<?php

namespace app\common\Service;

use app\common\Enum\GoodsEnum;
use app\common\model\Order;
use app\common\model\OrderGoods;
use app\common\model\Address;
use app\common\model\UserCoupon;
use app\common\model\Goods;
use app\common\model\Sku;
use app\common\model\Freight;
use think\Db;
use think\Exception;
use app\common\model\OrderAddress;
use app\common\Enum\OrderEnum;
use app\common\exception\BusinessException;
use app\common\Service\Order\OrderActionService;
use app\common\Enum\OrderActionEnum;
use app\common\Service\SkuSpec;
use app\common\Service\ParentOrderService;
use app\common\Service\DiscountService;
/**
 * 订单服务类
 * 封装订单创建相关逻辑
 * 
 * 新增功能：
 * - createSingleGoodsOrders(): 创建单商品订单，一个商品一个订单
 * 
 * 使用示例：
 * 
 * // 创建单商品订单（一个商品一个订单）
 * $goodsList = [
 *     ['goods_id' => 1, 'goods_sku_id' => 10, 'nums' => 2],
 *     ['goods_id' => 2, 'goods_sku_id' => 20, 'nums' => 1],
 *     ['goods_id' => 3, 'goods_sku_id' => 30, 'nums' => 3]
 * ];
 * $orders = OrderService::createSingleGoodsOrders($addressId, $userId, $goodsList, $userCouponId, $remark);
 * // 返回3个订单对象的数组，每个商品对应一个订单
 * 
 * // 创建传统订单（多商品合并为一个订单）
 * $order = OrderService::createOrder($addressId, $userId, $goodsList, $userCouponId, $remark);
 * // 返回1个包含所有商品的订单对象
 */
class OrderService
{
    /**
     * 订单金额
     * @var array
     */
    protected static $orderPrice = [
        'amount'                     => 0, //订单应付金额
        'goods_price'                => 0, //商品总费用
        'goods_num'                  => 0, //商品数量
        'discount_fee'               => 0, //优惠金额
        'coupon_discount_fee'        => 0, //优惠券金额
        'promo_discount_fee'         => 0, //营销金额
        'total_discount_amount'      => 0, //总优惠
        'order_amount'               => 0, //订单金额
        'pay_amount'                 => 0, //实际付款金额
        'pay_original_amount'        => 0, //原始支付金额
        'pay_remain_amount'          => 0, //剩余支付金额
        'express_fee'                => 0, //配送费用
        'activity_discount_amount'   => 0, //活动折扣金额（新增）
        'goods_original_price'       => 0, //商品原价总额（新增）
        'order_snapshot'             => null, //订单快照，记录折扣等详细信息
    ];

    /**
     * 初始化订单价格
     * @return array
     */
    protected static function initOrderPrice()
    {
        return [
            'amount'                     => 0, //订单应付金额
            'goods_price'                => 0, //商品总费用
            'goods_num'                  => 0, //商品数量
            'discount_fee'               => 0, //优惠金额
            'coupon_discount_fee'        => 0, //优惠券金额
            'promo_discount_fee'         => 0, //营销金额
            'total_discount_amount'      => 0, //总优惠
            'order_amount'               => 0, //订单金额
            'pay_amount'                 => 0, //实际付款金额
            'pay_original_amount'        => 0, //原始支付金额
            'pay_remain_amount'          => 0, //剩余支付金额
            'express_fee'                => 0, //配送费用
            'activity_discount_amount'   => 0, //活动折扣金额（新增）
            'goods_original_price'       => 0, //商品原价总额（新增）
            'order_snapshot'             => null, //订单快照，记录折扣等详细信息
        ];
    }

        /**
     * 根据商品列表计算订单明细
     * @param array $orderInfo 订单基础信息
     * @param array $goods_list 商品列表
     * @param int $user_id 用户ID
     * @param int $area_id 地区ID
     * @param int $user_coupon_id 优惠券ID
     * @return array
     * @throws      
     */
    protected static function computeGoods(&$orderInfo, $goodsList, $userId, $areaId, $userCouponId = 0)
    {
        // 初始化订单价格
        $orderPrice = self::initOrderPrice();
        foreach ($orderPrice as $key => $value) {
            $orderInfo[$key] = $value;
        }
        $orderItem = [];
        $shippingTemp = [];
        $userCoupon = null;
        $processedGoodsList = []; // 处理后的商品列表，避免与参数$goodsList冲突
        // 校验优惠券
        if ($userCouponId) {
            $userCouponModel = new UserCoupon();
            $userCoupon = $userCouponModel->checkUserOrUse($userCouponId, $userId);
            $orderInfo['user_coupon_id'] = $userCouponId;
        }

        // 提取所有商品ID和SKU ID，进行批量查询
        $goodsIds = array_column($goodsList, 'goods_id');
        $skuIds = [];
        foreach ($goodsList as $index => $item) {
            if (isset($item['goods_sku_id']) && $item['goods_sku_id'] > 0) {
                $skuIds[] = $item['goods_sku_id'];
            }
        }

        // 批量查询商品信息
        $goodsData = [];
        if (!empty($goodsIds)) {
            $goodsModel = new Goods();
            $goodsCollection = $goodsModel->with(['brand'])
                ->where('id', 'in', $goodsIds)
                ->where('status', GoodsEnum::STATUS_ON_SALE)
                ->select();
            foreach ($goodsCollection as $goods) {
                $goodsData[$goods->id] = $goods;
            }
        }

