using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using BeWo.Data;
using BeWo.Data.Access;
using BeWo.Data.Entities;
using BeWo.Service.Core;
using BeWo.Service.DCEntityMapper;
using BeWo.Service.MessageContracts;
using BS.Shared;
using BS.Shared.Core;
using BS.Shared.DataContracts;
using BS.Shared.DataContracts.Compact;
using BS.Shared.Extensions;
using BS.Shared.Services;
using Utils = BeWo.Service.Core.Utils;


namespace BeWo.Service.Plugins
{
    public class UserService : AbstractIDSpecificDefaultClass<UserService>
    {
        //Für alte Versionen, kann später weg
        public virtual UserDC LoadUserByLoginName(string pUserName)
        {
            UserDC userDC = null;

            ApplicationUser user = DAOFactory.UserDAO.FindUserByLoginName(pUserName);
            if (user != null)
            {
                userDC = MapperFactory.UserDC_User.MapToNewDC(user);

                CompactEmployeeDC emp = userDC.Employee;
                if (emp != null)
                {
                    //foreach (var item in user.Employee.Employee2CustomerList)
                    //{
                    //    if (emp.RelatedCustomerOIDList == null)
                    //        emp.RelatedCustomerOIDList = new List<long>();
                    //    emp.RelatedCustomerOIDList.Add(item.CustomerOid.Value);
                    //}
                    emp.AllTeamMemberOids = new List<long>();

                    if (user.Employee.LeadingTeams.Count > 0)
                    {
                        emp.IsTeamLeader = true;

                        List<long> oids = new List<long>();
                        foreach (var item in user.Employee.LeadingTeams)
                        {
                            oids.Add(item.Oid.Value);

                            foreach (var member in item.MemberList)
                            {
                                emp.AllTeamMemberOids.Add(member.Oid.Value);
                            }
                        }

                        emp.LeadingTeamOids = oids;
                    }

                    //var teams = DAOFactory.SearchDAO.FindAllActiveTeamsOfEmployee(emp.EmployeeOid);
                    //emp.TeamOids = new List<long>();
                    //foreach (var t in teams)
                    //{
                    //    emp.TeamOids.Add(t.Oid.Value);

                    //    foreach (var member in t.MemberList)
                    //    {
                    //        emp.AllTeamMemberOids.Add(member.Oid.Value);
                    //    }
                    //}
                }
            }

            return userDC;
        }

        public virtual UserDC LoadUserByLoginName(string pUserName, string password)
        {
            UserDC userDC = null;

            ApplicationUser user = DAOFactory.UserDAO.FindUserByLoginName(pUserName);
            
            if (user != null && user.IsActive == ActivationTypeId.Active && DAOFactory.UserDAO.CheckPassword(user, password))
            {
                userDC = MapperFactory.UserDC_User.MapToNewDC(user);

                CompactEmployeeDC emp = userDC.Employee;
                if (emp != null)
                {
                    //foreach (var item in user.Employee.Employee2CustomerList)
                    //{
                    //    if (emp.RelatedCustomerOIDList == null)
                    //        emp.RelatedCustomerOIDList = new List<long>();
                    //    emp.RelatedCustomerOIDList.Add(item.CustomerOid.Value);
                    //}
                    emp.AllTeamMemberOids = new List<long>();
                    emp.TeamOids = new List<long>();

                    if (user.Employee.LeadingTeams.Count > 0)
                    {
                        emp.IsTeamLeader = true;

                        List<long> oids = new List<long>();
                        foreach (var item in user.Employee.LeadingTeams)
                        {
                            oids.Add(item.Oid.Value);

                            foreach (var member in item.MemberList)
                            {
                                emp.AllTeamMemberOids.Add(member.Oid.Value);
                            }
                        }

                        emp.LeadingTeamOids = oids;
                    }

                    //var teams = DAOFactory.SearchDAO.FindAllActiveTeamsOfEmployee(emp.EmployeeOid);
                    //emp.TeamOids = new List<long>();
                    //foreach (var t in teams)
                    //{
                    //    emp.TeamOids.Add(t.Oid.Value);

                    //    foreach (var member in t.MemberList)
                    //    {
                    //        emp.AllTeamMemberOids.Add(member.Oid.Value);
                    //    }
                    //}
                }
                CheckRightVersion(userDC);
            }
            
            return userDC;
        }

        private void CheckRightVersion(UserDC userDC)
        {
            var lastLogins = DAOFactory.SearchDAO.FindLastLogins(userDC.LoginName, 1).ToList();
            if (lastLogins != null && lastLogins.Count > 0)
            {
                var login = lastLogins[0];
                if (!String.IsNullOrEmpty(login.Referrer))
                {
                    //var test = "MobilClient, Version: Unbekannt";
                    //var test2 = "BeWoClient, Version: Microsoft Windows NT 6.2.9200.0;CLRVersion=4.0.30319.42000;BeWoVersion=Version 3.16;IsNet45OrNewer=True";

                    var str = login.Referrer;
                    //str = test;
                    var start = str.IndexOf("BeWoVersion=");
                    if (start > 0)
                    {
                        var stop = str.IndexOf(";", start);
                        if (stop > start)
                        {
                            //BeWoClient, Version: Microsoft Windows NT 6.2.9200.0;CLRVersion=4.0.30319.42000;BeWoVersion=Version 3.17;IsNet45OrNewer=True


                            var version = str.Substring(start + 12, stop - start - 12);
                            version = version.Replace("Version", "").Trim();

                            foreach (var ug in userDC.UserGroups)
                            {
                                var allrights = ug.Rights;
                                ug.Rights = new List<UserRightType>();
                                foreach (var r in allrights)
                                {
                                    if (IsCorrectVersion(r, version))
                                    {
                                        ug.Rights.Add(r);
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }

        private bool IsCorrectVersion(UserRightType r, string version)
        {
            var rightVersion = GetRightVersion(r);

            if (version.CompareTo(rightVersion) < 0)
            {
                return false;
            }
            return true;
        }

        private object GetRightVersion(UserRightType r)
        {
            if (r == UserRightType.Customer_ViewBetreuung || r == UserRightType.Customer_ViewAbsenceTimes)
            {
                return "3.17";
            }
            return "1.0";
        }
    }
}