<UserControl xmlns="https://github.com/avaloniaui"
             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"
             xmlns:m="using:SourceGit.Models"
             xmlns:c="using:SourceGit.Converters"
             xmlns:v="using:SourceGit.Views"
             xmlns:vm="using:SourceGit.ViewModels"
             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
             x:Class="SourceGit.Views.BranchTree"
             x:Name="ThisControl">
  <ListBox x:Name="BranchesPresenter"
           Classes="repo_left_content_list"
           ItemsSource="{Binding #ThisControl.Rows}"
           SelectionMode="Multiple"
           SelectionChanged="OnNodesSelectionChanged"
           KeyDown="OnTreeKeyDown"
           Padding="0,0,2,0"
           ContextRequested="OnTreeContextRequested">
    <ListBox.ItemsPanel>
      <ItemsPanelTemplate>
        <VirtualizingStackPanel Orientation="Vertical"/>
      </ItemsPanelTemplate>
    </ListBox.ItemsPanel>

    <ListBox.Styles>
      <Style Selector="ListBoxItem" x:DataType="vm:BranchTreeNode">
        <Setter Property="CornerRadius" Value="{Binding CornerRadius}"/>
      </Style>

      <Style Selector="ListBoxItem:pointerover v|FilterModeSwitchButton">
        <Setter Property="IsNoneVisible" Value="True"/>
      </Style>
    </ListBox.Styles>

    <ListBox.ItemTemplate>
      <DataTemplate DataType="vm:BranchTreeNode">
        <Border Background="Transparent"
                PointerPressed="OnNodePointerPressed"
                ToolTip.Tip="{Binding Backend}"
                ToolTip.Placement="Right">
          <Border.DataTemplates>
            <DataTemplate DataType="m:Branch">
              <StackPanel Orientation="Vertical">
                <StackPanel Orientation="Horizontal">
                  <Path Width="12" Height="12" Data="{StaticResource Icons.Branch}"/>
                  <TextBlock FontWeight="Bold" VerticalAlignment="Center" Margin="4,0,0,0" Text="{Binding FriendlyName}"/>
                  <Border Background="Green" Margin="4,0,0,0" CornerRadius="4" VerticalAlignment="Center" IsVisible="{Binding !IsLocal}">
                    <TextBlock Text="{DynamicResource Text.BranchTree.Remote}" FontSize="12" Margin="4,0" Foreground="White" VerticalAlignment="Center"/>
                  </Border>
                </StackPanel>

                <Grid RowDefinitions="Auto,Auto,Auto" ColumnDefinitions="Auto,Auto" Margin="0,8,0,0" IsVisible="{Binding IsLocal, Mode=OneWay}">
                  <TextBlock Grid.Row="0" Grid.Column="0"
                             Classes="info_label"
                             HorizontalAlignment="Left" VerticalAlignment="Center"
                             Text="{DynamicResource Text.BranchTree.Tracking}"/>
                  <StackPanel Grid.Row="0" Grid.Column="1"
                              Margin="8,0,0,0"
                              Orientation="Horizontal">
                    <TextBlock Text="{Binding Upstream, Mode=OneWay, Converter={x:Static c:StringConverters.ToFriendlyUpstream}}"
                               IsVisible="{Binding Upstream, Mode=OneWay, Converter={x:Static StringConverters.IsNotNullOrEmpty}}"/>
                    <TextBlock IsVisible="{Binding Upstream, Mode=OneWay, Converter={x:Static StringConverters.IsNullOrEmpty}}">
                      <Run Text="---"/>
                      <Run Text="(none)" Foreground="{DynamicResource Brush.FG2}"/>
                    </TextBlock>

                    <Border Background="OrangeRed" Margin="4,0,0,0" CornerRadius="4" VerticalAlignment="Center" IsVisible="{Binding IsUpstreamGone}">
                      <TextBlock Text="{DynamicResource Text.BranchTree.InvalidUpstream}" FontSize="12" Margin="4,1" Foreground="White" VerticalAlignment="Center"/>
                    </Border>
                  </StackPanel>

                  <TextBlock Grid.Row="1" Grid.Column="0"
                             Classes="info_label"
                             Margin="0,4,0,0"
                             HorizontalAlignment="Left" VerticalAlignment="Center"
                             Text="{DynamicResource Text.BranchTree.Status}"
                             IsVisible="{Binding IsTrackStatusVisible, Mode=OneWay}"/>
                  <v:BranchTreeNodeTrackStatusTooltip Grid.Row="1" Grid.Column="1"
                                                      Margin="8,4,0,0"/>

