<?php

namespace common\components\delivery\platform\didi;

use biz\common\classes\GhsNotifyClass;
use biz\common\classes\HdNotifyClass;
use biz\shop\classes\ShopClass;
use bizGhs\express\classes\DeliveryAuthTokenClass;
use bizGhs\express\classes\GhsDeliveryOrderClass;
use bizHd\express\classes\HdDeliveryOrderClass;
use bizGhs\order\classes\OrderClass;
use bizHd\order\classes\OrderClass as HdOrderClass;
use bizHd\purchase\classes\PurchaseClass;
use common\components\delivery\services\adapter\Functions;
use common\components\noticeUtil;
use common\components\util;
use Yii;

/**
 * 滴滴回调处理类
 */
class CallBackHandler
{
    /**
     * 处理滴滴回调
     *
     * @param array $post 回调数据
     * @return bool|array 处理结果
     */
    public function handle($post)
    {
        try {
            // 验证签名 (如有需要请实现)
            if (!$this->verifySignature($post)) {
                Yii::error('滴滴回调签名验证失败', 'didi-callback');
                return false;
            }
            // 签名验证通过后会判断请求有效期， now - 2分钟 < timestamp < now + 2分钟 为有效区间内的请求
            $timeStamp = (int)($post['timeStamp']/1000);
            if ($timeStamp < time() - 120 || $timeStamp > time() + 120) {
                if(getenv('YII_ENV') == 'production'){
                    Yii::error('滴滴回调请求有效期验证失败', 'didi-callback');
                    noticeUtil::push('滴滴回调请求有效期验证失败 -- '.$post['logisticsParam']);
                    return false;
                }
            }
            $data = json_decode($post['logisticsParam'], true);

            // ----- 区分业务类型 -----
            // 订单详情查询: 包含 orderNo 和 outOrderNo (且不包含 status/updateTime)
            if (isset($data['orderNo']) && isset($data['outOrderNo'])) {
                return $this->queryOrderDetails($data);
            }

            // 订单状态变更: 包含 didiOrderNo, status, updateTime
            if (isset($data['didiOrderNo']) && isset($data['status'])) {
                return $this->processOrderCallback($data);
            }

            // 同步授权结果
            if (isset($data['authResult']) && isset($data['token']) && isset($data['thirdUid'])) {
                return $this->processAuthResult($data);
            }
            
            Yii::warning('滴滴回调未知类型: ' . json_encode($data, JSON_UNESCAPED_UNICODE), 'didi-callback');
            return false;

        } catch (\Exception $e) {
            Yii::error('滴滴回调处理异常: ' . $e->getMessage() . ' | ' . $e->getTraceAsString(), 'didi-callback');
            return false;
        }
    }

    /**
     * 查询订单详情 (返回给滴滴)
     * 
     * @param array $data
     * @return array
     */
    private function queryOrderDetails($data)
    {
        $didiOrderNo = $data['orderNo'];
        $outOrderNo = $data['outOrderNo'];
        $outOrderNo = Didi::getSystemOrder($outOrderNo); //还原为数据库中的订单号

        // 查找主订单
        $order = OrderClass::getByCondition(['orderSn' => $outOrderNo], true);
        $isGhs = true;

        if (!$order) {
            $order = HdOrderClass::getByCondition(['orderSn' => $outOrderNo], true);
            $isGhs = false;
        }

        if (!$order) {
            Yii::error('滴滴查询详情未找到对应订单: ' . $outOrderNo, 'didi-callback');
            // 返回空或错误信息? 根据协议，这里应该返回错误，但方法定义返回数组。
            // 暂时返回空数组或抛异常
            return [];
        }

        // 查找配送订单以获取 shopId
        $deliveryOrder = $this->getDeliveryOrder($order, $isGhs);
        if (!$deliveryOrder) {
            Yii::error('滴滴查询详情未找到配送订单: ' . $outOrderNo, 'didi-callback');
            return [];
        }

        // 获取店铺信息
        $shopId = isset($deliveryOrder->shopId) ? $deliveryOrder->shopId : 0;
        if (empty($shopId) && isset($order->shopId)) { // 尝试从订单获取
             $shopId = $order->shopId;
        }

        $shop = ShopClass::getById($shopId, false, 'id,merchantName,fullAddress,lat,long,city,dist,floor,mobile,address');
        if (!$shop) {
             Yii::error('滴滴查询详情未找到店铺: ' . $shopId, 'didi-callback');
             // 构造一个兜底的 shop 信息?
             $shop = [
                 'merchantName' => '未知店铺',
                 'mobile' => '',
                 'fullAddress' => '',
                 'lat' => 0,
                 'long' => 0,
                 'address' => '',
                 'floor' => ''
             ];
        }

