using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.IO;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Windows;
using System.Windows.Controls;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using System.Text.Json;
using System.Threading;
using System.Windows.Documents;
using System.Windows.Media;
using ArcGIS.Desktop.Core;
using ArcGIS.Desktop.Core.Geoprocessing;
using LinkToolAddin.client;
using LinkToolAddin.common;
using LinkToolAddin.host;
using LinkToolAddin.host.llm;
using LinkToolAddin.host.llm.entity;
using LinkToolAddin.message;
using LinkToolAddin.resource;
using LinkToolAddin.server;
using log4net;
using log4net.Appender;
using log4net.Config;
using log4net.Layout;
using ModelContextProtocol.Client;
using ModelContextProtocol.Protocol.Types;
using ModelContextProtocol.Server;
using Newtonsoft.Json;

namespace LinkToolAddin.ui.dockpane
{
    public class ItemModel
    {
        public string Content { get; set; }
    }
    /// <summary>
    /// Interaction logic for DialogDockpaneView.xaml
    /// </summary>
    public partial class DialogDockpaneView : UserControl
    {
        private static ILog log = LogManager.GetLogger(typeof(DialogDockpaneView));
        
        private List<string> idList = new List<string>();
        private ConcurrentDictionary<string,MessageListItem> messageDict = new ConcurrentDictionary<string,MessageListItem>();
        private ConcurrentDictionary<string,Border> borderItemsDict = new ConcurrentDictionary<string,Border>();
        
        public DialogDockpaneView()
        {
            InitLogger();
            InitializeComponent();
            DataContext = this;
        }

        private async void TestServer_OnClick(object sender, RoutedEventArgs e)
        {
            log.Info("TestServer Clicked");
        }
        
        protected void InitLogger()
        {
            // 1. 创建控制台输出器（Appender）
            var consoleAppender = new ConsoleAppender
            {
                Layout = new PatternLayout("%date [%thread] %-5level %logger - %message%newline"),
                Threshold = log4net.Core.Level.Info // 仅输出 Info 及以上级别
            };
            consoleAppender.ActivateOptions(); // 激活配置

            // 2. 创建文件滚动输出器（按大小滚动）
            var fileAppender = new RollingFileAppender
            {
                File = Path.Combine("Logs", "D:\\linktool_app.log"), // 日志文件路径
                AppendToFile = true, // 追加模式
                RollingStyle = RollingFileAppender.RollingMode.Size, // 按文件大小滚动
                MaxSizeRollBackups = 10, // 保留 10 个历史文件
                MaximumFileSize = "1MB", // 单个文件最大 1MB
                StaticLogFileName = true, // 固定文件名（否则自动追加序号）
                Layout = new PatternLayout("%date [%thread] %-5level %logger - %message%newline"),
                Threshold = log4net.Core.Level.Info // 仅输出 Info 及以上级别
            };
            fileAppender.ActivateOptions(); // 激活配置

            // 3. 直接通过 BasicConfigurator 注册 Appender
            BasicConfigurator.Configure(consoleAppender, fileAppender);
            
            log = LogManager.GetLogger(typeof(DialogDockpaneView));

            // 测试日志输出
            log.Debug("Debug 日志（控制台可见）");
            log.Info("Info 日志（控制台和文件可见）");
            log.Error("Error 日志（严重问题）");
        }

        private void SendButton_OnClick(object sender, RoutedEventArgs e)
        {
            string question = QuestionTextbox.Text;
            string defaultGdbPath = Project.Current.DefaultGeodatabasePath;
            string gdbPath = @"";
            long timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
            MessageListItem userMsg = new ChatMessageItem()
            {
                content = question,
                role = "user",
                type = MessageType.CHAT_MESSAGE,
                id = timestamp.ToString()
            };
            Border userMsgBoder = GetUserChatBorder(userMsg);
            idList.Add(timestamp.ToString());
            messageDict[timestamp.ToString()] = userMsg;
            QuestionTextbox.Text = "";
            borderItemsDict[timestamp.ToString()] = userMsgBoder;
            ChatHistoryStackPanel.Children.Add(userMsgBoder);
            StatusTextBlock.Text = "正在读取用户输入";
            Gateway.SendMessageStream(question,"qwen3-235b-a22b",defaultGdbPath,NewMessage_Recall);
        }

