using AutoMapper;
using DTO;
using IServices;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using zhengcaioa.Models;

namespace Services
{
   public class HrDeptService : IHrDeptService
    {
        private readonly zhengcaioaContext _context;
        private readonly IMapper _mapper;
        public HrDeptService(zhengcaioaContext context, IMapper mapper)
        {
            _context = context;
            _mapper = mapper;
        }


        public ResultEntity save(HrDeptDTO hrDeptDTO)
        {
            ResultEntity resultEntity = new ResultEntity();
            try
            {
                var hrDept = _mapper.Map<HrDept>(hrDeptDTO);
                if (String.IsNullOrEmpty(hrDept.Id))
                {
                    hrDept.Id = Guid.NewGuid().ToString();
                    if (string.IsNullOrWhiteSpace(hrDept.Superior))
                    {
                        hrDept.Levels = "1";
                        hrDept.Superior = "";
                    }
                    else
                    {
                       var superiordept =  _context.HrDepts.Find(hrDept.Superior);
                        int aa = 0;
                        int.TryParse(superiordept.Levels, out aa);
                        hrDept.Levels = (aa+1).ToString();
                    }
                    
                    _context.HrDepts.Add(hrDept);
                }
                else
                {
                    var updatepltRole = _context.HrDepts.Find(hrDept.Id);
                    updatepltRole.DeptSn = hrDept.DeptSn;
                    updatepltRole.DeptName = hrDept.DeptName;
                    updatepltRole.Director = hrDept.Director;
                    updatepltRole.DeptType = hrDept.DeptType;
                    updatepltRole.Sort = hrDept.Sort;
                    updatepltRole.QiyongStatus = hrDept.QiyongStatus;



                    if (string.IsNullOrWhiteSpace(hrDept.Superior))
                    {
                        hrDept.Levels = "1";
                        hrDept.Superior = "";
                    }
                    else
                    {
                        var superiordept = _context.HrDepts.Find(hrDept.Superior);
                        int aa = 0;
                        int.TryParse(superiordept.Levels, out aa);
                        hrDept.Levels = (aa + 1).ToString();
                    }
                    updatepltRole.Levels = hrDept.Levels;
                    updatepltRole.Superior = hrDept.Superior;

                    updatepltRole.RecStatus = hrDept.RecStatus;
                    // updatepltRole.Creater = pltRole.Creater;
                    //updatepltRole.Createtime = pltRole.Createtime;
                    updatepltRole.Modifier = hrDept.Modifier;
                    updatepltRole.Modifytime = hrDept.Modifytime;

                }

                _context.SaveChanges();
                resultEntity.ReturnID = hrDept.Id;
                resultEntity.Result = true;
            }
            catch (Exception ex)
            {
                resultEntity.Result = false;
                resultEntity.Message = "保存失败，请联系管理员";

            }
            return resultEntity;
        }

        public HrDeptDTO Get(string id)
        {
            var entity = _context.HrDepts.Find(id);

            if (entity==null || entity.RecStatus != "A")
            {
                entity = new HrDept();
            }
            var hrDeptDTO = _mapper.Map<HrDeptDTO>(entity);
            return hrDeptDTO;
        }

        public ResultDataEntity<HrDeptDTO> SearchByPaging(HrDeptDTOSearch searchEntity)
        {
            ResultDataEntity<HrDeptDTO> data = new ResultDataEntity<HrDeptDTO>();
            // List<HrDeptDTO> list = new List<HrDeptDTO>();
            ////筛选
            ////筛选
            //StringBuilder sql = new StringBuilder();
            //sql.Append(" SELECT a.[Id] Id,a.[dept_sn] DeptSn,a.[dept_name] DeptName,a.[director] Director,a.[dept_type] DeptType,a.[levels] Levels,a.[superior] Superior,a.[superior_top] SuperiorTop,a.[sort] Sort,a.[rec_status] RecStatus,a.[creater] Creater,a.[createtime] Createtime ,a.[modifier] Modifier,a.[modifytime] Modifytime,b.dept_name  SuperiorName,c.[user_name] DirectorName ");
            //sql.Append(" from  [hr_dept] a left join [hr_dept] b on a.superior= b.id and b.rec_status='A'  left join [plt_user] c on a.director=c.Id and c.rec_status='A' ");
            //sql.Append(" where a.rec_status = 'A' ");


