using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Web.Mvc;
using BeWoPlanerMobil.Util.ReportUtils;
using BS.Shared.Core;
using BS.Shared.DataContracts;
using BS.Shared.DataContracts.Compact;
using BS.Shared.Extensions;

namespace BeWoPlanerMobil.Models
{
    public class ReportModel : AbstractModel
    {
        [Display(Name = "Klient")]
        public long? SelectedCustomerOid => SelectedCustomer?.CustomerOid;

        public CompactCustomerDC SelectedCustomer { get; set; }

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

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

                result.AddRange(Customers.Select(customer => new SelectListItem {Value = customer.CustomerOid.ToString(), Text = customer.ToString()}));

                return result;
            }
        }

        [Display(Name = "Monat")] public int SelectedMonth { get; set; } = 1;

        [Display(Name = "Jahr")] public int SelectedYear { get; set; } = 2021;

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

                for(var i = 1; i < 13; i++)
                {
                    result.Add(new SelectListItem
                    {
                        Value = i.ToString(), 
                        Text = new DateTime(DateTime.Now.Year, i, 1).ToString("MMMM")
                    });
                }

                return result;
            }
        }

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

                for(var i = DateTime.Today.Year; i > DateTime.Today.Year - 11; i--)
                {
                    result.Add(new SelectListItem
                    {
                        Value = i.ToString(), 
                        Text = i.ToString()
                    });
                }

                return result;
            }
        }

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

                var month = SelectedMonth;
                var year = SelectedYear;

                var last = new DateTime(year, month, 1).AddMonths(1).AddDays(-1).Day;

                for(var i = 1; i <= last; i++)
                {
                    result.Add(new SelectListItem
                    {
                        Value = i.ToString(),
                        Text = i.ToString()
                    });
                }

                return result;
            }
        }

        [Display(Name = "Vom")]
        public int SelectedStartDay { get; set; }

        [Display(Name = "Bis")]
        public int SelectedEndDay { get; set; }

        public ConfirmationReceiptObject ConfirmationReceiptObject { get; set; }
        
        [Display(Name = "Mitarbeiter")]
        public long? SelectedEmployeeOid => SelectedEmployee?.EmployeeOid;

        public CompactEmployeeDC SelectedEmployee { get; set; }

        public List<CompactEmployeeDC> Employees { get; set; } = new List<CompactEmployeeDC>();

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

                foreach(var employee in Employees) 
                {
                    result.AddIfNotIn(new SelectListItem
                    {
                        Value = employee.EmployeeOid.ToString(),
                        Text = employee.ToString()
                    });
                }

                return result;
            }
        }
        
        [Display(Name="Kostenträger")]
        public long? SelectedOrganisationOid => SelectedOrganisation?.OrganisationOid;

        public CompactOrganisationDC SelectedOrganisation { get; set; }

        public List<CompactOrganisationDC> Organisations { get; set; } = new List<CompactOrganisationDC>();

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

                foreach(var organisation in Organisations)
                {
                    result.AddIfNotIn(new SelectListItem()
                    {
                        Value = organisation.OrganisationOid.ToString(),
                        Text = organisation.Name
                    });
                }

                return result;
            }
        }

        [Display(Name="Leistungskategorie")]
        public long? SelectedServiceCategoryOid => SelectedServiceCategory?.ServiceCategoryOid;

        public ServiceCategoryDC SelectedServiceCategory { get; set; }

        public List<ServiceCategoryDC> ServiceCategories { get; set; } = new List<ServiceCategoryDC>();

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

                foreach(var serviceCategory in ServiceCategories)
                {
                    if(serviceCategory.ServiceCategoryOid == null)
                    {
                        continue;
                    }

                    result.AddIfNotIn(new SelectListItem
                    {
                        Value = serviceCategory.ServiceCategoryOid.ToString(),
                        Text = serviceCategory.Name
                    });
                }

                return result;
            }
        }
        
        [Display(Name="Filter")]
        public QbFilterItem SelectedFilterItem { get; set; }

        public List<QbFilterItem> QbFilters { get; set; } = new List<QbFilterItem>();

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

                foreach(var qbFilter in QbFilters)
                {
                    result.AddIfNotIn(new SelectListItem 
                    {
                        Value = ((int) qbFilter.FilterEnum).ToString(),
                        Text = qbFilter.Name
                    });
                }

                return result;
            }
        }

        [Display(Name = "Team")] 
        public long? SelectedTeamOid => SelectedTeam?.TeamOid;

        public CompactTeamDC SelectedTeam { get; set; }

        public List<CompactTeamDC> AllTeams { get; set; }

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

                foreach(var team in AllTeams)
                {
                    result.Add(new SelectListItem
                    {
                        Value = team.TeamOid.ToString(),
                        Text = team.Name
                    });
                }

                return result;
            }
        }

        public List<long> ReportServiceRecordOids { get; set; }

        public List<ConfirmationReceiptSignatureDC> ConfirmationReceiptSignatures { get; set; } = new List<ConfirmationReceiptSignatureDC>();

        public ConfirmationReceiptSignatureDC GetConfirmationReceiptSignatureByOid(long confirmationReceiptSignatureOid)
        {
            return ConfirmationReceiptSignatures.FirstOrDefault(crs => crs.ConfirmationReceiptSignatureOid == confirmationReceiptSignatureOid);
        }
    }
}