<?php

namespace App\JsonRpc;

use App\Commons\Log;
use App\Constants\v3\ErrorCode;
use App\Constants\v3\LogLabel;
use App\Constants\v3\OrderState;
use App\Exception\ErrorCodeException;
use App\Model\v3\Order;
use App\Model\v3\OrderGoods;
use App\Model\v3\OrderMain;
use App\Model\v3\User;
use App\Service\v3\Interfaces\FinancialRecordServiceInterface;
use App\Service\v3\Interfaces\MiniprogramServiceInterface;
use App\Service\v3\Interfaces\OrderOnlineServiceInterface;
use App\Service\v3\Interfaces\SeparateAccountsServiceInterface;
use EasyWeChat\Factory;
use EasyWeChat\Kernel\Exceptions\InvalidConfigException;
use Hyperf\DbConnection\Db;
use Hyperf\Guzzle\CoroutineHandler;
use Hyperf\RpcServer\Annotation\RpcService;
use Hyperf\Di\Annotation\Inject;

/**
 * @RpcService(name="OrdersService", protocol="jsonrpc-http", server="jsonrpc-http", publishTo="")
 */
class OrdersService implements OrdersServiceInterface
{

    /**
     * @Inject
     * @var Log
     */
    protected $log;

    /**
     * @Inject
     * @var OrderOnlineServiceInterface
     */
    protected $orderOnlineService;

    /**
     * @Inject
     * @var SeparateAccountsServiceInterface
     */
    protected $separateAccountsService;

    /**
     * @Inject
     * @var FinancialRecordServiceInterface
     */
    protected $financialRecordService;

    /**
     * @Inject
     * @var \App\Service\v3\Interfaces\BadgeServiceInterface
     */
    protected $badgeService;

    /**
     * @Inject
     * @var MiniprogramServiceInterface
     */
    protected $miniprogramService;

    /**
     * 订单完成
     * @param $global_order_id
     * @param $user_id
     * @return array
     */
    public function onlineComplete($global_order_id, $user_id)
    {
        Db::beginTransaction();
        try {

            $this->orderOnlineService->doComplete($global_order_id, $user_id);
            $this->separateAccountsService->orderOnlineCompleted($global_order_id, $user_id);

            Db::commit();
            return [
                "status" => 200,
                "code" => 0,
                "result" => [],
                "message" => '处理成功'
            ];
        } catch (\Exception $e) {

            Db::rollBack();
            $this->log->event(LogLabel::ORDER_COMPLETE_LOG, ['jsonrpc_order_service_exception_onlineComplete' => $e->getMessage(), 'params' => json_encode([$global_order_id, $user_id])]);
            return [
                "status" => 200,
                "code" => $e->getCode() ?? ErrorCode::ORDER_COMPLETE_FAIL,
                "result" => [],
                "message" => $e->getMessage()
            ];
        }

    }

    /**
     * 线上订单退款，整个订单退，这个是专门用于处理用户的申请退款的同意退款操作
     * @param $global_order_id
     * @param $user_id
     * @return array
     */
    public function onlineRefund($global_order_id, $user_id)
    {
        try {
            $result = $this->orderOnlineService->doRefund($global_order_id, $user_id);

            return [
                "status" => 200,
                "code" => 0,
                "result" => [],
                "message" => '处理成功'
            ];
        } catch (\Exception $e) {
            return [
                "status" => 200,
                "code" => $e->getCode(),
                "result" => [],
                "message" => $e->getMessage()
            ];
        }

    }

    /**
     * 线上订单单笔退款，主要用于后台强行操作退单退款
     * 支持单商品、单店、整单
     * 按比例计算红包进行退款
     * 比如：两个子订单和子订单商品，分别是2元，98元，使用了10元优惠券
     * 退2元商品时，退款金额为
     * 红包 ：(2/（98+2）)*10 = 0.2
     * 退款：2-0.2=1.8元
     * @param $user_id         *用户ID
     * @param $global_order_id *全局总订单ID
     * @param $order_child_id  *主订单ID，
     * @param $order_goods_id  *订单商品ID
     * @param $note
     * @return array
     */
    public function onlineSingleRefund($user_id, $note, $global_order_id, $order_child_id='', $order_goods_id='')
    {

        Db::beginTransaction();
        try {

            $params = [
                'user_id' => $user_id,
                'note' => $note,
                'global_order_id' => $global_order_id,
                'order_child_id' => $order_child_id,
                'order_goods_id' => $order_goods_id,
            ];

            if (!$user_id || !$global_order_id || !$note) {
                $this->log->event(LogLabel::ORDER_REFUND_LOG, [
                    'jsonrpc_order_service_exception_onlineSingleRefund' => '参数不对',
                    'params' => json_encode($params)
                ]);
                throw new ErrorCodeException(ErrorCode::ORDER_REFUND_FAIL);
            }

