﻿using NamesDaysClient.Common;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;

// The Basic Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234237

namespace NamesDaysClient.Pages
{
    /// <summary>
    /// A basic page that provides characteristics common to most applications.
    /// </summary>
    public sealed partial class NameDayNamesPage : Page
    {
        private NavigationHelper navigationHelper;
        private ObservableDictionary defaultViewModel = new ObservableDictionary();

        public void GoToHomePageClickClick(object sender, RoutedEventArgs e)
        {
            this.Frame.Navigate(typeof(HomePage));
        }

        /// <summary>
        /// NavigationHelper is used on each page to aid in navigation and 
        /// process lifetime management
        /// </summary>
        public NavigationHelper NavigationHelper
        {
            get
            {
                return this.navigationHelper;
            }
        }

        public NameDayNamesPage()
        {
            this.InitializeComponent();
            this.navigationHelper = new NavigationHelper(this);
            this.navigationHelper.LoadState += NavigationHelperLoadState;
            this.navigationHelper.SaveState += NavigationHelperSaveState;
        }

        /// <summary>
        /// Populates the page with content passed during navigation. Any saved state is also
        /// provided when recreating a page from a prior session.
        /// </summary>
        /// <param name="sender">
        /// The source of the event; typically <see cref="NavigationHelper"/>
        /// </param>
        /// <param name="e">Event data that provides both the navigation parameter passed to
        /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
        /// a dictionary of state preserved by this page during an earlier
        /// session. The state will be null the first time a page is visited.</param>
        private void NavigationHelperLoadState(object sender, LoadStateEventArgs e)
        {
            pageRoot.DataContext = e.NavigationParameter;
        }

        /// <summary>
        /// Preserves state associated with this page in case the application is suspended or the
        /// page is discarded from the navigation cache.  Values must conform to the serialization
        /// requirements of <see cref="SuspensionManager.SessionState"/>.
        /// </summary>
        /// <param name="sender">The source of the event; typically <see cref="NavigationHelper"/></param>
        /// <param name="e">Event data that provides an empty dictionary to be populated with
        /// serializable state.</param>
        private void NavigationHelperSaveState(object sender, SaveStateEventArgs e)
        {
        }

        #region NavigationHelper registration

        /// The methods provided in this section are simply used to allow
        /// NavigationHelper to respond to the page's navigation methods.
        /// 
        /// Page specific logic should be placed in event handlers for the  
        /// <see cref="GridCS.Common.NavigationHelper.LoadState"/>
        /// and <see cref="GridCS.Common.NavigationHelper.SaveState"/>.
        /// The navigation parameter is available in the LoadState method 
        /// in addition to page state preserved during an earlier session.

        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            navigationHelper.OnNavigatedTo(e);
            this.Loaded += PageLoaded;
            this.Unloaded += PageUnloaded;
        }

        private void PageLoaded(object sender, RoutedEventArgs e)
        {
            Window.Current.SizeChanged += WindowSizeChanged;
        }

        private void WindowSizeChanged(object sender, Windows.UI.Core.WindowSizeChangedEventArgs e)
        {
            if (e.Size.Width <= 1000)
            {
                this.typical.Visibility = Visibility.Collapsed;
                this.snapped.Visibility = Visibility.Visible;
                this.snapped.Width = e.Size.Width;
            }
            else
            {
                this.typical.Visibility = Visibility.Visible;
                this.snapped.Visibility = Visibility.Collapsed;
            }
        }

        private void PageUnloaded(object sender, RoutedEventArgs e)
        {
            Window.Current.SizeChanged -= WindowSizeChanged;
        }

        protected override void OnNavigatedFrom(NavigationEventArgs e)
        {
            navigationHelper.OnNavigatedFrom(e);
        }
        
        #endregion
    }
}