<?php
/**
 * Created by PhpStorm.
 * User: zn
 * Date: 2017/5/23
 * Time: 11:42
 */

namespace common\services;

use common\models\Item;
use common\modules\achievement\AchievementUtil;
use common\modules\systemlog\SystemLog;
use common\utils\RedisKeyUtil;
use RedisLock\RedisLock;
use Yii;


/**
 * 物品
 * Class ItemServices
 * @package common\services
 */
class ItemServices
{
    const ITEM_TYPE2_SEEDS = 1;//种子
    const ITEM_TYPE2_FRUIT = 2;//果实
    const ITEM_TYPE2_FERTILIZE = 3;//肥料
    const ITEM_TYPE2_DOG_FOOD = 4;//狗粮
    const ITEM_TYPE2_BG = 990;//背景
    const ITEM_TYPE2_GEM = 1000;//钻石
    const ITEM_TYPE2_GOLD = 1001;//金币
    const ITEM_TYPE2_DEMEDY = 5;//补签卡
    const ITEM_TYPE2_ENJOY_PET = 6;//观赏宠物
    const ITEM_TYPE2_MYSTERY_SEED = 7;//神秘种子
    const ITEM_TYPE2_SUONA = 8;//超级喇叭
    const ITEM_TYPE2_DISINSECTION = 9;//超级杀虫剂
    const ITEM_TYPE2_WEEDING = 10;//超级除草剂
//    const ITEM_TYPE2_GIFT = 13;//礼包
    const ITEM_TYPE2_STONE = 14;//石材
    const ITEM_TYPE2_STEEL = 15;//钢材
    const ITEM_TYPE2_GEMSTONE = 200;//宝石
    const ITEM_TYPE2_CRYSTAL = 300;//水晶
    const ITEM_TYPE2_EGG = 500;//egg
    const ITEM_TYPE2_CHIP = 600;//碎片
    const ITEM_TYPE2_PET_BLUEPRINT = 700;//图纸
    const ITEM_TYPE2_PET = 800;//宠物
    const ITEM_TYPE2_CARD = 900;//周卡、月卡

    //不能购买列表
    const ITEM_CANNOT_BUY_LIST = [
        self::ITEM_TYPE2_GOLD,
        self::ITEM_TYPE2_GEM,
    ];

    //只能买一个
    const ITEM_ONLY_BUY_ONE_LIST = [
        self::ITEM_TYPE2_BG,
    ];

    //不能出售列表
    const ITEM_CAN_NOT_SELL_LIST = [
        self::ITEM_TYPE2_BG,
        self::ITEM_TYPE2_GOLD,
        self::ITEM_TYPE2_GEM,
        self::ITEM_TYPE2_MYSTERY_SEED,
        self::ITEM_TYPE2_SUONA,
        self::ITEM_TYPE2_DISINSECTION,
        self::ITEM_TYPE2_WEEDING,
        self::ITEM_TYPE2_ENJOY_PET,
//        self::ITEM_TYPE2_SEEDS,
//        self::ITEM_TYPE2_GIFT,
    ];

    const ITEM_TYPE_STR = [
        self::ITEM_TYPE2_SEEDS => '种子',
        self::ITEM_TYPE2_FRUIT => '果实',
        self::ITEM_TYPE2_FERTILIZE => '肥料',
        self::ITEM_TYPE2_DOG_FOOD => '狗粮',
        self::ITEM_TYPE2_ENJOY_PET => '狗',
        self::ITEM_TYPE2_BG => '背景',
        self::ITEM_TYPE2_GOLD => '金币',
        self::ITEM_TYPE2_GEM => '钻石',
        self::ITEM_TYPE2_MYSTERY_SEED => '神秘种子',
        self::ITEM_TYPE2_SUONA => '超级喇叭',
        self::ITEM_TYPE2_DISINSECTION => '超级杀虫剂',
        self::ITEM_TYPE2_WEEDING => '超级除草剂',
//        self::ITEM_TYPE2_GIFT => '新手礼包',
    ];

    /**
     * 修改仓库物品
     * @param $userID
     * @param $itemID
     * @param $isAdd
     * @param $num
     * @return bool|int
     */
    public static function checkAndModifyNum($userID, $itemID, $isAdd, $num, SystemLog $log)
    {
        //正负验证
        if ($isAdd && $num < 0) return ResultStatusServices::RS_PARAM_ERROR;
        if (!$isAdd && $num > 0) return ResultStatusServices::RS_PARAM_ERROR;

        //加锁
        $lock = new RedisLock(Yii::$app->redis, RedisKeyUtil::lockItem($userID, $itemID), RedisLock::FLAG_CATCH_EXCEPTIONS);
        if (!$lock->acquire(10)) return ResultStatusServices::RS_SAME_TIME_OPERATION;

        try {
            //获取信息
            $itemDbData = Item::findByUserIDAndItemID($userID, $itemID);

            $config = GameConfigServices::getParamByPath('item_list.' . $itemID);

            if (empty($config))
                return ResultStatusServices::RS_NOT_FIND_IN_CONFIG;

            //添加操作，并且数据不存在则新建数据
            if (!$itemDbData && $isAdd) {
                $itemDbData = new Item();
                $itemDbData->user_id = $userID;
                $itemDbData->item_id = $itemID;
                $itemDbData->name = $config['name'];
                $itemDbData->type = $config['type2'];
            }

            //减少操作，并且物品不存在
            if (!$isAdd && !$itemDbData) return ResultStatusServices::RS_ITEM_NOT_ENOUGH;

            if (!$itemDbData) return ResultStatusServices::RS_ITEM_NOT_ENOUGH;

            //修改数量
            $itemDbData->num += $num;

            //数量不够减
            if ($itemDbData->num < 0) return ResultStatusServices::RS_ITEM_NOT_ENOUGH;

            //判断能否买多个
            $onlyBuyOne = in_array($itemDbData->type, ItemServices::ITEM_ONLY_BUY_ONE_LIST);
            if ($onlyBuyOne && $itemDbData->num > 1) return ResultStatusServices::RS_ITEM_CAN_NOT_BY_MORE;

            //减少操作，如果数量为0,则删除数据
            if (!$isAdd && !$itemDbData->getIsNewRecord() && $itemDbData->num <= 0) {
                //删除操作
                if (!$itemDbData->delete()) return ResultStatusServices::RS_SAVE_DB_ERROR;
            } elseif (!$itemDbData->save()) {
                //保存操作
                return ResultStatusServices::RS_SAVE_DB_ERROR;
            }

            if (!$log->save()) return ResultStatusServices::RS_SAVE_DB_ERROR;

        } finally {
            //解锁
            $lock->release();
        }

        return ResultStatusServices::RS_OPERATION_SUCCESS;
    }

    /**
     * 排序, type,item_id
     * @param $itemDbDataList
     * @return Item[]
     */
    public static function sortItem($itemDbDataList)
    {
        usort($itemDbDataList, function ($a, $b) {
            if ($a->type == $b->type) {
                if ($a->item_id == $b->item_id) return 0;
                return $a->item_id < $b->item_id ? -1 : +1;
            }

            return $a->type < $b->type ? -1 : +1;
        });

        return $itemDbDataList;
    }


}