<?php

namespace mt;

use phpcommon;

class Item {

    /*
      0 无功能
      1 金币
      2 钻石
      3 角色账号经验
      4 权限类
      5 英雄
      6 皮肤
      7 头像
      8 头像框
      9 枪械
      10 材料
      11 改名卡
      12 喇叭
      13 礼包
      14 碎片
      15 日活跃
      16 周活跃
      17 手册经验
      18 工会经验
      19 工会改名卡
      20 英雄熟练度（预留）
    */

    const NONE_TYPE = 0;
    const GOLD_TYPE = 1;
    const DIAMOND_TYPE = 2;
    const EXP_TYPE = 3;
    const PERMISSION_TYPE = 4;
    const HERO_TYPE = 5;
    const HERO_SKIN_TYPE = 6;
    const HEAD_TYPE = 7;
    const HEAD_FRAME_TYPE = 8;
    const GUN_TYPE = 9;
    const GUN_SKIN_TYPE = 10;
    const MATERIAL_TYPE = 11;
    const HORN_TYPE = 12;
    const RENAME_CARD_TYPE = 13;
    const GIFT_PACKAGE_TYPE = 14;
    const FRAGMENT_TYPE = 15;
    const DAILY_ACTIVE_TYPE = 16;
    const WEAKLY_ACTIVE_TYPE = 17;
    const HANDBOOK_EXP_TYPE = 18;
    const GUILD_EXP_TYPE = 19;
    const GUILD_RENAME_CARD_TYPE = 20;
    const HERO_EXP_TYPE = 21;

    const DAILY_BUY_LIMIT = 1;
    const WEEKLY_BUY_LIMIT = 2;
    const TOTAL_BUY_LIMIT = 3;

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

    public static function isType($meta, $type)
    {
        return $meta['type'] == $type;
    }

    public static function inTypes($meta, $types)
    {
        return in_array($meta['type'], $types);
    }

    public static function filter($cb)
    {
        foreach (self::getMetaList() as $meta) {
            if (!$cb($meta)) {
                return;
            }
        }
    }

    public static function getPriceInfo($meta)
    {
        $info = array(
            'item_id' => $meta['id'],
            'price_info' => array(
                'cost_list' => array(),
                'discount' => (int)$meta['discount'],
                'discount_begin_time' => phpcommon\datetimeToTimestamp($meta['discount_begin']),
                'discount_end_time' => phpcommon\datetimeToTimestamp($meta['discount_end'])
            )
        );
        if ($meta['gold'] > 0) {
            array_push($info['price_info']['cost_list'],
                       array(
                           'item_id' => V_ITEM_GOLD,
                           'item_num' => $meta['gold'],
                           'is_discount' => 1
                       ));
        }
        if ($meta['diamond_price'] > 0) {
            array_push($info['price_info']['cost_list'],
                       array(
                           'item_id' => V_ITEM_DIAMOND,
                           'item_num' => $meta['diamond_price'],
                           'is_discount' => 1
                       ));
        }
        return $info;
    }

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

    protected static $metaList;

}