 <?php
/**
 * Monster details page file.
 *
 * Provides a class with all the properties and methods to display the page.
 *
 * @author Iñigo Valentin <i@inigovalentin.com>
 * @license https://www.gnu.org/licenses/gpl-3.0.en.html GNU General Public License V3
 * @package SWDB
 */

require_once(PATH::PAGE . "Page.php");
require_once(PATH::ENTITY . "Monster.php");

/**
 * Monster details page model.
 *
 * @category Page
 */
class Monster_Page extends Page{

    /**
     * @var Monster[] Selected unit array.
     *
     * [0]: Unawakened monster (null if default purple).
     * [1]: Awakened monster (null if silver).
     * [2]: Second awakened monster (null if unavailaable).
     */
    private $monster = [];

    /**
     * @var int[] IDs to other units of the family
     * @todo Implement.
     */
    private $family = [];
    
    /**
     * @var bool Indicates a silver monster.
     */
    private $silver = false;
    
    /**
     * @var bool Indicates a default purple (always awaken) monster.
     */
    private $purple = false;
    
    /**
     * @var bool Indicates a monstes that can second awaken.
     */
    private $red = false;

    /**
     * Constructor.
     *
     * Retrieves the data and initializes the variables.
     *
     * @param int $id Monster id. Can be any of the awakening stages
     */
    public function __construct($id){
        $this->view = PATH::VIEW . "monster.php";
        $title = "";
        $monster = new Monster($id);
        if (! $monster->can_awaken()){
            // Silver star monster.
            $this->silver = true;
            $this->monster[0] = $monster;
            $this->monster[1] = null;
            $this->monster[2] = null;
            $title = $this->monster[0]->element_name . " " . $this->monster[0]->name;
        }
        elseif ($monster->can_awaken() && $monster->get_awakens_to() == null && $monster->get_awakens_from() == null){
            // Default purple (Rainbowmon or King Angelmon)
            $this->purple = true;
            $this->monster[0] = null;
            $this->monster[1] = $monster;
            $this->monster[2] = null;
            $title = $this->monster[1]->name;
        }
        elseif ($monster->can_awaken() && $monster->get_awakens_to() == null && $monster->get_awakens_from() != null){
            // Normal monster, already awakened, no 2a.
            $this->monster[0] = new Monster($monster->get_awakens_from());
            $this->monster[1] = $monster;
            $this->monster[2] = null;
            $title = $this->monster[1]->get_name() . " - " .$this->monster[0]->get_element_name() . " " . $this->monster[0]->get_name();
            $monster = $this->monster[0];
        }
        elseif ($monster->can_awaken() && $monster->get_awakens_to() != null && $monster->get_awakens_from() == null){
            // Normal monster, not awakened, may have 2a.
            $this->monster[0] = $monster;
            $this->monster[1] = new Monster($this->monster[0]->get_awakens_to());
            if ($this->monster[1]->get_awakens_to() == null){
                $this->monster[2] = null;
            }
            else{
                $this->red = true;
                $this->monster[2] = new Monster($this->monster[1]->get_awakens_to());
            }
            $title = $this->monster[1]->get_name() . " - " .$this->monster[0]->get_element_name() . " " . $this->monster[0]->get_name();
        }

        $this->title = $title ." - SWDB";
        $this->description = $title . " info - SWDB";
        $this->canonical = URL::BASE . "monster_info/" . $id;
    }
    /**
     * Retrieves the monster line to show.
     * 
     * Index [0]: Unawakened monster (null if default purple).
     * Index [1]: Awakened monster (null if silver).
     * Index [2]: Second awakened monster (null if unavailaable).
     *
     * @return Monster[] 
     */
    public function get_monsters(){
        return $this->monster;
    }

    /**
     * Retrieves the monster family.
     *
     * @return multitype:number 
     */
    public function get_family(){
        return $this->family;
    }

    /**
     * Checks if the monster is default silver (non awakeable).
     *
     * @return bool True for silver monsters, false otherwise.
     */
    public function is_silver(){
        return $this->silver;
    }

    /**
     * Checks if the monster is default purple (always awaken).
     *
     * @return bool True for purple monsters, false otherwise.
     */
    public function is_purple(){
        return $this->purple;
    }

    /**
     * Checks if the monster can second awaken.
     *
     * @return bool True for monsters that can 2A, false otherwise.
     */
    public function can_2a(){
        return $this->red;
    }

}
?>