using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BLL
{
    /// <summary>
    /// 党支部基本情况
    /// </summary>
    public class BasicInformationService
    {
        /// <summary>
        /// 根据主键获取党支部基本情况
        /// </summary>
        /// <param name="basicInformationId"></param>
        /// <returns></returns>
        public static Model.Party_BasicInformation GetBasicInformationById(string basicInformationId)
        {
            return Funs.DB.Party_BasicInformation.FirstOrDefault(e => e.BasicInformationId == basicInformationId);
        }

        /// <summary>
        /// 根据年份获取党支部基本情况
        /// </summary>
        /// <param name="year"></param>
        /// <returns></returns>
        public static Model.Party_BasicInformation GetBasicInformationByYear(string year)
        {
            return Funs.DB.Party_BasicInformation.FirstOrDefault(e => e.Year == Convert.ToInt32(year));
        }

        /// <summary>
        /// 获取最近的党支部基本情况
        /// </summary>
        /// <returns></returns>
        public static Model.Party_BasicInformation GetOldBasicInformation()
        {
            return Funs.DB.Party_BasicInformation.OrderByDescending(x => x.Year).FirstOrDefault();
        }

        /// <summary>
        /// 添加党支部基本情况
        /// </summary>
        /// <param name="basicInformation"></param>
        public static void AddBasicInformation(Model.Party_BasicInformation basicInformation)
        {
            Model.Party_BasicInformation newBasicInformation = new Model.Party_BasicInformation
            {
                BasicInformationId = basicInformation.BasicInformationId,
                Year = basicInformation.Year,
                Name = basicInformation.Name,
                StartDate = basicInformation.StartDate,
                Component = basicInformation.Component,
                PartyerNum = basicInformation.PartyerNum,
                PersonNum = basicInformation.PersonNum,
                PartyGroupNum = basicInformation.PartyGroupNum,
                Commendation = basicInformation.Commendation,
                Punishment = basicInformation.Punishment
            };
            Funs.DB.Party_BasicInformation.InsertOnSubmit(newBasicInformation);
            Funs.DB.SubmitChanges();
        }

        /// <summary>
        /// 修改党支部基本情况
        /// </summary>
        /// <param name="basicInformation"></param>
        public static void UpdateBasicInformation(Model.Party_BasicInformation basicInformation)
        {
            Model.Party_BasicInformation newBasicInformation = Funs.DB.Party_BasicInformation.FirstOrDefault(e => e.BasicInformationId == basicInformation.BasicInformationId);
            if (newBasicInformation != null)
            {
                newBasicInformation.Name = basicInformation.Name;
                newBasicInformation.StartDate = basicInformation.StartDate;
                newBasicInformation.Component = basicInformation.Component;
                newBasicInformation.PartyerNum = basicInformation.PartyerNum;
                newBasicInformation.PersonNum = basicInformation.PersonNum;
                newBasicInformation.PartyGroupNum = basicInformation.PartyGroupNum;
                newBasicInformation.Commendation = basicInformation.Commendation;
                newBasicInformation.Punishment = basicInformation.Punishment;
                Funs.DB.SubmitChanges();
            }
        }

        /// <summary>
        /// 根据主键删除党支部基本情况
        /// </summary>
        /// <param name="basicInformationId"></param>
        public static void DeleteBasicInformationById(string basicInformationId)
        {
            Model.Party_BasicInformation basicInformation = Funs.DB.Party_BasicInformation.FirstOrDefault(e => e.BasicInformationId == basicInformationId);
            if (basicInformation != null)
            {
                CommonService.DeleteAttachFileById(basicInformationId);
                Funs.DB.Party_BasicInformation.DeleteOnSubmit(basicInformation);
                Funs.DB.SubmitChanges();
            }
        }
    }
}