using System.Collections.Generic;
using System.Linq;
using BeWo.ServiceProxy;
using BeWo.ViewModel;
using BS.Shared.DataContracts;
using BS.Shared.Extensions;

namespace BeWo.View.Detail
{
    public partial class InvoiceNumberView : BeWoView
    {
        private IList<InvoiceNumberVM> _Viewmodel;

        public InvoiceNumberView(IList<InvoiceNumberVM> viewModel)
        {
            this.InitializeComponent();
            this.ViewModel = viewModel;
        }

        public override bool IsDirty
        {
            get
            {
                return this.ViewModel != null ? this.ViewModel.Any(v => v.IsDirty) : false;
            }
        }

        private IList<InvoiceNumberVM> ViewModel
        {
            get
            {
                return this._Viewmodel;
            }

            set
            {
                this.DataContext = value;
                this._Viewmodel = value;
            }
        }

        protected override void Save()
        {
            var dcList = new List<InvoiceNumberDC>();
            foreach (var vm in ViewModel)
            {
                dcList.Add(vm.CommitToDataContract());
            }
            ServiceFacade.DoAccountingServiceAsync(s => s.UpdateInvoiceNumberList(dcList), this.ReloadViewModel);
        }

        private void ReloadViewModel()
        {
            ServiceFacade.DoAccountingServiceAsync(s => s.LoadInvoiceNumberList(), r => this.Dispatch(delegate
            {
                var vmList = new List<InvoiceNumberVM>();
                foreach (var dc in r)
                {
                    vmList.Add(new InvoiceNumberVM(dc));
                }
                this.ViewModel = vmList;
            }));

        }
    }
}