<?php

namespace addons\YunfastPay\common\services;

use addons\Store\common\services\MerchantService;
use addons\YunfastPay\common\models\PaymentOrder;
use addons\YunfastPay\common\models\SplitbillItem;
use addons\YunfastPay\common\models\SplitbillLog;
use addons\YunfastPay\common\services\trans\nocash\SplitBillTrans;
use addons\YunfastPay\common\services\trans\TransAbstract;
use common\enums\RabbitMqEnum;
use Exception;
use Yii;

/**
 * 分账
 * @package addons\YunfastPay\common\services
 */
class SplitBillService extends BaseService
{
    /**
     * @var int
     */
    protected $storeId;

    /**
     * @var SettingService
     */
    protected $settingService;

    /**
     * 分账子项数据
     *
     * @var array
     */
    protected $itemLog;

    /**
     * @var YunPayService
     */
    protected $yunPayService;

    /**
     * @var PaymentOrder
     */
    protected $payment;

    /**
     * @var string
     */
    protected $orderNo;

    /**
     * 银典收取的手续费
     * 
     * @var float
     */
    protected $fee = 0;

    /**
     * 扣除手续费比例
     */
    protected const FEE = 0.005;

    public function init()
    {
        $this->settingService   = new SettingService(['mall_id' => $this->mall_id]);
        $this->yunPayService    = new YunPayService(['mall_id' => $this->mall_id]);
    }

    /**
     * 进行分账
     *
     * @param array $data
     * [
     *    order_no          => 订单号
     *    amount_received   => 分配金额
     *    user_id           => 用户ID
     *    store_id          => 店铺ID
     *    mall_id           => 商城ID
     *    type              => 订单类型
     * ]
     * @return void
     */
    public function divide(array $data)
    {  
        try {
            $this->getPaymentOrder($data['order_no']);
            // 设置手续费
            $this->setYunfastFeeAmount();
            // 获取分账数据
            $this->yunPayService->setStoreId($data['store_id']);
            $trans  = $this->getSplitBillTrans($data['store_id'], (float)$data['amount_received']);

            // 是否已经分账
            if ($this->payment->isSplitBill()) {
                return true;
            }
            $res    = $this->yunPayService->sendPayRq($trans);
            $id     = $this->addSplitBillLog($res);
        } catch (Exception $e) {
            Yii::error($e->getMessage());
            return false;
        }
        return true;
    }

    /**
     * 添加分账记录
     *
     * @return int|false
     */
    public function addSplitBillLog(array $res)
    {
        $req_data = $this->yunPayService->getReqData();
        $t = Yii::$app->db->beginTransaction();

        try {
            // 设置分账
            if ($res['resCode'] == 'SUCCESS') {
                $this->payment->splitBill();
            }
            // 添加分账记录
            $log = SplitbillLog::addLog([
                'mall_id'       => $this->mall_id,
                'order_no'      => $this->getOrderNo(),
                'payment_id'    => $this->payment->id,
                'req_data'      => $req_data,
                'res_data'      => $res,
                'status'        => $res['resCode'] == 'SUCCESS' ? 1 : 0,
            ]);
            // 分账子项记录
            foreach ($this->itemLog as $item) {
                $model = SplitbillItem::addLog([
                    'mall_id'   => $this->mall_id,
                    'log_id'    => $log->id,
                    'store_id'  => $item['store_id'],
                    'amount'    => $item['item10'],
                    'role'      => $item['item2'],
                    'mcht_cd'   => $item['item3'],
                    'fee_party' => $item['item4'],
                ]);

                $this->storeFastAgent($model);
            }
            $t->commit();
            return $log->id;
        } catch (Exception $e) {
            $t->rollBack();
            Yii::error('添加分账记录 ' . $e->getLine() . $e->getMessage());
        }
        return false;
    }

