<?php
/**
 * Created by PhpStorm.
 * User: zn
 * Date: 2017/6/14
 * Time: 15:14
 */

namespace common\services;


use common\models\Deal;
use common\models\DealData;
use common\modules\systemlog\SystemLogUtil;
use common\utils\EnumUtil;
use common\utils\RedisKeyUtil;
use RedisLock\RedisLock;
use Yii;

class DealService
{
    /**交易
     * @param $dealID
     * @param $userID
     * @return int
     */
    public static function deal($dealID, $userID, &$dealDbData)
    {
        //加锁
        $lock = new RedisLock(Yii::$app->redis, RedisKeyUtil::lockDeal($dealID), RedisLock::FLAG_CATCH_EXCEPTIONS);
        if (!$lock->acquire(10)) return ResultStatusServices::RS_SAME_TIME_OPERATION;

        try {
            $dealDbData = Deal::findByID($dealID);
            if (empty($dealDbData))
                return ResultStatusServices::RS_NOT_FIND_IN_DB;

            //检查用户
            if ($dealDbData->from_user_id != $userID && $dealDbData->be_user_id != $userID)
                return ResultStatusServices::RS_PARSE_PARAM_ERROR;

            //交易完成
            if ($dealDbData->complete == EnumUtil::COMPETE)
                return ResultStatusServices::RS_PARSE_PARAM_ERROR;

            //检查确认顺序
            if ($dealDbData->from_user_id == $userID && $dealDbData->be_user_confirm == EnumUtil::NOT_CONFIRM)
                return ResultStatusServices::RS_DEAL_WAIT_USER_CONFIRM;

            if ($dealDbData->be_user_id == $userID) {
                $dealDbData->be_user_confirm = EnumUtil::CONFIRM;
            }

            if ($dealDbData->from_user_id == $userID) {
                $dealDbData->from_user_confirm = EnumUtil::CONFIRM;
            }

            if ($dealDbData->from_user_confirm == EnumUtil::CONFIRM && $dealDbData->be_user_confirm == EnumUtil::CONFIRM) {
                //都确认了,交易完成
                $dealDbData->complete = EnumUtil::COMPETE;
            }

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


            //交易完成,执行物品赠送操作
            if ($dealDbData->complete == EnumUtil::COMPETE) {

                $rs = self::__dealCompleteAddItem($dealDbData);
                if ($rs != ResultStatusServices::RS_OPERATION_SUCCESS) return $rs;
            }

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

        return ResultStatusServices::RS_OPERATION_SUCCESS;
    }

    /**后台完成交易
     * @param $dealID
     * @return int
     */
    public static function dealBackendCompete($dealID)
    {
        //加锁
        $lock = new RedisLock(Yii::$app->redis, RedisKeyUtil::lockDeal($dealID), RedisLock::FLAG_CATCH_EXCEPTIONS);
        if (!$lock->acquire(10)) return ResultStatusServices::RS_SAME_TIME_OPERATION;

        try {
            $dealDbData = Deal::findByID($dealID);
            if (empty($dealDbData))
                return ResultStatusServices::RS_NOT_FIND_IN_DB;

            $dealDbData->from_user_confirm = EnumUtil::CONFIRM;
            $dealDbData->be_user_confirm = EnumUtil::CONFIRM;
            $dealDbData->complete = EnumUtil::COMPETE;

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

            //赠送物品
            $rs = self::__dealCompleteAddItem($dealDbData);
            if ($rs != ResultStatusServices::RS_OPERATION_SUCCESS) return $rs;

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

        return ResultStatusServices::RS_OPERATION_SUCCESS;
    }

    /**后台取消交易
     * @param $dealID
     * @return int
     */
    public static function dealBackendCancel($dealID)
    {
        //加锁
        $lock = new RedisLock(Yii::$app->redis, RedisKeyUtil::lockDeal($dealID), RedisLock::FLAG_CATCH_EXCEPTIONS);
        if (!$lock->acquire(10)) return ResultStatusServices::RS_SAME_TIME_OPERATION;

        try {
            $dealDbData = Deal::findByID($dealID);
            if (empty($dealDbData))
                return ResultStatusServices::RS_NOT_FIND_IN_DB;

            //删除
            $dealDbData->del = EnumUtil::DELETE;
            if (!$dealDbData->save()) return ResultStatusServices::RS_SAVE_DB_ERROR;

