using DevExpress.Spreadsheet;
using DeviceRepairAndOptimization.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Linq;
using System.Reflection;

namespace DeviceRepairAndOptimization.Utils
{
    public static class PublicExtended
    {
        /// <summary>
        /// 判断DataSet总是否有数据
        /// </summary>
        /// <param name="table"></param>
        /// <returns></returns>
        public static bool HasData(this DataSet ds)
        {
            if (ds != null && ds.Tables.Count > 0)
            {
                return true;
            }
            return false;
        }

        /// <summary>
        /// 判断DataTable总是否有数据
        /// </summary>
        /// <param name="table"></param>
        /// <returns></returns>
        public static bool HasData(this DataTable table)
        {
            if (table != null && table.Rows.Count > 0)
            {
                return true;
            }
            return false;
        }

        /// <summary>
        /// 判断集合是否为空
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="lst"></param>
        /// <returns></returns>
        public static bool IsNullOrZero<T>(this List<T> lst) where T : class
        {
            if (lst == null || lst.Count == 0)
            {
                return true;
            }
            return false;
        }

        /// <summary>
        /// 从集合中随机取出一个对象
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="lst"></param>
        /// <returns></returns>
        public static T RandomOne<T>(this List<T> lst) where T : class
        {
            if (lst != null && lst.Count > 0)
            {
                return lst.OrderBy(x => Guid.NewGuid()).First();
            }
            return null;
        }

        public static DataTable toDataTable<T>(this List<T> lst, string TableName = null) where T : class
        {
            PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(typeof(T));
            DataTable table = new DataTable();
            if (!string.IsNullOrEmpty(TableName))
                table.TableName = TableName;

            foreach (PropertyDescriptor prop in properties)
            {
                table.Columns.Add(prop.Name, Nullable.GetUnderlyingType(prop.PropertyType) ?? prop.PropertyType);
            }
            foreach (T item in lst)
            {
                DataRow row = table.NewRow();
                foreach (PropertyDescriptor prop in properties)
                {
                    row[prop.Name] = prop.GetValue(item) ?? DBNull.Value;
                }
                table.Rows.Add(row);
            }
            return table;
        }


        public static void WriteValue(this List<SheetDataItem> lst, Cell cell)
        {
            try
            {
                SheetDataItem item = lst.First(x => x.ColumnIndex == cell.ColumnIndex && x.RowIndex == cell.RowIndex);
                if (item != null)
                    item.Value = cell.Value.TextValue;
            }
            catch (Exception ex)
            {
                XtraMessageBoxHelper.Error(ex.Message);
            }
        }
    }
}