using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using AutoMapper;
using SqlSugar;
using WIDESEAWCS_Core;
using WIDESEAWCS_Core.BaseRepository;
using WIDESEAWCS_Core.BaseServices;
using WIDESEAWCS_ITelescopicService;
using WIDESEAWCS_Model.Models;
using WIDESEAWCS_DTO;
using OfficeOpenXml.FormulaParsing.Excel.Functions.DateTime;
using WIDESEAWCS_DTO.Telescopic;

namespace WIDESEAWCS_TelescopicService
{
    public class MaintenanceService : ServiceBase<Dt_Maintenance, IRepository<Dt_Maintenance>>, IMaintenanceService
    {
        public IRepository<Dt_Maintenance> Repository => BaseDal;
        private readonly IRepository<Sys_User> _user;

        public MaintenanceService(IRepository<Dt_Maintenance> BaseDal, IRepository<Sys_User> user) : base(BaseDal)
        {
            _user = user;
        }
        public WebResponseContent ShowMaintence(PaginationDTO pagination)
        {
            try
            {
                int totalCount = 0;
                var sys = _user.Db.Queryable<Sys_User>();
                var main = Db.Queryable<Dt_Maintenance>();

                var query = sys.InnerJoin<Dt_Maintenance>((a, b) => a.UserName == b.UserAccount);
                if (!string.IsNullOrEmpty(pagination.searchKeyword))
                {
                    query = query.Where((a, b) =>
                       a.UserTrueName.Contains(pagination.searchKeyword) ||
                         a.UserName.Contains(pagination.searchKeyword) ||
                        a.CardNumber.ToString().Contains(pagination.searchKeyword)||
                         a.Userteam.Contains(pagination.searchKeyword)
                    );
                }
                    var result= query .Select((a, b) => new
                            {
                               b.ID,
                               a.UserTrueName,
                               a.UserName,
                               a.CardNumber,
                               a.Userteam,
                               a.HeadImageUrl,
                               b.IsPossible
                           }).ToPageList(pagination.pageIndex, pagination.pageSize, ref totalCount);
                return new WebResponseContent
                {
                    Status = true,
                    Data = new
                    {
                        TotalCount = totalCount,//总数
                        PageIndex = pagination.pageIndex,//页数
                        PageSize = pagination.pageSize,//一页多少个数据
                        Items = result
                    }
                };
            }
            catch (Exception ex)
            {
                return new WebResponseContent { Status = false, Data = ex.Message };
            }
        }




        /// <summary>
        /// 模糊查询
        /// </summary>
        /// <param name="pageIndex"></param>
        /// <param name="pageSize"></param>
        /// <param name="searchKeyword"></param>
        /// <returns></returns>
        public WebResponseContent PersonnelMonitoring(PaginationDTO pagination)
        {
            try
            {
                int totalCount = 0;
                var sys = _user.Db.Queryable<Sys_User>();
                var main = Db.Queryable<Dt_Maintenance>();

                var query = sys.InnerJoin<Dt_Maintenance>((a, b) => a.UserName == b.UserAccount)
                               .Where((a, b) => b.IsPossible == "true"); // 先筛选 IsPossible 为 true 的数据

                // 如果提供了搜索关键字，则进行模糊查询
                if (!string.IsNullOrEmpty(pagination.searchKeyword))
                {
                    query = query.Where((a, b) =>
                        a.UserTrueName.Contains(pagination.searchKeyword) ||   // 按真实姓名模糊搜索
                        a.Userteam.Contains(pagination.searchKeyword));        // 按用户班组模糊搜索
                }

                // 如果提供了 status 参数，则按状态筛选
                if (pagination.status.HasValue)//等价if（status！=null）
                {
                    query = query.Where((a, b) => b.MaintenanceStatus == pagination.status.Value);
                }

                var result = query
                    .Select((a, b) => new
                    {
                        a.UserTrueName,
                        a.Userteam,
                        a.HeadImageUrl,
                        b.MaintenanceStatus,
                        b.MaintenanceDate,
                        b.IsPossible,
                    })
                    .ToPageList(pagination.pageIndex, pagination.pageSize, ref totalCount); // 分页

