From 475a8947e680a805d1b80f5b3db19f7d948fb80e Mon Sep 17 00:00:00 2001
From: Michael Gordeev <mikhailagord@gmail.com>
Date: Sun, 30 Dec 2018 12:43:58 +0300
Subject: [PATCH] Chat

Related Work Items: #183, #185
---
 FoxTube/Controls/Chat.xaml      |  59 +++++++++++++
 FoxTube/Controls/Chat.xaml.cs   | 143 ++++++++++++++++++++++++++++++++
 FoxTube/Pages/MainPage.xaml.cs  |   6 ++
 FoxTube/Pages/VideoPage.xaml.cs |  12 ++-
 4 files changed, 216 insertions(+), 4 deletions(-)
 create mode 100644 FoxTube/Controls/Chat.xaml
 create mode 100644 FoxTube/Controls/Chat.xaml.cs

diff --git a/FoxTube/Controls/Chat.xaml b/FoxTube/Controls/Chat.xaml
new file mode 100644
index 0000000..02df719
--- /dev/null
+++ b/FoxTube/Controls/Chat.xaml
@@ -0,0 +1,59 @@
+<UserControl
+    x:Class="FoxTube.Controls.Chat"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d"
+    d:DesignHeight="600"
+    d:DesignWidth="400">
+
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="auto"/>
+            <RowDefinition/>
+        </Grid.RowDefinitions>
+
+        <Grid Name="inputField">
+            <TextBox Margin="5,5,42,5" PlaceholderText="Send a message" Name="newMessage" VerticalAlignment="Center" MinHeight="32" TextWrapping="Wrap" AcceptsReturn="True"/>
+            <Button HorizontalAlignment="Right" Name="send" Click="send_Click"  VerticalAlignment="Top" 
+                    Height="32" Width="32" 
+                    Margin="0,5,5,0" Padding="0"
+                    Background="Transparent"
+                    FontFamily="Segoe MDL2 Assets"
+                    Content="&#xE122;" FontSize="30"/>
+        </Grid>
+
+        <ScrollViewer Grid.Row="1">
+            <ListView Name="list" SelectionMode="None">
+                <ListView.ItemTemplate>
+                    <DataTemplate>
+                        <Border BorderBrush="Red" BorderThickness="{Binding Path=BorderThickness}" CornerRadius="5" HorizontalAlignment="Stretch" Background="{Binding Path=Background}" Margin="0,2">
+                            <Grid Margin="0,5,5,0">
+                                <Grid.ColumnDefinitions>
+                                    <ColumnDefinition Width="Auto"/>
+                                    <ColumnDefinition Width="Auto"/>
+                                    <ColumnDefinition/>
+                                </Grid.ColumnDefinitions>
+                                <StackPanel Orientation="Horizontal" VerticalAlignment="Top" Margin="5,0">
+                                    <FontIcon Glyph="&#xEC61;" ToolTipService.ToolTip="Verified" Margin="2,0" Visibility="{Binding Path=IsVerified}"/>
+                                    <FontIcon Glyph="&#xEC1B;" ToolTipService.ToolTip="Moderator" Margin="2,0" Visibility="{Binding Path=IsModerator}"/>
+                                    <FontIcon Glyph="&#xECA7;" ToolTipService.ToolTip="Chat owner" Margin="2,0" Visibility="{Binding Path=IsOwner}"/>
+                                    <FontIcon Glyph="&#xE735;" ToolTipService.ToolTip="Sponsor" Margin="2,0" Visibility="{Binding Path=IsSponsor}"/>
+                                </StackPanel>
+                                <StackPanel Orientation="Horizontal" Grid.Column="1" VerticalAlignment="Top" Margin="0,0,5,0">
+                                    <HyperlinkButton Content="{Binding Path=Author}" Tag="{Binding Path=ChannelId}" Grid.Column="1" Margin="0,-6,0,0" FontWeight="Bold" Click="HyperlinkButton_Click"/>
+                                    <TextBlock Text=":"/>
+                                </StackPanel>
+                                <TextBlock Grid.Column="2" IsTextSelectionEnabled="True" VerticalAlignment="Top" TextWrapping="WrapWholeWords" Text="{Binding Path=Message}"/>
+                            </Grid>
+                        </Border>
+                    </DataTemplate>
+                </ListView.ItemTemplate>
+                <ListViewItem>
+                    <TextBlock Text="Welcome to the chat room" Foreground="Gray"/>
+                </ListViewItem>
+            </ListView>
+        </ScrollViewer>
+    </Grid>
+</UserControl>
diff --git a/FoxTube/Controls/Chat.xaml.cs b/FoxTube/Controls/Chat.xaml.cs
new file mode 100644
index 0000000..15af172
--- /dev/null
+++ b/FoxTube/Controls/Chat.xaml.cs
@@ -0,0 +1,143 @@
+using System;
+using Windows.UI.Xaml;
+using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Media;
+using Google.Apis.YouTube.v3.Data;
+using Google.Apis.YouTube.v3;
+using Windows.UI;
+
+namespace FoxTube.Controls
+{
+    public class ChatMessage
+    {
+        public string Author
+        {
+            get { return message.AuthorDetails.DisplayName; }
+        }
+        public string Message
+        {
+            get { return message.Snippet.DisplayMessage; }
+        }
+        public string ChannelId
+        {
+            get { return message.AuthorDetails.ChannelId; }
+        }
+
+        public Visibility IsVerified
+        {
+            get { return message.AuthorDetails.IsVerified.Value? Visibility.Visible : Visibility.Collapsed; }
+        }
+        public Visibility IsOwner
+        {
+            get { return message.AuthorDetails.IsChatOwner.Value ? Visibility.Visible : Visibility.Collapsed; }
+        }
+        public Visibility IsSponsor
+        {
+            get { return message.AuthorDetails.IsChatSponsor.Value ? Visibility.Visible : Visibility.Collapsed; }
+        }
+        public Visibility IsModerator
+        {
+            get { return message.AuthorDetails.IsChatModerator.Value ? Visibility.Visible : Visibility.Collapsed; }
+        }
+
+        public Brush Background
+        {
+            get
+            {
+                if (IsVerified == Visibility.Visible || IsOwner == Visibility.Visible || IsSponsor == Visibility.Visible || IsModerator == Visibility.Visible)
+                    return new SolidColorBrush() { Color = Colors.Red, Opacity = .2 };
+                else
+                    return new SolidColorBrush();
+            }
+        }
+        public Thickness BorderThickness
+        {
+            get
+            {
+                if (IsVerified == Visibility.Visible || IsOwner == Visibility.Visible || IsSponsor == Visibility.Visible || IsModerator == Visibility.Visible)
+                    return new Thickness(2);
+                else
+                    return new Thickness(0);
+            }
+        }
+
+        private LiveChatMessage message;
+
+        public ChatMessage(LiveChatMessage item)
+        {
+            message = item;
+        }
+    }
+
+    public sealed partial class Chat : UserControl
+    {
+        string chatId;
+        DateTime lastInsert;
+        DispatcherTimer timer = new DispatcherTimer()
+        {
+            Interval = TimeSpan.FromSeconds(1)
+        };
+
+        public Chat(string id)
+        {
+            InitializeComponent();
+            if (!SecretsVault.IsAuthorized)
+                inputField.Visibility = Visibility.Collapsed;
+
+            chatId = id;
+            timer.Tick += Update;
+            timer.Start();
+        }
+
+        public async void Update(object sender, object e)
+        {
+            LiveChatMessagesResource.ListRequest request = SecretsVault.Service.LiveChatMessages.List(chatId, "snippet,authorDetails");
+            LiveChatMessageListResponse response = await request.ExecuteAsync();
+            foreach (LiveChatMessage i in response.Items)
+                if(i.Snippet.PublishedAt >= lastInsert)
+                    list.Items.Insert(0, new ChatMessage(i));
+            lastInsert = DateTime.Now;
+            timer.Interval = TimeSpan.FromMilliseconds(response.PollingIntervalMillis.Value);
+            timer.Start();
+        }
+
+        private void HyperlinkButton_Click(object sender, RoutedEventArgs e)
+        {
+            Methods.MainPage.GoToChannel(((HyperlinkButton)sender).Tag as string);
+        }
+
+        private async void send_Click(object sender, RoutedEventArgs e)
+        {
+            try
+            {
+                newMessage.IsEnabled = false;
+                send.IsEnabled = false;
+
+                if (string.IsNullOrWhiteSpace(newMessage.Text))
+                    return;
+
+                LiveChatMessage message = new LiveChatMessage()
+                {
+                    Snippet = new LiveChatMessageSnippet()
+                    {
+                        Type = "textMessageEvent",
+                        LiveChatId = chatId,
+                        TextMessageDetails = new LiveChatTextMessageDetails()
+                        {
+                            MessageText = newMessage.Text
+                        }
+                    }
+                };
+
+                LiveChatMessagesResource.InsertRequest request = SecretsVault.Service.LiveChatMessages.Insert(message, "snippet");
+                await request.ExecuteAsync();
+            }
+            finally
+            {
+                newMessage.Text = string.Empty;
+                newMessage.IsEnabled = true;
+                send.IsEnabled = true;
+            }
+        }
+    }
+}
diff --git a/FoxTube/Pages/MainPage.xaml.cs b/FoxTube/Pages/MainPage.xaml.cs
index 40bf16d..2023c7d 100644
--- a/FoxTube/Pages/MainPage.xaml.cs
+++ b/FoxTube/Pages/MainPage.xaml.cs
@@ -73,6 +73,12 @@ namespace FoxTube
             catch { return null; }
         }
 
