wildalmighty/BattleShips

<?php

namespace Controller;

use Model;

/**
 * Controller for the WEB interface
 * @package  Battleships
 * @category Controller
 */
class GameWEB extends Game {

    public function __construct() {
        //Start session
        session_start();
        //start the game
        $this->start();
    }

    protected function start() {
        $this->board = $this->getBoardFromSession();
        if (!$this->board) {
            //init board
            $this->board = new Model\Board();
            $this->board->init();
        }
    }

    public function startAction() {
        //display
        $view = new \View('Web/layout');
        $view->grid = $this->board->getGrid();
        $view->symbols = $this->getBoardSymbols();
        $view->rows = $this->getRowsNames();
        $view->cols = $this->getColsNames();
        $view->tries = $this->board->getTries();
        $view->display('Web/board');
    }
    
    public function restartAction() {
        $this->reset();
        header('Location: index.php');
    }

    public function fireAction() {

        $row = filter_input(INPUT_POST, 'row');
        $col = filter_input(INPUT_POST, 'col');

        $view = new \View();

        if (!$row || !$col) {
            $view->dislayJson(array('status' => 0, 'msg' => 'Invalid coordinates!'));
            return;
        }

        //fire
        $status = $this->fire($row, $col);
        $view->grid = $this->board->getGrid();
        $view->symbols = $this->getBoardSymbols();
        $view->rows = $this->getRowsNames();
        $view->cols = $this->getColsNames();

        //Get the html for the board
        ob_start();
        $view->display('Web/board');
        $html = ob_get_contents();
        ob_clean();

        $data = array(
            'status' => 1,
            'msg' => $this->getMessageByStatus($status),
            'html' => $html,
            'tries' => $this->board->getTries(),
        );
        $view->dislayJson($data);
        //Reset the game if it's over
        if ($this->isGameOver()) {
            $this->reset();
        }
    }

    public function showAction() {
        $view = new \View('Web/layout');
        $view->grid = $this->board->getGridRevealed();
        $view->symbols = $this->getBoardSymbols();
        $view->rows = $this->getRowsNames();
        $view->cols = $this->getColsNames();
        $view->tries = $this->board->getTries();
        $view->display('Web/board');
    }    

    /**
     * Saves the board into the session
     */
    private function saveBoardToSession() {
        $_SESSION['board'] = serialize($this->board);
    }

    /**
     * Gets the board from the session
     * @return false|\Model\Board
     */
    private function getBoardFromSession() {
        if (isset($_SESSION['board'])) {
            return unserialize($_SESSION['board']);
        }
        return false;
    }

    protected function reset() {
        $this->status = null;
        session_destroy();
    }

    public function __destruct() {
        //save board
        $this->saveBoardToSession();
    }    

}