using Microsoft.EntityFrameworkCore;
using Microsoft.Win32;
using OfficeOpenXml;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;
using System.Windows.Controls;

namespace MembranePoreTester.Views
{
    public partial class HistoryWindow : Window
    {
        public int? SelectedStation { get; set; } // 传入当前工位ID

        public HistoryWindow()
        {
            InitializeComponent();
        }

        private void Query_Click(object sender, RoutedEventArgs e)
        {
            using var db = new AppDbContext();
            var query = new List<object>();

            // 获取泡点法记录
            var bubblePoints = db.BubblePointRecords
                .Select(b => new
                {
                    b.Id,
                    b.StationId,
                    Type = "泡点法",
                    b.TestDate,
                    b.SampleType,
                    b.SampleSpec,
                    b.Tester,
                    Result = $"最大孔径: {b.MaxPoreSize:F3} μm"
                });
            query.AddRange(bubblePoints);

            // 获取孔分布记录
            var poreDistributions = db.PoreDistributionRecords
                .Select(p => new
                {
                    p.Id,
                    p.StationId,
                    Type = "孔分布",
                    p.TestDate,
                    p.SampleType,
                    p.SampleSpec,
                    p.Tester,
                    Result = $"平均孔径: {p.AveragePoreSize:F3} μm"
                });
            query.AddRange(poreDistributions);

            // 过滤工位
            if (cmbStation.SelectedIndex > 0)
            {
                int station = cmbStation.SelectedIndex;
                query = query.Where(x => ((dynamic)x).StationId == station).ToList();
            }

            // 过滤类型
            if (cmbType.SelectedIndex == 1)
                query = query.Where(x => ((dynamic)x).Type == "泡点法").ToList();
            else if (cmbType.SelectedIndex == 2)
                query = query.Where(x => ((dynamic)x).Type == "孔分布").ToList();

            // 过滤日期范围
            if (dpStart.SelectedDate != null)
                query = query.Where(x => ((dynamic)x).TestDate >= dpStart.SelectedDate).ToList();
            if (dpEnd.SelectedDate != null)
                query = query.Where(x => ((dynamic)x).TestDate <= dpEnd.SelectedDate.Value.AddDays(1)).ToList();

            dgHistory.ItemsSource = query.OrderByDescending(x => ((dynamic)x).TestDate).ToList();
        }

        //private void ExportSelected_Click(object sender, RoutedEventArgs e)
        //{
        //    if (dgHistory.SelectedItem == null)
        //    {
        //        MessageBox.Show("请先选中一条记录");
        //        return;
        //    }

        //    dynamic selected = dgHistory.SelectedItem;
        //    int id = selected.Id;
        //    string type = selected.Type;

        //    var saveFileDialog = new SaveFileDialog
        //    {
        //        Filter = "Excel文件|*.xlsx",
        //        FileName = $"{type}_{id}.xlsx"
        //    };

        //    if (saveFileDialog.ShowDialog() == true)
        //    {
        //        if (type == "泡点法")
        //        {
        //            using var db = new AppDbContext();
        //            var entity = db.BubblePointRecords.Find(id);
        //            if (entity != null)
        //            {
        //                ExportHelper.ExportBubblePoint(entity, saveFileDialog.FileName);
        //            }
        //        }
        //        else
        //        {
        //            using var db = new AppDbContext();
        //            var entity = db.PoreDistributionRecords
        //                .Include(p => p.DataPoints)
        //                .FirstOrDefault(p => p.Id == id);
        //            if (entity != null)
        //            {
        //                ExportHelper.ExportPoreDistribution(entity, saveFileDialog.FileName);
        //            }
        //        }
        //    }
        //}


        private void ExportSelected_Click(object sender, RoutedEventArgs e)
        {
            ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
            if (dgHistory.SelectedItems.Count == 0)
            {
                MessageBox.Show("请至少选中一条记录", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
                return;
            }

            var saveFileDialog = new SaveFileDialog
            {
                Filter = "Excel文件|*.xlsx",
                FileName = $"历史记录_{DateTime.Now:yyyyMMddHHmmss}.xlsx"
            };

            if (saveFileDialog.ShowDialog() != true) return;

            using var package = new OfficeOpenXml.ExcelPackage();
            int sheetIndex = 1;

            foreach (dynamic selected in dgHistory.SelectedItems)
            {
                int id = selected.Id;
                string type = selected.Type;
                string sheetName = $"{type}_{id}";
                // Excel 工作表名称长度限制 31 字符，且不能包含特殊字符
                sheetName = new string(sheetName.Take(31).ToArray()).Replace('/', '_').Replace('\\', '_').Replace('?', '_').Replace('*', '_').Replace('[', '_').Replace(']', '_');

                using var db = new AppDbContext();
                if (type == "泡点法")
                {
                    var entity = db.BubblePointRecords.Find(id);
                    if (entity != null)
                    {
                        var sheet = package.Workbook.Worksheets.Add(sheetName);
                        // 使用辅助方法填充数据到工作表
                        FillBubblePointSheet(sheet, entity);
                    }
                }
                else if (type == "孔分布")
                {
                    var entity = db.PoreDistributionRecords
                        .Include(p => p.DataPoints)
                        .FirstOrDefault(p => p.Id == id);
                    if (entity != null)
                    {
                        var sheet = package.Workbook.Worksheets.Add(sheetName);
                        FillPoreDistributionSheet(sheet, entity);
                    }
                }
                sheetIndex++;
            }