            // 主订单
            $orderMain = OrderMain::query()
                ->where(['global_order_id' => $global_order_id, 'user_id' => $user_id])
                ->whereIn('state', array_merge(OrderState::CAN_REFUND_DIRECT, [OrderState::REFUNDED_DIRECT]))
                ->first();

            if (is_null($orderMain)) {
                $this->log->event(LogLabel::ORDER_REFUND_LOG, [
                    'jsonrpc_order_service_exception_onlineSingleRefund' => '订单不存在',
                    'params' => json_encode($params)
                ]);
                throw new ErrorCodeException(ErrorCode::ORDER_REFUND_FAIL);
            }

            // 子订单
            $orderChild = null;
            if ($order_child_id) {
                $orderChild = Order::query()->with('store')->where(['order_main_id' => $orderMain->global_order_id, 'id' => $order_child_id])->first();
            }

            // 订单商品
            $orderGoods = null;
            if ($order_goods_id) {
                if (!$order_child_id || is_null($orderChild)) {
                    $this->log->event(LogLabel::ORDER_REFUND_LOG, [
                        'jsonrpc_order_service_exception_onlineSingleRefund' => '子订单参数异常[单品]',
                        'params' => json_encode($params)
                    ]);
                    throw new ErrorCodeException(ErrorCode::ORDER_REFUND_FAIL);
                }

                $orderGoods = OrderGoods::query()
                    ->where(['order_id' => $orderChild->id, 'id' => $order_goods_id, 'status' => 1])
                    ->first();

                if (is_null($orderGoods)) {
                    $this->log->event(LogLabel::ORDER_REFUND_LOG, [
                        'jsonrpc_order_service_exception_onlineSingleRefund' => '订单商品参数异常[单品]',
                        'params' => json_encode($params)
                    ]);
                    throw new ErrorCodeException(ErrorCode::ORDER_REFUND_FAIL);
                }

            }
            $totalAmount = $orderMain->total_money; // 订单可退款金额，总订单金额不含配送费和服务费
            $preRefundAmount = 0; // 预退款金额
            $refundAmount = 0; // 实际退款金额
            $refundType = 'main'; // 退款类型， Main整单  Sub子单  Goods单品
            if ($orderGoods) { // 1. 如果订单商品存在则说明要退单品
                $preRefundAmount = bcmul($orderGoods->price, $orderGoods->number, 2);
                $refundType = 'goods';
            } elseif ($orderChild) { // 2. 否则如果存在子订单说明退子订单
                $preRefundAmount = $orderChild->money;
                $refundType = 'sub';
            } else { // 3. 再则如果存在主订单说明退主订单
                $preRefundAmount = $orderMain->total_money;
                $refundType = 'main';
            }

            // 占订单金额的比例
            $rate = bcdiv($preRefundAmount, $totalAmount, 6);
            // 计算优惠券所占金额
            $couponMoney = bcmul($orderMain->coupon_money, $rate, 6);
            // 计算本次退款实际退款金额
            $refundAmount = bcsub($preRefundAmount, $couponMoney, 2);

            if ($refundAmount <= 0) {
                $this->log->event(LogLabel::ORDER_REFUND_LOG, [
                    'jsonrpc_order_service_exception_onlineSingleRefund' => '没有可退款金额[实际退款金额]',
                    'params' => json_encode($params)
                ]);
                throw new ErrorCodeException(ErrorCode::ORDER_REFUND_FAIL);
            }

            // 开始退款
            $config = config('wxpay');
            $app = Factory::payment($config);
            $app['guzzle_handler'] = CoroutineHandler::class;
            $result = $app->refund->byOutTradeNumber(
                $orderMain->global_order_id,
                $orderMain->global_order_id.$order_child_id.$order_goods_id,
                bcmul($orderMain->money, 100, 0),
                bcmul($refundAmount, 100, 0),
                [
                    'refund_desc' => '订单协商退款[' . $refundType . ']',
                    'notify_url' => config('wechat.notify_url.refund_single'),
                ]
            );

            if ($result['return_code'] == 'FAIL') {
                $this->log->event(LogLabel::ORDER_REFUND_LOG, [
                    'jsonrpc_order_service_exception_onlineSingleRefund' => $result['return_msg'] . '[微信退款失败]',
                    'params' => json_encode($result)
                ]);
                throw new ErrorCodeException(ErrorCode::ORDER_REFUND_FAIL);
            }

            if ($result['result_code'] == 'FAIL') {
                $this->log->event(LogLabel::ORDER_REFUND_LOG, [
                    'jsonrpc_order_service_exception_onlineSingleRefund' => $result['err_code_des'] . '[微信退款失败]' . $result['err_code'],
                    'params' => json_encode($result)
                ]);
                throw new ErrorCodeException(ErrorCode::ORDER_REFUND_FAIL);
            }