        public void NewMessage_Recall(MessageListItem msg)
        {
            string msgId = msg.id;
            log.Info(msg.content);
            double verticalOffset = ScrollViewer.VerticalOffset;
            double viewportHeight = ScrollViewer.ViewportHeight;
            double contentHeight = ChatHistoryStackPanel.ActualHeight;
            double tolerance = 24;
            if (!idList.Contains(msgId))
            {
                //不存在该消息，需添加到ListView中
                if (msg.content == "")
                {
                    if (msg.type == MessageType.END_TAG)
                    {
                        StatusTextBlock.Text = "";
                    }
                    return;
                }
                idList.Add(msgId);
                messageDict[msgId] = msg;
                if (msg.role == "user")
                {
                    if (msg.type == MessageType.TOOL_MESSAGE)
                    {
                        Border border = GetToolChatBorder(msg);
                        borderItemsDict[msgId] = border;
                        ChatHistoryStackPanel.Children.Add(border);
                        StatusTextBlock.Text = "正在执行工具";
                    }else if (msg.type == MessageType.CHAT_MESSAGE)
                    {
                        Border border = GetUserChatBorder(msg);
                        borderItemsDict[msgId] = border;
                        ChatHistoryStackPanel.Children.Add(border);
                        StatusTextBlock.Text = "正在读取用户输入";
                    }
                }
                else if(msg.role == "assistant")
                {
                    if (msg.type == MessageType.REASON_MESSAGE)
                    {
                        Border border = GetAiReasonBorder(msg);
                        borderItemsDict[msgId] = border;
                        ChatHistoryStackPanel.Children.Add(border);
                        StatusTextBlock.Text = "深度思考中";
                    }else if (msg.type == MessageType.CHAT_MESSAGE)
                    {
                        Border border = GetAiChatBorder(msg);
                        borderItemsDict[msgId] = border;
                        ChatHistoryStackPanel.Children.Add(border);
                        StatusTextBlock.Text = "回答生成中";
                    }
                }
            }
            else
            {
                //已有该消息，只需要修改内容
                messageDict[msgId] = msg;
                if (msg.content == "")
                {
                    ChatHistoryStackPanel.Children.Remove(borderItemsDict[msgId]);
                    borderItemsDict.TryRemove(msgId, out Border border);
                    messageDict.TryRemove(msgId, out MessageListItem tempMsg);
                    idList.Remove(msgId);
                    if (msg.type == MessageType.END_TAG)
                    {
                        StatusTextBlock.Text = "";
                    }
                }
                if (msg.role == "user")
                {
                    if (msg.type == MessageType.TOOL_MESSAGE)
                    {
                        Border borderItem = borderItemsDict[msgId];
                        Grid grid = borderItem.Child as Grid;
                        TextBlock textBlock = grid.Children[1] as TextBlock;
                        textBlock.Text = (msg as ToolMessageItem).toolName;
                        StatusTextBlock.Text = "正在执行工具";
                    }else if (msg.type == MessageType.CHAT_MESSAGE)
                    {
                        Border borderItem = borderItemsDict[msgId];
                        Grid grid = borderItem.Child as Grid;
                        TextBox textBox = grid.Children[1] as TextBox;
                        textBox.Text = msg.content;
                        StatusTextBlock.Text = "正在读取用户输入";
                    }
                }
                else
                {
                    if (msg.type == MessageType.REASON_MESSAGE)
                    {
                        Border borderItem = borderItemsDict[msgId];
                        Grid grid = borderItem.Child as Grid;
                        TextBox textBox = grid.Children[0] as TextBox;
                        textBox.Text = msg.content;
                        StatusTextBlock.Text = "深度思考中";
                    }else if (msg.type == MessageType.CHAT_MESSAGE)
                    {
                        Border borderItem = borderItemsDict[msgId];
                        Grid grid = borderItem.Child as Grid;
                        TextBox textBox = grid.Children[1] as TextBox;
                        textBox.Text = msg.content;
                        StatusTextBlock.Text = "回答生成中";
                    }
                }
            }
            if (Math.Abs(verticalOffset + viewportHeight - contentHeight) < tolerance)
            {
                ScrollViewer.ScrollToBottom();
            }
        }

