// Vulnerability label: ARTHM
pragma solidity ^0.4.17;

contract AccessControl {
    address public creatorAddress;
    uint16 public totalSeraphims = 0;
    mapping (address => bool) public seraphims;

    bool public isMaintenanceMode = true;
 
    modifier onlyCREATOR() {
        require(msg.sender == creatorAddress);
        _;
    }

    modifier onlySERAPHIM() {
        require(seraphims[msg.sender] == true);
        _;
    }
    
    modifier isContractActive {
        require(!isMaintenanceMode);
        _;
    }
    
    // Constructor
    function AccessControl() public {
        creatorAddress = msg.sender;
    }
    

    function addSERAPHIM(address _newSeraphim) onlyCREATOR public {
        if (seraphims[_newSeraphim] == false) {
            seraphims[_newSeraphim] = true;
            totalSeraphims += 1;
        }
    }
    
    function removeSERAPHIM(address _oldSeraphim) onlyCREATOR public {
        if (seraphims[_oldSeraphim] == true) {
            seraphims[_oldSeraphim] = false;
            totalSeraphims -= 1;
        }
    }

    function updateMaintenanceMode(bool _isMaintaining) onlyCREATOR public {
        isMaintenanceMode = _isMaintaining;
    }

  
} 

contract SafeMath {
    function safeAdd(uint x, uint y) pure internal returns(uint) {
      uint z = x + y;
      assert((z >= x) && (z >= y));
      return z;
    }

    function safeSubtract(uint x, uint y) pure internal returns(uint) {
      assert(x >= y);
      uint z = x - y;
      return z;
    }

    function safeMult(uint x, uint y) pure internal returns(uint) {
      uint z = x * y;
      assert((x == 0)||(z/x == y));
      return z;
    }
    
     

    function getRandomNumber(uint16 maxRandom, uint8 min, address privateAddress) constant public returns(uint8) {
        uint256 genNum = uint256(block.blockhash(block.number-1)) + uint256(privateAddress);
        return uint8(genNum % (maxRandom - min + 1)+min);
    }
}

contract Enums {
    enum ResultCode {
        SUCCESS,
        ERROR_CLASS_NOT_FOUND,
        ERROR_LOW_BALANCE,
        ERROR_SEND_FAIL,
        ERROR_NOT_OWNER,
        ERROR_NOT_ENOUGH_MONEY,
        ERROR_INVALID_AMOUNT
    }

    enum AngelAura { 
        Blue, 
        Yellow, 
        Purple, 
        Orange, 
        Red, 
        Green 
    }
}


contract IAngelCardData is AccessControl, Enums {
    uint8 public totalAngelCardSeries;
    uint64 public totalAngels;

    
    // write
    // angels
    function createAngelCardSeries(uint8 _angelCardSeriesId, uint _basePrice,  uint64 _maxTotal, uint8 _baseAura, uint16 _baseBattlePower, uint64 _liveTime) onlyCREATOR external returns(uint8);
    function updateAngelCardSeries(uint8 _angelCardSeriesId, uint64 _newPrice, uint64 _newMaxTotal) onlyCREATOR external;
    function setAngel(uint8 _angelCardSeriesId, address _owner, uint _price, uint16 _battlePower) onlySERAPHIM external returns(uint64);
    function addToAngelExperienceLevel(uint64 _angelId, uint _value) onlySERAPHIM external;
    function setAngelLastBattleTime(uint64 _angelId) onlySERAPHIM external;
    function setAngelLastVsBattleTime(uint64 _angelId) onlySERAPHIM external;
    function setLastBattleResult(uint64 _angelId, uint16 _value) onlySERAPHIM external;
    function addAngelIdMapping(address _owner, uint64 _angelId) private;
    function transferAngel(address _from, address _to, uint64 _angelId) onlySERAPHIM public returns(ResultCode);
    function ownerAngelTransfer (address _to, uint64 _angelId)  public;
    function updateAngelLock (uint64 _angelId, bool newValue) public;
    function removeCreator() onlyCREATOR external;

    // read
    function getAngelCardSeries(uint8 _angelCardSeriesId) constant public returns(uint8 angelCardSeriesId, uint64 currentAngelTotal, uint basePrice, uint64 maxAngelTotal, uint8 baseAura, uint baseBattlePower, uint64 lastSellTime, uint64 liveTime);
    function getAngel(uint64 _angelId) constant public returns(uint64 angelId, uint8 angelCardSeriesId, uint16 battlePower, uint8 aura, uint16 experience, uint price, uint64 createdTime, uint64 lastBattleTime, uint64 lastVsBattleTime, uint16 lastBattleResult, address owner);
    function getOwnerAngelCount(address _owner) constant public returns(uint);
    function getAngelByIndex(address _owner, uint _index) constant public returns(uint64);
    function getTotalAngelCardSeries() constant public returns (uint8);
    function getTotalAngels() constant public returns (uint64);
    function getAngelLockStatus(uint64 _angelId) constant public returns (bool);
}

contract IBattleCooldown is AccessControl, SafeMath {
    
    function setBestAngel (uint32 _bestAngel) onlySERAPHIM external ;
    function getBestAngel() public constant returns (uint32) ;
    function getBattleCooldown(uint64 angelID) constant public returns (uint64) ;
    function getNextBattleTime(uint64 angelId) constant public returns (uint) ;
    
}

contract BattleCooldown  is IBattleCooldown {
    // Addresses for other contracts ArenaBattle interacts with.


address public angelCardDataContract = 0x6D2E76213615925c5fc436565B5ee788Ee0E86DC;
uint32 public bestAngel = 120;
      
      
    function setBestAngel (uint32 _bestAngel) onlySERAPHIM external {
        bestAngel = _bestAngel;
    }
    
    function getBestAngel() public constant returns (uint32) {
        return bestAngel;
    }
    
        function getBattleCooldown(uint64 angelID) constant public returns (uint64) {
        IAngelCardData angelCardData = IAngelCardData(angelCardDataContract);
        uint64 experience;
        (,,,,experience,,,,,,) = angelCardData.getAngel(angelID);
       if (experience == bestAngel) {return 43200;}
        if (safeSubtract(bestAngel, experience) > 120) {return 0;}
         if (safeSubtract(bestAngel, experience) > 90) {return 3600;}
         if (safeSubtract(bestAngel, experience) > 60) {return 21600;}
         if (safeSubtract(bestAngel, experience) > 30) {return 28800;}
         return 43200;
        
    }
    
    function getNextBattleTime(uint64 angelId) constant public returns (uint) {
        //returns Unix timestamp of the next time an angel can battle. 
        IAngelCardData angelCardData = IAngelCardData(angelCardDataContract);
        uint angellastBattleTime;
           (,,,,,,,angellastBattleTime,,,) = angelCardData.getAngel(angelId);
        return (angellastBattleTime + getBattleCooldown(angelId));
}

}