        // 构造返回数据
        // 1. 发货人信息 (Location Info)
        $fromAddress = [
            'name' => $shop['merchantName'], //联系名称
            'poiName' => '', //地图获取的poi名称
            'poiAddress' => $shop['fullAddress'],//地图获取的地址信息
            'addressInfo' => $shop['floor'], //用户补充地址信息（门牌号等）
            'latitude' => (float)$shop['lat'],
            'longitude' => (float)$shop['long'],
            'phone' => $shop['mobile'],
            'virtualPhoneType' => 0,
        ];

        // 2. 收货人信息 (Location Info)
        $toAddress = [
            'name' => $order['customName'],
            'poiName' => '', //地图获取的poi名称
            'poiAddress' => $order['fullAddress'],
            'addressInfo' => $order['floor'],
            'latitude' => (float)$order['lat'],
            'longitude' => (float)$order['long'],
            'phone' => Functions::getMobile($order),
            'virtualPhoneType' => 0,
        ];

        // 3. 计算费用
        // 订单金额 (单位：分) - 这里取实际支付金额/商品金额
        $fee = (int)($order['actPrice'] * 100); 
        // 优惠金额 (单位：分)
        $prePrice = isset($order['prePrice']) ? $order['prePrice'] : $order['actPrice'];
        $discountFee = (int)(($prePrice - $order['actPrice']) * 100);
        if ($discountFee < 0) $discountFee = 0;

        // 重量 (单位：克)
        $weight = isset($order['weight']) ? (int)($order['weight'] * 1000) : 1000;

        Yii::info('滴滴订单返回成功', 'didi-callback');
        return [
            'didiOrderNo' => (int)$didiOrderNo, // Long
            'outOrderNo' => (string)$outOrderNo,
            'status' => $this->convertStatusToDidi($deliveryOrder->orderStatus), // 转换回滴滴状态? 或者直接返回当前状态
            'fromAddress' => $fromAddress,
            'toAddress' => $toAddress,
            'weight' => $weight,
            // 'size' => 0, // 非必填
            'goodsType' => 'FLOWER',
            'goodsPrice' => (int)($order['actPrice'] * 100), // 保价费物品价值
            'remark' => $order['remark'] ?? '',
            'fee' => $fee,
            'discountFee' => $discountFee,
        ];
    }

    /**
     * 处理订单回调
     */
    private function processOrderCallback($data)
    {
        $didiOrderNo = isset($data['didiOrderNo']) ? $data['didiOrderNo'] : '';
        $outOrderNo = isset($data['outOrderNo']) ? Didi::getSystemOrder($data['outOrderNo']) : ''; //还原为数据库中的订单号
        $didiStatus = isset($data['status']) ? $data['status'] : '';
        
        if (empty($outOrderNo)) {
             Yii::error('滴滴回调缺少outOrderNo', 'didi-callback');
             return false;
        }

        // 查找主订单 (假设 outOrderNo 为 orderSn)
        $order = OrderClass::getByCondition(['orderSn' => $outOrderNo], true);
        $isGhs = true;
        if (!$order) {
            $order = HdOrderClass::getByCondition(['orderSn' => $outOrderNo], true);
            $isGhs = false;
        }
        if (!$order) {
            Yii::error('滴滴回调未找到对应订单: ' . $outOrderNo, 'didi-callback');
            return false;
        }

        // 查找配送订单
        $deliveryOrder = $this->getDeliveryOrder($order, $isGhs);
        if (!$deliveryOrder) {
            Yii::error("滴滴配送订单不存在: orderSn={$outOrderNo}, isGhs={$isGhs}, ghsOrderId={$order->id}", 'didi-callback');
            return false;
        }

        // 更新 didiOrderNo
        if (!empty($didiOrderNo) && empty($deliveryOrder->orderId)) {
             $deliveryOrder->orderId = (string)$didiOrderNo;
        }

        $sendStatus = $this->convertOrderSendStatus($didiStatus);
        // 如果状态无法映射，则忽略
        if ($sendStatus === null) {
            return true; 
        }
        // 更新配送订单状态
        if ($didiStatus == 'SUBMIT_CHARGE') {
            $deliveryOrder->fee = $data['realTotalFee']; //真实支付总金额 -- 总金额-抵扣金额(status = SUBMIT_CHARGE时返回)
        }
        $deliveryOrder->orderStatus = $sendStatus;


