using Infrastructure.Attribute;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using ARW.Model;
using ARW.Repository;
using ARW.Repository.Business.OrderManage.Orders;
using ARW.Service.Api.IBusinessService.OrderManage.Orders;
using ARW.Model.Dto.Api.OrderManage.Orders;
using ARW.Model.Models.Business.OrderManage.Orders;
using ARW.Model.Vo.Api.OrderManage.Orders;
using ARW.Repository.Business.OrderManage.OrderGoodss;
using ARW.Repository.Business.GoodsManager.Goodss;
using ARW.Repository.Business.GoodsManager.GoodsSpecs.GoodsSkus;
using ARW.Repository.Business.GoodsManager.GoodsSpecs.Specs;
using ARW.Repository.Business.GoodsManager.GoodsSpecs.SpecValues;
using ARW.Model.Models.Business.GoodsManager.GoodsSpecs.GoodsSkus;
using ARW.Model.Models.Business.GoodsManager.GoodsSpecs.SpecValues;

namespace ARW.Service.Api.BusinessService.OrderManage.Orders
{
    /// <summary>
    /// 订单接口实现类Api
    ///
    /// @author lwh
    /// @date 2023-09-01
    /// </summary>
    [AppService(ServiceType = typeof(IOrderServiceApi), ServiceLifetime = LifeTime.Transient)]
    public class OrderServiceImplApi : BaseService<Order>, IOrderServiceApi
    {
        private readonly OrderRepository _OrderRepository;
        private readonly OrderGoodsRepository _OrderGoodsRepository;
        private readonly GoodsRepository _GoodsRepository;
        private readonly GoodsSkuRepository _GoodsSkuRepository;
        private readonly SpecRepository _SpecRepository;
        private readonly SpecValueRepository _SpecValueRepository;

        public OrderServiceImplApi(OrderRepository OrderRepository, OrderGoodsRepository orderGoodsRepository, GoodsRepository goodsRepository, GoodsSkuRepository goodsSkuRepository, SpecRepository specRepository, SpecValueRepository specValueRepository)
        {
            this._OrderRepository = OrderRepository;
            _OrderGoodsRepository = orderGoodsRepository;
            _GoodsRepository = goodsRepository;
            _GoodsSkuRepository = goodsSkuRepository;
            _SpecRepository = specRepository;
            _SpecValueRepository = specValueRepository;
        }

        #region Api接口代码


        /// <summary>
        /// 查询订单列表(Api)
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        public async Task<PagedInfo<OrderVoApi>> GetOrderListApi(OrderQueryDtoApi parm)
        {
            //开始拼装查询条件d
            var predicate = Expressionable.Create<Order>();

            predicate = predicate.AndIF(!string.IsNullOrEmpty(parm.OrderNumber), s => s.OrderNumber.Contains(parm.OrderNumber));
            predicate = predicate.AndIF(parm.OrderStatus != 0, s => s.OrderStatus == parm.OrderStatus);
            predicate = predicate.AndIF(parm.PayType != null, s => s.PayType == parm.PayType);
            predicate = predicate.AndIF(parm.PayStatus != null, s => s.PayStatus == parm.PayStatus);
            predicate = predicate.AndIF(parm.DeliveryType != null, s => s.DeliveryType == parm.DeliveryType);
            predicate = predicate.AndIF(parm.DeliveryStatus != null, s => s.DeliveryStatus == parm.DeliveryStatus);
            predicate = predicate.AndIF(parm.ReceiptStatus != null, s => s.ReceiptStatus == parm.ReceiptStatus);
            var query = _OrderRepository
                .Queryable()
                .Where(predicate.ToExpression())
                .OrderBy(s => s.Create_time, OrderByType.Desc)
                .Select(s => new OrderVoApi
                {
                    OrderId = s.OrderId,
                    OrderGuid = s.OrderGuid,
                    OrderNo = s.OrderNumber,
                    GoodsTotalAmoun = s.GoodsTotalAmoun,
                    OrderAmount = s.OrderAmount,
                    PayPrice = s.PayPrice,
                    PayStatus = s.PayStatus,
                    ExpressPrice = s.ExpressPrice,
                    DeliveryStatus = s.DeliveryStatus,
                    ReceiptStatus = s.ReceiptStatus,
                    OrderStatus = s.OrderStatus,
                    IsComment = s.IsComment,
                });