        // 批量查询SKU信息
        $skuData = [];
        $multiSpecSkuIds = []; // 用于存储多规格商品的SKU ID
        if (!empty($skuIds)) {
            $skuModel = new Sku();
            $skuCollection = $skuModel->where('id', 'in', $skuIds)->select();
            foreach ($skuCollection as $sku) {               
                $skuData[$sku->id] = $sku;
                // 过滤出有规格值的SKU ID（spec_value_ids不为空）
                if (!empty($sku->spec_value_ids)) {
                    $multiSpecSkuIds[] = $sku->id;
                }
            }
        }
        // 批量查询规格属性字符串（只查询多规格商品的SKU）
        $skuAttrData = [];
        if (!empty($multiSpecSkuIds)) {
            $skuAttrData = SkuSpec::getSkuAttrs($multiSpecSkuIds);
        }

        // 批量查询商品的折扣信息
        $goodsDiscountData = [];
        $orderSnapshotData = []; // 用于收集订单快照信息
        if (!empty($goodsIds)) {
            $goodsDiscountData = DiscountService::getBatchGoodsDiscountInfo($goodsIds);
        }
        // echo "<pre>";
        // print_r($goodsDiscountData);
        // echo "</pre>";
        // exit;
        // 验证并构建商品数据
        foreach ($goodsList as $item) {
            $goods_id = $item['goods_id'];
            $goods_sku_id = $item['goods_sku_id']; // 现在所有商品都应该有SKU ID
            $nums = $item['nums'];

            if ($nums <= 0) {
                throw new BusinessException("商品数量必须大于0");
            }

            // 检查商品是否存在
            if (!isset($goodsData[$goods_id])) {
                throw new BusinessException("商品已下架");
            }
            $goods = $goodsData[$goods_id];

            // 所有商品都必须有SKU（包括单规格商品的默认SKU）
            if (empty($skuData) || !isset($skuData[$goods_sku_id])) {
                throw new BusinessException("商品规格不存在");
            }
            $sku = $skuData[$goods_sku_id];
            
            // 验证SKU是否属于该商品
            if ($sku->goods_id != $goods_id) {
                throw new BusinessException("商品规格不匹配");
            }
            
            // 获取规格属性字符串（单规格商品的sku_attr为空）
            $sku_attr = $skuAttrData[$goods_sku_id] ?? '';

            // 构建商品对象，模拟购物车数据结构
            $goodsItem = (object)[
                'goods_id' => $goods_id,
                'goods_sku_id' => $goods_sku_id,
                'nums' => $nums,
                'goods' => $goods,
                'sku' => $sku,
                'sku_attr' => $sku_attr
            ];

            $processedGoodsList[] = $goodsItem;
        }
    
        // 计算商品价格和运费（统一使用SKU进行计算）
        foreach ($processedGoodsList as $item) {
            $goodsItemData = [];
            
            if (empty($item->goods) || empty($item->sku)) {
                throw new BusinessException("商品已下架");
            }
            
            // 库存验证（统一使用SKU库存）
            if ($item->sku->stocks < $item->nums) {
                throw new BusinessException("商品库存不足，请重新修改数量");
            }
            
            // 获取商品折扣信息
            $discountInfo = null;
            $actualPrice = $item->sku->price; // 默认使用原价
            $originalPrice = $item->sku->price;
            
            if (isset($goodsDiscountData[$item->goods_id])) {
                // 查找对应SKU的折扣信息
                foreach ($goodsDiscountData[$item->goods_id] as $discount) {
                    if ($discount['sku_id'] == $item->sku->id) {
                        $discountInfo = $discount;
                        $actualPrice = $discount['discount_price']; // 使用折扣价格
                        break;
                    }
                }
            }
            
            // 计算金额
            $amount = bcmul($actualPrice, $item->nums, 2); // 使用实际价格计算
            $originalAmount = bcmul($originalPrice, $item->nums, 2); // 原价总额
            
            // 统一使用SKU数据进行计算
            $goodsItemData['image'] = !empty($item->sku->image) ? $item->sku->image : $item->goods->image;
            $goodsItemData['price'] = $actualPrice; // 使用实际价格（折扣价或原价）
            $goodsItemData['original_price'] = $originalPrice; // 原价
            $goodsItemData['sku_sn'] = $item->sku->sku_sn;
            $goodsItemData['discount_info'] = $discountInfo; // 折扣信息
            
            $goodsItemData['amount'] = $amount;
            $goodsItemData['original_amount'] = $originalAmount;
            
            // 订单应付金额
            $orderInfo['amount'] = bcadd($orderInfo['amount'], $amount, 2);
            // 商品总价 
            $orderInfo['goods_price'] = bcadd($orderInfo['goods_original_price'], $originalAmount, 2);;
            // 商品原价总额
            $orderInfo['goods_original_price'] = bcadd($orderInfo['goods_original_price'], $originalAmount, 2);
            // 商品数量累计
            $orderInfo['goods_num'] += $item->nums;
            
            // 活动折扣金额累计
            if ($discountInfo) {
                $discountAmount = bcsub($originalAmount, $amount, 2);
                $orderInfo['activity_discount_amount'] = bcadd($orderInfo['activity_discount_amount'], $discountAmount, 2);
                
                // 收集折扣信息到订单快照
                $orderSnapshotData['discount_activities'][] = [
                    'goods_id' => $item->goods_id,
                    'goods_title' => $item->goods->title,
                    'sku_id' => $item->sku->id,
                    'sku_attr' => $item->sku_attr,
                    'activity_id' => $discountInfo['activity_id'],
                    'activity_name' => $discountInfo['activity_name'],
                    'original_price' => $originalPrice,
                    'discount_price' => $actualPrice,
                    'discount' => $discountInfo['discount'],
                    'discount_amount' => $discountAmount,
                    'quantity' => $item->nums,
                    'total_discount_amount' => $discountAmount,
                ];
            }