        // 更新主订单
        if ($isGhs) {
            util::checkRepeatCommit('ghs_pt_' . $order->id . '_' . $didiStatus, 2);
            
            if ($order) {
                $cg = PurchaseClass::getById($order->purchaseId, true, 'id,status,sendStatus');
                // 已送达
                if ($sendStatus == 5) {
                    if($cg->status == 3){
                        OrderClass::confirmReach($order, ['staffId' => 0, 'staffName' => '']);
                    }else{
                        Yii::warning('进行确认送达时，采购单状态不为3，无法进行确认送达。orderId='.$order->id);
                        noticeUtil::push('进行确认送达时，采购单状态不为3，无法进行确认送达。orderId='.$order->id.', purchaseId='.$cg->id);
                    }
                }
                // 取消/异常 (且当前状态未取消)
                if (!in_array($order->sendStatus, [-2, -1]) && in_array($sendStatus, [-1, -2])) {
                    OrderClass::cancelOrderSend($order, ['staffId' => 0, 'staffName' => '']);
                    // 取消费用设置与保存
                    if($sendStatus == -1 && isset($data['cancelInfo']) && isset($data['cancelInfo']['cancelFee'])){
                        $deliveryOrder->cancelCost = $data['cancelCost']['cancelFee'];
                    }
                    $event = $this->cancelFrom($data);
                    GhsNotifyClass::ptErrorNotify($order->id, $event);
                }

                if ($cg) {
                    $cg->sendStatus = $sendStatus;
                    $cg->save();
                }

                $order->sendStatus = $sendStatus;
                // 转换主订单状态
                $orderStatus = $this->convertOrderStatus($didiStatus);
                if ($orderStatus !== null) {
                    $order->status = $orderStatus;
                }
                $order->save();
            }
        } else {
             // 零售订单处理
            util::checkRepeatCommit('hd_pt_' . $order->id . '_' . $didiStatus, 2);
            
            if (!in_array($order->sendStatus, [-2, -1]) && in_array($sendStatus, [-1, -2])) {
                // 取消费用设置与保存
                if($sendStatus == -1 && isset($data['cancelInfo']) && isset($data['cancelInfo']['cancelFee'])){
                    $deliveryOrder->cancelCost = $data['cancelCost']['cancelFee'];
                }
                $event = $this->cancelFrom($data);
                HdNotifyClass::ptErrorNotify($order->id, $event);
            }

            if ($order) {
                $order->sendStatus = $sendStatus;
                $orderStatus = $this->convertOrderStatus($didiStatus);
                if ($orderStatus !== null) {
                    $order->status = $orderStatus;
                }
                $order->save();
            }
        }

        $deliveryOrder->save();
        Yii::info('滴滴回调处理成功', 'didi-callback');

        return true;
    }

    /**
     * 同步授权结果
     * 使用场景
     * 当订单结算模式为用户余额时，需要接入该接口
     * 用户授权后，将用户token发送给接入方，后续接口调用都需要在参数中传递token
     * @param $data
     */
    private function processAuthResult($data)
    {
        // 1-成功 暂时只有成功时会回调
        if (!isset($data['authResult']) || $data['authResult'] != 1) {
            Yii::error('滴滴授权回调失败: ' . json_encode($data, JSON_UNESCAPED_UNICODE), 'didi-callback');
            noticeUtil::push('滴滴授权回调失败: ' . json_encode($data, JSON_UNESCAPED_UNICODE), 'didi-callback');
            return false;
        }

        $token = isset($data['token']) ? $data['token'] : '';
        $thirdUid = isset($data['thirdUid']) ? $data['thirdUid'] : '';

        if (empty($token) || empty($thirdUid)) {
            Yii::error('滴滴授权回调参数缺失: ' . json_encode($data, JSON_UNESCAPED_UNICODE), 'didi-callback');
            return false;
        }

        $mainId = (int)$thirdUid;
        
        // 查找或更新Token
        $condition = ['mainId' => $mainId, 'platform' => 'didi'];
        $dat = DeliveryAuthTokenClass::getByCondition($condition, true);

        if ($dat) {
            //DeliveryAuthTokenClass::updateById($existing['id'], $saveData);
            $dat->accessToken = $token;
            $dat->save();
        } else {
            // $saveData = [
            //     'mainId' => $mainId,
            //     'platform' => 'didi',
            //     'accessToken' => $token,
            // ];
            // $saveData['createTime'] = date('Y-m-d H:i:s');
            // DeliveryAuthTokenClass::add($saveData);
            Yii::error('滴滴授权回调未找到对应授权信息: ' . json_encode($data, JSON_UNESCAPED_UNICODE), 'didi-callback');
            noticeUtil::push('滴滴授权回调未找到对应授权信息: ' . json_encode($data, JSON_UNESCAPED_UNICODE), 'didi-callback');
            return false;
        }
        Yii::info("滴滴授权成功 mainId:{$mainId}", 'didi-callback');