            // 退款申请成功，查询退款状态，此处暂时无法传递和记录单品退的信息，所以直接查询退款状态处理，不做回调
            $refundResult = $app->refund->queryByRefundId($result['refund_id']);
            $this->log->event(LogLabel::ORDER_REFUND_LOG, [
                'jsonrpc_order_service_exception_onlineSingleRefund' => '[微信退款查询]',
                'params' => json_encode($refundResult)
            ]);

            // 退款成功
            if (
                !($refundResult['return_code'] == 'SUCCESS'
                && isset($refundResult['result_code'])
                && $refundResult['result_code'] == 'SUCCESS')
            ) {
                throw new ErrorCodeException(ErrorCode::ORDER_REFUND_FAIL);
            }

            $currentTime = time();
            // 处理订单状态
            $orderMain->state = OrderState::REFUNDED_DIRECT;
            $orderMain->total_refund_note = $note;
            $orderMain->refund_time = $currentTime;
            $orderMain->save();

            if ($refundType == 'sub') {
                $orderChild->status = 3;
                $orderChild->refund_note = $note;
                $orderChild->refund_time = $currentTime;
                $orderChild->save();
            }  elseif ($refundType == 'goods') {
                $orderGoods->status = 3;
                $orderGoods->refund_note = $note;
                $orderGoods->refund_time = $currentTime;
                $orderGoods->save();
            }

            // 处理用户和商户流水
            $orderChildren = [];
            if ($refundType == 'main') { # 整单退的话还得处理所有子订单的商户

                $orderChildren = Order::query()->with('store:user_id')->where(['order_main_id' => $orderMain->global_order_id])->get();
                foreach ($orderChildren as $key => &$order) {
                    // 占订单金额的比例
                    $rate = bcdiv($order->money, $totalAmount, 6);
                    // 计算优惠券所占金额
                    $couponMoney = bcmul($orderMain->coupon_money, $rate, 6);
                    // 计算本次退款实际退款金额
                    $refundStoreAmount = bcsub($order->money, $couponMoney, 2);
                    $this->financialRecordService->storeRefundDirect($order->store->user_id, $order->id, $refundStoreAmount);

                    $this->miniprogramService->subscribeMsgForSingleRefund($order->id, $refundStoreAmount, '', $note);
                }

            } elseif ($refundType == 'sub'||$refundType == 'goods') { # 退子订单或者退单品的话，商户只有一个
                $orderChildren = Order::query()->with('store:user_id')->where(['id' => $order_child_id])->get();
                $this->financialRecordService->storeRefundDirect($orderChild->store->user_id, $orderChild->id, $refundAmount);

                $orderGoodsId = $order_goods_id ?: '';
                $this->miniprogramService->subscribeMsgForSingleRefund($order_child_id, $refundAmount, $orderGoodsId, $note);
            }

            $this->financialRecordService->userRefundDirect($orderMain->user_id, $orderMain->global_order_id, $refundAmount);

            Db::commit();

            // 记录badge
            $orderChildIds = array_values(array_column($orderChildren->toArray(), 'store_id'));
            $this->badgeService->doByOrder($orderMain->user_id, $orderChildIds, $orderMain->global_order_id, OrderState::REFUNDED);

            return [
                "status" => 200,
                "code" => 0,
                "result" => [],
                "message" => '处理成功'
            ];

        } catch (\Exception $e) {
            Db::rollBack();
            return [
                "status" => 200,
                "code" => $e->getCode(),
                "result" => [],
                "message" => '[退款失败]'.$e->getMessage()
            ];
        }

    }

    /**
     * 配送开始的时候，管理后台点击配送并分配配送员
     * 做一些处理：
     * 1、发送订阅消息给用户
     * 2、发送订阅消息给骑手
     * @param $global_order_id
     */
    public function onlineDeliveryStart($global_order_id)
    {
        try {
            $this->miniprogramService->subscribeMsgForDeliveryStart($global_order_id);
            return [
                "status" => 200,
                "code" => 0,
                "result" => [],
                "message" => '处理成功'
            ];
        } catch (\Exception $e) {
            return [
                "status" => 200,
                "code" => $e->getCode(),
                "result" => [],
                "message" => $e->getMessage()
            ];
        }
    }
}