<?php

namespace App\Services;

use App\Components\Helpers;
use App\Models\Order;
use App\Models\ReferralLog;
use App\Models\User;
use Cache;
use DB;
use Log;


class OrderService
{
    public static $order;
    public static $user;
    public static $goods;
    public static $payment;

    public function __construct(Order $order)
    {
        // 获取需要的信息
        self::$order = $order;
        self::$user = $order->user;
        self::$goods = $order->goods;
        self::$payment = $order->payment;
    }

    // 支付成功后处理
    public function receivedPayment(): bool
    {
        if (self::$payment) {// 是否为余额购买套餐
            if (self::$payment->status === 1) {// 已处理
                return true;
            }
            self::$payment->complete();

            // 余额充值
            if (self::$order->goods_id === 0 || self::$order->goods_id === null) {
                return $this->chargeCredit();
            }
        }

        $goods = self::$order->goods;
        switch ($goods->type) {// 商品为流量或者套餐
            case 1:// 流量包
                $this->activatePackage();
                break;
            case 2:// 套餐

                if ($this->dactivatePlan()) {
                    // 仅在 dactivatePlan 成功执行后，计算佣金
                    $this->setCommissionExpense(self::$user); // 返利
                } else {
                    Log::warning('【处理订单】出现错误');
                }


//                if (Order::userActivePlan(self::$user->id)->where('id', '<>', self::$order->id)->exists()) {// 判断套餐是否直接激活
//                    $this->setPrepaidPlan();
//                } else {
//                    $this->activatePlan();
//                }

                break;
            default:
                Log::warning('【处理订单】出现错误-未知套餐类型');
        }

        return true;
    }

    // 余额充值
    private function chargeCredit(): bool
    {
        $credit = self::$user->credit;
        $ret = self::$user->updateCredit(self::$order->origin_amount);
        // 余额变动记录日志
        if ($ret) {
            Helpers::addUserCreditLog(self::$order->user_id, self::$order->id, $credit, self::$user->credit, self::$order->amount, '用户通过'.self::$order->pay_way.'充值余额');
        }

        return $ret;
    }

    // 激活流量包
    private function activatePackage(): bool
    {
        $goodsTraffic = self::$goods->traffic * MB;
        $flow = false;

        // 用户的剩余流量
        $totalTransfer = self::$user->transfer_enable;
        $usedTransfer = self::$user->u + self::$user->d;
        $unusedTraffic = $totalTransfer - $usedTransfer; // 计算剩余流量

        Log::info("用户: ".self::$user->email." 当前操作: 加油包激活"
            ." | 加油包流量: ".flowAutoShow($goodsTraffic)
            ." | 用户剩余流量: ".flowAutoShow($unusedTraffic)
            ." | 用户总流量: ".flowAutoShow($totalTransfer)
        );

        // 如果剩余流量为负数，将其设置为0
        if ($unusedTraffic < 0) {
            $unusedTraffic = 0;
        }

        // 用户的使用流量超过总流量
        if ($unusedTraffic == 0 || $unusedTraffic > $totalTransfer) {
            $flow = true;
            Log::info("用户: ".self::$user->email." 购买加油包，流量超限处理"
                ." | 加油包流量: ".flowAutoShow($goodsTraffic)
                ." | 用户剩余流量: ".flowAutoShow($unusedTraffic)
                ." | 用户总流量: ".flowAutoShow($totalTransfer)
            );
        } else {
            $goodsTraffic += $totalTransfer;
        }

        Log::info("用户: ".self::$user->email." 加油包处理完成"
            ." | 到期时间: ".self::$user->expired_at
            ." | 更新后流量: ".flowAutoShow($goodsTraffic)
            ." | 用户总流量: ".flowAutoShow($totalTransfer)
        );

        $updateData = [
            'transfer_enable' => $goodsTraffic,
        ];

        if ($flow) {
            $updateData['u'] = 0;
            $updateData['d'] = 0;
        }

        $ret = self::$user->update($updateData);

