<?php

    require_once($path["entity"] . "Entity.php");

    /**
     * Monster skill.
     *
     * Represents an object from the table 'k_skill'.
     */
    class K_Leader_Skill extends Entity{

        /**
         * Skill identifier.
         */
        public $id;

        /**
         * Skill attribute.
         */
        public $attribute;

        /**
         * Attribute incrrease amount.
         */
        public $amount;

        /**
         * Effect area.
         */
        public $area;

        /**
         * Affected elements.
         */
        public $element;

        /**
         * Constructor.
         *
         * Searches the database and retrieves the information about the
         * skill, populating it and it's items.
         *
         * @param SQLite3 $db Connection to the database.
         * @param int $id Skill identifier.
         */
        public function __construct($db, $id){
            global $path;
            parent::__construct($db);
            $s =
              "SELECT " .
              "  id, " .
              "  attribute, " .
              "  amount, " .
              "  area, " .
              "  element " .
              "FROM k_leader_skill " .
              "WHERE id = $id; ";
            $q = $this->db->query($s);
            $r = $q->fetchArray(SQLITE3_ASSOC);
            $this->id = $r["id"];
            $this->attribute = $r["attribute"];
            $this->amount = $r["amount"];
            $this->area = $r["area"];
            $this->element = $r["element"]; 
        }
        
        public function get_image(){
            global $base_dir;
            global $path;
            if (file_exists($base_dir . "img/content/skill_leader/" . str_pad($this->id, 4, '0', STR_PAD_LEFT) . ".png")){
                return $path["img"]["content"] . "skill_leader/" . str_pad($this->id, 4, '0', STR_PAD_LEFT) . ".png";
            }
            else{
                return $path["img"]["layout"] . "unknown.png";
            }
        }
        
        public function create_description(){
            $s = "Increases the " . $this->attribute . " of ally monsters ";
            if (strlen($this->element) > 0){
                $s = $s . " with " . $this->element . " attribute ";
            }
            $s = $s . " by " . $this->amount . "%";
            switch ($this->area){
                case "Dungeon":
                    $s = $s . " in the Dungeons";
                    break;
                case "Arena":
                    $s = $s . " in the Arena";
                    break;
                case "Guild":
                    $s = $s . " in Guild content";
                    break;
            }
            $s = $s . ".";
            return $s;
        }
    }
?>