            //if (!string.IsNullOrWhiteSpace(searchEntity.DeptName))
            //{
            //    sql.Append(" and a.dept_name  like '%" + searchEntity.DeptName.Trim().Replace("'", "''") + "%'");

            //}

            //if (!string.IsNullOrWhiteSpace(searchEntity.Director))
            //{
            //    sql.Append(" and c.[user_name]  like '%" + searchEntity.Director.Trim().Replace("'", "''") + "%'");

            //}

            //if (!string.IsNullOrWhiteSpace(searchEntity.DeptType))
            //{
            //    sql.Append(" and a.[dept_type]  = '" + searchEntity.DeptType.Trim().Replace("'", "''") + "'");

            //}

            //if (!string.IsNullOrWhiteSpace(searchEntity.Superior))
            //{
            //    sql.Append(" and b.dept_name  like '%" + searchEntity.Superior.Trim().Replace("'", "''") + "%'");

            //}

            //  var query = _context.HrDeptChaxuns.FromSqlRaw(sql.ToString())
            //      .OrderByDescending(x => x.Modifytime)
            //.ToList();
            var listCode = (from a in _context.SysCodeDtls
                            join b in _context.SysCodes
                            on a.CodeId equals b.Id
                            where a.RecStatus == "A"
                                          && b.RecStatus == "A"
                            select new CodeDataEntity()
                            {
                                CodeId = b.Id,
                                CodeTable = b.CodeTable,
                                CodeField = b.CodeField,
                                CodeSn = a.CodeSn,
                                Comments = a.Comments,
                                Contents = a.Contents,
                                RecStatus = a.RecStatus,
                                Sort = a.Sort
                            }
                     );

            var query = (from a in _context.HrDepts//.Where(x => x.RecStatus == "A")
                         join b in _context.HrDepts.Where(x => x.RecStatus == "A") on a.Superior equals b.Id
                         into dept
                         from d in dept.DefaultIfEmpty()
                         join c in _context.PltUsers.Where(x => x.RecStatus == "A") on a.Director equals c.Id
                         into user
                         from u in user.DefaultIfEmpty()
                         join f in listCode.Where(x => x.CodeTable == "system" && x.CodeField == "shifou")
                         on a.QiyongStatus equals f.CodeSn
                         where a.RecStatus == "A"
                         && (string.IsNullOrWhiteSpace(searchEntity.DeptName) || a.DeptName.Contains(searchEntity.DeptName.Trim()))
                         && (string.IsNullOrWhiteSpace(searchEntity.Director) || (u != null && u.UserName.Contains(searchEntity.Director.Trim())))
                          && (string.IsNullOrWhiteSpace(searchEntity.DeptType) || a.DeptType == searchEntity.DeptType.Trim())
                          && (string.IsNullOrWhiteSpace(searchEntity.Superior) || (d != null && d.DeptName.Contains(searchEntity.Superior.Trim())))
                            && (string.IsNullOrWhiteSpace(searchEntity.QiyongStatus) || a.QiyongStatus == searchEntity.QiyongStatus.Trim())
                             && (string.IsNullOrWhiteSpace(searchEntity.DeptnullName) || a.DeptName != searchEntity.DeptnullName.Trim())
                         select new HrDeptDTO
                         {
                            Id = a.Id,
                             DeptSn = a.DeptSn,
                             DeptName = a.DeptName,
                             Director = a.Director,
                             DirectorName = u.UserName,
                             DeptType = a.DeptType,
                             Levels = a.Levels,
                             Superior = a.Superior,
                             SuperiorName = d.DeptName,
                             SuperiorTop = a.SuperiorTop,
                             Sort = a.Sort,
                             RecStatus = a.RecStatus,
                             Creater = a.Creater,
                             Createtime = a.Createtime,
                             Modifier = a.Modifier,
                             Modifytime = a.Modifytime,
                             QiyongStatus = a.QiyongStatus,
                             QiyongStatusName = f.Comments,
                         }).OrderByDescending(x => x.Modifytime).ToList();