    /**
     * 商家快速到账
     *
     * @param SplitbillItem $item
     * @return void
     */
    private function storeFastAgent($item)
    {
        // 添加快速到账任务
        if (!empty($item) && ($item->store_id > 0)) {
            $data = [
                'id' => $item->id,
                'mall_id' => $item->mall_id,
            ];
            Yii::$app->services
                ->rabbitMq
                ->delay(10, $data, HandleMqService::class, 'handleStoreAgent');
        }
    }

    /**
     * 获取分账
     *
     * @param string $order_no
     * @param integer $store_id
     * @param float $amount
     * @return SplitBillTrans
     */
    public function getSplitBillTrans(
        int     $store_id,
        float   $amount
    )
    {
        $trans = new SplitBillTrans(
            $this->settingService->getOrgCd(),
            $this->getOrderNo(),
            $this->payment->getOglOrdId()
        );

        // 获取分给门店的费用
        $store_amount = $this->getStoreAmount($amount);

        $this->setSplitBillItemData($trans, $store_id, $store_amount);
        $this->setLeftSplitBillItemData($trans);
        return $trans;
    }

    /**
     * 获取分给门店的费用
     *
     * @return float
     */
    protected function getStoreAmount(float $amount)
    {
        // 暂时门店承担
        $store_amount = bcsub($amount, $this->fee, 2);
        return $store_amount > 0 ? $store_amount : $amount;
    }


    /**
     * 判断是否全部给了门店
     *
     * @param float $amount
     * @return boolean
     */
    protected function isAllToStore(float $amount)
    {
        return $amount == $this->payment->amount;
    }

    /**
     * 设置剩下的金额分账给平台
     *
     * @param SplitBillTrans $trans
     * @return void
     */
    public function setLeftSplitBillItemData(SplitBillTrans $trans)
    {
        $left = $this->getLeftAmount($trans);
        if ($left > 0) {
            $this->setSplitBillItemData($trans, 0, $left);
        }
    }

    /**
     * 获取支付订单
     *
     * @param string $order_no
     * @return void
     */
    public function getPaymentOrder($order_no)
    {
        $this->payment = PaymentOrder::getPaymentByCashierOrderNo($order_no);
        if (empty($this->payment)) {
            throw new Exception('当前支付方式不支持');
        }
    }

    /**
     * 获取店铺分账数据
     *
     * @return string
     */
    public function getStoreMchtCd(int $store_id)
    {
        // 当店铺ID为0 返回平台mchtId
        if ($store_id == 0) return $this->settingService->getMchtCd();

        $merchant = new MerchantService(['mall_id' => $this->mall_id, 'store_id' => $store_id]);
        return $merchant->getMchtCd();
    }

    /**
     * 设置子项分账数据
     *
     * @param TransAbstract $trans
     * @param integer $store_id
     * @param float $amount
     * @return void
     */
    public function setSplitBillItemData(
        TransAbstract $trans, int $store_id, float $amount
    )
    {
        if ($amount > 0) {
            $trans->setSplitBillItem(
                $this->getStoreMchtCd($store_id),
                $amount
            );
    
            $this->itemLog[] = array_merge(
                $trans->getSplitBillItem(),
                [
                    'store_id' => $store_id
                ]
            );
        }
    }

    /**
     * 设置银典收取的手续费
     *
     * @return void
     */
    protected function setYunfastFeeAmount()
    {
        $this->fee = round(bcmul($this->payment->amount, static::FEE, 3), 2);
    }

    /**
     * 获取分账之后剩下的金额（分给平台用）
     *
     * @return float
     */
    protected function getLeftAmount(SplitBillTrans $trans)
    {
        $totalAmount = array_sum(array_column($trans->getSplitBill(), 'item10'));
        return bcsub($this->getTotalAmount(), $totalAmount, 3);
    }

    /**
     * 获取一共可以分配的金额
     *
     * @return float
     */
    protected function getTotalAmount()
    {
        return bcsub($this->payment->amount, $this->fee, 2);
    }

    /**
     * 获取一个订单号
     *
     * @return string
     */
    protected function getOrderNo()
    {
        return 'BS' . date('YmdHis') . mt_rand(100, 999);
    }
}