using Microsoft.EntityFrameworkCore;
using Microsoft.Win32;
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 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; }
    }
}