        // 使用 var_export 导出数组并将其拼接到日志消息中
        $exportedData = var_export($updateData, true);

        if ($ret) {
            Log::info("用户: ".self::$user->email." 更新成功"
                ." | 更新前流量: ".flowAutoShow($totalTransfer)
                ." | 更新后流量: ".flowAutoShow($goodsTraffic)
                ." | 更新内容: " . $exportedData
            );

            return Helpers::addUserTrafficModifyLog(
                self::$order->user_id,
                self::$order->id,
                self::$user->transfer_enable - self::$goods->traffic * MB,
                self::$user->transfer_enable,
                '['.self::$order->pay_way.'] 加上用户购买的套餐流量'
            );
        } else {
            Log::error("用户: ".self::$user->email." 更新失败"
                ." | 尝试更新内容: " . $exportedData
            );
        }

        return false;
    }

    // 设置预支付套餐
    private function setPrepaidPlan(): bool
    {
        self::$order->status = 3; // 3为预支付
        $oldData = self::$user->transfer_enable;


        // 预支付订单, 刷新账号有效时间用于流量重置判断
        return self::$order->save()
            && self::$user->update(['expired_at' => date('Y-m-d H:i:s', strtotime(self::$user->expired_at.' +'.self::$goods->days.' days'))]);
    }

    // 激活套餐
    private function dactivatePlan(): bool
    {


        Order::whereId(self::$order->id)->update(['status'=>2,'expired_at' => date('Y-m-d H:i:s', strtotime('+'.self::$goods->days.' days'))]);
        $oldData = self::$user->transfer_enable;

        $expired_at = self::$user->expired_at;
        //如果用户到期 就用当前时间增加....
        if (self::$user->expired_at >= date('Y-m-d H:i:s')){
            $expired_at = date('Y-m-d H:i:s', strtotime("$expired_at +".self::$goods->days.' days'));
        }
        else {
            $expired_at = date('Y-m-d H:i:s', strtotime(' +'.self::$goods->days.' days'));
        }

        Log::info('购买用户'.self::$user->email.'到期时间'.self::$user->expired_at."修改时间".$expired_at);


        foreach (Order::userPrepay(self::$order->user_id)->get() as $paidOrder) {//拿出可能存在的其余套餐, 推算最新的到期时间
            //取出对应套餐信息
            $expired_at = date('Y-m-d H:i:s', strtotime("$expired_at +".$paidOrder->goods->days.' days'));
        }

        //账号流量重置日期
        $nextResetTime = $expired_at;
        if ($nextResetTime >= self::$user->expired_at) {
            $nextResetTime = null;
        }
        //用户的 剩余流量
        $totalTransfer = self::$user->transfer_enable;
        $usedTransfer = self::$user->u + self::$user->d;
        $unusedTraffic = $totalTransfer - $usedTransfer; // 计算剩余流量

        // 如果剩余流量为负数，将其设置为0
        if ($unusedTraffic < 0) {
            $unusedTraffic = 0;
        }


        $googstraffic = self::$goods->traffic * MB;

        // 套餐流量加上剩余流量
        $countt = $googstraffic + $unusedTraffic;

        Log::info('用户购买'.self::$user->email.'到期时间'.self::$user->expired_at."流量".flowAutoShow($countt)."剩余流量".flowAutoShow($unusedTraffic));

        $updateData = [
            'invite_num' => self::$user->invite_num + (self::$goods->invite_num ?: 0),
            'level' => self::$goods->level,
            'enable' => 1,
            'expired_at' => $expired_at,
            'reset_time' => $nextResetTime,
            'transfer_enable' =>  $countt,
            'd' => 0,
            'u' => 0
        ];

        // 无端口用户 添加端口
        if (self::$user->port === null || self::$user->port === 0) {
            $updateData['port'] = 0;
        }