            package.SaveAs(saveFileDialog.FileName);
            MessageBox.Show($"成功导出 {dgHistory.SelectedItems.Count} 条记录到文件", "导出完成", MessageBoxButton.OK, MessageBoxImage.Information);
        }



        private void FillBubblePointSheet(OfficeOpenXml.ExcelWorksheet sheet, BubblePointEntity entity)
        {
            sheet.Cells["A1"].Value = "工位";
            sheet.Cells["B1"].Value = entity.StationId;
            sheet.Cells["A2"].Value = "测试日期";
            sheet.Cells["B2"].Value = entity.TestDate.ToString("yyyy-MM-dd HH:mm:ss");
            sheet.Cells["A3"].Value = "测试者";
            sheet.Cells["B3"].Value = entity.Tester;
            sheet.Cells["A4"].Value = "样品类型";
            sheet.Cells["B4"].Value = entity.SampleType;
            sheet.Cells["A5"].Value = "规格";
            sheet.Cells["B5"].Value = entity.SampleSpec;
            sheet.Cells["A6"].Value = "室温(°C)";
            sheet.Cells["B6"].Value = entity.RoomTemperature;
            sheet.Cells["A7"].Value = "浸润时间(h)";
            sheet.Cells["B7"].Value = entity.SoakingTime;
            sheet.Cells["A8"].Value = "测试液体";
            sheet.Cells["B8"].Value = entity.LiquidName;
            sheet.Cells["A9"].Value = "液体生产厂家";
            sheet.Cells["B9"].Value = entity.LiquidManufacturer;
            sheet.Cells["A10"].Value = "泡点压力";
            sheet.Cells["B10"].Value = $"{entity.BubblePointPressure} {entity.PressureUnit}";
            sheet.Cells["A11"].Value = "最大孔径(μm)";
            sheet.Cells["B11"].Value = entity.MaxPoreSize;
            sheet.Cells.AutoFitColumns();
        }

        private void FillPoreDistributionSheet(OfficeOpenXml.ExcelWorksheet sheet, PoreDistributionEntity entity)
        {
            sheet.Cells["A1"].Value = "工位";
            sheet.Cells["B1"].Value = entity.StationId;
            sheet.Cells["A2"].Value = "测试日期";
            sheet.Cells["B2"].Value = entity.TestDate.ToString("yyyy-MM-dd HH:mm:ss");
            sheet.Cells["A3"].Value = "测试者";
            sheet.Cells["B3"].Value = entity.Tester;
            sheet.Cells["A4"].Value = "样品类型";
            sheet.Cells["B4"].Value = entity.SampleType;
            sheet.Cells["A5"].Value = "规格";
            sheet.Cells["B5"].Value = entity.SampleSpec;
            sheet.Cells["A6"].Value = "室温(°C)";
            sheet.Cells["B6"].Value = entity.RoomTemperature;
            sheet.Cells["A7"].Value = "浸润时间(h)";
            sheet.Cells["B7"].Value = entity.SoakingTime;
            sheet.Cells["A8"].Value = "测试液体";
            sheet.Cells["B8"].Value = entity.LiquidName;
            sheet.Cells["A9"].Value = "液体生产厂家";
            sheet.Cells["B9"].Value = entity.LiquidManufacturer;
            sheet.Cells["A10"].Value = "泡点压力";
            sheet.Cells["B10"].Value = $"{entity.BubblePointPressure} {entity.PressureUnit}";
            sheet.Cells["A11"].Value = "平均孔径(μm)";
            sheet.Cells["B11"].Value = entity.AveragePoreSize;

            // 数据点表格
            sheet.Cells["A13"].Value = "压力(kPa)";
            sheet.Cells["B13"].Value = "湿膜流量(L/min)";
            sheet.Cells["C13"].Value = "干膜流量(L/min)";
            int row = 14;
            foreach (var dp in entity.DataPoints)
            {
                sheet.Cells[$"A{row}"].Value = dp.Pressure;
                sheet.Cells[$"B{row}"].Value = dp.WetFlow;
                sheet.Cells[$"C{row}"].Value = dp.DryFlow;
                row++;
            }
            sheet.Cells.AutoFitColumns();
        }



        private void LoadToCurrentStation_Click(object sender, RoutedEventArgs e)
        {
            if (dgHistory.SelectedItem == null) return;
            if (SelectedStation == null)
            {
                MessageBox.Show("未指定当前工位");
                return;
            }

            dynamic selected = dgHistory.SelectedItem;
            int id = selected.Id;
            string type = selected.Type;

            // 通过事件或回调将记录加载到当前工位
            // 这里需要与主窗口交互，简单起见，我们使用静态事件
            LoadRecordEvent?.Invoke(this, new LoadRecordEventArgs
            {
                RecordId = id,
                Type = type,
                TargetStation = SelectedStation.Value
            });
            DialogResult = true;
            Close();
        }

        private void Close_Click(object sender, RoutedEventArgs e) => Close();

        public static event EventHandler<LoadRecordEventArgs> LoadRecordEvent;

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            Query_Click(sender, e);
        }
    }

    public class LoadRecordEventArgs : EventArgs
    {
        public int RecordId { get; set; }
        public string Type { get; set; }
        public int TargetStation { get; set; }
    }
}