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

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

    /**
     * Artifact_stat.
     *
     * Represents an object from the table 'artifact_stat'.
     *
     * @category Entity
     */
    class Artifact_Stat extends Entity{

        private $stat;
        private $name = "";
        private $value;

        /**
         * Constructor.
         *
         * Retrieves the artifact stat information from the database.
         *
         * @param int $artifact_id Artifact id.
         */
        public function __construct($artifact_id){

            $statement = get_context()->get_db()->prepare("
              SELECT
                stat,
                value
              FROM artifact_stat
              WHERE
                artifact = :artifact
            ");
            $statement->bindValue(':artifact', $artifact_id, SQLITE3_TEXT);
            $r = $statement->execute()->fetchArray(SQLITE3_ASSOC);
            if ($r){
                $this->stat = $r["stat"];
                $this->value = $r["value"];
                switch ($this->stat){
                    case ARTIFACT_STAT_ID::HP:
                        $this->name = "HP";
                        break;
                    case ARTIFACT_STAT_ID::ATK:
                        $this->name = "ATK";
                        break;
                    case ARTIFACT_STAT_ID::DEF:
                        $this->name = "DEF";
                        break;
                }
            }
        }
        /**
         * Retrieves the artifact stat identifier.
         * 
         * @see ARTIFACT_STAT_ID
         *
         * @return int Artifact stat ID.
         */
        public function get_stat(){
            return $this->stat;
        }

        /**
         * Retrieves the artifact stat name.
         *
         * @return string Artifact stat name.
         */
        public function get_name(){
            return $this->name;
        }

        /**
         * Retrieves the value of the artifact stat value.
         *
         * @return number Stat value.
         */
        public function get_value(){
            return $this->value;
        }

    }
?>