        $ret = self::$user->update($updateData);
        //$ret = self::$user->update(array_merge($this->resetTimeAndData(), $updateData));
        if ($ret) {
            return Helpers::addUserTrafficModifyLog(
                self::$order->user_id,
                self::$order->id,
                $oldData,
                self::$user->transfer_enable,
                '【'.self::$order->pay_way.'】加上用户购买的套餐流量'
            );
        }

        return false;
    }

    // 计算下次重置与账号过期时间
    public function resetTimeAndData($expired_at = null): array
    {
        $data = ['u' => 0, 'd' => 0];
        // 账号有效期
        if (! $expired_at) {
            $expired_at = date('Y-m-d H:i:s', strtotime('+'.self::$goods->days.' days'));
            foreach (Order::userPrepay(self::$order->user_id)->get() as $paidOrder) {//拿出可能存在的其余套餐, 推算最新的到期时间
                //取出对应套餐信息
                $expired_at = date('Y-m-d H:i:s', strtotime("$expired_at +".$paidOrder->goods->days.' days'));
            }
            $data['expired_at'] = $expired_at;
        }

        //账号流量重置日期
        $nextResetTime = date('Y-m-d H:i:s', strtotime('+'.self::$goods->period.' days'));
        if ($nextResetTime >= $expired_at) {
            $nextResetTime = null;
        }

        return array_merge($data, [
            'transfer_enable' => self::$goods->traffic * MB,
            'reset_time' => $nextResetTime,
        ]);
    }

    // 佣金计算
    private function setCommissionExpense(User $user): bool
    {
        $referralType = sysConfig('referral_type');

        if ($referralType && $user->inviter_id) {
            $inviter = $user->inviter;
            $referral = ReferralLog::whereInviteeId(self::$order->user_id)->doesntExist();

            DB::beginTransaction();
            try {
                if ($referral && sysConfig('is_invite_register')) {
                    $inviter->update(['invite_num' => $inviter->invite_num + 1]);
                }

                if ($referralType == 2 || $referral) {
                    $this->addReferralLog(
                        $user->id,
                        $inviter->id,
                        self::$order->id,
                        self::$order->amount,
                        self::$order->amount * sysConfig('referral_percent')
                    );
                }

                DB::commit();
            } catch (\Exception $e) {
                DB::rollBack();
                Log::error("Failed to set commission expense", [
                    'exception' => $e->getMessage(),
                    'userid' => $user->id,
                    'orderId' => self::$order->id
                ]);
                return false;
            }
        }
        return true;
    }

    /**
     * 添加返利日志.
     *
     * @param  int  $inviteeId  用户ID
     * @param  int  $inviterId  返利对象ID
     * @param  int  $oid  订单ID
     * @param  int  $amount  发生金额
     * @param  int  $commission  返利金额
     *
     * @return bool
     */
    private function addReferralLog(int $inviteeId, int $inviterId, int $oid, int $amount, int $commission): bool
    {
//        $log = new ReferralLog();
//        $log->invitee_id = $inviteeId;
//        $log->inviter_id = $inviterId;
//        $log->order_id = $oid;
//        $log->amount = $amount;
//        $log->commission = $commission;
//
//        return $log->save();

        try {
            $log = new ReferralLog();
            $log->invitee_id = $inviteeId;
            $log->inviter_id = $inviterId;
            $log->order_id = $oid;
            $log->amount = $amount;
            $log->commission = $commission;

            return $log->save();
        } catch (\Exception $e) {
            // 记录错误日志，包括异常信息和相关数据
            Log::error("Failed to add referral log", [
                'exception' => $e->getMessage(),
                'userid' => $inviteeId,
                'inviterId' => $inviterId,
                'orderId' => $oid,
                'amount' => $amount,
                'commission' => $commission
            ]);
            return false;
        }
    }

    // 激活预支付套餐
    public function activatePrepaidPlan(): bool
    {
        self::$order->update([
            'expired_at' => date('Y-m-d H:i:s', strtotime('+'.self::$goods->days.' days')),
            'status' => 2,
        ]);

        return $this->activatePlan();
    }
}