using Microsoft.Win32;
using OrpaonVision.ConfigApp.ViewModels;
using OrpaonVision.Core.Abstractions;
using OrpaonVision.Model.Production;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Input;

namespace OrpaonVision.ConfigApp.Views;

/// <summary>
/// 产品会话管理窗口。
/// </summary>
public partial class ProductionSessionManagementWindow : Window
{
    private readonly ProductionSessionManagementViewModel _viewModel;

    /// <summary>
    /// 构造函数。
    /// </summary>
    public ProductionSessionManagementWindow(ProductionSessionManagementViewModel viewModel)
    {
        _viewModel = viewModel;
        InitializeComponent();
        DataContext = _viewModel;

        InitializeControls();
    }

    /// <summary>
    /// 初始化控件。
    /// </summary>
    private void InitializeControls()
    {
        // 初始化筛选条件
        InitializeFilterControls();

        // 绑定数据
        SessionsDataGrid.ItemsSource = _viewModel.Sessions;
        ProductTypeStatisticsDataGrid.ItemsSource = _viewModel.Statistics?.ByProductType;
        StationStatisticsDataGrid.ItemsSource = _viewModel.Statistics?.ByStation;
        OperatorStatisticsDataGrid.ItemsSource = _viewModel.Statistics?.ByOperator;

        // 订阅属性变化事件
        _viewModel.PropertyChanged += (sender, e) =>
        {
            if (e.PropertyName == nameof(_viewModel.Sessions))
            {
                SessionsDataGrid.ItemsSource = _viewModel.Sessions;
                UpdatePageInfo();
                UpdateRecordCount();
            }
            else if (e.PropertyName == nameof(_viewModel.Statistics))
            {
                UpdateStatisticsDisplay();
            }
            else if (e.PropertyName == nameof(_viewModel.StatusText))
            {
                StatusTextBlock.Text = _viewModel.StatusText;
            }
        };

        UpdatePageInfo();
        UpdateRecordCount();
    }

    /// <summary>
    /// 初始化筛选控件。
    /// </summary>
    private void InitializeFilterControls()
    {
        // 产品类型
        ProductTypeComboBox.Items.Add(new ComboBoxItem { Content = "全部", Tag = "" });
        ProductTypeComboBox.Items.Add(new ComboBoxItem { Content = "VFD-001", Tag = "VFD-001" });
        ProductTypeComboBox.Items.Add(new ComboBoxItem { Content = "VFD-002", Tag = "VFD-002" });
        ProductTypeComboBox.SelectedIndex = 0;

        // 工位
        StationComboBox.Items.Add(new ComboBoxItem { Content = "全部", Tag = "" });
        StationComboBox.Items.Add(new ComboBoxItem { Content = "装配工位1", Tag = "ST-001" });
        StationComboBox.Items.Add(new ComboBoxItem { Content = "装配工位2", Tag = "ST-002" });
        StationComboBox.SelectedIndex = 0;

        // 操作员
        OperatorComboBox.Items.Add(new ComboBoxItem { Content = "全部", Tag = "" });
        OperatorComboBox.Items.Add(new ComboBoxItem { Content = "张三", Tag = "OP-001" });
        OperatorComboBox.Items.Add(new ComboBoxItem { Content = "李四", Tag = "OP-002" });
        OperatorComboBox.Items.Add(new ComboBoxItem { Content = "王五", Tag = "OP-003" });
        OperatorComboBox.SelectedIndex = 0;

        // 状态
        StatusComboBox.SelectedIndex = 0;
    }

    /// <summary>
    /// 查询按钮点击事件。
    /// </summary>
    private async void OnQueryClicked(object sender, RoutedEventArgs e)
    {
        try
        {
            await _viewModel.QuerySessionsAsync();
        }
        catch (Exception ex)
        {
            MessageBox.Show($"查询失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
        }
    }

    /// <summary>
    /// 重置按钮点击事件。
    /// </summary>
    private void OnResetClicked(object sender, RoutedEventArgs e)
    {
        try
        {
            _viewModel.ResetFilters();
            ProductTypeComboBox.SelectedIndex = 0;
            StationComboBox.SelectedIndex = 0;
            OperatorComboBox.SelectedIndex = 0;
            StatusComboBox.SelectedIndex = 0;
        }
        catch (Exception ex)
        {
            MessageBox.Show($"重置失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
        }
    }

    /// <summary>
    /// 导出Excel按钮点击事件。
    /// </summary>
    private async void OnExportExcelClicked(object sender, RoutedEventArgs e)
    {
        try
        {
            var saveFileDialog = new SaveFileDialog
            {
                Filter = "Excel文件|*.xlsx|所有文件|*.*",
                Title = "导出Excel文件",
                FileName = $"产品会话记录_{DateTime.Now:yyyyMMdd_HHmmss}.xlsx"
            };

            if (saveFileDialog.ShowDialog() == true)
            {
                await _viewModel.ExportSessionsAsync(saveFileDialog.FileName, ExportFormat.Excel);
                MessageBox.Show("导出成功！", "成功", MessageBoxButton.OK, MessageBoxImage.Information);
            }
        }
        catch (Exception ex)
        {
            MessageBox.Show($"导出Excel失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
        }
    }

