using Microsoft.Win32;
using Sunny.UI;
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace 头罩视野.Views
{
    /// <summary>
    /// RecordDate.xaml 的交互逻辑
    /// </summary>
    /// 

    public partial class RecordDate : Page

    {
        // 数据存储列表
        private List<dynamic> LeftEyeDataList = new List<dynamic>();
        private List<dynamic> RightEyeDataList = new List<dynamic>();

        // 长按清除用
        private bool _isClearPressed = false;
        private Thread _clearThread;
        public RecordDate()
        {
            InitializeComponent();
            DynamicHeader();
            // 2. 调用（名字和上面的变量一致）
            AddDataRow(dataGrid1, LeftEyeDataList, 64);
            AddDataRow(dataGrid2, RightEyeDataList, 64);
            // 测试数据
            /// <summary>
            /// 给表格添加一行数据（自动存起来，用于保存）
            /// </summary>
            /// <param name="dg">目标表格</param>
            /// <param name="dataList">数据存储列表</param>
            /// <param name="channelCount">通道数量 64/32</param>
            void AddDataRow(DataGrid dg, List<dynamic> dataList, int channelCount)
            {
                // 创建一行数据
                dynamic row = new System.Dynamic.ExpandoObject();
                var dict = (IDictionary<string, object>)row;

                // 固定列
                dict["Id"] = dataList.Count + 1;
                dict["Time"] = DateTime.Now.ToString("HH:mm:ss");
                dict["Date"] = DateTime.Now.ToString("yyyy-MM-dd");

                // 通道列（Ch1 ~ Ch64）
                for (int i = 1; i <= channelCount; i++)
                {
                    dict[$"Ch{i}"] = 0; // 这里你可以替换成真实数据
                }

                // 存起来 + 显示
                dataList.Add(row);
                dg.Items.Add(row);
            }
        }
        //动态生成表头
        void DynamicHeader()
        {
            // 2. 循环生成 64 个 ch 列
            for (int i = 1; i <= 64; i++)
            {
                dataGrid1.Columns.Add(new DataGridTextColumn
                {
                    Header = $"ch.{i}",
                    Binding = new System.Windows.Data.Binding($"Ch{i}")
                });
                dataGrid2.Columns.Add(new DataGridTextColumn
                {
                    Header = $"ch.{i}",
                    Binding = new System.Windows.Data.Binding($"Ch{i}")
                });
            }
        }

        //#endregion

        // 保存左眼
        private void btnSaveLeft_Click(object sender, RoutedEventArgs e)
        {
            SaveToCsv(LeftEyeDataList, $"左眼数据_{DateTime.Now:yyyyMMddHHmmss}.csv");
        }

        // 保存右眼
        private void btnSaveRight_Click(object sender, RoutedEventArgs e)
        {
            SaveToCsv(RightEyeDataList, $"右眼数据_{DateTime.Now:yyyyMMddHHmmss}.csv");
        }

        private void SaveToCsv(List<dynamic> dataList, string defaultFileName)
        {
            if (dataList == null || dataList.Count == 0)
            {
                MessageBox.Show("无数据可保存");
                return;
            }

            // 打开文件夹选择框
            var folderDialog = new OpenFolderDialog();
            if (folderDialog.ShowDialog() != true)
                return;

            string folder = folderDialog.FolderName;
            string path = System.IO.Path.Combine(folder, defaultFileName);

            // 写入 CSV
            using (var sw = new StreamWriter(path, false, Encoding.UTF8))
            {
                var first = (IDictionary<string, object>)dataList[0];
                sw.WriteLine(string.Join(",", first.Keys));

                foreach (var item in dataList)
                {
                    var dict = (IDictionary<string, object>)item;
                    sw.WriteLine(string.Join(",", dict.Values));
                }
            }

            MessageBox.Show("保存成功：\n" + path);
        }


        private void btnClear_MouseDown(object sender, MouseButtonEventArgs e)
        {
            _isClearPressed = true;
            _clearThread = new Thread(() =>
            {
                Thread.Sleep(500); // 长按1秒触发
                if (_isClearPressed)
                {
                    Application.Current.Dispatcher.Invoke(() => ClearAllData());
                }
            });
            _clearThread.Start();
        }
        // 清除所有数据
        private void ClearAllData()
        {
            LeftEyeDataList.Clear();
            dataGrid1.Items.Clear();

            RightEyeDataList.Clear();
            dataGrid2.Items.Clear();

            MessageBox.Show("数据已清除");
        }

        private void btnClear_MouseUp(object sender, MouseButtonEventArgs e)
        {
            _isClearPressed = false;
            _clearThread?.Join(100); // 等待线程结束最多100毫秒，然后强制结束
        }














        private void GoHome(object s, RoutedEventArgs e) => NavigationService.Content = null;
        private void GoTest(object s, RoutedEventArgs e) => NavigationService.Content = new Views.PageTest();
        private void GoRecord(object s, RoutedEventArgs e) => NavigationService.Content = new Views.RecordDate();
        private void GoView(object s, RoutedEventArgs e) => NavigationService.Content = new Views.RecordPage();

        //NavigationService.Navigate(new Views.RecordDate()); 页面相互跳转
    }
}