            $freight_id = $item->goods->express_template_id;
            // 计算邮费【合并运费模板】
            if (!isset($shippingTemp[$freight_id])) {
                $shippingTemp[$freight_id] = [
                    'nums'   => $item->nums,
                    'weight' => $item->sku->weight,
                    'amount' => $amount
                ];
            } else {
                $shippingTemp[$freight_id] = [
                    'nums'   => bcadd($shippingTemp[$freight_id]['nums'], $item->nums, 2),
                    'weight' => bcadd($shippingTemp[$freight_id]['weight'], $item->sku->weight, 2),
                    'amount' => bcadd($shippingTemp[$freight_id]['amount'], $amount, 2)
                ];
            }
            
            // 创建订单商品数据 (基于正确的表结构)
            $orderItemData = [
                'user_id'              => $userId,
                'order_sn'             => '', // 将在订单创建后补充
                'goods_sn'             => $item->goods->goods_sn ?: '', // 商品货号
                'sku_sn'               => $item->sku->sku_sn ?: '', // SKU编号
                'goods_type'           => $item->goods->type ?: 0, // 商品类型
                'goods_id'             => $item->goods->id,
                'goods_sku_attr'       => $item->sku_attr,
                'goods_spec_value_ids' => $item->sku->spec_value_ids,
                'goods_sku_id'         => $item->sku->id,
                'goods_title'          => $item->goods->title,
                'goods_market_price'   => $item->sku->market_price ?: 0, // 市场价
                'goods_original_price' => $originalPrice, // 商品原价
                'goods_price'          => $amount, // 实付金额（折扣价）
                'goods_image'          => $goodsItemData['image'],
                'goods_weight'         => $item->sku->weight ?: 0,
                'nums'                 => $item->nums,
                'sale_status'          => 0, // 销售状态:0=待申请
                'comment_status'       => 0, // 评论状态:0=未评论
                'status'               => 1, // 状态
                'supplier_id'          => $item->goods->supplier_id ?: 0,
                'inspection_type_id'   => $item->goods->inspection_type_id ?: 0,
            ];
            
            // 如果有折扣信息，记录活动相关信息
            // if ($discountInfo) {
            //     $orderItemData['activity_id'] = $discountInfo['activity_id'] ?? 0;
            //     $orderItemData['activity_name'] = $discountInfo['activity_name'] ?? '';
            //     $orderItemData['discount_amount'] = bcsub($originalAmount, $amount, 2);
            // }
            
            $orderItem[] = $orderItemData;
        }
    
        // 按运费模板计算
        foreach ($shippingTemp as $key => $item) {
            $shippingfee = Freight::calculate($key, $areaId, $item['nums'], $item['weight'], $item['amount']);
            $orderInfo['express_fee'] = bcadd($orderInfo['express_fee'], $shippingfee, 2);
        }

        // 订单金额(商品价格+运费)
        $orderInfo['order_amount'] = bcadd($orderInfo['goods_price'], $orderInfo['express_fee'], 2);
        // 订单应付金额(暂时等于订单金额，后续会减去优惠)
        $orderInfo['amount'] = $orderInfo['order_amount'];

        // if (!empty($userCoupon)) {
        //     // 校验优惠券
        //     $goods_ids = array_column($orderItem, 'goods_id');
        //     $category_ids = array_column($orderItem, 'category_id');
        //     $brand_ids = array_column($orderItem, 'brand_id');
        //     $couponModel = new Coupon();
        //     $coupon = $couponModel->getCoupon($userCoupon['coupon_id'])
        //         ->checkCoupon()
        //         ->checkOpen()
        //         ->checkUseTime($userCoupon['createtime'])
        //         ->checkConditionGoods($goods_ids, $userId, $category_ids, $brand_ids);

        //     // 计算折扣金额，判断是使用不含运费，还是含运费的金额
        //     $amount = !isset($config['shippingfeecoupon']) || $config['shippingfeecoupon'] == 0 ? $orderInfo['goods_price'] : $orderInfo['order_amount'];
        //     list($new_money, $coupon_money) = $coupon->doBuy($amount);

        //     // 判断优惠金额是否超出总价，超出则直接设定优惠金额为总价
        //     $orderInfo['coupon_discount_fee'] = $coupon_money > $amount ? $amount : $coupon_money;
        //     $orderInfo['discount_fee'] = $orderInfo['coupon_discount_fee'];
        // }

        // 汇总所有折扣金额
        $orderInfo['discount_fee'] = bcadd($orderInfo['activity_discount_amount'], $orderInfo['coupon_discount_fee'], 2);
        $orderInfo['promo_discount_fee'] = $orderInfo['activity_discount_amount']; // 营销金额 = 活动折扣金额
        $orderInfo['total_discount_amount'] = $orderInfo['discount_fee']; // 总优惠金额
        
        // 计算最终应付金额【订单金额减去折扣】
        $orderInfo['amount'] = max(0, bcsub($orderInfo['order_amount'], $orderInfo['discount_fee'], 2));
        $orderInfo['pay_amount'] = $orderInfo['amount']; // 实际付款金额等于应付金额

