using BBWYB.Common.Log;
using BBWYB.Common.Models;
using BBWYB.Server.Model;
using BBWYB.Server.Model.Db;
using BBWYB.Server.Model.Dto;
using FreeSql;
using Yitter.IdGenerator;

namespace BBWYB.Server.Business
{
    public class SkuOptimizationBusiness : BaseBusiness, IDenpendency
    {
        private FreeSqlMultiDBManager fsqlManager;
        public SkuOptimizationBusiness(IFreeSql fsql, NLogManager nLogManager, IIdGenerator idGenerator, FreeSqlMultiDBManager fsqlManager) : base(fsql, nLogManager, idGenerator)
        {
            this.fsqlManager = fsqlManager;
        }

        public void LKInventoryAlertNotification(BatchLKInventoryAlertRequest request)
        {

        }

        /// <summary>
        /// 完成优化
        /// </summary>
        /// <param name="taskId"></param>
        /// <param name="userId"></param>
        /// <exception cref="BusinessException"></exception>
        public void CompleteOptimization(long taskId, string userId)
        {
            #region 验证待议价任务
            var optimazaionTask = fsql.Select<SkuOptimizationTask>(taskId).ToOne();
            if (optimazaionTask == null)
                throw new BusinessException("优化任务不存在");
            if (optimazaionTask.IsOptimizationCompleted == true)
                throw new BusinessException("优化任务已完成");

            #endregion

            #region 获取用户和部门信息
            var user = fsqlManager.MDSfsql.Select<User>(userId).ToOne();
            if (user == null)
                throw new BusinessException("用户不存在");
            if (string.IsNullOrEmpty(user.DepartmentId))
                throw new BusinessException("该用户没有归属部门");
            var department = fsqlManager.MDSfsql.Select<Userdepartment>(user.DepartmentId).ToOne();
            if (department == null)
                throw new BusinessException("部门不存在");
            if (department.ParentDepartmentId != "1760971468360912896")
                throw new BusinessException("该用户所在部门不属于议价组");
            #endregion

            #region 验证待议价子任务
            var optimazaionChildTaskList = fsql.Select<SkuOptimizationChildTask>()
                                          .Where(sc => sc.OptimizationTaskId == optimazaionTask.Id)
                                          .ToList();
            var currentOptimazaionChildTaskList = optimazaionChildTaskList.FirstOrDefault(sc => sc.BelongTeamId == department.Id);
            if (currentOptimazaionChildTaskList == null)
                throw new BusinessException($"未找到议价组{department.DepartmentName}的议价子任务");
            if (currentOptimazaionChildTaskList.IsOptimizationCompleted == true)
                throw new BusinessException($"{department.DepartmentName}的议价子任务已完成");

            currentOptimazaionChildTaskList.IsOptimizationCompleted = true;
            #endregion

            IUpdate<SkuOptimizationChildTask> updateChildTask = null;
            IUpdate<SkuOptimizationTask> updateTask = null;
            IUpdate<SpuTotalSaleInfo> updateSpuSaleInfo = null;
            IUpdate<TimeLimitTask> updateTimeLimitTask = null;

            if (!optimazaionChildTaskList.Any(sc => sc.IsOptimizationCompleted == false))
            {
                //全部完成

                #region 更新spu销量表
                var spuSaleInfo = fsql.Select<SpuTotalSaleInfo>(optimazaionTask.ProductId).ToOne();
                if (spuSaleInfo == null)

                    throw new BusinessException($"未找到spu{optimazaionTask.ProductId}销量");

                updateSpuSaleInfo = fsql.Update<SpuTotalSaleInfo>(optimazaionTask.ProductId)
                                        .SetIf(spuSaleInfo.IsFirstPurchaseCompleted == false, s => s.IsFirstPurchaseCompleted, true)
                                        .SetIf(spuSaleInfo.IsFirstPurchaseCompleted == false, s => s.FirstPurchaseCompletedItemCount == s.ItemCount)
                                        .SetIf(spuSaleInfo.IsFirstPurchaseCompleted == true &&
                                               spuSaleInfo.IsFirstOptimizationCompleted == false, s => s.IsFirstOptimizationCompleted, true)
                                        .SetIf(spuSaleInfo.IsFirstPurchaseCompleted == true &&
                                               spuSaleInfo.IsFirstOptimizationCompleted == false, s => s.FirstOptimizationCompletedItemCount == s.ItemCount)
                                        .Set(s => s.LastOptimizationItemCount == s.ItemCount)
                                        .Set(s => s.LastOptimizationTime, DateTime.Now)
                                        .Set(s => s.UpdateTime, DateTime.Now);
                #endregion

                #region 更新待议价任务
                updateTask = fsql.Update<SkuOptimizationTask>(optimazaionTask.Id)
                                  .Set(t => t.IsOptimizationCompleted, true)
                                  .Set(t => t.CompletionTime, DateTime.Now);
                #endregion

                #region 更新待议价限时任务
                updateTimeLimitTask = fsql.Update<TimeLimitTask>().Set(t => t.CompletionTime, DateTime.Now)
                                          .Set(t => t.IsTimely == (DateTime.Now < t.ExpirationTime ? true : false))
                                          .Where(t => t.TaskId == optimazaionTask.Id &&
                                                      t.CompletionTime == null &&
                                                      t.TaskType == Enums.TimeLimitTaskType.待议价任务);
                #endregion
            }

            #region 更新待议价子任务
            updateChildTask = fsql.Update<SkuOptimizationChildTask>(currentOptimazaionChildTaskList.Id)
                                  .Set(sc => sc.IsOptimizationCompleted, true)
                                  .Set(sc => sc.CompletionTime, DateTime.Now);
            #endregion
            
            fsql.Transaction(() =>
            {
                updateChildTask?.ExecuteAffrows();
                updateTask?.ExecuteAffrows();
                updateSpuSaleInfo?.ExecuteAffrows();
                updateTimeLimitTask?.ExecuteAffrows();
            });
        }
    }
}