            var list = await query.ToPageAsync(parm);

            foreach (var item in list.Result)
            {
                var goodsList = new List<OrderGoodsApiVo>();
                var orderGoodsList = await _OrderGoodsRepository.GetListAsync(s => s.OrderGuid == item.OrderGuid);
                foreach (var _item in orderGoodsList)
                {
                    var good = await _GoodsRepository.GetFirstAsync(s => s.GoodsGuid == _item.GoodsGuid);
                    var orderGood = new OrderGoodsApiVo
                    {
                        GoodsGuId = good.GoodsGuid,
                        Thumb = good.GoodsPicture.Split(',').First(),
                        Title = good.GoodsName,
                        SkuId = _item.GoodsSkuId,
                        Price = _item.GoodsPrice,
                        BuyQuantity = _item.GoodsTotalNum
                    };
                    if (_item.GoodsSkuId != 0)
                        orderGood.Specifications = await GetGoodsSpecList(_item.GoodsSkuId);

                    goodsList.Add(orderGood);
                }
                item.GoodsList = goodsList;
            }

            return list;
        }


        /// <summary>
        /// 待付款取消订单
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        public async Task<string> WaitPayCancelOrder(OrderDtoApi parm)
        {
            // 找到该订单的商品，如果是下单立减库存，将库存加回来
            var orderGoodsList = await _OrderGoodsRepository.GetListAsync(s => s.OrderGuid == parm.OrderGuid);
            foreach (var item in orderGoodsList)
            {
                var good = await _GoodsRepository.GetFirstAsync(s => s.GoodsGuid == item.GoodsGuid);
                if(good.GoodsDeductStockType == 1)
                {
                    if(item.GoodsSkuId != 0)
                    {
                        var sku = await _GoodsSkuRepository.GetFirstAsync(s => s.GoodsSkuId == item.GoodsSkuId);
                        sku.GoodsSkuStockNum += item.GoodsTotalNum;
                        good.GoodsTotalInventory += item.GoodsTotalNum;
                        await _GoodsSkuRepository.UpdateAsync(sku);
                        await _GoodsRepository.UpdateAsync(good);
                    }
                    else
                    {
                        good.GoodsTotalInventory += item.GoodsTotalNum;
                        await _GoodsRepository.UpdateAsync(good);
                    }
                }
            }

            var res = await _OrderRepository.UpdateAsync(f => new Order
            {
                OrderStatus = 2,
                IsSettled = 2,
            }, f => f.OrderGuid == parm.OrderGuid);
            if (res)
                return "取消订单成功";
            else
                return "取消订单失败！";
        }


        /// <summary>
        /// 已付款取消订单
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        public async Task<string> PayCancelOrder(OrderDtoApi parm)
        {
            var res = await _OrderRepository.UpdateAsync(f => new Order
            {
                OrderStatus = 3,
            }, f => f.OrderGuid == parm.OrderGuid);
            if (res)
                return "取消订单成功";
            else
                return "取消订单失败！";
        }


        /// <summary>
        /// 确认收货
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        public async Task<string> ConfirmReceipt(OrderDtoApi parm)
        {
            // 收货状态 => 已收货
            // 订单状态 => 已完成
            // 订单结算状态 => 已结算
            var res = await _OrderRepository.UpdateAsync(f => new Order
            {
                ReceiptStatus = 2,
                ReceiptTime = DateTime.Now,
                OrderStatus = 4,
                IsSettled = 2,
            }, f => f.OrderGuid == parm.OrderGuid);
            if (res)
                return "确认收货成功";
            else
                return "收货失败！";
        }



