using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using WX.CRM.BLL.Util;
using WX.CRM.Common;
using WX.CRM.DAL.Wx;
using WX.CRM.IBLL.Wx;
using WX.CRM.Model.Entity;
using WX.CRM.Model.MAP;

namespace WX.CRM.BLL.Wx
{
    public class WX_USERPERCENT_BL : DbContextRepository<WX_USERPERCENT>, IWX_USERPERCENT
    {
        public List<WX_USERPERCENT_Extend> GetList(ref Pager page, decimal[] groupIds)
        {
            using (var db = new crmContext())
            {

                var innerUserGroupData = db.BAS_INNERUSERGROUP.AsQueryable();

                if (groupIds != null && groupIds.Length > 0)
                {
                    innerUserGroupData = innerUserGroupData.Where(m => groupIds.Contains(m.GID.Value));
                }

                var returnData = (from a in innerUserGroupData
                                  join b in db.BAS_INNERUSER on a.INNERUSERID equals b.PKID into jiontemp
                                  from b in jiontemp.DefaultIfEmpty()
                                  join c in db.BAS_INNERGROUP on a.GID equals c.GID into jiontemp2
                                  from c in jiontemp2.DefaultIfEmpty()
                                  join d in db.WX_USERPERCENT on b.EID equals d.EID into jiontemp3
                                  from d in jiontemp3.DefaultIfEmpty()
                                  select new WX_USERPERCENT_Extend()
                                  {
                                      EID = b.EID,
                                      GNAME = c.GNAME,
                                      GID = a.GID,
                                      DIV_PERCENT = d.DIV_PERCENT,
                                      UNAME = b.UNAME,
                                      TRUENAME = b.TRUENAME

                                  });
                returnData = returnData.OrderBy(m => m.DIV_PERCENT).OrderBy(m => m.GID);
                PagerUtil.SetPager<WX_USERPERCENT_Extend>(ref returnData, ref page);
                return returnData.ToList();

            }
        }

        public List<WX_USERPERCENT_Extend> GetList(decimal[] groupIds)
        {
            using (var db = new crmContext())
            {
                var innerUserGroupData = db.BAS_INNERUSERGROUP.AsQueryable();

                if (groupIds != null && groupIds.Length > 0)
                {
                    innerUserGroupData = innerUserGroupData.Where(m => groupIds.Contains(m.GID.Value));
                }

                var returnData = (from a in innerUserGroupData
                                  join b in db.BAS_INNERUSER on a.INNERUSERID equals b.PKID into jiontemp
                                  from b in jiontemp.DefaultIfEmpty()
                                  join c in db.BAS_INNERGROUP on a.GID equals c.GID into jiontemp2
                                  from c in jiontemp2.DefaultIfEmpty()
                                  join d in db.WX_USERPERCENT on b.EID equals d.EID into jiontemp3
                                  from d in jiontemp3.DefaultIfEmpty()
                                  where c.ISSALEDEPT == 1
                                  select new WX_USERPERCENT_Extend()
                                  {

                                      EID = b.EID,
                                      GNAME = c.GNAME,
                                      GID = a.GID.Value,
                                      DIV_PERCENT = d.DIV_PERCENT,
                                      UNAME = b.UNAME,
                                      TRUENAME = b.TRUENAME,
                                      ISDISMISS = b.ISDISMISS

                                  });
                returnData = returnData.OrderBy(m => m.GID);
                return returnData.ToList();

            }
        }

        public WX_USERPERCENT_Extend GetWxUserPercentExtend(int eid)
        {
            throw new NotImplementedException();
        }

