<?php

namespace mt;

use phpcommon;

class Rank {

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

    public static function getInitRank()
    {
        return self::get(1);
    }

    public static function calcNewRankAndScore($oldRank, $oldScore, &$newRank, &$newScore, $addScore)
    {
        $currRankMeta = self::get($oldRank);
        if ($currRankMeta && $currRankMeta['max_score'] > 0) {
            $newScore = min($oldScore, $currRankMeta['max_score']) + $addScore;
            do {
                if ($newScore > $currRankMeta['max_score']) {
                    ++$newRank;
                    $currRankMeta = self::get($newRank);
                    if ($currRankMeta['max_score'] < 0) {
                        $newScore = $currRankMeta['min_score'];
                        break;
                    }
                } else {
                    break;
                }
            } while ($currRankMeta);
        }
    }

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

    protected static $metaList;

}