using System;
using CPF.Drawing;
using CPF.ReoGrid.Core;

namespace CPF.ReoGrid.DataFormat
{
	[DataFormat(CellDataFormatFlag.Number)]
	public class NumberDataFormatter : IDataFormatter
	{
		public string FormatCell(Cell cell)
		{
			object innerData = cell.InnerData;
			bool flag = false;
			double num = 0.0;
			bool flag2 = innerData is double;
			if (flag2)
			{
				num = (double)innerData;
				flag = true;
			}
			else
			{
				bool flag3 = innerData is int;
				if (flag3)
				{
					num = (double)((int)innerData);
					flag = true;
				}
				else
				{
					bool flag4 = innerData is long;
					if (flag4)
					{
						num = (double)((long)innerData);
					}
					else
					{
						bool flag5 = innerData is float;
						if (flag5)
						{
							num = (double)((float)innerData);
							flag = true;
						}
						else
						{
							bool flag6 = innerData is decimal;
							if (flag6)
							{
								num = (double)((decimal)innerData);
								flag = true;
							}
							else
							{
								bool flag7 = innerData is string;
								if (flag7)
								{
									string text = (innerData as string).Trim();
									flag = double.TryParse(text, out num);
									bool flag8 = !flag;
									if (flag8)
									{
										flag = double.TryParse(text.Replace(",", ""), out num);
									}
									bool flag9 = flag;
									if (flag9)
									{
										cell.InnerData = num;
									}
								}
								else
								{
									bool flag10 = innerData is DateTime;
									if (flag10)
									{
										num = ((DateTime)innerData - new DateTime(1900, 1, 1)).TotalDays;
										flag = true;
									}
								}
							}
						}
					}
				}
			}
			bool flag11 = flag;
			string result;
			if (flag11)
			{
				string str = null;
				string str2 = null;
				NumberDataFormatter.INumberFormatArgs numberFormatArgs = cell.DataFormatArgs as NumberDataFormatter.INumberFormatArgs;
				string text2 = NumberDataFormatter.FormatNumberCellAndGetPattern(cell, ref num, numberFormatArgs);
				bool flag12 = numberFormatArgs is NumberDataFormatter.NumberFormatArgs;
				if (flag12)
				{
					NumberDataFormatter.NumberFormatArgs numberFormatArgs2 = (NumberDataFormatter.NumberFormatArgs)cell.DataFormatArgs;
					str = numberFormatArgs2.CustomNegativePrefix;
					str2 = numberFormatArgs2.CustomNegativePostfix;
				}
				bool flag13 = numberFormatArgs != null && (numberFormatArgs.NegativeStyle & NumberDataFormatter.NumberNegativeStyle.CustomSymbol) == NumberDataFormatter.NumberNegativeStyle.CustomSymbol;
				if (flag13)
				{
					text2 = ((num < 0.0) ? (str + text2 + str2) : text2);
				}
				result = num.ToString(text2);
			}
			else
			{
				result = null;
			}
			return result;
		}