            //if (!string.IsNullOrWhiteSpace(searchEntity.DeptName))
            //{
            //    query = query.Where(x => x.DeptName.Contains(searchEntity.DeptName.Trim())).ToList();


            //}

            //if (!string.IsNullOrWhiteSpace(searchEntity.Director))
            //{
            //    query = query.Where(x => x.DirectorName.Contains(searchEntity.Director.Trim())).ToList();

            //}

            //if (!string.IsNullOrWhiteSpace(searchEntity.DeptType))
            //{
            //    query = query.Where(x => x.DeptType == searchEntity.DeptType).ToList();

            //}

            //if (!string.IsNullOrWhiteSpace(searchEntity.Superior))
            //{
            //    query = query.Where(x => x.SuperiorName != null && x.SuperiorName.Contains(searchEntity.Superior.Trim())).ToList();

            //}






            //query = query.OrderByDescending(x => x.Modifytime).ToList();
            //if (searchEntity.totalrows == 0)
                searchEntity.totalrows = query.Count();
            var rolelist = query.Skip((searchEntity.page - 1) * searchEntity.rows).Take(searchEntity.rows).ToList();
            //list = _mapper.Map<List<HrDeptDTO>>(rolelist);
            data.LoadData(searchEntity, rolelist);
            return data;
        }

        public ResultEntity ModifyStatus(string id, string userid)
        {

            ResultEntity result = new ResultEntity();
            result.Result = true;

            var model = _context.HrDepts.Find(id);
            if (model != null)
            {
                model.RecStatus = "D";
                model.Modifier = userid;
                model.Modifytime = DateTime.Now;
                _context.SaveChanges();
            }

            return result;
        }



        /// <summary>
        /// 获取所有有效部门
        /// </summary>
        /// <returns></returns>
        public List<HrDeptDTO> GetList()
        {

            //StringBuilder sql = new StringBuilder();
            //sql.Append(" with t as ");
            //sql.Append(" ( select b.* from [hr_dept] b where b.[superior] = '' and b.rec_status='A' and b.qiyong_status='A' ");
            //sql.Append("  union all ");
            //sql.Append("   select a.* from [hr_dept] a join t b on a.[superior]=b.[Id] and a.rec_status='A' and a.qiyong_status='A' ) ");
            //sql.Append("  select [Id],[dept_sn], replace(space((CAST([levels] as int)-1)*2)+[dept_name],' ','　')   [dept_name],[director],[dept_type],[levels],[superior],[superior_top],[sort],[rec_status],[creater],[createtime],[modifier],[modifytime],[qiyong_status]  ");
            //sql.Append(" from t ");


            //var listPosition = _context.HrDepts.FromSqlRaw(sql.ToString()).ToList();

            //var listPositionss = departmentRecursion("",listPosition);
            var listPosition = _context.HrDepts.Where(x=>x.RecStatus =="A" && x.QiyongStatus=="A" && x.DeptName!="公司").OrderBy(x => x.DeptSn).ToList();
            var list = _mapper.Map<List<HrDeptDTO>>(listPosition);
            return list;
        }



        private List<HrDept>  departmentRecursion(String Superior, List<HrDept> obj)
        {
            List<HrDept> hrDepts = new List<HrDept>();
            List<HrDept> temp = new List<HrDept>();

            for (int i = 0; i < obj.Count; i++)
            {
                if (obj[i].Superior == Superior)
                {
                    hrDepts.Add(obj[i]);
                    temp = departmentRecursion(obj[i].Id, obj);
                    if (temp.Count > 0)
                    {
                        for(int j=0;j< temp.Count; j++)
                        {
                            hrDepts.Add(temp[j]);

                        }
                    }
                }
            }
            
            return hrDepts.OrderBy(x=>x.DeptSn).ToList();
        }

    }
}