        private Border GetAiChatBorder(MessageListItem msg)
        {
            Border border = new Border();
            border.Margin = new Thickness(8, 12, 8, 12);
            border.BorderThickness = new Thickness(0);
            // border.Background = Brushes.DarkSeaGreen;
            Grid grid = new Grid();
            Image icon = new Image()
            {
                Source = LocalResource.ReadImageByResource("LinkToolAddin.resource.img.linktool.png"),
                Stretch = Stretch.Fill,
                HorizontalAlignment = HorizontalAlignment.Center, VerticalAlignment = VerticalAlignment.Top
            };
            grid.ColumnDefinitions.Add(new ColumnDefinition(){Width = new GridLength(24, GridUnitType.Pixel)});
            grid.ColumnDefinitions.Add(new ColumnDefinition(){Width = new GridLength(1, GridUnitType.Star)});
            TextBox textBox = new TextBox();
            grid.Children.Add(icon);
            grid.Children.Add(textBox);
            Grid.SetColumn(icon, 0);
            Grid.SetColumn(textBox, 1);
            textBox.IsReadOnly  = true;
            textBox.BorderThickness = new Thickness(0);
            textBox.Background = Brushes.Transparent;
            textBox.Text = msg.content;
            textBox.TextWrapping = TextWrapping.Wrap;
            border.Child = grid;
            return border;
        }
        
        private Border GetAiReasonBorder(MessageListItem msg)
        {
            Border border = new Border();
            border.Margin = new Thickness(8, 12, 8, 12);
            border.BorderThickness = new Thickness(0);
            // border.Background = Brushes.DarkSeaGreen;
            Grid grid = new Grid();
            Image icon = new Image()
            {
                Source = LocalResource.ReadImageByResource("LinkToolAddin.resource.img.linktool.png"),
                Stretch = Stretch.Fill,
                HorizontalAlignment = HorizontalAlignment.Center, VerticalAlignment = VerticalAlignment.Top
            };
            Image fold = new Image()
            {
                Source = LocalResource.ReadImageByResource("LinkToolAddin.resource.img.fold.png"),
                Stretch = Stretch.Fill,
                HorizontalAlignment = HorizontalAlignment.Center, VerticalAlignment = VerticalAlignment.Top
            };
            Image unfold = new Image()
            {
                Source = LocalResource.ReadImageByResource("LinkToolAddin.resource.img.unfold.png"),
                Stretch = Stretch.Fill,
                HorizontalAlignment = HorizontalAlignment.Center, VerticalAlignment = VerticalAlignment.Top
            };
            grid.ColumnDefinitions.Add(new ColumnDefinition(){Width = new GridLength(24, GridUnitType.Pixel)});
            grid.ColumnDefinitions.Add(new ColumnDefinition(){Width = new GridLength(1, GridUnitType.Star)});
            grid.ColumnDefinitions.Add(new ColumnDefinition(){Width = new GridLength(16, GridUnitType.Pixel)});
            TextBox textBox = new TextBox();
            // grid.Children.Add(icon);
            grid.Children.Add(textBox);
            // Grid.SetColumn(icon, 0);
            Grid.SetColumn(textBox, 1);
            textBox.IsReadOnly  = true;
            textBox.Foreground = Brushes.Gray;
            textBox.BorderThickness = new Thickness(2,0,0,0);
            textBox.BorderBrush = Brushes.Gray;
            textBox.Background = Brushes.Transparent;
            textBox.Text = msg.content;
            textBox.TextWrapping = TextWrapping.Wrap;
            Button button  = new Button();
            StackPanel panel = new StackPanel();
            panel.Orientation = Orientation.Horizontal;
            panel.Children.Add(fold);
            button.Content = panel;
            button.BorderThickness = new Thickness(0);
            button.Background = Brushes.Transparent;
            button.Width = 16;
            button.Height = 16;
            button.Padding = new Thickness(0);
            button.HorizontalAlignment = HorizontalAlignment.Center;
            button.VerticalAlignment = VerticalAlignment.Top;
            button.Tag = "fold";
            button.Click += FoldButton_OnClick;
            Grid.SetColumn(button, 2);
            grid.Children.Add(button);
            border.Child = grid;
            return border;
        }