		internal static string FormatNumberCellAndGetPattern(Cell cell, ref double value, NumberDataFormatter.INumberFormatArgs arg)
		{
			bool flag = cell.InnerStyle.HAlign == ReoGridHorAlign.General;
			if (flag)
			{
				cell.RenderHorAlign = ReoGridRenderHorAlign.Right;
			}
			short count = 2;
			bool flag2 = true;
			NumberDataFormatter.NumberNegativeStyle numberNegativeStyle = NumberDataFormatter.NumberNegativeStyle.Default;
			bool flag3 = arg != null;
			if (flag3)
			{
				count = arg.DecimalPlaces;
				flag2 = arg.UseSeparator;
				numberNegativeStyle = arg.NegativeStyle;
			}
			bool flag4 = value < 0.0;
			if (flag4)
			{
				bool flag5 = (numberNegativeStyle & NumberDataFormatter.NumberNegativeStyle.Red) == NumberDataFormatter.NumberNegativeStyle.Red;
				if (flag5)
				{
					cell.RenderColor = Color.Red;
				}
				else
				{
					cell.RenderColor = Color.Transparent;
				}
			}
			string str = new string('0', (int)count);
			string text = (flag2 ? "#,##0." : "0.") + str;
			bool flag6 = (numberNegativeStyle & NumberDataFormatter.NumberNegativeStyle.Brackets) == NumberDataFormatter.NumberNegativeStyle.Brackets;
			if (flag6)
			{
				text = ((value < 0.0) ? ("(" + text + ")") : text);
			}
			else
			{
				bool flag7 = (numberNegativeStyle & NumberDataFormatter.NumberNegativeStyle.Prefix_Sankaku) == NumberDataFormatter.NumberNegativeStyle.Prefix_Sankaku;
				if (flag7)
				{
					text = ((value < 0.0) ? ("▲ " + text) : text);
				}
			}
			bool flag8 = (numberNegativeStyle & NumberDataFormatter.NumberNegativeStyle.Default) == ~(NumberDataFormatter.NumberNegativeStyle.Default | NumberDataFormatter.NumberNegativeStyle.Red | NumberDataFormatter.NumberNegativeStyle.Brackets | NumberDataFormatter.NumberNegativeStyle.Prefix_Sankaku | NumberDataFormatter.NumberNegativeStyle.CustomSymbol);
			if (flag8)
			{
				value = Math.Abs(value);
			}
			return text;
		}

		public static NumberDataFormatter.NumberFormatArgs TwoDecimalDigitsArgument
		{
			get
			{
				return new NumberDataFormatter.NumberFormatArgs
				{
					DecimalPlaces = 2,
					UseSeparator = true
				};
			}
		}

		public static NumberDataFormatter.NumberFormatArgs NoDecimalDigitsArgument
		{
			get
			{
				return new NumberDataFormatter.NumberFormatArgs
				{
					DecimalPlaces = 0,
					UseSeparator = true
				};
			}
		}

		public bool PerformTestFormat()
		{
			return true;
		}

		public interface INumberFormatArgs
		{
			short DecimalPlaces { get; set; }

			NumberDataFormatter.NumberNegativeStyle NegativeStyle { get; set; }

			bool UseSeparator { get; set; }

			string CustomNegativePrefix { get; set; }

			string CustomNegativePostfix { get; set; }
		}

		[Serializable]
		public class NumberFormatArgs : NumberDataFormatter.INumberFormatArgs
		{
			public NumberFormatArgs()
			{
				this.DecimalPlaces = 2;
				this.NegativeStyle = NumberDataFormatter.NumberNegativeStyle.Default;
			}

			public short DecimalPlaces { get; set; }

			public NumberDataFormatter.NumberNegativeStyle NegativeStyle { get; set; }

			public bool UseSeparator { get; set; }

			public string CustomNegativePrefix { get; set; }

			public string CustomNegativePostfix { get; set; }

			public override bool Equals(object obj)
			{
				bool flag = !(obj is NumberDataFormatter.NumberFormatArgs);
				bool result;
				if (flag)
				{
					result = false;
				}
				else
				{
					NumberDataFormatter.NumberFormatArgs numberFormatArgs = (NumberDataFormatter.NumberFormatArgs)obj;
					result = (this.DecimalPlaces == numberFormatArgs.DecimalPlaces && this.NegativeStyle == numberFormatArgs.NegativeStyle && this.UseSeparator == numberFormatArgs.UseSeparator && this.CustomNegativePrefix == numberFormatArgs.CustomNegativePrefix && this.CustomNegativePostfix == numberFormatArgs.CustomNegativePostfix);
				}
				return result;
			}

			public override int GetHashCode()
			{
				return base.GetHashCode();
			}
		}

		[Flags]
		public enum NumberNegativeStyle : byte
		{
			Default = 1,
			Minus = 1,
			Red = 2,
			Brackets = 4,
			RedMinus = 3,
			BracketsMinus = 5,
			RedBrackets = 6,
			RedBracketsMinus = 7,
			Prefix_Sankaku = 8,
			CustomSymbol = 240
		}
	}
}