<?php

namespace mt;

use phpcommon;

class GunTalentGrow {

    public static function get($id)
    {
        return getXVal(self::getMetaList(), $id, null);
    }

    public static function getCostList($meta)
    {
        $costList = array();
        $strArr = explode("|", $meta["cost"]);
        foreach ($strArr as $str) {
            $strArr2 = explode(":", $str);
            array_push(
                $costList,
                array(
                    'item_id' => (int)$strArr2[0],
                    'item_num' => (int)$strArr2[1],
                )
            );
        }
        return $costList;
    }

    public static function getByIdLv($talentId, $talentLv)
    {
        self::mustBeIdLvHash();
        $idMeta = getXVal(self::$idLvHash, $talentId, null);
        return $idMeta ? getXVal($idMeta, $talentLv, null) : null;
    }

    protected static function mustBeIdLvHash()
    {
        if (!self::$idLvHash) {
            self::$idLvHash = array();
            foreach (self::getMetaList() as $meta) {
                $idMeta = getXVal(self::$idLvHash, (int)$meta['talent_id'], null);
                if (!$idMeta) {
                    $idMeta = array();
                    self::$idLvHash[(int)$meta['talent_id']] = $idMeta;
                }
                self::$idLvHash[(int)$meta['talent_id']][(int)$meta['talent_lv']] = $meta;
            }
        }
    }

    protected static function getMetaList()
    {
        if (!self::$metaList) {
            self::$metaList = getMetaTable('gunTalentGrow@gunTalentGrow.php');
        }
        return self::$metaList;
    }

    protected static $idLvHash;
    protected static $metaList;

}