        //public int UpdateWxUserPercent(WX_USERPERCENT model)
        //{
        //    var flag = 0;
        //    if (Exists(m => m.GID == model.GID))
        //    {
        //        if (Update(model))
        //            flag = (int)WxUpdatePercentFlag.Success;
        //    }
        //    else
        //    {
        //        flag = Add(model);
        //    }
        //    var groupSumPercent = GetList(m => m.GID == model.GID).Sum(m => m.DIV_PERCENT);
        //    if (groupSumPercent > 100)
        //    {
        //        flag = (int)WxUpdatePercentFlag.Overflow;
        //    }
        //    return flag;
        //}

        public int UpdateWxUserPercent(ref ValidationErrors errors, string percents, string gids, string eids)
        {
            try
            {
                string[] gidArr = gids.Split(',');
                string[] percentArr = percents.Split(',');
                string[] eidArr = eids.Split(',');
                if (string.IsNullOrWhiteSpace(eids) || string.IsNullOrWhiteSpace(gids) || string.IsNullOrWhiteSpace(percents))
                {
                    return (int)WxUpdatePercentFlag.ParamsError;
                }
                var distinctGidList = gidArr.Distinct().ToList(); //去重,组ID
                Dictionary<string, List<string>> gidToPercentDic = new Dictionary<string, List<string>>(); //组对应的比例
                Dictionary<string, List<string>> gidToEidDic = new Dictionary<string, List<string>>(); //组对应的eid

                //按组ID进行分类,针对一个用户针对多个组的情况，对每个组的所有人的比例和为100%进行限定
                foreach (var m in distinctGidList)
                {
                    List<string> percentList = new List<string>();
                    List<string> eidList = new List<string>();
                    for (int i = 0; i < eidArr.Length; i++)
                    {
                        string eid = eidArr[i];
                        string percenet = percentArr[i];
                        string gid = gidArr[i];
                        if (gid == m)
                        {
                            percentList.Add(percenet);
                            eidList.Add(eid);
                        }
                    }
                    gidToEidDic.Add(m, eidList);
                    gidToPercentDic.Add(m, percentList);
                }

                using (var db = new crmContext())
                {
                    foreach (var g in distinctGidList)
                    {
                        var eidDicList = gidToEidDic[g];
                        var percentDicList = gidToPercentDic[g];
                        var s = percentDicList.Select(m => Convert.ToDecimal(m)).Sum();
                        if (s != 0)
                        {
                            return (int)WxUpdatePercentFlag.NotEqualZero;
                        }
                        ////先统计出当前gid下面的所有不用修改eid的比例之和
                        //var excepListSumPercent = GetList().Where(m => (!eidDicList.Contains(m.EID.ToString()) && m.GID.ToString() == g)).Sum(m => m.DIV_PERCENT);
                        ////统计出当前gid下面的需要修改的eid用户的比例之和
                        //var percentSum = gidToPercentDic[g].Select(m => decimal.Parse(m)).Sum();
                        //if (excepListSumPercent + percentSum > 100)
                        //{
                        //    return (int)WxUpdatePercentFlag.Overflow;
                        //}
                        //if (excepListSumPercent + percentSum < 100)
                        //{
                        //    return (int)WxUpdatePercentFlag.Less;
                        //}


                        var gid = Convert.ToDecimal(g);
                        for (int i = 0; i < eidDicList.Count; i++)
                        {
                            decimal eid = Convert.ToDecimal(eidDicList[i]);
                            decimal percent = Convert.ToDecimal(percentDicList[i]);
                            if (Exists(m => m.EID == eid))
                            {
                                Update(new WX_USERPERCENT() { EID = eid, GID = gid, DIV_PERCENT = percent });
                            }
                            else
                            {
                                Add(new WX_USERPERCENT() { EID = eid, GID = gid, DIV_PERCENT = percent });
                            }
                        }
                    }


                    return (int)WxUpdatePercentFlag.Success;
                }
            }
            catch (Exception ex) { errors.Add(ex.Message); return (int)WxUpdatePercentFlag.Fail; }
        }


        public int UserAverageAllot(ref ValidationErrors errors, decimal[] groupIds)
        {
            try
            {
                Dictionary<decimal, List<decimal>> gidToEidDic = new Dictionary<decimal, List<decimal>>(); //组对应的eid
                var userList = this.GetList(groupIds);
                if (userList != null && userList.Count > 0)
                {
                    var gidList = from dbinfo in userList
                                  group dbinfo by dbinfo.GID into list
                                  select new
                                  {
                                      list.First().GID,
                                  };

                    foreach (var m in gidList.ToList())
                    {
                        List<decimal> eidList = new List<decimal>();
                        for (int i = 0; i < userList.Count; i++)
                        {
                            decimal eid = userList[i].EID;
                            decimal? gid = userList[i].GID;
                            if (gid.Value == m.GID)
                            {
                                eidList.Add(eid);
                            }
                        }
                        gidToEidDic.Add(m.GID.Value, eidList);
                    }
                    foreach (var g in gidToEidDic.Keys)
                    {
                        var eidList = gidToEidDic[g];
                        var count = eidList.Count;
                        if (count > 0)
                        {
                            var d = 100 % count;  //取余数
                            decimal percent = 0;


