<?php
/**
 * Context file.
 *
 * Provides a handy class with usefull data to be accessible from anywhere in the app.
 *
 * @author Iñigo Valentin <i@inigovalentin.com>
 * @license https://www.gnu.org/licenses/gpl-3.0.en.html GNU General Public License V3
 * @package SWDB
 */

/**
 * Application context.
 *
 * Stores usefull data to be retrieved anywhere in the app.
 *
 * @category Context
 */
class Context {

    /**
     * @var User Currently logged in user.
     */
    private $user;

    /**
     * @var Player Currently selected player. Does not need to be owned by the logged-in user.
     */
    private $player;

    /**
     * @var SQLITE3 Database connection.
     */
    private $db;

    /**
     * @var int Selected game mode.
     * @see GAME_MODE_ID.
     */
    private $game_mode;

    /**
     * Retrieves the selected user.
     *
     * @return User The selected user, null if no specified.
     */
    public function get_user(){
        return $this->user;
    }

    /**
     * Retrieves the logged in player.
     *
     * @return Player The current player, null if not logged in.
     */
    public function get_player(){
        return $this->player;
    }

    /**
     * Retrieves the database connection.
     *
     * @return SQLITE3 The database connection.
     */
    public function get_db(){
        return $this->db;
    }

    /**
     * Retrieves the current game mode.
     *
     * @see GAME_MODE_ID
     * @return int Game mode.
     */
    public function get_game_mode(){
        return $this->game_mode;
    }

    /**
     * Sets the current user.
     *
     * @param The current user.
     */
    protected function set_user($user){
        $this->user = $user;
    }

    /**
     * Sets the currently logged-in player.
     *
     * @param Player Logged-in player.
     */
    protected function set_player($player){
        $this->player = $player;
    }

    /**
     * Sets the database connection
     *
     * @param SQLITE3 Database connection.
     */
    protected function set_db($db){
        $this->db = $db;
    }

    /**
     * Sets the game mode.
     *
     * @see GAME_MODE_ID
     * @param int Game mode.
     */
    protected function set_game_mode($game_mode){
        $this->game_mode = $game_mode;
    }
}