<?php
    /**
     * Artifact effect entity file.
     *
     * Creates the entity and makes it available.
     *
     * @category Entity
     */

    /**
     * Require dependent entities if not present.
     */
    require_once(PATH::ENTITY . "Entity.php");

    /**
     * Artifact effect.
     *
     * Represents an object from the table 'artifact_effect'.
     *
     * @category Entity
     */
    class Artifact_Effect extends Entity{

        /**
         * @var int Effect slot.
         *
         * @see ARTIFACT_EFFECT_SLOT_ID
         */
        public $slot;

        /**
         * @var int Effect identifier.
         *
         * @see ARTIFACT_EFFECT_ID
         */
        public $effect;

        /**
         * @var string Effect name (uppercase).
         */
        public $name = "";

        /**
         * @var int Effect value.
         */
        public $value;

        /**
         * @var int Ammount gained by effect grindstone.
         */
        public $grind;

        /**
         * @var int Indicates if a gem has been used.
         */
        public $enchant;

        /**
         * Constructor.
         *
         * Searches the database and retrieves the information about the
         * artifact effect, populating it and it's items.
         *
         * @param int $artifact Artifact id.
         * @param int $slot Artifact slot id.
         * @global resource Database connection.
         */
        public function __construct($artifact, $slot){

            global $db;

            $statement = $db->prepare("
              SELECT
                slot,
                effect,
                value,
                enchant,
                grind
              FROM artifact_effect
              WHERE
                artifact = :artifact AND
                slot = :slot;
            ");
            $statement->bindValue(':artifact', $artifact, SQLITE3_INTEGER);
            $statement->bindValue(':slot', $slot, SQLITE3_INTEGER);
            $r = $statement->execute()->fetchArray(SQLITE3_ASSOC);
            if ($r){
                $this->effect = $r["effect"];
                $this->value = $r["value"];
                $this->enchant = $r["enchant"];
                $this->grind = $r["grind"];
                
                $statement = $db->prepare("
                  SELECT name
                  FROM k_artifact_effect
                  WHERE id = :id;
                ");
                $statement->bindValue(':id', $this->effect, SQLITE3_INTEGER);
                $r = $statement->execute()->fetchArray(SQLITE3_ASSOC);
                if ($r){
                    $this->name = str_replace("{}", $this->value, $r["name"]);
                }

            }
        }

    }
?>