using Infrastructure.Attribute;
using Microsoft.AspNetCore.Http;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ARW.Model;
using ARW.Repository;
using ARW.Repository.Business.Custom.CustomerAddresses;
using ARW.Service.Api.IBusinessService.Custom.CustomerAddresses;
using ARW.Model.Dto.Api.Custom.CustomerAddresses;
using ARW.Model.Models.Business.Custom.CustomerAddresses;
using ARW.Model.Vo.Api.Custom.CustomerAddresses;
using ARW.Model.Models.Business.Custom.Regions;
using ARW.Model.Models.Business.Custom.Customers;
using Microsoft.AspNetCore.Server.IISIntegration;
using ARW.Repository.Business.Custom.Customers;

namespace ARW.Service.Api.BusinessService.Custom.CustomerAddresses
{
    /// <summary>
    /// 客户收货地址接口实现类Api
    ///
    /// @author admin
    /// @date 2023-06-09
    /// </summary>
    [AppService(ServiceType = typeof(ICustomerAddressServiceApi), ServiceLifetime = LifeTime.Transient)]
    public class CustomerAddressServiceImplApi : BaseService<CustomerAddress>, ICustomerAddressServiceApi
    {
        private readonly CustomerAddressRepository _CustomerAddressRepository;
        private readonly CustomerRepository _CustomerRepository;

        public CustomerAddressServiceImplApi(CustomerAddressRepository CustomerAddressRepository, CustomerRepository customerRepository)
        {
            this._CustomerAddressRepository = CustomerAddressRepository;
            _CustomerRepository = customerRepository;
        }

        #region Api接口代码


        /// <summary>
        /// 查询客户收货地址列表(Api)
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        public async Task<List<CustomerAddressVoApi>> GetCustomerAddressListApi(CustomerAddressQueryDtoApi parm)
        {
            //开始拼装查询条件d
            var predicate = Expressionable.Create<CustomerAddress>();

            var query = _CustomerAddressRepository
                .Queryable()
                .LeftJoin<Region>((s, c) => s.CustomerAddressProvinceId == c.RegionId)
                .LeftJoin<Region>((s, c, d) => s.CustomerAddressCityId == d.RegionId)
                .LeftJoin<Region>((s, c, d, f) => s.CustomerAddressAreaId == f.RegionId)
                .LeftJoin<Customer>((s, c, d, f, g) => s.CustomerAddressCustomerGuid == g.CustomerGuid)
                .Where((s) => s.CustomerAddressCustomerGuid == parm.CustomerAddressCustomerGuid)
                .Where(predicate.ToExpression())
                .OrderBy(s => s.Create_time, OrderByType.Asc)
                .Select((s, c, d, f, g) => new CustomerAddressVoApi
                {
                    CustomerAddressId = s.CustomerAddressId,
                    CustomerAddressGuid = s.CustomerAddressGuid,
                    Name = s.CustomerAddressName,
                    PhoneNumber = s.CustomerAddressPhone,
                    Address = c.RegionName + d.RegionName + f.RegionName + s.CustomerAddressDetailed,
                    IsDefault = s.CustomerAddressGuid == g.CustomerDefaultAddressGuid
                });


            return await query.ToListAsync();
        }

        /// <summary>
        /// 查询客户收货地址详情(Api)
        /// </summary>
        /// <param name="parm"></param>
        /// <returns></returns>
        public Task<string> GetCustomerAddressDetails(CustomerAddressDtoApi parm)
        {

            var query = _CustomerAddressRepository
                .Queryable()
                .LeftJoin<Region>((s, c) => s.CustomerAddressProvinceId == c.RegionId)
                .LeftJoin<Region>((s, c, d) => s.CustomerAddressCityId == d.RegionId)
                .LeftJoin<Region>((s, c, d, f) => s.CustomerAddressAreaId == f.RegionId)
                .LeftJoin<Customer>((s, c, d, f, g) => s.CustomerAddressCustomerGuid == g.CustomerGuid)
                .Where(s => s.CustomerAddressId == parm.CustomerAddressId)
                .Select((s, c, d, f, g) => new CustomerAddressApiDetailsVo
                {
                    CustomerAddressId = s.CustomerAddressId,
                    CustomerAddressGuid = s.CustomerAddressGuid,
                    ProvinceName = c.RegionName,
                    ProvinceCode = c.RegionCode,
                    CityName = d.RegionName,
                    CityCode = d.RegionCode,
                    DistrictName = f.RegionName,
                    DistrictCode = f.RegionCode,
                    Name = s.CustomerAddressName,
                    Phone = s.CustomerAddressPhone,
                    DetailAddress = s.CustomerAddressDetailed,
                    IsDefault = s.CustomerAddressGuid == g.CustomerDefaultAddressGuid
                }).Take(1);


            return query.ToJsonAsync();
        }



        /// <summary>
        ///  添加或修改客户收货地址
        /// </summary>
        public async Task<string> AddOrUpdateCustomerAddress(CustomerAddress model, int IsDefault)
        {
            if (model.CustomerAddressId != 0)
            {
                var response = await _CustomerAddressRepository.UpdateAsync(model);
                await HandleDefaultAddress(model, IsDefault, model.CustomerAddressGuid);
                return "修改成功！";
            }
            else
            {
                var response = await _CustomerAddressRepository.InsertReturnSnowflakeIdAsync(model);
                await HandleDefaultAddress(model, IsDefault, response);
                return "添加成功！";
            }
        }


        /// <summary>
        /// 默认收货地址处理
        /// </summary>
        /// <param name="model">CustomerAddress模型</param>
        /// <param name="IsDefault">是否为默认地址</param>
        /// <param name="defaultAddressGuid">默认地址Guid</param>
        /// <returns></returns>
        public async Task HandleDefaultAddress(CustomerAddress model, int IsDefault, long defaultAddressGuid)
        {
            // 修改客户的默认地址guid
            if (IsDefault == 1)
            {
                await _CustomerRepository.UpdateAsync(f => new Customer
                {
                    CustomerDefaultAddressGuid = defaultAddressGuid
                }, s => s.CustomerGuid == model.CustomerAddressCustomerGuid);
            }
            else if (IsDefault == 0)
            {
                // 找到当前客户的默认收货地址
                var customerDefaultAddress = await _CustomerRepository.GetFirstAsync(s => s.CustomerGuid == model.CustomerAddressCustomerGuid);
                var customerDefaultAddressGuid = customerDefaultAddress.CustomerDefaultAddressGuid;
                // 当前的收货地址guid如果与客户的默认收货地址相同
                if (customerDefaultAddressGuid != 0 && model.CustomerAddressGuid == customerDefaultAddressGuid)
                {
                    // 重新设置为Null值
                    await _CustomerRepository.UpdateAsync(f => new Customer
                    {
                        CustomerDefaultAddressGuid = null
                    }, s => s.CustomerGuid == model.CustomerAddressCustomerGuid);
                }
            }
        }

        #endregion

    }
}