        // 保存订单快照信息
        if (!empty($orderSnapshotData)) {
            $orderSnapshotData['order_summary'] = [
                'total_goods_original_price' => $orderInfo['goods_original_price'],
                'total_goods_price' => $orderInfo['goods_price'],
                'total_activity_discount' => $orderInfo['activity_discount_amount'],
                'total_coupon_discount' => $orderInfo['coupon_discount_fee'],
                'total_discount' => $orderInfo['discount_fee'],
                'express_fee' => $orderInfo['express_fee'],
                'final_amount' => $orderInfo['amount'],
                'snapshot_time' => time(),
            ];
            $orderInfo['order_snapshot'] = json_encode($orderSnapshotData, JSON_UNESCAPED_UNICODE);
        }

        return [
            $orderItem,
            $processedGoodsList,
            $userCoupon
        ];
    }

    
    /**
     * 统一的创建订单方法
     * @param int $address_id 地址ID
     * @param int $user_id 用户ID
     * @param array $goods_list 标准化的商品列表
     * @param int $user_coupon_id 优惠券ID
     * @param string $memo 备注
     * @param array $cart_ids 购物车ID数组（如果是购物车模式需要清空）
     * @return Order
     * @throws BusinessException
     */
    public static function createOrder($addressId, $userId, $goodsList, $userCouponId = 0, $remark = '',$supplierId = 0)
    {
        $address = Address::get($addressId);
        if (!$address || $address['user_id'] != $userId) {
            throw new BusinessException("地址未找到");
        }

        if (empty($goodsList)) {
            throw new BusinessException("商品列表不能为空");
        }

        $orderTimeout = ShopConfigService::getConfigs('shop.order.order_timeout',false) ?? 3600;
        $orderSn = date("Ymdhis") . sprintf("%08d", $userId) . mt_rand(1000, 9999);

        // 订单主表信息 (基于新表结构)
        $orderInfo = array_merge(self::initOrderPrice(), [
            'type'                 => 1, // 1：普通订单
            'order_sn'             => $orderSn,
            'user_id'              => $userId,
            'expire_time'          => time() + $orderTimeout, // 过期时间
            'order_status'         => OrderEnum::STATUS_CREATE, // 待付款
            'invoice_status'       => 0, // 发票开具状态
            'remark'               => $remark, // 用户备注
            'user_coupon_id'       => $userCouponId ?: null,
            'ip'                   => request()->ip(), // IP地址
            'status'               => 'normal', 
        ]);
        $orderInfo['platform']  = request()->header('platform', 'H5');

        // 通过商品列表计算订单明细
        list($orderItem, $calculatedGoodsList, $userCoupon) = self::computeGoods($orderInfo, $goodsList, $userId, $address->area_id, $userCouponId);
        
        // 如果有活动折扣，记录活动信息
        if ($orderInfo['activity_discount_amount'] > 0) {
            $currentActivity = DiscountService::getCurrentActivity();
            if ($currentActivity) {
                $orderInfo['activity_type'] = 'discount';
                $orderInfo['activity_id'] = $currentActivity['id'];
            }
        }
        
        $orderInfo['pay_amount']          =  bcsub($orderInfo['order_amount'], $orderInfo['discount_fee'], 2);
        $orderInfo['pay_original_amount'] =  $orderInfo['pay_amount'];
        $orderInfo['pay_remain_amount']   =  $orderInfo['pay_amount']; 
        // echo "<pre>";
        // print_r($orderInfo);
        // echo "</pre>";
        // exit;
        // 创建订单
        $order = self::createOrderWithTransaction($orderInfo, $orderItem, $calculatedGoodsList, $userCoupon, $address);
        
        return $order;
    }

    /**
     * 创建单商品订单 - 一个商品一个订单
     * @param int $addressId 地址ID
     * @param int $userId 用户ID
     * @param array $goodsList 商品列表（支持多商品但会拆分为多个订单）
     * @param int $userCouponId 优惠券ID（仅用于第一个订单）
     * @param string $remark 备注
     * @return array 返回创建的订单数组
     * @throws BusinessException
     */
    public static function createSingleGoodsOrders($addressId, $userId, $goodsList, $userCouponId = 0, $remark = '')
    {
        // 验证地址
        $address = Address::get($addressId);
        if (!$address || $address['user_id'] != $userId) {
            throw new BusinessException("地址未找到");
        }

        if (empty($goodsList)) {
            throw new BusinessException("商品列表不能为空");
        }

        // 验证商品列表格式
        self::validateGoodsList($goodsList);

        $orderTimeout = ShopConfigService::getConfigs('shop.order.order_timeout', false) ?? 3600;
        $platform = request()->header('platform', 'H5');
        $ip = request()->ip();
        $orders = [];
        $firstOrder = true;

        // 为每个商品创建单独的订单
        foreach ($goodsList as $goodsItem) {
            // 构建单商品列表
            $singleGoodsList = [$goodsItem];
            
            // 生成订单号
            $orderSn = date("Ymdhis") . sprintf("%08d", $userId) . mt_rand(1000, 9999);

            // 订单主表信息
            $orderInfo = array_merge(self::initOrderPrice(), [
                'type'                 => 1, // 1：普通订单
                'order_sn'             => $orderSn,
                'user_id'              => $userId,
                'expire_time'          => time() + $orderTimeout, // 过期时间
                'order_status'         => OrderEnum::STATUS_CREATE, // 待付款
                'invoice_status'       => 0, // 发票开具状态
                'remark'               => $remark, // 用户备注
                'user_coupon_id'       => $firstOrder && $userCouponId > 0 ? $userCouponId : null, // 优惠券仅用于第一个订单
                'ip'                   => $ip,
                'status'               => 'normal',
                'platform'             => $platform,
            ]);

            try {
                // 通过单商品列表计算订单明细
                list($orderItem, $calculatedGoodsList, $userCoupon) = self::computeGoods(
                    $orderInfo, 
                    $singleGoodsList, 
                    $userId, 
                    $address->area_id, 
                    $firstOrder && $userCouponId > 0 ? $userCouponId : 0
                );

