using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Web.Mvc;
using BeWo.View.Navigation.Filter;
using BeWoPlanerMobil.Controllers;
using BeWoPlanerMobil.Service;
using BeWoPlanerMobil.Util;
using BS.Shared;
using BS.Shared.DataContracts;
using BS.Shared.DataContracts.Compact;
using DevExpress.XtraPrinting.Native;
using DevExpress.XtraReports.UI;

namespace BeWoPlanerMobil.Models
{
    public class CustomerModel : AbstractModel
    {
        [Display(Name = "Klient")]
        public long? SelectedCustomerOid { get; set; }

        public CustomerDC SelectedCustomer { get; set; }

        public List<CompactCustomerDC> Customers { get; set; }

        public IEnumerable<SelectListItem> CustomerListItems
        {
            get
            {
                var result = new List<SelectListItem> { new SelectListItem { Value = "-1", Text = string.Empty } };
                result.AddRange(Customers.Select(item => new SelectListItem { Value = item.CustomerOid.ToString(), Text = string.Format("{1}, {0}", item.FirstName, item.LastName) }).ToList());

                return result;
            }
        }

        public Dictionary<string, string> ICD10Diagnosen { get; set; }

        public JsonCustomer SelectedJsonCustomer => SelectedCustomer != null ? new JsonCustomer(SelectedCustomer, FolderTree, ICD10Diagnosen) : null;

        [Display(Name = "Filter")]
        public CustomerFilterEnum SelectedCustomerFilter { get; set; }

        public List<SelectListItem> CustomerFilter
        {
            get
            {
                var result = new List<SelectListItem>();

                var user = MobileSessionFacade.LoggedInUser;

                const string allCustomers         = "Alle Klienten anzeigen";
                const string myCustomersOnly      = "Nur meine Klienten anzeigen";
                const string myTeamsCustomersOnly = "Nur Klienten meiner Teams anzeigen";

                const string allCustomersValue     = "0";
                const string myCustomersValue      = "1";
                const string myTeamsCustomersValue = "2";

                if(user != null)
                {
                    if(user.CheckForAtLeastOneRight(new List<UserRightType> { UserRightType.ViewAll, UserRightType.CustomerView_View}))
                    {
                        result.Add(new SelectListItem { Text = allCustomers, Value = allCustomersValue });
                        result.Add(new SelectListItem { Text = myCustomersOnly, Value = myCustomersValue });

                        if(user.CheckForRight(UserRightType.Customer_ViewMyTeams))
                        {
                            result.Add(new SelectListItem {Text = myTeamsCustomersOnly, Value = myTeamsCustomersValue });
                        }
                    }
                    else if(user.CheckForRight(UserRightType.Customer_ViewMyTeams))
                    {
                        result.Add(new SelectListItem { Text = myCustomersOnly, Value = myCustomersValue });
                        result.Add(new SelectListItem { Text = myTeamsCustomersOnly, Value = myTeamsCustomersValue });
                    }
                }

                return result;
            }
        }

        public List<BeWoFolderDC> FolderTree { get; set; }

        public List<CustomerReportType> ReportTypes { get; set; }

        [Display(Name = "Bericht")]
        public CustomerReportType SelectedReportType { get; set; }

        public List<SelectListItem> ReportTypeItems
        {
            get
            {
                var result = new List<SelectListItem>();

                foreach(var reportType in ReportTypes ?? new List<CustomerReportType>())
                {
                    result.Add(new SelectListItem
                    {
                        Value = ((int) reportType).ToString(),
                        Text = reportType == CustomerReportType.Bedarfsmedikation ? "Bedarfsmedikation" : reportType == CustomerReportType.Medikamentenliste ? "Aktuelle Medikamentenverordnung" : "Historie"
                    });
                }

                return result;
            }
        }

        public List<SelectListItem> OldMedLists
        {
            get
            {
                var result = new List<SelectListItem>();

                var ungueltigeListen = SelectedCustomer.Medikamentenverordnungslisten.Where(w => !w.Gueltig).OrderBy(x => x.ErstellDatum).ToList();

                foreach(var list in ungueltigeListen)
                {
                    result.Add(new SelectListItem
                    {
                        Value = list.MedikamentenverordnungslistenOid.Value.ToString(),
                        Text = $"{(list.MedListType ? "Medikamentenverordnungsliste" : "Bedarfsmedikamentenverordnungsliste")} vom {list.ErstellDatum}"
                    });
                }

                return result;
            }
        }

        public XtraReport Report { get; set; }

        public string ReportName { get; set; }

        public List<BargeldkassenDC> Bargeldkassen { get; set; }

        [Display(Name = "Kategorie")]
        public long? SelectedAbsenceReason { get; set; }

        public List<AbsenceReasonDC> AllAbsenceReasons { get; set; }

        public List<SelectListItem> AbsenceReasonItems
        {
            get
            {
                var result = new List<SelectListItem>();

                foreach(var absenceReason in AllAbsenceReasons)
                {
                    if(absenceReason.AbsenceReasonOid is null)
                    {
                        continue;
                    }

                    result.Add(new SelectListItem
                    {
                        Value = absenceReason.AbsenceReasonOid.Value.ToString(),
                        Text = absenceReason.Description
                    });
                }

                return result;
            }
        }
    }
}