package civitas.bboard.server.controllers;
   
   import java.math.BigInteger;
   import java.security.PublicKey;
   
   import org.springframework.beans.factory.annotation.Autowired;
   import org.springframework.stereotype.Controller;
   import org.springframework.web.bind.annotation.PostMapping;
   
  import civitas.bboard.server.Board;
  import civitas.bboard.server.BoardRepository;
  import civitas.common.CommonConstants;
  import civitas.crypto.algorithms.CreateFreshNonce;
  import civitas.crypto.rsapublickey.ConvertPublicKeyToString;
  
  @Controller
  public class NewBoardController implements CommonConstants {
  
  	@Autowired
  	CreateFreshNonce createFreshNonce;
  
  	@Autowired
  	BoardRepository boardRepository;
  
  	@Autowired
  	ConvertPublicKeyToString convertPublicKeyToString;
  
  	@PostMapping("/boards/newBoard")
  	public String apply(final PublicKey key) {
  		String newBoardName;
  		do {
  			byte[] bs = createFreshNonce.apply(ELECTION_ID_LENGTH);
  			newBoardName = new BigInteger(bs).abs().toString(16);
  		} while (boardRepository.findById(newBoardName).isPresent());
  
  		String keyString = convertPublicKeyToString.apply(key);
  		boardRepository.save(new Board(newBoardName, keyString, true));
  		return newBoardName;
  	}
  }