                // 如果有活动折扣，记录活动信息
                if ($orderInfo['activity_discount_amount'] > 0) {
                    $currentActivity = DiscountService::getCurrentActivity();
                    if ($currentActivity) {
                        $orderInfo['activity_type'] = 'discount';
                        $orderInfo['activity_id'] = $currentActivity['id'];
                    }
                }

                $orderInfo['pay_amount'] = bcsub($orderInfo['order_amount'], $orderInfo['discount_fee'], 2);
                $orderInfo['pay_original_amount'] = $orderInfo['pay_amount'];
                $orderInfo['pay_remain_amount'] = $orderInfo['pay_amount'];

                // 创建订单
                $order = self::createOrderWithTransaction($orderInfo, $orderItem, $calculatedGoodsList, $userCoupon, $address);
                $orders[] = $order;

                // 第一个订单创建完成后，后续订单不再使用优惠券
                $firstOrder = false;

            } catch (Exception $e) {
                // 如果某个订单创建失败，记录错误并继续创建其他订单
                \think\Log::error("创建单商品订单失败: " . $e->getMessage() . ", 商品ID: " . $goodsItem['goods_id']);
                throw new BusinessException("创建订单失败: " . $e->getMessage());
            }
        }

        if (empty($orders)) {
            throw new BusinessException("所有订单创建失败");
        }

        return $orders;
    }


    /**
     * 在事务中创建订单
     * @param array $orderInfo 订单信息
     * @param array $orderItem 订单商品列表
     * @param array $goodsList 商品列表
     * @param object $userCoupon 优惠券
     * @param object $address 地址信息
     * @return Order
     * @throws BusinessException
     */
    protected static function createOrderWithTransaction($orderInfo, $orderItem, $goodsList, $userCoupon, $address)
    {
        $order = null;
        Db::startTrans();
        try {
            // 创建订单
            $order = Order::create($orderInfo, true);
            // 为每个订单商品添加订单ID和订单号
            foreach ($orderItem as &$item) {
                $item['order_id'] = $order->id;
                $item['order_sn'] = $order->order_sn;
                // 移除临时字段
                unset($item['category_id'], $item['brand_id']);
            }
            unset($item);
            // 创建订单地址信息
            $orderAddressData = [
                'order_id'      => $order->id,
                'user_id'       => $orderInfo['user_id'],
                'consignee'     => $address->receiver,
                'mobile'        => $address->mobile,
                'province_name' => $address->province->name ?? '',
                'city_name'     => $address->city->name ?? '',
                'district_name' => $address->area->name ?? '',
                'address'       => $address->address,
                'province_id'   => $address->province_id,
                'city_id'       => $address->city_id,
                'district_id'   => $address->area_id,
            ];
            OrderAddress::create($orderAddressData);
            
            // 减库存
            foreach ($goodsList as $index => $item) {
                if ($item->sku) {
                    $item->sku->setDec('stocks', $item->nums);
                }
                $item->goods->setDec("stocks", $item->nums);
            }
            
            // 计算单个商品折扣后的价格 (基于新字段名)
            $saleamount = bcsub($order['amount'], $order['express_fee'], 2);
            $saleratio = $order['goods_price'] > 0 ? bcdiv($saleamount, $order['goods_price'], 10) : 1;
            $saleremains = $saleamount;
            
            foreach ($orderItem as $index => &$item) {
                if (!isset($orderItem[$index + 1])) {
                    $saleprice = $saleremains;
                } else {
                    $saleprice = $order['discount_fee'] == 0 ? bcmul($item['goods_original_price'], $item['nums'], 2) : bcmul(bcmul($item['goods_original_price'], $item['nums'], 2), $saleratio, 2);
                }
                $saleremains = bcsub($saleremains, $saleprice, 2);
                $item['goods_price'] = $saleprice;
            }
            unset($item);
            // 批量创建订单商品数据
            if (!empty($orderItem)) {
                (new OrderGoods())->saveAll($orderItem);
            }
            
            // 修改地址使用次数
            if ($address) {
                $address->setInc('used_nums');
            }
            
            // 优惠券已使用
            if (!empty($userCoupon)) {
                $userCoupon->save(['is_used' => 2]);
            }
            
            // 提交事务
            Db::commit();
        } catch (Exception $e) {
            Db::rollback();
            throw new BusinessException($e->getMessage());
        }
        
        // 记录操作
        OrderActionService::recordUserAction(
            $orderInfo['order_sn'],
            OrderActionEnum::ACTION_CREATE,
            $orderInfo['user_id'],
            '创建订单',
            $orderInfo['user_id']
        );
        
        // 订单应付金额为0时直接结算
        if ($order['amount'] == 0) {
            // Order::settle($order->order_sn, 0);
            // $order = Order::get($order->id);
            return $order;
        }
        
        return $order;
    }

    /**
     * 验证商品规格参数
     * @param array $goods_list 商品列表
     * @throws BusinessException
     */
    public static function validateGoodsList($goods_list)
    {
        if (empty($goods_list) || !is_array($goods_list)) {
            throw new BusinessException("商品列表不能为空");
        }

        foreach ($goods_list as $item) {
            if (!isset($item['goods_id']) || !is_numeric($item['goods_id']) || $item['goods_id'] <= 0) {
                throw new BusinessException("商品ID无效");
            }
            
            if (!isset($item['nums']) || !is_numeric($item['nums']) || $item['nums'] <= 0) {
                throw new BusinessException("商品数量必须大于0");
            }
            
            if (isset($item['goods_sku_id']) && !is_numeric($item['goods_sku_id'])) {
                throw new BusinessException("商品规格ID无效");
            }
        }
    }

