using System;
using System.Collections.Generic;
using System.Linq;

namespace MarketData.MarketDataModel
{
  public class EconomicIndicators : List<EconomicIndicator>
  {
    public EconomicIndicators()
    {
    }

    public EconomicIndicators(List<EconomicIndicator> economicIndicators)
    {
      foreach(EconomicIndicator economicIndicator in economicIndicators)
      {
        Add(economicIndicator);
      }
    }

    public List<Int32> GetYears()
    {
      if(0==Count)return null;
      List<Int32> years = (from EconomicIndicator economicIndicator in this select economicIndicator.Year).Distinct().ToList();
      years.Sort();
      return years;
    }

    public Dictionary<String,EconomicIndicators> GetDictionary()
    {
      Dictionary<String,EconomicIndicators> dictionary=new Dictionary<String,EconomicIndicators>();
      if(0==Count)return null;
      for (int index = 0; index < Count; index++)
      {
        EconomicIndicator economicIndicator=this[index];
        if(!dictionary.ContainsKey(economicIndicator.CountryCode))
        {
          List<EconomicIndicator> list=new List<EconomicIndicator>();
          dictionary.Add(economicIndicator.CountryCode,new EconomicIndicators());
        }                                                                                                              
        EconomicIndicators economicIndicators=dictionary[economicIndicator.CountryCode];
        economicIndicators.Add(economicIndicator);
      }
      List<String> keys=new List<String>(dictionary.Keys);
      foreach(String key in keys)
      {
       dictionary[key].Sort(new EconomicIndicatorByYear());
      }
      return dictionary;
    }
  }

  public class EconomicIndicatorByYear : IComparer<EconomicIndicator>
  {
    public int Compare(EconomicIndicator p1,EconomicIndicator p2)
    {
      return p1.Year.CompareTo(p2.Year);
    }
  }

  public class EconomicIndicator
  {
    public String Source{get;set;}
    public String CountryName{get;set;}
    public String CountryCode{get;set;}
    public String IndicatorName{get;set;}
    public String IndicatorCode{get;set;}
    public double IndicatorValue{get;set;}
    public int Year{get;set;}
	}
}