using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Bowin.Common.Linq.Entity;
using Bowin.Common.Utility;
using EMIS.ViewModel.RetakeManage;
using EMIS.DataLogic.RetakeManage;
using EMIS.ViewModel;
using EMIS.Utility;

namespace EMIS.CommonLogic.RetakeManage
{
    public class RetakeConditionServices : BaseServices, IRetakeConditionServices
    {
        public RetakeConditionDAL RetakeConditionDAL { get; set; }

        /// <summary>
        /// 查询对应的重修条件信息View
        /// </summary>
        /// <param name="conditionType"></param>
        /// <returns></returns>
        public RetakeConditionView GetRetakeConditionView(ER_RetakeConditionType conditionType)
        {
            var query = RetakeConditionDAL.GetRetakeConditionView(x => x.RetakeConditionTypeID == (int)conditionType);

            return query.FirstOrDefault();
        }

        /// <summary>
        /// 查询对应的重修条件参数值
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="parameterType"></param>
        /// <returns></returns>
        public Nullable<T> GetParameter<T>(ER_RetakeParameterType parameterType) where T : struct
        {
            try
            {
                var parameterTypeEntity = RetakeConditionDAL.RetakeConditionParameterRepository
                    .GetSingle(x => x.RetakeParameterTypeID == (int)parameterType);

                if (parameterTypeEntity == null || string.IsNullOrEmpty(parameterTypeEntity.Value))
                {
                    return null;
                }

                T result;
                if (parameterTypeEntity.Value.TryParseTo(out result))
                {
                    return result;
                }
                return null;
            }
            catch (Exception ex)
            {

                throw new Exception(ex.Message);
            }
        }

        /// <summary>
        /// 重修条件参数保存
        /// </summary>
        /// <param name="parameterType"></param>
        /// <param name="value"></param>
        public void SetParameter(ER_RetakeParameterType parameterType, object value)
        {
            try
            {
                //查询重修条件信息View
                var retakeCondition = RetakeConditionDAL.GetRetakeConditionView(x => x.RetakeConditionTypeID == (int)ER_RetakeConditionType.NotPassCount)
                        .SingleOrDefault();
                if (retakeCondition == null)
                {
                    throw new Exception("重修条件未配置，请配置。");
                }
                else
                {
                    var parameterTypeEntity = RetakeConditionDAL.RetakeConditionParameterRepository
                        .GetSingle(x => x.RetakeParameterTypeID == (int)parameterType);

                    if (parameterTypeEntity == null)
                    {
                        parameterTypeEntity = new Entities.ER_RetakeConditionParameter
                        {
                            RetakeConditionParameterID = Guid.NewGuid(),
                            RetakeParameterTypeID = (int)parameterType
                        };
                        this.SetNewStatus(parameterTypeEntity);
                        this.UnitOfWork.Add(parameterTypeEntity);
                    }
                    else
                    {
                        this.SetModifyStatus(parameterTypeEntity);
                    }
                    parameterTypeEntity.Value = value.ToString();

                    this.UnitOfWork.Commit();
                }
            }
            catch (Exception ex)
            {

                throw new Exception(ex.Message);
            }
        }

    }
}