailedTransfer(recipient, valueToPresent); 
    }
  }   


  function tokensAvailable() public constant returns (uint256) {
    return token.balanceOf(this);
  }

  function destroy() onlyOwner public {
    uint256 balance = tokensAvailable();
    require (balance > 0);
    token.transfer(owner, balance);
    selfdestruct(owner);
  }
}