 <?php
    /**
     * Monster view page file.
     *
     * Provides a class with all the properties and methods to display the page.
     *
     * @category Page
     */

    /**
     * Require dependent files if not present.
     */
    require_once(PATH::PAGE . "Page.php");
    require_once(PATH::ENTITY . "Unit.php");

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

        /**
         * @var Unit Selected Unit.
         */
        public $unit;

        /**
         * @var mixed[] Stats gained by building.
         */
        public $building_stats = [
            "atk" => 0,
            "def" => 0,
            "hp" => 0,
            "spd" => 0,
            "crd" => 0,
            "elm" => [
                0 => 0,
                1 => 0,
                2 => 0,
                3 => 0,
                4 => 0
            ]
        ];

        /**
         * Constructor.
         *
         * Retrieves the data and initializes the variables.
         *
         * @param string $id Selected unit id
         * @global resource Database connection.
         */
        public function __construct($id){
            global $db;
            $this->view = PATH::VIEW . "monster.php";
            $this->calculate_buildings();
            $this->unit = new Unit($id);
            $this->title = $this->unit->unit->name ." - SWDB";
            $this->description = "Owned " . $this->unit->unit->name;
            $this->canonical = URL::BASE . "monster/" . $id;
        }

        /**
         * Calculates the stats gained from bulding upgrades and populates the
         * $building_stats array.
         *
         * @gobal int User ID.
         * @global resource Database connection.
         */
        private function calculate_buildings(){
            global $UID;
            global $db;
            $s = "
              SELECT
                affected_stat,
                bonus,
                element
              FROM
                k_decoration,
                k_decoration_level,
                decoration
              WHERE
                decoration.uid = '$UID' AND
                k_decoration.id = decoration.decoration AND
                decoration.decoration = k_decoration_level.decoration AND
                decoration.level = k_decoration_level.level AND
                area = " . EFFECT_AREA_ID::GENERAL . " AND
                affected_stat IN (" . STAT_ID::ATK . ", " . STAT_ID::DEF . ", " . STAT_ID::HP . ", " . STAT_ID::SPD . ", " . STAT_ID::CRIT_DMG . ");
            ";
            $q = $db->query($s);
            while ($r = $q->fetchArray(SQLITE3_ASSOC)){
                switch($r["affected_stat"]){
                    case STAT_ID::DEF:
                        $this->building_stats["def"] += $r["bonus"];
                        break;
                    case STAT_ID::HP:
                        $this->building_stats["hp"] += $r["bonus"];
                        break;
                    case STAT_ID::SPD:
                        $this->building_stats["spd"] += $r["bonus"];
                        break;
                    case STAT_ID::CRIT_DMG:
                        $this->building_stats["crd"] += $r["bonus"];
                        break;
                    case STAT_ID::ATK:
                        if(strlen($r["element"]) > 0){
                            $this->building_stats["elm"][$r["element"]] += $r["bonus"];
                        }
                        else{
                            $this->building_stats["atk"] += $r["bonus"];
                        }
                        break;
                }
            }
        }
    }
?>