        // 获取店铺手机号
        $shop = ShopClass::getByCondition(['mainId'=>$mainId, 'ptStyle'=>2], false, false, 'id,mobile,telephone');
        $phone = ($shop) ? $shop['mobile'] : $shop['telephone'];

        return [
            'phone' => (string)$phone
        ];
    }

    /**
     * @param $order
     * @param $isGhs
     * @return mixed|\yii\db\ActiveRecord|null
     */
    private function getDeliveryOrder($order, $isGhs)
    {
        if ($isGhs) {
             $gdos = GhsDeliveryOrderClass::getAllByCondition([
                'deliveryId' => 'didi',
                'ghsOrderId' => $order->id,
                'orderStatus' => ['not in', [-1, -2]],
            ], 'id DESC', '*', null, true);
            if(count($gdos)>=2){
                noticeUtil::push("xhGhsDeliveryOrder ghsOrderId={$order->id} 有两笔以上是在配送中");
                $gdo = $gdos[0];
            }elseif(count($gdos)==1){
                $gdo = $gdos[0];
            }else{
                $gdo = null;
            }
            return $gdo;
        } else {
            $hdos = HdDeliveryOrderClass::getAllByCondition([
                'deliveryId' => 'didi',
                'hdOrderId' => $order->id,
                'orderStatus!=' => -1
            ], 'id DESC', '*', null, true);
            if(count($hdos)>=2){
                noticeUtil::push("xhHdDeliveryOrder hdOrderId={$order->id} 有两笔以上是在配送中");
                $hdo = $hdos[0];
            }elseif(count($hdos)==1){
                $hdo = $hdos[0];
            }else{
                $hdo = null;
            }
            return $hdo;
        }
    }

    private function verifySignature($data)
    {
        $didi = new Didi();
        $logisticsParam = $data['logisticsParam'];
        $sign = $didi->generateSignature($logisticsParam, $data['timeStamp']);
        return $sign === $data['appSign'];
    }

    private function convertOrderSendStatus($didiStatus)
    {
        $map = [
            'DRIVER_ACCEPT' => 3,       // 司机接单 -> 待取货
            'PAIRED_DRIVER' => 20,      // 发单成功，匹配司机中 -> 已分配骑手
            'ARRIVED_FROM_ADDRESS' => 30, // 到达起点 -> 骑手已到店
            'LEAVE_FROM_ADDRESS' => 4,  // 已取货 -> 配送中
            'ARRIVED_TO_ADDRESS' => 4,  // 到达终点 -> 配送中
            'SERVICE_FINISH' => 4,      // 结束服务
            'SUBMIT_CHARGE' => 4,       // 司机提交费用
            'COMPLETED' => 5,           // 已完成 -> 已送达
            'CANCEL' => -1,             // 已取消
        ];
        return isset($map[$didiStatus]) ? $map[$didiStatus] : null;
    }

    private function convertOrderStatus($didiStatus)
    {
         // 对应 OrderClass 的 status
         // 3: 配送中, 4: 已完成
         $map = [
             'PAIRED_DRIVER' => 3, //发单成功，匹配司机中
             'DRIVER_ACCEPT' => 3, //司机接单
             'ARRIVED_FROM_ADDRESS' => 3,
             'LEAVE_FROM_ADDRESS' => 3,
             'ARRIVED_TO_ADDRESS' => 3,
             //'SERVICE_FINISH' => 4,
             //'SUBMIT_CHARGE' => 4,
             'COMPLETED' => 4,
         ];
         return isset($map[$didiStatus]) ? $map[$didiStatus] : null;
    }

    /**
     * 将系统状态转换为滴滴状态 (用于订单详情查询)
     * 这里只能做近似映射，因为系统状态比滴滴状态少
     */
    private function convertStatusToDidi($sendStatus)
    {
        $map = [
            20 => 'DRIVER_ACCEPT',
            2 => 'PAIRED_DRIVER',
            30 => 'ARRIVED_FROM_ADDRESS',
            4 => 'LEAVE_FROM_ADDRESS', // or ARRIVED_TO_ADDRESS
            5 => 'COMPLETED',
            -1 => 'CANCEL',
            -2 => 'CANCEL', // 异常也暂视为取消? 或没有对应
        ];
        return isset($map[$sendStatus]) ? $map[$sendStatus] : 'WAIT_ACCEPT';
    }

    private function cancelFrom($data)
    {
        if (!isset($data['cancelInfo'])) {
            return '未知原因';
        }

        $info = $data['cancelInfo'];
        $sourceMap = [
            1 => '用户',
            2 => '司机',
            3 => '客服',
            4 => '系统'
        ];
        $source = isset($sourceMap[$info['cancelSource']]) ? $sourceMap[$info['cancelSource']] : '未知';
        $reason = isset($info['cancelReason']) ? $info['cancelReason'] : '';
        return "{$source}-取消: {$reason}";
    }
}