        private void FoldButton_OnClick(object sender, RoutedEventArgs e)
        {
            Button button = sender as Button;
            string tag = button.Tag.ToString();
            if (tag == "fold")
            {
                button.Tag = "unfold";
                Grid grid = button.Parent as Grid;
                TextBox textBox = grid.Children[0] as TextBox;
                textBox.Visibility = Visibility.Collapsed;
                StackPanel stackPanel = button.Content as StackPanel;
                Image unfold = new Image()
                {
                    Source = LocalResource.ReadImageByResource("LinkToolAddin.resource.img.unfold.png"),
                    Stretch = Stretch.Fill,
                    HorizontalAlignment = HorizontalAlignment.Center, VerticalAlignment = VerticalAlignment.Top
                };
                stackPanel.Children.Clear();
                stackPanel.Children.Add(unfold);
            }
            else
            {
                button.Tag = "fold";
                Image fold = new Image()
                {
                    Source = LocalResource.ReadImageByResource("LinkToolAddin.resource.img.fold.png"),
                    Stretch = Stretch.Fill,
                    HorizontalAlignment = HorizontalAlignment.Center, VerticalAlignment = VerticalAlignment.Top
                };
                Grid grid = button.Parent as Grid;
                TextBox textBox = grid.Children[0] as TextBox;
                textBox.Visibility = Visibility.Visible;
                StackPanel stackPanel = button.Content as StackPanel;
                stackPanel.Children.Clear();
                stackPanel.Children.Add(fold);
            }
            
        }
        
        private Border GetUserChatBorder(MessageListItem msg)
        {
            Border border = new Border();
            border.Margin = new Thickness(8, 12, 8, 12);
            border.BorderThickness = new Thickness(0);
            // border.Background = Brushes.DarkSeaGreen;
            Grid grid = new Grid();
            Image icon = new Image()
            {
                Source = LocalResource.ReadImageByResource("LinkToolAddin.resource.img.user.png"),
                Stretch = Stretch.Fill,
                HorizontalAlignment = HorizontalAlignment.Center, VerticalAlignment = VerticalAlignment.Top
            };
            grid.ColumnDefinitions.Add(new ColumnDefinition(){Width = new GridLength(1, GridUnitType.Star)});
            grid.ColumnDefinitions.Add(new ColumnDefinition(){Width = new GridLength(24, GridUnitType.Pixel)});
            TextBox textBox = new TextBox();
            textBox.HorizontalAlignment  = HorizontalAlignment.Right;
            grid.Children.Add(icon);
            grid.Children.Add(textBox);
            Grid.SetColumn(icon, 1);
            Grid.SetColumn(textBox, 0);
            textBox.Background = Brushes.Transparent;
            textBox.IsReadOnly  = true;
            textBox.BorderThickness = new Thickness(0);
            textBox.Text = msg.content;
            textBox.TextWrapping = TextWrapping.Wrap;
            border.Child = grid;
            return border;
        }
        
