using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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;
using DataRWDAL;
using XImagingXhandler.XDAL;
using DataEntity.Page;
using XCommon.Log;
using XHandler.View.BacteriaPickResult;
using XHandler.Class;

namespace XHandler.View.OperateAudit
{
    /// <summary>
    /// OperateAuditList.xaml 的交互逻辑
    /// </summary>
    public partial class OperateAuditList : UserControl
    {
        ObservableCollection<OperateAuditLog> operateAuditLogs = new ObservableCollection<OperateAuditLog>();

        #region 变量
        // 分页数据
        private Pagination m_pagination = new Pagination();
        #endregion
        public OperateAuditList()
        {
            InitializeComponent();
        }

        private void btnSearch_Click(object sender, RoutedEventArgs e)
        {
            dgResult.ItemsSource = null;
            pagerToolsControl_paging.Current = PaginationDefaultParameter.Current;
        }

        private void pagerToolsControl_paging_PageCntChanged(object sender, Page.C_EventArgsClass e)
        {
            m_pagination.Current = e.CurrentPageNo;
            DataBinding(m_pagination);
        }

        private void pagerToolsControl_paging_OnePageRowCntChanged(object sender, Page.C_EventArgsClass e)
        {
            m_pagination.Current = e.CurrentPageNo;
            m_pagination.PageSize = e.PagerNum;
            DataBinding(m_pagination);
        }

        private void btnEdit_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                Button btn = (Button)sender;
                if (btn != null)
                {
                    string id = (string)btn.Tag;
                    OperateAuditView operateAuditView = new OperateAuditView(id);
                    operateAuditView.closeEvent += EditUserInfo_closeEvent;
                    Window wnd = Application.Current.MainWindow;
                    Grid parent = Utilities.FindVisualChild<Grid>(wnd);
                    parent.Children.Add(operateAuditView);
                }
            }
            catch (Exception ex)
            {
                LoggerHelper.ErrorLog("ERROR:", ex);
            }
        }

        private void EditUserInfo_closeEvent(object sender, EventArgs e)
        {
            UIElement element = sender as UIElement;
            Window wnd = Application.Current.MainWindow;
            Grid parent = Utilities.FindVisualChild<Grid>(wnd);
            if (parent.Children.Contains(element))
                parent.Children.Remove(element);
        }

        private void UserControl_Loaded(object sender, RoutedEventArgs e)
        {
            try
            {
                gdContent.RowDefinitions[0].Height = new GridLength(0);
                BindExperimentCollectionToList();
            }
            catch (Exception ex)
            {

            }
        }

        private void DataGridCell_PreviewMouseDoubleClick(object sender, MouseButtonEventArgs e)
        {

        }

        #region 绑定数据查询结果
        public void BindExperimentCollectionToList()
        {
            DataBinding(m_pagination);
        }
        #endregion

        /// <summary>
        /// 分页绑定
        /// </summary>
        /// <param name="pagination"></param> 
        private void DataBinding(Pagination pagination)
        {
            string strOperateType = this.tbxOperateType.Text;
            string strCreateName = this.tbxCreateName.Text;
            operateAuditLogs = OperateAuditLogDB.GetExperimentCollectionFromdb(strOperateType, strCreateName);
            int num = 1;
            foreach(OperateAuditLog o in operateAuditLogs)
            {
                o.Index = num;
                ++num;
            }

            var resultOperateAuditLogList = GetPagedData(operateAuditLogs, pagination.Current, pagination.PageSize);
            var result = new Tuple<IEnumerable<OperateAuditLog>, int>(resultOperateAuditLogList, operateAuditLogs.Count());
            if (result != null)
            {
                pagerToolsControl_paging.IsTrigger = false;
                pagerToolsControl_paging.DataCount = result.Item2;   // 当前查到数量
                pagerToolsControl_paging.Current = pagination.Current;
                pagerToolsControl_paging.IsTrigger = true;
                dgResult.ItemsSource = result.Item1;
            }
        }

        #region 集合数据分页方法
        private static IEnumerable<T> GetPagedData<T>(IEnumerable<T> source, int currentPageNumber, int pageSize)
        {
            if (source == null || !source.Any()) return Enumerable.Empty<T>();

            int startIndex = (currentPageNumber - 1) * pageSize;
            int endIndex = Math.Min(startIndex + pageSize, source.Count());

            return source.Skip(startIndex).Take(endIndex - startIndex);
        }
        #endregion
    }
}