                            if (d == 0)
                            {
                                percent = 100 / count;
                            }
                            else
                            {
                                percent = Convert.ToDecimal(Math.Round((float)100 * 1.0 / (float)count, 2));
                            }

                            for (int i = 0; i < count; i++)
                            {
                                var eid = eidList[i];
                                if (i == count - 1)
                                {
                                    if (d != 0)
                                    {
                                        percent = 100 - percent * (count - 1);
                                    }
                                }
                                if (Exists(m => m.EID == eid))
                                {
                                    Update(new WX_USERPERCENT() { EID = eid, GID = g, DIV_PERCENT = percent });
                                }
                                else
                                {
                                    Add(new WX_USERPERCENT() { EID = eid, GID = g, DIV_PERCENT = percent });
                                }
                            }
                        }
                    }

                }
                return (int)WxUpdatePercentFlag.Success;
            }
            catch (Exception ex)
            {
                errors.Add(ex.Message); return (int)WxUpdatePercentFlag.Fail;
            }
        }

        /// <summary>
        /// 查询出改变了的  数据，进行修改
        /// </summary>
        /// <returns></returns>
        public List<WX_USERPERCENT_Extend2> GetUserPercentToPush(decimal[] gids)
        {
            using (crmContext db = new crmContext())
            {
                if (gids != null && gids.Count() > 0)
                {

                    var userPercent = from a in db.WX_USERPERCENT
                                      join b in db.BAS_INNERUSER on a.EID equals b.EID
                                      where gids.Contains(a.GID)
                                      select new WX_USERPERCENT_Extend2()
                                      {
                                          DIV_PERCENT = a.DIV_PERCENT,
                                          EID = a.EID,
                                          GID = a.GID,
                                          UNAME = b.UNAME,
                                          UserId = b.PKID
                                      };
                    return userPercent.ToList();
                }
                else
                {
                    var userPercent = from a in db.WX_USERPERCENT
                                      join b in db.BAS_INNERUSER on a.EID equals b.EID
                                      select new WX_USERPERCENT_Extend2()
                                      {
                                          DIV_PERCENT = a.DIV_PERCENT,
                                          EID = a.EID,
                                          GID = a.GID,
                                          UNAME = b.UNAME,
                                          UserId = b.PKID
                                      };
                    return userPercent.ToList();
                }
            }
        }

        /// <summary>
        /// 查询出改变了的  数据，进行修改
        /// </summary>
        /// <returns></returns>
        public List<WX_USERPERCENT_Extend2> GetUserPercentByEidsToPush(string eids)
        {
            using (crmContext db = new crmContext())
            {

                List<decimal> neids = new List<decimal>();
                foreach (string item in eids.Split(','))
                {
                    neids.Add(Convert.ToDecimal(item));
                }
                decimal[] eidDecimal = neids.ToArray();
                var userPercent = from a in db.WX_USERPERCENT
                                  join b in db.BAS_INNERUSER on a.EID equals b.EID
                                  where eidDecimal.Contains(a.EID)
                                  select new WX_USERPERCENT_Extend2()
                                  {
                                      DIV_PERCENT = a.DIV_PERCENT,
                                      EID = a.EID,
                                      GID = a.GID,
                                      UNAME = b.UNAME,
                                      UserId = b.PKID
                                  };
                return userPercent.ToList();

            }
        }

        /// <summary>
        /// 读取推送消息
        /// </summary>
        /// <returns></returns>
        public DataTable GetPushData(decimal pici)
        {
            return new WX_USERPERCENT_DAL().GetPushData(pici);
        }
    }
}