using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Data;
using System.Windows.Media;

using System.Windows;
using DataAnalysisControl.Core;

namespace Aitex.UI.Charting.Converter
{
    public class RolloverDataPointerInfoConverter : IMultiValueConverter
    {
        public object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            try
            {
                DateTime time = (DateTime)values[0];
                double y = (double)values[1];
                var series = (Aitex.UI.Charting.View.MyLineSeries)values[2];

                string stepName = "";
                string recipeStepName = "PM.RecipeEngine.CurStepNo";
                if (series.DataSource != null && series.DataSource.Datas != null && series.DataSource.Datas.ContainsKey(recipeStepName))
                {
                    var datas = series.DataSource.Datas[recipeStepName];
                    int index = datas.TimeStamp.FindIndex((t) => time.Equals(t));
                    if (index >= 0 && index < datas.RawData.Count)
                    {
                        int curStepNo = (int)(datas.RawData[index] + 0.5);
                        //if (curStepNo > 0 && series.DataSource != null && series.DataSource.RecipeSteps != null && series.DataSource.RecipeSteps.Count > curStepNo)
                        //{
                        //    stepName = series.DataSource.RecipeSteps[curStepNo].StepName;
                        //}
                        if (curStepNo > 0 && series.DataSource != null && series.DataSource.RecipeSteps != null)
                        {
                            for (int m = 0; m < series.DataSource.RecipeSteps.Count - 1; m++)
                            {
                                if (time >= series.DataSource.RecipeSteps[m].StepTime &&
                                    time < series.DataSource.RecipeSteps[m + 1].StepTime)
                                {
                                    var sname = series.DataSource.RecipeSteps[m].StepName;
                                    if (sname.Contains(string.Format("第{0}步", curStepNo)))
                                        stepName = sname;
                                    break;
                                }
                            }
                        }
                    }
                }
                if (series.Offset == 0)
                    return string.Format("【{0}】   {1}    {2}(x{3})      {4}", time.ToString("yyyy/MM/dd HH:mm:ss"), ((y - series.Offset) / series.Factor).ToString("f3"), y.ToString("f3"), series.Factor, stepName);
                else
                    return string.Format("【{0}】   {1}    {2}(x{3}+{4})      {5}", time.ToString("yyyy/MM/dd HH:mm:ss"), ((y - series.Offset) / series.Factor).ToString("f3"), y.ToString("f3"), series.Factor, series.Offset, stepName);
                //if (series.Offset == 0)
                //    return string.Format("【{0}】   {1}    {2}(x{3})      {4}", time.ToString("yyyy/MM/dd HH:mm:ss"), (y - series.Offset) / series.Factor, y, series.Factor, stepName);
                //else
                //    return string.Format("【{0}】   {1}    {2}(x{3}+{4})      {5}", time.ToString("yyyy/MM/dd HH:mm:ss"), (y - series.Offset) / series.Factor, y, series.Factor, series.Offset, stepName);
            }
            catch (Exception ex)
            {
                CONTEXT.WriteLog(ex);
            }
            return "";
        }

        public object[] ConvertBack(object value, Type[] targetTypes, object parameter, System.Globalization.CultureInfo culture)
        {
            return null;
        }
    }
}