using DataDAL;
using Models.Const;
using Models.Ext;
using Models.Models;
using SamplePre.Common;
using SamplePre.DAL;
using SamplePre.DAL.DBContext;
using SamplePre.Models.Ext;
using SamplePre.Models.Tables;
using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using static System.Collections.Specialized.BitVector32;

namespace SamplePre.ProcessBll.BLL
{
    public class UsersBll
    {

        SystemDal systemDal = new SystemDal();

        /// <summary>
        /// 获取用户数据
        /// </summary>
        /// <returns></returns>
        public List<config_user_ext> GetUsers()
        {
            //List<config_user> users = DBFactory.Instance.Queryable<config_user>().ToList();

            var users = systemDal.QueryUserData();
            return users;
        }


        public List<config_role> GetRoles()
        {
            List<config_role> roles = DBFactory.Instance.Queryable<config_role>()
                .ToList();

            return roles;
        }

        public int SaveUserData(config_user configUser, List<config_user_role> roles)
        {
            //throw new NotImplementedException();

            var _db = DBFactory.Instance;

            try
            {
                _db.BeginTran();
                var val = _db.Insertable<config_user>(configUser).ExecuteCommand();
                        
                var val2 = _db.Insertable<config_user_role>(roles).ExecuteCommand();

                _db.CommitTran();
            }
            catch (Exception ex)
            {
                _db.RollbackTran();
                LoggerHelper.Logger.Error(ex.Message);
                return -1;
            }

            return 1;


        }

        public int UpdateUserData(config_user configUser, List<config_user_role> roles)
        {
            var _db = DBFactory.Instance;

            try
            {
                _db.BeginTran();
                var val = _db.Updateable<config_user>()
                                 .SetColumns(it => new config_user() { username = configUser.username
                                                                     ,password = configUser.password
                                                                     ,is_enabled = configUser.is_enabled })
                                 .Where(p => p.id == configUser.id)
                                 .ExecuteCommand();


                ////用户角色
                //先删除，后插入
                _db.Deleteable<config_user_role>().Where(p => p.user_id == configUser.id).ExecuteCommand();
                var val2 = _db.Insertable<config_user_role>(roles).ExecuteCommand();

                _db.CommitTran();
            }
            catch (Exception ex)
            {
                _db.RollbackTran();
                LoggerHelper.Logger.Error(ex.Message);
                return -1;
            }

            return 1;
        }

        public int DeleteUser(config_user user)
        {
            var _db = DBFactory.Instance;

            try
            {
                _db.BeginTran();
                var val = _db.Deleteable<config_user>(user)
                                 .Where(p => p.id == user.id)
                                 .ExecuteCommand();


                ////
                //先删除用户角色
                _db.Deleteable<config_user_role>().Where(p => p.user_id == user.id).ExecuteCommand();
              

                _db.CommitTran();
            }
            catch (Exception ex)
            {
                _db.RollbackTran();
                LoggerHelper.Logger.Error(ex.Message);
                return -1;
            }

            return 1;
        }

        public List<config_user_role> GetUserRoles(string userId)
        {

            var result = DBFactory.Instance.Queryable<config_user_role>()               
                .Where(a=> a.user_id == userId)          
                .ToList();



            return result;
        }


        public bool CheckUser(string userName, string pwd)
        {
            var users = DBFactory.Instance.Queryable<config_user>().Where(p => p.username == userName && p.password == pwd).Single();
            if(users == null || string.IsNullOrEmpty(users.username)) return false;

            SystemConst.loginUserInfo.user = users;

            //查询用户权限
            var result = DBFactory.Instance.Queryable<config_user_role>()
                .RightJoin<config_role_permisson>((a, b) => a.role_id == b.role_id)
                .LeftJoin<config_function>((a, b, c) => b.function_id == c.id)
                .Where((a, b, c) => a.user_id == users.id)               
                .Select((a, b, c) => new config_function
                {
                    id = c.id,
                    name = c.name,
                    code  = c.code,
                    parent_id = c.parent_id,
                    description = c.description
                })
                .ToList();

            SystemConst.loginUserInfo.functions = result;

            return true;
        }


    }
}