package net.hoo2.auth.dsproject.snake;

/**
 * @class Player
 * @brief Represent a Player in the Game
 * 
 * The players are playing in a round-robin sequence and we keep track
 * for each one of them their playing order, score and place on the board.
 * 
 * @author Christos Choutouridis 8997
 * @email  cchoutou@ece.auth.gr
 */
public class Player {
   /** @name Constructors */
   /** @{ */
   /** Default doing nothing constructor */
   Player () {
      playerId = score = tile = turn = 0;
      name = "";
      board = null;
   }
   /**
    * @brief   The main constructor
    * 
    * This creates a player for the game
    * @param playerId   The player's to create
    * @param name       The name of the player
    * @param board      Reference to the board the player will play on.
    */
   Player (int playerId, String name, Board board) {
      this.playerId  = playerId;
      this.name      = name;
      this.board     = board;
      score          = 0;
      tile           = 0;
      turn           = 0;
   }
   /** @} */

   /** @name Get/Set interface */
   /** @{ */
   int getPlayerId () { return playerId; }
   void setPlayerId (int playerId) {
      this.playerId = playerId;
   }
   String getName () { return name; }
   void setName (String name) {
      this.name = name;
   }
   int getScore () { return score; }
   void setScore (int score) {
      this.score = score;
   }
   /** Get reference to Board */
   Board getBoard () { return board; }
   /** Set Board reference */
   void setBoard (Board board) {
      this.board = board;
   }
   /** Get tile */
   int getTile () { return tile; }
   /** Set tile */
   void setTile (int tile) {
      this.tile = tile;
   }
   /** Get turn */
   int getTurn () { return turn; }
   /** Set turn */
   void setTurn (int turn) {
      this.turn = turn;
   }
   /** @} */
   
   /** @name Exposed API members */
   /** @{ */
   
   /**
    * @brief   Move functionality
    * This function prints to stdout various logs about user interaction with elements
    * 
    * @param tile    The initial tile of the player
    * @param die     The die to play
    * @return
    *    int[0]   tile after move
    *    int[1]   number of snake bites
    *    int[2]   number of ladder used
    *    int[3]   number of apples eaten
    */
   int [] move (int tile, int die) {
      int [] ret = new int[4];
      int t;
      
      tile += die;      // Initial move
      //System.out.println(name + " +" + die + "->tile: " + tile); //XXX: Debug only
      boolean keepGoing;
      do {
         keepGoing = false;
         // Check apples
         t = board.checkApple(tile);
         if (t != 0) {
            score += t;
            ++ret[3];
            System.out.println(name + " Apple @" + tile + " " + t + " points");
         }
         // Check ladder
         t = board.checkLadder(tile);
         if (t != tile) {
            System.out.println(name + " Ladder @" + tile + " new position " + t);
            tile = t;
            ++ret[2];
            keepGoing = true;
         }
         // Check snakes
         t = board.checkSnake(tile);
         if (t != tile) {
            System.out.println(name + " Ouch!! Snake @" + tile + " new position " + t);
            tile = t;
            ++ret[1];
            keepGoing = true;
         }
      } while (keepGoing);
      ret[0] = this.tile = tile;
      return ret;
   }
   /**@} */
   
   
   /** @name Data members (private) */
   /** @{ */
   private int    playerId;   /**< Player's ID */
   private String name;       /**< Player's name */
   private int    score;      /**< Player's score */
   private Board  board;      /**< Reference to current board */
   private int    tile;       /**< Player's tile location */
   private int    turn;       /**< Player's turn of playing */
   /** @} */
}