<?php

namespace addons\Happiness\common\logic\pv;

use addons\Happiness\common\enums\HappinessEnum;
use addons\Happiness\common\enums\HappinessPvEnum;
use addons\Happiness\common\models\HappinessPvWallet;
use addons\Happiness\common\models\HappinessPvWalletLog;
use common\enums\RabbitMqEnum;
use common\enums\RedisKeyEnum;
use common\enums\StatusEnum;
use common\helpers\LockHelper;
use common\helpers\TaskHelper;
use common\models\common\CapitalLog;
use common\traits\ErrorTrait;
use Exception;
use Yii;

/**
 * Class WalletLogic
 * 新积分处理类
 */
class WalletLogic
{
    use ErrorTrait;

    /**
     * 获取资金类型
     * @return array
     */
    public static function getWalletType()
    {
        return [
            'score_value',
            'total_score_value',
            'freeze_score_value',
            'active_score_value'
        ];
    }

    public static function handle($data, $task_id = 0)
    {
        $user_id = $data['user_id'];
        $wallet_type = $data['wallet_type'];
        $mall_id = $data['mall_id'];

        $capital_types = self::getWalletType();
        if (!in_array($wallet_type, $capital_types)) {
            self::$static_error = '操作类型有误';
            Yii::error(__CLASS__ . ' handle error :' . self::$static_error);
            return false;
        }

        if(bccomp($data['change_num'],0,10) == 0){
            self::$static_error = '操作金额为0';
            Yii::error(__CLASS__ . ' handle error :' . self::$static_error);
            return false;
        }


        //lock
        $lock_key = RedisKeyEnum::suffix(HappinessPvEnum::HAPPINESS_PV_USER_WALLET, $user_id);
        $identification = uniqid();

        if (LockHelper::lock($lock_key, $identification, 100, 100)) {
            $t = \Yii::$app->db->beginTransaction();
            try {
                $edit_field = $wallet_type;
                //修改用户钱包表
                $user_wallet_model = HappinessPvWallet::findOne(['mall_id' => $mall_id, 'user_id' => $user_id]);
                if (empty($user_wallet_model)) {
                    $user_wallet_model = HappinessPvWallet::setData([
                        'user_id'            => $user_id,
                        'mall_id'            => $mall_id,
                        'score_value'        => 0,
                        'freeze_score_value' => 0,
                        'active_score_value' => 0,
                        'status'             => StatusEnum::ENABLED,
                        'total_score_value' => 0,
                    ]);
                    if($user_wallet_model===false) throw new Exception(HappinessPvWallet::getStaticError());
                }

                $current_num = $user_wallet_model->$edit_field;
                $after_num = bcadd($current_num, $data['change_num'], 10);
                if (bccomp($after_num, 0, 10) < 0) {
                    throw new Exception('用户新积分余额不足');
                }

                $user_wallet_model->$edit_field = $after_num;

                if (!$user_wallet_model->save()) throw new Exception($user_wallet_model->getErrorMessage());

                //操作解冻：添加余额，修改记录状态
                $setData = [
                    'mall_id' => $mall_id,
                    'user_id' => $user_id,
                    'change_type' => $data['change_num'] > 0 ? CapitalLog::CHANGE_TYPE_ADD : CapitalLog::CHANGE_TYPE_SUB,
                    'change_num' => abs($data['change_num']),
                    'before_num' => $current_num,
                    'after_num' => $after_num,
                    'desc' => $data['desc'] ?? '',
                    'source_table' => $data['source_table'] ?? '',
                    'source_table_id' => $data['source_table_id'] ?? 0,
                    'from_type' => $data['from_type'] ?? '',
                    'wallet_type' => $data['wallet_type'],
                    'addon_name' => $data['addon_name'] ?? HappinessEnum::ADDONS_NAME,
                    'status' => 1,
                    'order_no' => $data['order_no'] ?? ''
                ];
                $log_res =  HappinessPvWalletLog::setData($setData);
                if (!$log_res) throw new Exception(HappinessPvWalletLog::getStaticError());
                $log_res_id = $log_res->id;

                $t->commit();

                //unlock
                LockHelper::uLock($lock_key, $identification);
                $task_id && self::setHandleResult($task_id, $log_res_id);


                return true;
            } catch (Exception $e) {
                Yii::error(__CLASS__ . ' handle exception : ' . $e->getMessage() . '，task_id:' . $task_id.',data:'.json_encode($data));

                $t->rollBack();
                LockHelper::uLock($lock_key, $identification);
                self::$static_error = $e->getMessage();
                return false;
            }
        } else {
            //抢不到锁
            Yii::error(__CLASS__ . ' handle error : 抢不到锁，task_id:' . $task_id);
            self::$static_error = '操作太频繁';
            return false;
        }
    }

    /**
     * 获取处理结果
     * @param $task_id
     * @return array|bool|null|string
     * @throws \yii\db\Exception
     */
    public static function getHandleResult($task_id)
    {
        $result_key = HappinessPvEnum::USER_WALLET_RESULT_KEY_PREFIX . $task_id;
        $redis = \Yii::$app->redis;
        return $redis->executeCommand('GET', [$result_key]);
    }


    /**
     * 获取处理结果
     * @param $task_id
     * @param $result
     * @return array|bool|null|string
     * @throws \yii\db\Exception
     */
    public static function setHandleResult($task_id, $result)
    {
        $result_key = HappinessPvEnum::USER_WALLET_RESULT_KEY_PREFIX . $task_id;
        $redis = \Yii::$app->redis;

        return $redis->executeCommand('SET', [$result_key, $result, 'EX', 86400]);
    }


    /**
     * 异步队列操作用户钱包
     * @param array $data
     * @param  bool $wait_result 是否阻塞，等待结果
     * @throws
     * @return bool
     */
    public static function handleInQueue($data, $wait_result = true)
    {

        if (!in_array($data['wallet_type'], self::getWalletType())) {
            throw new Exception('操作类型不合法');
        }


        $task_id = TaskHelper::pushTaskQueue(
            RabbitMqEnum::EXCHANGE_TASK_USER_WALLET,
            RabbitMqEnum::USER_WALLET_QUEUE,
            $data,
            __CLASS__,
            'handle'
        );

        if (!$task_id) {
            throw new Exception('操作失败');
        }

        $result = true;
        //block for result
        if ($wait_result) {
            $hasWait = 0;   //已经等待的时间:毫秒
            $max_wait_time = 3 * 1000;  //最长等待 3s

            while (true) {
                $result = self::getHandleResult($task_id);
                if ($result) {
                    break;
                }
                usleep(30 * 1000); //等待30ms
                $hasWait += 30;
                if ($hasWait > $max_wait_time) {
                    //等待超时
                    $result = false;
                    break;
                }
            }
        }
        //注意：返回false 表示正在等待处理
        return $result;
    }

    public static function batchHandle($data)
    {
        //外部加个事务
        try {
            unset($data['message_id']);
            foreach ($data as $log) {
                if(!isset($log['message_id'])) $log['message_id'] = '';
                $log['message_id'] = 0;
                $res=self::handle($log);
                if($res===false)
                {
                    throw new Exception(self::getStaticError());
                }
            }
            return true;

        }catch (Exception $e)
        {
            Yii::error(__CLASS__ . ' batchHandle exception : ' . $e->getMessage() . '，data:'.json_encode($data));
            self::$static_error = $e->getMessage();
            return false;
        }

    }


}