                return new WebResponseContent
                {
                    Status = true,
                    Data = new
                    {
                        TotalCount = totalCount, // 总数
                        PageIndex = pagination.pageIndex,   // 当前页码
                        PageSize = pagination.pageSize,     // 每页数据量
                        Items = result
                    }
                };
            }
            catch (Exception ex)
            {
                return new WebResponseContent { Status = false, Data = ex.Message };
            }
        }






        public WebResponseContent RunOperation(int id, string  ispossible)
        {
            try
            {
                var mon = BaseDal.QueryFirst(x => x.ID == id);
                if (ispossible == "true")
                {
                    mon.IsPossible = "true";
                    mon.MaintenanceDate = DateTime.Now;
                    BaseDal.UpdateData(mon);
                }
                else
                {
                    mon.IsPossible = "false";
                    BaseDal.UpdateData(mon);
                }
                return new WebResponseContent { Status = true, Data = mon };
            }
            catch (Exception ex)
            {

                return new WebResponseContent { Status = false, Message = "失败：" + ex };
            }
        }

        public WebResponseContent ChangeTasState(int id)
        {
            try
            {
                var change = BaseDal.QueryFirst(x => x.ID == id);
                //将数据库中的int 值转为 枚举型
                if (!Enum.IsDefined(typeof(Maint), change.MaintenanceStatus))
                {
                    return new WebResponseContent { Status = false, Message = "当前状态不合法，无法更新" };
                }

                Maint Status = (Maint)change.MaintenanceStatus; //int ->枚举

                switch (Status)
                {
                    case Maint.待开始:
                        change.MaintenanceStatus = (int)Maint.检修中;
                        change.MaintenancStartTime = DateTime.Now;
                        break;
                    case Maint.检修中:
                        change.MaintenanceStatus = (int)Maint.已完成;
                        break;
                    case Maint.已完成:
                        change.MaintenancEendTime = DateTime.Now;
                        return new WebResponseContent { Status = false, Message = "当前任务已完成" };
                    default:
                        return new WebResponseContent { Status = false, Message = "更新失败" };
                }
                return new WebResponseContent { Status = true, Data = change };
            }
            catch (Exception ex)
            {

                return new WebResponseContent { Status = false, Message = "错误:" + ex };
            }


        }

        /// <summary>
        /// 检修操作记录
        /// </summary>
        /// <param name="pageIndex">页数</param>
        /// <param name="pageSize">一页多少个数据</param>
        /// <returns></returns>
        public WebResponseContent MaintenanceOperationRecord(PaginationDTO pagination)
        {
            try
            {
                int totalCount = 0;
                var sys = _user.Db.Queryable<Sys_User>();
                var main = Db.Queryable<Dt_Maintenance>();

                var query = sys.InnerJoin<Dt_Maintenance>((a, b) => a.UserName == b.UserAccount);

                if (!string.IsNullOrEmpty(pagination.searchKeyword))
                {
                    query = query.Where((a, b) =>
                        a.UserTrueName.Contains(pagination.searchKeyword)||
                        a.Userteam.Contains(pagination.searchKeyword)||
                        a.HeadImageUrl.Contains(pagination.searchKeyword)
                    );
                }

                if (pagination.startDate.HasValue && pagination.endDate.HasValue)
                {
                    query = query.Where((a, b) => b.MaintenancStartTime >= pagination.startDate.Value && b.MaintenancStartTime <= pagination.endDate.Value);
                }

                var result = query.Select((a, b) => new
                {
                    a.UserTrueName,
                    a.Userteam,
                    a.HeadImageUrl,
                    b.MaintenancStartTime,
                    b.MaintenancEendTime,
                }).ToPageList(pagination.pageIndex, pagination.pageSize, ref totalCount);

                return new WebResponseContent
                {
                    Status = true,
                    Data = new
                    {
                        TotalCount = totalCount,//总数
                        PageIndex = pagination.pageIndex,//页数
                        PageSize = pagination.pageSize,//一页多少个数据
                        Items = result
                    }
                };
            }
            catch (Exception ex)
            {

                return new WebResponseContent { Status = false, Message = "错误信息：" + ex.Message };
            }
        }

      

        /// <summary>
        /// 状态枚举
        /// </summary>
        private enum Maint
        {
            //待检修=0,
            待开始=0,
            检修中=1,
            已完成=2

        }

    }
}