//introducing mapping (any person can vote only once)

pragma solidity ^0.4.17;

contract Vote {

	string canditate1_name;
	string canditate2_name;
	uint256 Count_canditate1_vote;
	uint256 Count_canditate2_vote;
    address voter;
    
    mapping (address => bool) public voters;
    
	function Vote (string _canditate1Name, string _candidate2_name){
   	 
    	canditate1_name=_canditate1Name;
    	canditate2_name=_candidate2_name;
	}
    
  
	function getCountofCandidate1()  public view returns(uint256){
   	 
    	return Count_canditate1_vote;
}

  function getCountofCandidate2()  public view returns(uint256){
   	 
    	return Count_canditate2_vote;
}

	function SetVote(uint256 _can){
   	 
    	require(voters[msg.sender]==false);
    	if(_can==1){
       	 
        	Count_canditate1_vote=Count_canditate1_vote+1;
       	 
    	}
    	else if(_can==2){
       	 
        	Count_canditate2_vote=Count_canditate2_vote+1;
    	}
    	
    	voters[msg.sender]=true;

	}


	function getWinner()  public view returns(string)
	{
  	 
    	if(Count_canditate1_vote>Count_canditate2_vote){
        	return canditate1_name;
    	}
    	else {
        	return canditate2_name;
    	}
	}
}