        /// <summary>
        /// 查询订单详情(Api)
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        public async Task<string> GetOrderDetails(OrderDtoApi parm)
        {

            var query = _OrderRepository
                .Queryable()
                .Where(s => s.OrderGuid == parm.OrderGuid)
                .Select(s => new OrderApiDetailsVo
                {
                    OrderId = s.OrderId,
                    OrderGuid = s.OrderGuid,
                    PaymentGuid = s.PaymentGuid,
                    CustomerGuid = s.CustomerGuid,
                    OrderNumber = s.OrderNumber,
                    GoodsTotalAmoun = s.GoodsTotalAmoun,
                    OrderAmount = s.OrderAmount,
                    CouponGuid = s.CouponGuid,
                    CouponMoney = s.CouponMoney,
                    PointsMoney = s.PointsMoney,
                    PointsNum = s.PointsNum,
                    PayPrice = s.PayPrice,
                    UpdatePrice = s.UpdatePrice,
                    OrderRemark = s.OrderRemark,
                    PayType = s.PayType,
                    PayStatus = s.PayStatus,
                    PayTime = s.PayTime,
                    DeliveryType = s.DeliveryType,
                    ExpressPrice = s.ExpressPrice,
                    LogisticsCompanyGuid = s.LogisticsCompanyGuid,
                    LogisticsCompany = s.LogisticsCompany,
                    LogisticsTrackingNumber = s.LogisticsTrackingNumber,
                    DeliveryStatus = s.DeliveryStatus,
                    DeliveryTime = s.DeliveryTime,
                    ReceiptStatus = s.ReceiptStatus,
                    ReceiptTime = s.ReceiptTime,
                    OrderStatus = s.OrderStatus,
                    PointsBonus = s.PointsBonus,
                    IsSettled = s.IsSettled,
                    TransactionId = s.TransactionId,
                    IsComment = s.IsComment,
                    OrderSource = s.OrderSource,
                }).Take(1);


            return await query.ToJsonAsync();
        }




        #region 业务方法调用


        /// <summary>
        /// 获取商品规格
        /// </summary>
        /// <param name="skuId">规格id</param>
        /// <returns></returns>
        public async Task<List<OrderGoodsSpecApiVo>> GetGoodsSpecList(int? skuId)
        {
            var list = new List<OrderGoodsSpecApiVo>();
            var sku = await _GoodsSkuRepository.GetFirstAsync(s => s.GoodsSkuId == skuId);
            if (sku.SpecValueId != 0)
            {
                var orderGoodsSpecApiVo1 = await GetGoodsSpec(sku, 1);
                list.Add(orderGoodsSpecApiVo1);

                if (sku.SpecSecondValueId != 0)
                {
                    var orderGoodsSpecApiVo2 = await GetGoodsSpec(sku, 2);
                    list.Add(orderGoodsSpecApiVo2);

                    if (sku.SpecThirdValueId != 0)
                    {
                        var orderGoodsSpecApiVo3 = await GetGoodsSpec(sku, 3);
                        list.Add(orderGoodsSpecApiVo3);
                    }
                }
            }

            return list;
        }


        public async Task<OrderGoodsSpecApiVo> GetGoodsSpec(GoodsSku sku, int level)
        {
            var orderGoodsSpecApiVo = new OrderGoodsSpecApiVo();
            var specValue = new SpecValue();
            switch (level)
            {
                case 1:
                    specValue = await _SpecValueRepository.GetFirstAsync(s => s.SpecValueId == sku.SpecValueId);
                    orderGoodsSpecApiVo = await GetSpecValue(specValue);
                    break;
                case 2:
                    specValue = await _SpecValueRepository.GetFirstAsync(s => s.SpecValueId == sku.SpecSecondValueId);
                    orderGoodsSpecApiVo = await GetSpecValue(specValue);
                    break;
                case 3:
                    specValue = await _SpecValueRepository.GetFirstAsync(s => s.SpecValueId == sku.SpecThirdValueId);
                    orderGoodsSpecApiVo = await GetSpecValue(specValue);
                    break;

                default:
                    break;
            }
            return orderGoodsSpecApiVo;
        }


        public async Task<OrderGoodsSpecApiVo> GetSpecValue(SpecValue specValue)
        {
            var spec = await _SpecRepository.GetFirstAsync(s => s.SpecId == specValue.SpecId);
            OrderGoodsSpecApiVo orderGoodsSpecApiVo = new()
            {
                SpecTitle = spec.SpecName,
                SpecValue = specValue.SpecValueName
            };
            return orderGoodsSpecApiVo;
        }

        #endregion




        #endregion

    }
}