using Hh.Mes.Common.Infrastructure;
using Hh.Mes.Common.log;
using Hh.Mes.Common.Request;
using Hh.Mes.POJO.Entity;
using Hh.Mes.POJO.Response;
using Hh.Mes.Service.Repository;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using Hh.Mes.Pojo.System;
using NPOI.SS.Formula.Functions;

namespace Hh.Mes.Service.Base
{
    /// <summary>
    /// OPENVPN信息
    /// </summary>
    public class BaseVpnService : RepositorySqlSugar<base_vpn>
    {
        public dynamic Load(PageReq pageReq, base_vpn entity)
        {
            return ExceptionsHelp.Instance.ExecuteT(() =>
            {
                var result = new Response();
                var expression = LinqWhere(entity);
                //先组合查询表达式(多表查询查看IOT 设备列表案例)
                var query = Context.Queryable<base_vpn>().Where(expression);
                //Exel false 分页
                if (!entity.Exel)
                {
                    int total = 0;
                    result.Result = query.ToOffsetPage(pageReq.page, pageReq.limit, ref total);
                    result.Count = total;
                }
                else
                {
                    result.Result = query.ToList();
                    result.Count = result.Result.Count;
                }
                return result;
            }, catchRetrunValue: "list");
        }
 
        public dynamic Ins(base_vpn entity)
        {
            return ExceptionsHelp.Instance.ExecuteT(() =>
            {
                var response = new Response();
                var key = Guid.NewGuid();
                entity.vpnKey = key;
                entity.createBy = sysWebUser.Account;
                entity.createTime = DateTime.Now;
                response.Status = Add(entity);
                if (!response.Status)response.Message = SystemVariable.dataActionError;
                return response;
            });
        }
 
        public dynamic Upd(base_vpn entity)
        {
            return ExceptionsHelp.Instance.ExecuteT(() =>
            {
                var response = new Response();
                //如果关联了SIM卡，不允许修改VPN账号
                var vpnSimRel = Context.Queryable<base_vpn, base_sim_vpn_rel>((x, y) => x.vpnKey == y.vpnKey)
                                       .Where((x, y) => x.id == entity.id)
                                       .Select((x, y) => new { x.id, x.vpnNumber })
                                       .First();
                
                if (vpnSimRel != null && entity.vpnNumber != vpnSimRel.vpnNumber)
                {
                    response.Code = 500;
                    response.Status = false;
                    response.Message = $"当前有sim卡已经关联了VPN，禁止修改VPN账号【{vpnSimRel.vpnNumber}】，如果要修改请先解绑vpn账号SIM卡绑定关系！";
                    return response;
                }
                entity.updateBy = sysWebUser.Account;
                entity.updateTime = DateTime.Now;
                response.Status = Update(entity);
                if (!response.Status) response.Message = SystemVariable.dataActionError;
                return response;
            });
        }
 
        public dynamic DelByIds(int[] ids)
        {
            return ExceptionsHelp.Instance.ExecuteT(() =>
            {
                var response = new Response();
                var svQuery = Context.Queryable<base_sim_vpn_rel>();
                var vpnQuery = Context.Queryable<base_vpn>();
                foreach(var id in ids)
                {
                    var vpnInfo = vpnQuery.Where(x => x.id == id).First();
                    //如果关联了SIM，禁止删除
                    var isSimRel = svQuery.Where(x => x.vpnKey == vpnInfo.vpnKey);
                    var vpnNumber = vpnInfo.vpnNumber; 
                    if (isSimRel.Any())
                    {
                        response.Code = 500;
                        response.Status = false;
                        response.Message = $"选中的VPN：{vpnNumber}关联了SIM卡{isSimRel.First().simKey}，禁止删除VPN信息，如果要删除请先解绑VPN账号SIM卡关联关系！如果不解绑，就先不要勾选删除该条VPN信息";
                        return response;
                    }
                }
                Context.Deleteable<base_vpn>().In(ids).ExecuteCommand();
                return response;
            });
        }
 
        public Response ExportData(base_vpn entity)
        {
            return Load(null, entity);
        }
 
        public Expression<Func<base_vpn, bool>> LinqWhere(base_vpn model)
        {
            try
            {
                var exp = Expressionable.Create<base_vpn>();
                //数据过滤条件
                //if (!string.IsNullOrWhiteSpace(model.XXX)) exp.And(x => x.XXX.Contains(model.XXX));
                if (!string.IsNullOrWhiteSpace(model.vpnNumber))
                {
                    exp.And(x => x.vpnNumber.Contains(model.vpnNumber));
                }
                if (!string.IsNullOrWhiteSpace(model.vpnIP))
                {
                    exp.And(x => x.vpnIP.Contains(model.vpnIP));
                }
                if (!string.IsNullOrWhiteSpace(model.virtualIP))
                {
                    exp.And(x => x.virtualIP.Contains(model.virtualIP));
                }
                return exp.ToExpression();//拼接表达式
            }
            catch (Exception ex)
            {
                throw new Exception($"{ex.Message}");
            }
        }
    }
}