using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Web.Services;

using BeWo.Data.Access;
using BeWo.Service.ServiceContracts;
using BeWo.Service.ServiceImplementations;

using BeWoPlanerAndroid.Service;

using BS.Shared;
using BS.Shared.Core;
using BS.Shared.DataContracts.Compact;
using BS.Shared.Extensions;
using Newtonsoft.Json;

namespace BeWoPlanerAndroid
{
    [WebService(Namespace = "bliblablubb.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    // Wenn der Aufruf dieses Webdiensts aus einem Skript mithilfe von ASP.NET AJAX zulässig sein soll, heben Sie die Kommentarmarkierung für die folgende Zeile auf. 
    // [System.Web.Script.Services.ScriptService]
    public class AndroidSoapService : WebService
    {
        protected readonly ICustomerService CustomerService = new MobileSessionFacade().CustomerService;
        protected readonly IUserService     UserService     = new MobileSessionFacade().UserService;
        protected readonly IEmployeeService EmployeeService = new MobileSessionFacade().EmployeeService;

        public static string Tenant;

        [WebMethod(EnableSession = true)]
        public string Login(string pTenant, string pUsername, string pPassword)
        {
            MobileSessionFacade.Tenant = pTenant;
            Tenant = pTenant;

            SoapHibernateSessionManager.ConfigureHibernateSession();

            var s = new UserServiceImp();

            if(s.IsUserValid(pUsername, pPassword, null, "SOAPClient", false) == UserValidationResult.UserValid)
            {
                var user = DAOFactory.UserDAO.FindUserByLoginName(pUsername);

                if (user == null || !DAOFactory.SearchDAO.CheckIfEmployeeIsAllowedToChat(user.Employee.Person.Oid.Value))
                {
                    return null;
                }

                if(!DAOFactory.UserDAO.CheckPassword(user, pPassword))
                {
                    return null;
                }

                MobileSessionFacade.LoggedInUser = user;
                
                return user.Employee.Oid.Value + ";" + user.Employee.Person.FirstNameLastName + ";" + user.LoginName + ";" + user.Employee.Person.Oid.Value;
            }

            return null;
        }

        [WebMethod(EnableSession = true)]
        public string TenantNochExistent()
        {
            SoapHibernateSessionManager.ConfigureHibernateSession();

            var customer = CustomerService.GetCompactCustomerDC(46L);

            var result = SerializeObject(customer);

            return result;
        }

        [WebMethod(EnableSession = true)]
        public void UpdateCustomer(string pParam)
        {
            var customerVonAndroidZurueck = JsonConvert.DeserializeObject<CompactCustomerDC>(pParam);

            SoapHibernateSessionManager.ConfigureHibernateSession();
        }

        [WebMethod(EnableSession = true)]
        public string GetAllChatMessagesForSenderAndRecipient(long pSenderPersonOid, long pRecipientPersonOid, string pExceptions, bool pIsForTeam)
        {
            Debug.WriteLine(pExceptions);

            var exceptions = new List<long>();

            if (pExceptions.Length > 0 && pExceptions.Contains(";"))
            {
                var splittedString = pExceptions.Split(';');
                exceptions = splittedString.Select(item => Convert.ToInt64(item)).ToList();
            }

            var messages = DAOFactory.SearchDAO.FindAllChatMessagesForAndroid(pSenderPersonOid, pRecipientPersonOid, exceptions, pIsForTeam);

            messages.DoForEach(dfe => Debug.WriteLine(dfe.Oid.Value));

            return JsonConvert.SerializeObject(messages);
        }

        [WebMethod(EnableSession = true)]
        public string GetServerAddressByToken(string pToken)
        {
            // Token überprüfen -> wenn falsch oder abgelaufen -> null zurückgeben


            return pToken == null ? null : "das-nur-ein-test;demo";
        }

        [WebMethod(EnableSession = true)]
        public string GetContactsForPerson(long pPersonOid)
        {
            // erst mal nur für Mitarbeiter

            // employee oder customer laden
            var employee = DAOFactory.SearchDAO.FindEmployeeWithPersonOid(pPersonOid);
            var customer = DAOFactory.SearchDAO.FindCustomerWithPersonOid(pPersonOid);

            var isEmployee = customer == null;
            // mit den eigenen Klienten und allen anderen Mitarbeitern

            var customerOids = employee.Employee2CustomerList.Select(s => s.CustomerOid.Value);
            var customers = CustomerService.GetCompactCustomersById(customerOids);

            var employees = EmployeeService.GetAllActiveEmployeesCompact().Where(w => !Equals(w.EmployeeOid, employee.Oid.Value));

            var result = employees.Select(emp => new ChatPerson(emp.PersonOid, emp.FirstName + " " + emp.LastName, false, null, null)).ToList();
            result.AddRange(customers.Select(cus => new ChatPerson(cus.PersonOid, cus.FullName, false, null, null)));

            var teams = DAOFactory.SearchDAO.FindTeamsOfEmployee(employee.Oid.Value).Where(w => w.MemberList.Count > 1);

            foreach(var team in teams)
            {
                var teamMembers = team.MemberList;

                var memberString = "";
                var memberNames = "";
                foreach(var member in teamMembers)
                {
                    memberString += member.Person.Oid.Value;

                    memberNames += member.Person.FirstNameLastName;

                    if(teamMembers.IndexOf(member) < teamMembers.Count - 1)
                    {
                        memberString += ";";
                        memberNames += ", ";
                    }
                }

                result.Add(new ChatPerson(team.Oid.Value, team.Name, true, memberString, memberNames));
            }

            return SerializeObject(result);
        }

        private static string SerializeObject(object obj)
        {
            return JsonConvert.SerializeObject(obj, Formatting.Indented, new JsonSerializerSettings { ContractResolver = new ShouldSerializeContractResolver(), ReferenceLoopHandling = ReferenceLoopHandling.Ignore });
        }

        public class ChatPerson
        {
            public long Oid { get; set; }

            public string Name { get; set; }

            public bool IsTeam { get; set; }

            public string TeamMemberOids { get; set; }

            public string TeamMemberNames { get; set; }

            public ChatPerson(long pOid, string pName, bool pIsTeam, string pTeamMemberOids, string pTeamMemberNames)
            {
                Oid            = pOid;
                Name           = pName;
                IsTeam         = pIsTeam;
                TeamMemberOids = pTeamMemberOids;
                TeamMemberNames = pTeamMemberNames;
            }
        }
    }
}