using iWareCommon.Common.EnumType;
using iWareCommon.Common.Service;
using iWareCommon.Utils;
using iWareExcel.EXCEL.Dao;
using iWareExcel.EXCEL.Entity;
using iWareExcel.ORM;
using iWareExcel.Properties;
using System;
using System.Data.Entity.Validation;
using System.Linq;

namespace iWareExcel.EXCEL.Service
{
    public class WorkSheetService : CommonService<WorkSheetEntity, EXCELWorkSheet, DbModelExcel>
    {
        private static object Lock = new object();

        private WorkSheetService():base(WorkSheetDao.GetInstance()) { }

        private static WorkSheetService Instance = null;

        /// <summary>
        /// 获取单例的方法
        /// </summary>
        /// <returns>角色服务的单例实体</returns>
        public static WorkSheetService GetInstance()
        {

            if (Instance == null)
            {
                lock (Lock)
                {
                    if (Instance == null)
                    {
                        Instance = new WorkSheetService();
                    }
                }
            }
            return Instance;
        }

        public override int Save(WorkSheetEntity t, out string msg)
        {
            msg = "";
            using (var dbModel = new DbModelExcel())
            {
                try
                {
                    var workBooks = dbModel.EXCELWorkBooks.Where(x => x.id == t.WorkBookId).Select(x => new {x.id,x.name}).ToList();
                    t.WorkBookName = workBooks.Count > 0 ? workBooks[0].name : "";
                    return WorkSheetDao.GetInstance().Save(t,dbModel);
                    
                }
                catch (DbEntityValidationException ex)
                {
                    var errs = ex.EntityValidationErrors.SelectMany(validationResult => validationResult.ValidationErrors).Select(m => m.ErrorMessage);
                    msg = string.Join(", ", errs);
                    LogTextHelper.WriteLog(Resources.LogDir, this.ToString(), "Save", msg);
                    return -1;
                }
                catch (System.Data.Entity.Infrastructure.DbUpdateConcurrencyException ex)
                {
                    msg = ex.Message;
                    LogTextHelper.WriteLog(Resources.LogDir, this.ToString(), "Save", ex.Message);
                    return -1;
                }
                catch (Exception ex)
                {
                    msg = ex.HResult == (int)EDbError.记录已存在 ? EDbError.记录已存在.ToString() : ex.Message;
                    LogTextHelper.WriteLog(Resources.LogDir, this.ToString(), "Save", msg);
                    return -1;
                }
            }
        }

        public override int Update(WorkSheetEntity t, out string msg)
        {
            msg = "";
            using (var dbModel = new DbModelExcel())
            {
                try
                {
                    var workBooks = dbModel.EXCELWorkBooks.Where(x => x.id == t.WorkBookId).Select(x => new {x.id,x.name}).ToList();
                    t.WorkBookName = workBooks.Count > 0 ? workBooks[0].name : "";
                    return WorkSheetDao.GetInstance().Update(t,dbModel);
                    
                }
                catch (DbEntityValidationException ex)
                {
                    var errs = ex.EntityValidationErrors.SelectMany(validationResult => validationResult.ValidationErrors).Select(m => m.ErrorMessage);
                    msg = string.Join(", ", errs);
                    LogTextHelper.WriteLog(Resources.LogDir, this.ToString(), "Update", msg);
                    return -1;
                }
                catch (System.Data.Entity.Infrastructure.DbUpdateConcurrencyException ex)
                {
                    msg = ex.Message;
                    LogTextHelper.WriteLog(Resources.LogDir, this.ToString(), "Update", ex.Message);
                    return -1;
                }
                catch (Exception ex)
                {
                    msg = ex.HResult == (int)EDbError.记录已存在 ? EDbError.记录已存在.ToString() : ex.Message;
                    LogTextHelper.WriteLog(Resources.LogDir, this.ToString(), "Update", msg);
                    return -1;
                }
            }
        }

    }
}