    /**
     * 创建父子订单 - 每个商品一个子订单，统一支付父订单
     * @param int $addressId 地址ID
     * @param int $userId 用户ID
     * @param array $goodsList 商品列表
     * @param int $userCouponId 优惠券ID
     * @param string $remark 备注
     * @return array 返回父订单和子订单信息
     * @throws BusinessException
     */
    public static function createParentChildOrders($addressId, $userId, $goodsList, $userCouponId = 0, $remark = '')
    {
        return ParentOrderService::createParentChildOrders($addressId, $userId, $goodsList, $userCouponId, $remark);
    }

    /**
     * 统一的订单计算方法（用于预览订单）
     * @param array $goods_list 标准化的商品列表
     * @param int $user_id 用户ID
     * @param int $area_id 地区ID
     * @param int $user_coupon_id 优惠券ID
     * @return array
     * @throws BusinessException
     */
    public static function calculateOrder($goodsList, $userId, $areaId = 0, $userCouponId = 0)
    {
        if (empty($goodsList)) {
            throw new BusinessException("商品列表不能为空");
        }
      
        // 验证商品列表格式
        self::validateGoodsList($goodsList);

        // 订单基础信息（用于计算，不包含订单号）
        $orderInfo = self::initOrderPrice();       

        // 计算商品明细
        list($orderItem, $calculatedGoodsList, $userCoupon) = self::computeGoods($orderInfo, $goodsList, $userId, $areaId, $userCouponId);

        return [
            'orderItem' => $orderItem,
            'goodsList' => $calculatedGoodsList,
            'orderInfo' => $orderInfo,
            'userCoupon' => $userCoupon
        ];
    }

        /**
     * 订单列表
     *
     * @param $param
     * @return \think\Paginator
     */
    public static function getOrderList($userId = 0, $param =[],$status = [],$supplierId = 0)
    {
        $pageSize = 10;
        if (!empty($param['pageSize'])) {
            $pageSize = $param['pageSize'];
        }
        $orderModel = new Order();
        return $orderModel->with(['orderGoods'])
            ->where(function ($query) use ($param,$userId,$status) {

                if (!empty($userId)) {
                    $query->where('user_id', $userId);
                }
               
                if (!empty($status)) {
                    $query->whereIn('order_status', $status );
                }
              
                if (isset($param['keywords']) && $param['keywords'] != '') {
                    $query->where('order_sn', 'in', function ($query) use ($param) {
                        return $query->name('shop_order_goods')->where('order_sn|goods_title', 'like', '%' . $param['q'] . '%')->field('order_sn');
                    });
                }
                if (!empty($supplierId)) {
                    $query->where('order_sn', 'in', function ($query) use ($supplierId) {
                        return $query->name('shop_order_goods')->where('supplier_id', $supplierId)->field('order_sn');
                    }); 
                }
            })
            ->order('createtime desc')
            ->paginate($pageSize, false, ['query' => request()->get()]);
    }


     /**
     * 
     * @ 订单信息
     * @param $orderId
     * @param $userId
     * @return array|false|\PDOStatement|string|Model
     */
    public static function getDetail($orderId = 0, $userId = 0)
    {
        $orderModel = new Order();
        return $orderModel->with(['orderGoods'])
        ->where('id', $orderId)
        ->where(function($query) use ($userId){
            if($userId > 0){
                $query->where('user_id', $userId);
            }
        })
        ->find();
    }

    public static function getDetailByOrderSn($orderSn)
    {
        $orderModel = new Order();
        return $orderModel->with(['orderGoods'])
        ->where('order_sn', $orderSn)
        ->find();
    }

    // 查询地址信息
    public static function getAddressInfo($orderId)
    {
        return OrderAddress::where('order_id', $orderId)->find();
    }

      
    /**
     * 判断订单是否失效
     * @param $order_sn
     * @return bool
     */
    public static function isExpired($orderSn)
    {
        $orderInfo = self::getByOrderSn($orderSn);
        //订单过期
        if (!$orderInfo['orderstate'] && !$orderInfo['paystate'] && time() > $orderInfo['expiretime']) {
            // 启动事务
            Db::startTrans();
            try {
                $orderInfo->save(['orderstate' => 2]);
                //库存恢复
                OrderGoods::setGoodsStocksInc($orderInfo->order_sn);
                // //恢复优惠券
                // UserCoupon::resetUserCoupon($orderInfo->user_coupon_id, $orderInfo->order_sn);
                // 提交事务
                Db::commit();
            } catch (\Exception $e) {
                // 回滚事务
                Db::rollback();
            }
            return true;
        }
        return false;
    }

    public static function getByOrderSn($orderSn)
    {
        return Order::where('order_sn', $orderSn)->find();
    }
    public static function getByOrderId($orderId)
    {
        return Order::where('id', $orderId)->find();
    }

    // 获取状态订单统计
    public static function getOrderStatusCount($userId = 0)
    {

        $info = [];
        $info['unpay'] = Order::where('user_id', $userId)->where('order_status',OrderEnum::STATUS_CREATE)->count();
        $info['unsend'] = Order::where('user_id', $userId)->where('order_status',OrderEnum::STATUS_INSPECTION_PASS)->count();
        $info['unrec'] = Order::where('user_id', $userId)->where('order_status',OrderEnum::STATUS_SHIP)->count();
        $info['uneva'] = Order::where('user_id', $userId)->where('order_status',OrderEnum::STATUS_CONFIRM)->count();
        $info['inspect'] = Order::where('user_id', $userId)
        ->whereIn('order_status',[
            OrderEnum::STATUS_PAY,
            OrderEnum::STATUS_INSPECTION,
            OrderEnum::STATUS_INSPECTION_FAIL])
            ->count();
       
        return $info;
    }

    // 更新订单状态
    public static function updateOrderStatus($orderId = 0, $userId = 0, $status = 0)
    {
    