    /// <summary>
    /// 导出CSV按钮点击事件。
    /// </summary>
    private async void OnExportCsvClicked(object sender, RoutedEventArgs e)
    {
        try
        {
            var saveFileDialog = new SaveFileDialog
            {
                Filter = "CSV文件|*.csv|所有文件|*.*",
                Title = "导出CSV文件",
                FileName = $"产品会话记录_{DateTime.Now:yyyyMMdd_HHmmss}.csv"
            };

            if (saveFileDialog.ShowDialog() == true)
            {
                await _viewModel.ExportSessionsAsync(saveFileDialog.FileName, ExportFormat.Csv);
                MessageBox.Show("导出成功！", "成功", MessageBoxButton.OK, MessageBoxImage.Information);
            }
        }
        catch (Exception ex)
        {
            MessageBox.Show($"导出CSV失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
        }
    }

    /// <summary>
    /// 查看统计按钮点击事件。
    /// </summary>
    private async void OnViewStatisticsClicked(object sender, RoutedEventArgs e)
    {
        try
        {
            await _viewModel.LoadStatisticsAsync();
        }
        catch (Exception ex)
        {
            MessageBox.Show($"加载统计信息失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
        }
    }

    /// <summary>
    /// 会话双击事件。
    /// </summary>
    private void OnSessionDoubleClicked(object sender, MouseButtonEventArgs e)
    {
        try
        {
            if (SessionsDataGrid.SelectedItem is ProductionSessionModel session)
            {
                _viewModel.ViewSessionDetail(session);
            }
        }
        catch (Exception ex)
        {
            MessageBox.Show($"查看会话详情失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
        }
    }

    /// <summary>
    /// 上一页按钮点击事件。
    /// </summary>
    private async void OnPreviousPageClicked(object sender, RoutedEventArgs e)
    {
        try
        {
            await _viewModel.GoToPreviousPageAsync();
            UpdatePageInfo();
        }
        catch (Exception ex)
        {
            MessageBox.Show($"翻页失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
        }
    }

    /// <summary>
    /// 下一页按钮点击事件。
    /// </summary>
    private async void OnNextPageClicked(object sender, RoutedEventArgs e)
    {
        try
        {
            await _viewModel.GoToNextPageAsync();
            UpdatePageInfo();
        }
        catch (Exception ex)
        {
            MessageBox.Show($"翻页失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
        }
    }

    /// <summary>
    /// 更新分页信息。
    /// </summary>
    private void UpdatePageInfo()
    {
        PageInfoTextBlock.Text = $"第 {_viewModel.CurrentPage} 页，共 {_viewModel.TotalPages} 页";
    }

    /// <summary>
    /// 更新记录数。
    /// </summary>
    private void UpdateRecordCount()
    {
        RecordCountTextBlock.Text = $"记录数: {_viewModel.Sessions?.Count ?? 0}";
    }

    /// <summary>
    /// 更新统计显示。
    /// </summary>
    private void UpdateStatisticsDisplay()
    {
        if (_viewModel.Statistics == null) return;

        // 总体统计
        TotalSessionsTextBlock.Text = _viewModel.Statistics.TotalSessions.ToString();
        OkSessionsTextBlock.Text = _viewModel.Statistics.OkSessions.ToString();
        NgSessionsTextBlock.Text = _viewModel.Statistics.NgSessions.ToString();
        PassRateTextBlock.Text = $"{_viewModel.Statistics.PassRate:P1}";
        AvgProcessingTimeTextBlock.Text = $"{_viewModel.Statistics.AverageProcessingTimeSeconds:F1} 秒";
        ThroughputTextBlock.Text = $"{_viewModel.Statistics.ThroughputPerHour:F1}";
        InProgressSessionsTextBlock.Text = _viewModel.Statistics.InProgressSessions.ToString();
        CancelledSessionsTextBlock.Text = _viewModel.Statistics.CancelledSessions.ToString();

        // 分组统计
        ProductTypeStatisticsDataGrid.ItemsSource = _viewModel.Statistics.ByProductType;
        StationStatisticsDataGrid.ItemsSource = _viewModel.Statistics.ByStation;
        OperatorStatisticsDataGrid.ItemsSource = _viewModel.Statistics.ByOperator;
    }

    /// <summary>
    /// 窗口关闭事件。
    /// </summary>
    protected override void OnClosed(EventArgs e)
    {
        _viewModel.Dispose();
        base.OnClosed(e);
    }
}