using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Threading;
using Comal.Classes;
using InABox.Clients;
using InABox.Configuration;
using InABox.Core;
using InABox.DynamicGrid;

namespace PRSDesktop
{
    
    public class CustomerPanelSettings : IUserConfigurationSettings
    {
        public CustomerPanelSettings()
        {
            AnchorWidth = 500F;
            View = DynamicSplitPanelView.Combined;
        }
        
        public DynamicSplitPanelView View { get; set; }
        public double AnchorWidth { get; set; }
    }
    
    public partial class CustomerPanel : UserControl, IPanel<Customer>
    {
        
        private CustomerPanelSettings settings;
        private Customer _customer;

        private enum PageIndex
        {
            Contacts,
            Spreadsheets
        }

        public CustomerPanel()
        {
            InitializeComponent();
        }

        public bool IsReady { get; set; }

        public event DataModelUpdateEvent? OnUpdateDataModel;

        public Dictionary<string, object[]> Selected()
        {
            return new Dictionary<string, object[]> { { typeof(Customer).EntityName(), Customers.SelectedRows } };
        }

        public void Setup()
        {
            settings = new UserConfiguration<CustomerPanelSettings>().Load();
            SplitPanel.View = settings.View;
            SplitPanel.AnchorWidth = settings.AnchorWidth;

            Customers.ColumnsTag = settings.View == DynamicSplitPanelView.Master ? settings.View.ToString() : "";
            Customers.Refresh(true, false);
            CustomerContacts.Refresh(true, false);
            CustomerSpreadsheets.Refresh(true,false);
            CustomerActivities.Refresh(true,false);
            CustomerProducts.Refresh(true,false);
        }

        public void Shutdown(CancelEventArgs? cancel)
        {
        }


        public void CreateToolbarButtons(IPanelHost host)
        {
            AccountsSetupActions.Standard(host);
            host.CreateSetupSeparator();
            AccountsSetupActions.CustomerSpreadsheetTemplates(host);
            //host.CreateToolbarButton(new PanelAction() { Caption = "Select Columns", OnExecute = DoSelectColumns, Image = PRSDesktop.Resources.shared });
        }

        public void Refresh()
        {
            Customers.Refresh(true, true);
        }

        public string SectionName => "Customers";

        public DataModel DataModel(Selection selection)
        {
            var ids = Customers.ExtractValues(x => x.ID, selection).ToArray();
            return new BaseDataModel<Customer>(new Filter<Customer>(x => x.ID).InList(ids));
        }

        public void Heartbeat(TimeSpan time)
        {
        }

        public Type DataType()
        {
            return typeof(Customer);
        }
        
        private void RefreshSubPage(ICustomerGrid grid)
        {
            if (grid == null)
                return;
            Logger.Send(LogType.Information, ClientFactory.UserID, string.Format("CustomerPanel: RefreshSubPage({0})", grid.GetType().EntityName()));
            grid.Customer = _customer;
    
            var timer = new DispatcherTimer { Interval = TimeSpan.FromMilliseconds(100) };
            timer.Tick += (o, e) =>
            {
                timer.Stop();
                grid.Refresh(!grid.IsReady, true);
            };
            timer.Start();
        }
    
        private void SplitPanel_OnChanged(object sender, DynamicSplitPanelSettings e)
        {
            settings.View = SplitPanel.View;
            settings.AnchorWidth = SplitPanel.AnchorWidth;
            
            new UserConfiguration<CustomerPanelSettings>().Save(settings);
            var newTag = settings.View == DynamicSplitPanelView.Master ? settings.View.ToString() : "";
            if (Customers.ColumnsTag != newTag)
            {
                Customers.ColumnsTag = newTag;
                Customers.Refresh(true, true);
            }
        }
    
        private void CustomerDetails_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            if (e.AddedItems.Count > 0)
            {
                var t = e.AddedItems[0] as TabItem;
                if (t != null && t.Visibility == Visibility.Visible)
                    RefreshSubPage(t.Content as ICustomerGrid);
            }
        }
        
        private void Customers_OnOnSelectItem(object sender, DynamicGridSelectionEventArgs e)
        {
            var row = e.Rows?.FirstOrDefault();
            _customer = row?.ToObject<Customer>() ?? new Customer();
            Dispatcher.Invoke(() => { RefreshSubPage(CustomerDetails.SelectedContent as ICustomerGrid); });
        }
    }
}