                  <TextBlock Grid.Row="2" Grid.Column="0"
                             Classes="info_label"
                             Margin="0,4,0,0"
                             HorizontalAlignment="Left" VerticalAlignment="Center"
                             Text="{DynamicResource Text.BranchTree.Worktree}"
                             IsVisible="{Binding HasWorktree}"/>
                  <TextBlock Grid.Row="2" Grid.Column="1"
                             Margin="8,4,0,0"
                             Text="{Binding WorktreePath, Mode=OneWay}"
                             IsVisible="{Binding HasWorktree}"/>
                </Grid>

                <v:BranchTreeNodeDescription Margin="0,8,0,0"/>
              </StackPanel>
            </DataTemplate>

            <DataTemplate DataType="m:Remote">
              <StackPanel Orientation="Vertical">
                <StackPanel Orientation="Horizontal">
                  <Path Width="12" Height="12" Data="{StaticResource Icons.Remote}"/>
                  <TextBlock FontWeight="Bold" VerticalAlignment="Center" Text="{Binding Name}" Margin="8,0,0,0"/>
                </StackPanel>

                <StackPanel Orientation="Horizontal" Margin="0,8,0,0">
                  <TextBlock Classes="info_label"
                             HorizontalAlignment="Left" VerticalAlignment="Center"
                             Text="{DynamicResource Text.BranchTree.URL}"/>

                  <TextBlock Margin="6,0,0,0" Foreground="{DynamicResource Brush.Link}" Text="{Binding URL, Mode=OneWay}"/>
                </StackPanel>
              </StackPanel>
            </DataTemplate>
          </Border.DataTemplates>
          
          <Grid Height="24"
                Margin="{Binding Depth, Converter={x:Static c:IntConverters.ToTreeMargin}}"
                ColumnDefinitions="16,*">

            <!-- Tree Expander -->
            <v:BranchTreeNodeToggleButton Grid.Column="0"
                                          Classes="tree_expander"
                                          Focusable="False"
                                          HorizontalAlignment="Center"
                                          IsChecked="{Binding IsExpanded, Mode=OneWay}"
                                          IsVisible="{Binding !IsBranch}"/>

            <!-- Content Area (allows double-clicking) -->
            <Grid Grid.Column="1"
                  Height="24"
                  Background="Transparent"
                  ColumnDefinitions="18,*,Auto,Auto,Auto"
                  DoubleTapped="OnDoubleTappedBranchNode">

              <!-- Icon -->
              <v:BranchTreeNodeIcon Grid.Column="0"
                                    Width="18" Height="18"
                                    VerticalAlignment="Center"
                                    IsExpanded="{Binding IsExpanded}"/>

              <!-- Name -->
              <TextBlock Grid.Column="1"
                         FontWeight="{Binding IsCurrent, Converter={x:Static c:BoolConverters.IsBoldToFontWeight}}"
                         TextTrimming="CharacterEllipsis">
                <Run Text="{Binding Name}"/>
                <Run Text="{Binding BranchesCount}" Foreground="{DynamicResource Brush.FG2}"/>
              </TextBlock>

              <!-- Upstream invalid tip -->
              <Border Grid.Column="2"
                      Width="12" Height="12"
                      Margin="8,0"
                      Background="Transparent"
                      IsVisible="{Binding ShowUpstreamGoneTip}">
                <Path Data="{StaticResource Icons.Error}" Fill="DarkOrange"/>
              </Border>

              <!-- Tracking status -->
              <v:BranchTreeNodeTrackStatusPresenter Grid.Column="3"
                                                    VerticalAlignment="Center"
                                                    FontFamily="{DynamicResource Fonts.Monospace}"
                                                    FontSize="10"
                                                    Foreground="{DynamicResource Brush.BadgeFG}"
                                                    Background="{DynamicResource Brush.Badge}"/>

              <!-- Filter Mode Switcher -->
              <v:FilterModeSwitchButton Grid.Column="4"
                                        Width="12"
                                        Margin="4,0,8,0"
                                        Mode="{Binding FilterMode}"/>
            </Grid>
          </Grid>
        </Border>
      </DataTemplate>
    </ListBox.ItemTemplate>
  </ListBox>
</UserControl>