+        public string GetPlaylist()
+        {
+            try { return (videoPlaceholder.Content as VideoPage).playlistId; }
+            catch { return null; }
+        }
+
         public void SetTitleBar()
         {
             var titleBar = ApplicationView.GetForCurrentView().TitleBar;
diff --git a/FoxTube/Pages/VideoPage.xaml.cs b/FoxTube/Pages/VideoPage.xaml.cs
index ac6ce9f..9de1573 100644
--- a/FoxTube/Pages/VideoPage.xaml.cs
+++ b/FoxTube/Pages/VideoPage.xaml.cs
@@ -46,7 +46,7 @@ namespace FoxTube.Pages
         ApplicationDataContainer settings = ApplicationData.Current.LocalSettings;
 
         public string videoId;
-        string playlistId = null;
+        public string playlistId = null;
         public Video item;
 
         bool wide;
@@ -267,9 +267,13 @@ namespace FoxTube.Pages
             liveTimer.Start();
             LiveStatsUpdate();
 
-            commentsPlaceholder.Header = "Chat";
-            //TODO: Initialize chat
-            //TODO: Initialize player
+            if(string.IsNullOrWhiteSpace(item.LiveStreamingDetails.ActiveLiveChatId))
+                pivot.Items.Remove(commentsPlaceholder);
+            else
+            {
+                commentsPlaceholder.Header = "Chat";
+                commentsPlaceholder.Content = new Chat(item.LiveStreamingDetails.ActiveLiveChatId);
+            }
             download.Visibility = Visibility.Collapsed;
         }