        $order = self::getDetail($orderId, $userId);
        if (!$order) {
            throw new BusinessException('订单不存在！');
        }
        // 验证状态
        // if (!OrderEnum::isValidOrderStatus($status)) {
        //     throw new BusinessException('状态不合法！');
        // }
        //  要处理每个状态对应的时间字段在枚举类中
        $timeField = OrderEnum::STATUS_TIME_MAP[$status];
        $updateData = [
            'order_status' => $status,
            $timeField => time()
        ];
        Order::where('id', $orderId)->update($updateData);
        return $order;
    }

    /**
     * 获取供应商订单列表 - 关联查询方式
     * @param int $supplierId 供应商ID  
     * @param int $userId 用户ID（可选）
     * @param array $param 查询参数
     * @param array $status 订单状态筛选
     * @return \think\Paginator
     */
    public static function getSupplierOrderList($supplierId, $userId = 0, $param = [], $status = [])
    {
        $pageSize = $param['page_size'] ?? 10;
        
        return Order::alias('o')
            ->join('shop_order_goods og', 'o.order_sn = og.order_sn', 'inner')
            ->with(['orderGoods' => function($query) use ($supplierId) {
                $query->where('supplier_id', $supplierId);
            }])
            ->where('og.supplier_id', $supplierId)
            ->where(function ($query) use ($param, $userId, $status) {
                if (!empty($userId)) {
                    $query->where('o.user_id', $userId);
                }
                
                if (!empty($status)) {
                    $query->whereIn('o.order_status', $status);
                }
                
                if (isset($param['keywords']) && $param['keywords'] != '') {
                    $query->where(function($subQuery) use ($param) {
                        $subQuery->where('o.order_sn', 'like', '%' . $param['keywords'] . '%')
                                ->whereOr('og.goods_title', 'like', '%' . $param['keywords'] . '%');
                    });
                }
            })
            ->field('o.*')
            ->group('o.id')
            ->order('o.createtime desc')
            ->paginate($pageSize, false, ['query' => request()->get()]);
    }

    /**
     * 获取供应商订单详情 - 支持订单ID和订单号两种方式
     * @param mixed $orderParam 订单ID或订单号
     * @param int $supplierId 供应商ID
     * @param int $userId 用户ID（可选，用于权限验证）
     * @return array|null
     */
    public static function getSupplierOrderDetail($orderParam, $supplierId, $userId = 0)
    {
        // 根据参数类型判断是订单ID还是订单号
        if (is_numeric($orderParam)) {
            // 数字类型，当作订单ID处理
            $query = Order::where('id', $orderParam);
        } else {
            // 字符串类型，当作订单号处理
            $query = Order::where('order_sn', $orderParam);
        }
        
        // 如果指定了用户ID，添加用户权限验证
        if (!empty($userId)) {
            $query->where('user_id', $userId);
        }
        
        $order = $query->find();
        if (!$order) {
            return null;
        }
        
        // 获取该供应商在此订单中的商品
        $orderGoods = OrderGoods::where('order_sn', $order->order_sn)
            ->where('supplier_id', $supplierId)
            ->select();
            
        // 如果该供应商在此订单中没有商品，返回null
        if (empty($orderGoods)) {
            return null;
        }
        
        $order->order_goods = $orderGoods;
        return $order;
    }

    /**
     * 获取供应商订单统计
     * @param int $supplierId 供应商ID
     * @param int $userId 用户ID（可选）
     * @return array
     */
    public static function getSupplierOrderStatusCount($supplierId, $userId = 0)
    {
        $baseQuery = function($status) use ($supplierId, $userId) {
            $query = Order::alias('o')
                ->join('shop_order_goods og', 'o.order_sn = og.order_sn', 'inner')
                ->where('og.supplier_id', $supplierId)
                ->where('o.order_status', $status);
            
            if (!empty($userId)) {
                $query->where('o.user_id', $userId);
            }
            
            return $query->count('DISTINCT o.id');
        };
        
        return [
            'unpay'  => $baseQuery(OrderEnum::STATUS_CREATE),  // 待付款
            'unsend' => $baseQuery(OrderEnum::STATUS_PAY),     // 待发货
            'unrec'  => $baseQuery(OrderEnum::STATUS_SHIP),    // 待收货
            'uneva'  => $baseQuery(OrderEnum::STATUS_CONFIRM), // 待评价
        ];
    }

    /**
     * 验证订单和订单商品是否存在
     * @param int $orderId 订单ID
     * @param int $orderGoodsId 订单商品ID
     * @return array|false 返回订单和订单商品信息，不存在返回false
     */
    public static function validateOrderAndOrderGoods($orderId, $orderGoodsId)
    {
        // 查询订单
        $order = Order::where('id', $orderId)->find();
        if (!$order) {
            return false;
        }
        
        // 查询订单商品
        $orderGoods = OrderGoods::where('id', $orderGoodsId)
            ->where('order_id', $orderId)
            ->find();
        if (!$orderGoods) {
            return false;
        }
        
        return [
            'order' => $order,
            'order_goods' => $orderGoods
        ];
    }

