pragma solidity ^0.4.17;

/*Alice wants to return the car. Bob needs to add this feature by 
adding a return_car function that returns the amount to Alice from 
the deposit of the contract .*/


contract Car {
    
    string model;
    uint256 daily_rate;
    
    
    function Car(string argmodel,uint256 arg_daily_rate) payable public
    {
        model = argmodel;
        daily_rate = arg_daily_rate;
        
    }
    
   
    
    function getCarModel()  public view returns(string)
    {
        return model;
    }
    
    function setDailyRate(uint256 arg_dailyRate) public
    {
        
        daily_rate = arg_dailyRate;
    }
    
    function getDailyRate () public view returns (uint256)
    {
        return daily_rate;
    }
    
    function rent() payable public
    {
        
        require(msg.value > 1000000000000000000);
        
    }
    
    function getBalance() public view  returns(uint256)
    {
        return address(this).balance;
    }
    
    function return_car(uint256 noofdays) public
    {
        require(msg.sender  != creator );
        msg.sender.transfer((address(this).balance) - (noofdays * daily_rate));
    }
    
}