        private Border GetToolChatBorder(MessageListItem msg)
        {
            Border border = new Border();
            border.Margin = new Thickness(24);
            border.Padding = new Thickness(8);
            border.BorderThickness = new Thickness(1);
            border.BorderBrush = Brushes.Gray;
            border.CornerRadius  = new CornerRadius(3);
            // border.Background = Brushes.DarkSeaGreen;
            Grid grid = new Grid();
            Image icon = new Image()
            {
                Source = LocalResource.ReadImageByResource("LinkToolAddin.resource.img.tool.png"),
                Stretch = Stretch.Fill,
                HorizontalAlignment = HorizontalAlignment.Center, VerticalAlignment = VerticalAlignment.Center
            };
            icon.Margin = new Thickness(0, 0, 8, 0);
            grid.ColumnDefinitions.Add(new ColumnDefinition(){Width = new GridLength(24, GridUnitType.Pixel)});
            grid.ColumnDefinitions.Add(new ColumnDefinition(){Width = new GridLength(1, GridUnitType.Star)});
            grid.ColumnDefinitions.Add(new ColumnDefinition(){Width = new GridLength(36, GridUnitType.Pixel)});
            grid.ColumnDefinitions.Add(new ColumnDefinition(){Width = new GridLength(36, GridUnitType.Pixel)});
            TextBlock textBlock = new TextBlock();
            ToolMessageItem toolMsg = msg as ToolMessageItem;
            textBlock.Text = toolMsg.toolName + " | " + toolMsg.status;
            textBlock.TextWrapping = TextWrapping.Wrap;
            grid.Children.Add(icon);
            grid.Children.Add(textBlock);
            Grid.SetColumn(icon, 0);
            Grid.SetColumn(textBlock, 1);
            Button argsButton = new Button();
            argsButton.Content = "参数";
            argsButton.Tag = msg as ToolMessageItem;
            argsButton.Click += ToolArgsButton_OnClick;
            border.Child = grid;
            Button resButton = new Button();
            resButton.Content = "结果";
            resButton.Tag = msg as ToolMessageItem;
            resButton.Click += ToolResButton_OnClick;
            grid.Children.Add(argsButton);
            Grid.SetColumn(argsButton, 2);
            grid.Children.Add(resButton);
            Grid.SetColumn(resButton, 3);
            return border;
        }

        private void ToolArgsButton_OnClick(object sender, RoutedEventArgs e)
        {
            Button button = sender as Button;
            ToolMessageItem toolItem = button.Tag as ToolMessageItem;
            ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show(JsonConvert.SerializeObject(toolItem.toolParams),toolItem.toolName+"工具参数");
        }
        
        private void ToolResButton_OnClick(object sender, RoutedEventArgs e)
        {
            Button button = sender as Button;
            ToolMessageItem toolItem = button.Tag as ToolMessageItem;
            ArcGIS.Desktop.Framework.Dialogs.MessageBox.Show(toolItem.result,toolItem.toolName+"运行结果");
        }

        private void TestButton_OnClick(object sender, RoutedEventArgs e)
        {
            long timestamp = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
            MessageListItem toolMessageItem = new ToolMessageItem
            {
                toolName = "toolName",
                toolParams = new Dictionary<string,object>(),
                type = MessageType.TOOL_MESSAGE,
                status = "success",
                content = "JsonConvert.SerializeObject(toolResponse)",
                id = (timestamp + 1).ToString(),
                role = "user"
            };
            NewMessage_Recall(toolMessageItem);
        }

        private void ClearButton_OnClick(object sender, RoutedEventArgs e)
        {
            idList.Clear();
            messageDict.Clear();
            borderItemsDict.Clear();
            ChatHistoryStackPanel.Children.Clear();
            QuestionTextbox.Clear();
            StatusTextBlock.Text = "";
        }

        private void TopButton_OnClick(object sender, RoutedEventArgs e)
        {
            ScrollViewer.ScrollToTop();
        }

        private void BottomButton_OnClick(object sender, RoutedEventArgs e)
        {
            ScrollViewer.ScrollToBottom();
        }

        private void StopButton_OnClick(object sender, RoutedEventArgs e)
        {
            Gateway.StopConversation();
            StatusTextBlock.Text = "";
        }
    }
}