    /**
     * 更新订单商品的验收状态
     * @param int $orderGoodsId 订单商品ID
     * @param int $inspectStatus 验收状态 0:待验收 1:验收通过 2:验收不通过
     * @return bool
     */
    public static function updateOrderGoodsInspectStatus($orderGoodsId, $inspectStatus,$inspectUid = 0)
    {
        return OrderGoods::where('id', $orderGoodsId)->update([
            'inspect_status' => $inspectStatus,
            'inspect_time' => time(),
            'inspect_id' => $inspectUid
        ]);
    }

    /**
     * 检查订单中所有商品的验收状态
     * @param int $orderId 订单ID
     * @return array 返回验收状态统计
     */
    public static function checkOrderInspectStatus($orderId)
    {
        $orderGoods = OrderGoods::where('order_id', $orderId)->select();
        
        $statusCount = [
            'total' => count($orderGoods), // 总商品数
            'pending' => 0,    // 待验收
            'passed' => 0,     // 验收通过
            'failed' => 0      // 验收不通过
        ];
        
        foreach ($orderGoods as $goods) {
            switch ($goods['inspect_status']) {
                case 0:
                    $statusCount['pending']++;
                    break;
                case 1:
                    $statusCount['passed']++;
                    break;
                case 2:
                    $statusCount['failed']++;
                    break;
            }
        }
        
        return $statusCount;
    }

    /**
     * 根据验收状态决定是否更新订单状态
     * @param int $orderId 订单ID
     * @param int $userId 用户ID
     * @return bool
     */
    public static function updateOrderStatusByInspectResult($orderId, $userId = 0)
    {
        $inspectStatus = self::checkOrderInspectStatus($orderId);
        
        // 如果所有商品都验收完成（没有待验收的商品）
        if ($inspectStatus['pending'] == 0) {
            // 如果所有商品都验收通过
            if ($inspectStatus['failed'] == 0 && $inspectStatus['passed'] > 0) {
                // 更新订单状态为验收通过
                return self::updateOrderStatus($orderId, $userId, OrderEnum::STATUS_INSPECTION_PASS);
            }
            // 如果所有商品都验收不通过
            elseif ($inspectStatus['failed'] > 0 && $inspectStatus['passed'] == 0) {
                // 更新订单状态为验收失败
                return self::updateOrderStatus($orderId, $userId, OrderEnum::STATUS_INSPECTION_FAIL);
            }
            // 如果部分商品验收通过，部分不通过
            elseif ($inspectStatus['failed'] > 0 && $inspectStatus['passed'] > 0) {
                // 混合状态，由业务人员手动处理，不自动更新订单状态
                return true;
            }
        }
        
        return true;
    }

    /**
     * 更新订单商品的发货状态
     * @param int $orderGoodsId 订单商品ID
     * @param string $expressName 快递公司
     * @param string $expressNo 快递单号
     * @param array $expressImage 快递图片
     * @return bool
     */
    public static function updateOrderGoodsDeliveryStatus($orderGoodsId, $expressName, $expressNo, $expressImage = [],$orderExpressId = 0)
    {
        $updateData = [
            'express_name' => $expressName,
            'express_no' => $expressNo,
            'express_image' => is_array($expressImage) ? json_encode($expressImage) : $expressImage,
            'delivery_status' => 1, // 已发货
            'updatetime' => time(),
            'order_express_id' =>$orderExpressId
        ];
        
        return OrderGoods::where('id', $orderGoodsId)->update($updateData);
    }

    /**
     * 检查订单中所有商品的发货状态
     * @param int $orderId 订单ID
     * @return array 返回发货状态统计
     */
    public static function checkOrderDeliveryStatus($orderId)
    {
        $orderGoods = OrderGoods::where('order_id', $orderId)->select();
        
        $statusCount = [
            'total' => count($orderGoods), // 总商品数
            'pending' => 0,    // 待发货
            'delivered' => 0,  // 已发货
        ];
        
        foreach ($orderGoods as $goods) {
            if ($goods['delivery_status'] == 1) {
                $statusCount['delivered']++;
            } else {
                $statusCount['pending']++;
            }
        }
        
        return $statusCount;
    }

    /**
     * 根据发货状态决定是否更新订单状态
     * @param int $orderId 订单ID
     * @param int $userId 用户ID
     * @return bool
     */
    public static function updateOrderStatusByDeliveryResult($orderId, $userId = 0)
    {
        $deliveryStatus = self::checkOrderDeliveryStatus($orderId);
        
        // 如果所有商品都已发货（没有待发货的商品）
        if ($deliveryStatus['pending'] == 0 && $deliveryStatus['delivered'] > 0) {
            // 更新订单状态为已发货
            return self::updateOrderStatus($orderId, $userId, OrderEnum::STATUS_SHIP);
        }
        
        return true;
    }

    /**
     * 验证订单商品是否可以发货
     * @param int $orderId 订单ID
     * @param int $orderGoodsId 订单商品ID
     * @return array|false 返回订单和订单商品信息，验证失败返回false
     */
    public static function validateOrderGoodsForDelivery($orderId, $orderGoodsId)
    {
        // 验证订单和订单商品是否存在
        $orderData = self::validateOrderAndOrderGoods($orderId, $orderGoodsId);
        if (!$orderData) {
            return false;
        }
    
        $orderGoods = $orderData['order_goods'];
        // 检查订单商品的状态是都验货通过才可以发货
        // if ($orderGoods['inspect_status'] !== 1) {
        //     return false;
        // }
        if (empty($orderGoods['inspect_time'])) {
            return false;
        }
        // 检查该订单商品是否已经发货
        if ($orderGoods['delivery_status'] == 1) {
            return false;
        }
        
        return $orderData;
    }

}