            //还原物品
            $rs = self::__dealCanelReturnItem($dealDbData);
            if ($rs != ResultStatusServices::RS_OPERATION_SUCCESS) return $rs;

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

        return ResultStatusServices::RS_OPERATION_SUCCESS;
    }

    /**
     * 交易完成赠送物品
     * @param Deal $dealDbData
     * @return bool|int
     */
    private static function __dealCompleteAddItem(Deal $dealDbData)
    {
        $data = DealData::loadJson($dealDbData->data);

        //提成比例
        $drawPercentage = floatval(intval(GameConfigServices::getCommonNumByID(GameConfigServices::COMMON_DRAW_PERCENTAGE)) / 100);

        $drawPercentageData = new DealData();

        //执行具体交易操作
        if ($dealDbData->type == EnumUtil::DEAL_TYPE_PERSENT_MONEY) {
            //赠送金币
            //提成
            $drawPercentageData->gold = intval(intval($data->gold) * $drawPercentage);
            $gold = $data->gold - $drawPercentageData->gold;

            if ($gold > 0) {
                $log = SystemLogUtil::get($dealDbData->be_user_id, SystemLogUtil::TYPE_GOLD, $gold, 0, SystemLogUtil::FROM_TYPE_DEAL_GET, [
                    'deal_id' => $dealDbData->id]);
                $rs = UserService::checkAndModifyMoney($dealDbData->be_user_id, true, $gold, 0, $log);
                if ($rs != ResultStatusServices::RS_OPERATION_SUCCESS) return $rs;
            }

        } elseif ($dealDbData->type == EnumUtil::DEAL_TYPE_PERSENT_ITEM) {

            //赠送物品
            foreach ($data->item_list as $item) {
                //提成
                $drawPercentageItem = $drawPercentageData->addItem($item->item_id, intval($item->num * $drawPercentage));

                $num = $item->num - $drawPercentageItem->num;
                if ($num > 0) {
                    $log = SystemLogUtil::get($dealDbData->be_user_id, SystemLogUtil::TYPE_ITEM, $item->item_id, $num, SystemLogUtil::FROM_TYPE_DEAL_GET, ['deal_id' => $dealDbData->id]);
                    $rs = ItemServices::checkAndModifyNum($dealDbData->be_user_id, $item->item_id, true, $num, $log);
                    if ($rs != ResultStatusServices::RS_OPERATION_SUCCESS) return $rs;
                }
            }
        }

        //添加系统日志
        UserLogService::addUserSystemLogDeal($dealDbData);

        UserLogService::addUserSystemLog($dealDbData->from_user_id, EnumUtil::USER_SYSTEM_LOG_DRAW_PERCENTAGE,
            sprintf('交易提成,%s', $drawPercentageData->toReadString()));

        return ResultStatusServices::RS_OPERATION_SUCCESS;
    }

    /**
     * 取消交易还原赠送物品
     * @param Deal $dealDbData
     * @return bool|int
     */
    private static function __dealCanelReturnItem(Deal $dealDbData)
    {
        $data = DealData::loadJson($dealDbData->data);

        //执行具体交易操作
        if ($dealDbData->type == EnumUtil::DEAL_TYPE_PERSENT_MONEY) {
            //赠送金币
            $log = SystemLogUtil::get($dealDbData->from_user_id, SystemLogUtil::TYPE_GOLD, $data->gold, 0, SystemLogUtil::FROM_TYPE_DEAL_CANCEL, [
                'deal_id' => $dealDbData->id]);
            $rs = UserService::checkAndModifyMoney($dealDbData->from_user_id, true, $data->gold, 0, $log);
            if ($rs != ResultStatusServices::RS_OPERATION_SUCCESS) return $rs;

        } elseif ($dealDbData->type == EnumUtil::DEAL_TYPE_PERSENT_ITEM) {

            //赠送物品
            foreach ($data->item_list as $item) {
                $log = SystemLogUtil::get($dealDbData->from_user_id, SystemLogUtil::TYPE_ITEM, $item->item_id, $item->num, SystemLogUtil::FROM_TYPE_DEAL_CANCEL, [
                    'deal_id' => $dealDbData->id]);
                $rs = ItemServices::checkAndModifyNum($dealDbData->from_user_id, $item->item_id, true, $item->num, $log);
                if ($rs != ResultStatusServices::RS_OPERATION_SUCCESS) return $rs;
            }
        }

        return ResultStatusServices::RS_OPERATION_SUCCESS;
    }
}