using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using HeuristicLab.Persistence.Interfaces;

namespace HeuristicLab.Persistence.Test {

  public class RootBase {
    [Storable]
    private string baseString = "Serial";
  }

  public class Root : RootBase {
    [Storable]
    public int[] i = new[] { 3, 4, 5, 6 };
    [Storable]
    public string s;
    [Storable]
    public ArrayList intArray = new ArrayList(new[] { 1, 2, 3 });
    [Storable]
    public List<int> intList = new List<int>(new[] { 321, 312, 321 });
    [Storable]
    public Custom c;
    [Storable]
    public List<Root> selfReferences;
    [Storable]
    public double[,] multiDimArray = new double[,] { { 1, 2, 3 }, { 3, 4, 5 } };
    [Storable]
    public bool boolean = true;
    [Storable]
    public DateTime dateTime;
    [Storable]
    public KeyValuePair<string, int> kvp = new KeyValuePair<string, int>("Serial", 123);
    [Storable]
    public Dictionary<string, int> dict = new Dictionary<string, int>();
    [Storable(DefaultValue = "default")]
    public string uninitialized;
  }

  public class Custom {
    [Storable]
    public int i;
    [Storable]
    public Root r;
    [Storable]
    public string name = "Serial";
  }

  public class CloneableRoot {
    public int[] i = new[] { 3, 4, 5, 6 };
    public string s;
    public ArrayList intArray = new ArrayList(new[] { 1, 2, 3 });
    public List<int> intList = new List<int>(new[] { 321, 312, 321 });
    public CloneableCustom c;
    public List<CloneableRoot> selfReferences;
    public double[,] multiDimArray = new double[,] { { 1, 2, 3 }, { 3, 4, 5 } };
    public bool boolean = true;
    public DateTime dateTime;
    public KeyValuePair<string, int> kvp = new KeyValuePair<string, int>("test key", 123);
    public Dictionary<string, int> dict = new Dictionary<string, int>();
    public object Clone(Dictionary<object, object> twins) {
      if (twins.ContainsKey(this))
        return twins[this];
      CloneableRoot cr = new CloneableRoot();
      twins.Add(this, cr);
      cr.i = i;
      cr.s = s;
      cr.intArray = new ArrayList(intArray);
      cr.intList = new List<int>(intList);
      cr.c = (CloneableCustom)c.Clone(twins);
      cr.selfReferences = new List<CloneableRoot>();
      for (int j = 0; j < selfReferences.Count; j++) {
        cr.selfReferences.Add(this);
      }
      cr.multiDimArray = (double[,])multiDimArray.Clone();
      cr.dateTime = new DateTime(dateTime.Ticks);
      cr.kvp = new KeyValuePair<string, int>(kvp.Key, kvp.Value);
      cr.dict = new Dictionary<string, int>(dict);
      return cr;
    }
  }

  public class CloneableCustom {
    public int i;
    public CloneableRoot r;
    public string name = "Serial";
    public object Clone(Dictionary<object, object> twins) {
      if (twins.ContainsKey(this))
        return twins[this];
      CloneableCustom cc = new CloneableCustom();
      twins.Add(this, cc);
      cc.i = i;
      cc.r = (CloneableRoot)r.Clone(twins);
      cc.name = name;
      return cc;
    }
  }

  public class Manager {

    private DateTime lastLoadTime;
    [Storable]
    private DateTime lastLoadTimePersistence {
      get { return lastLoadTime; }
      // ReSharper disable ValueParameterNotUsed
      set { lastLoadTime = DateTime.Now; }
      // ReSharper restore ValueParameterNotUsed
    }
    [Storable]
    private double? dbl;
  }

  public class StorableObject {

    [Storable]
    Dictionary<int, string> dict;

    public void Init() {
      dict = new Dictionary<int, string>();
      for (int i = 0; i < 1000000; i++) {
        dict.Add(i, i.ToString());
      }
    }
  }

  public class CloneableObject : ICloneable {

    Dictionary<int, string> dict;

    public void Init() {
      dict = new Dictionary<int, string>();
      for (int i = 0; i < 1000000; i++) {
        dict.Add(i, i.ToString());
      }
    }
    public object Clone() {
      CloneableObject clone = new CloneableObject {
        dict = new Dictionary<int, string>(dict)
      };
      return clone;
    }
  }  

  public class NewSerializationTest {

    public static void Test1() {      
      Root r = new Root();
      r.selfReferences = new List<Root> {r, r};
      r.c = new Custom {r = r};
      r.dict.Add("one", 1);
      r.dict.Add("two", 2);
      r.dict.Add("three", 3);
      Serializer s = new Serializer(r, ConfigurationService.Instance.GetDefaultConfig(XmlFormat.Instance));        
      Persistence.XmlFormatter xmlFormatter = new XmlFormatter();
      StreamWriter writer = new StreamWriter("test.xml");
      foreach (ISerializationToken token in s) {
        string line = xmlFormatter.Format(token);
        writer.Write(line);
        Console.Out.Write(line);
      }
      writer.Close();
      writer = new StreamWriter("test-types.xml");
      foreach (string line in xmlFormatter.Format(s.TypeCache)) {
        writer.WriteLine(line);
        Console.Out.WriteLine(line);
      }
      writer.Close();
      
      XmlParser parser = new XmlParser(new StreamReader("test.xml"));
      DeSerializer deSerializer = new DeSerializer(
        XmlParser.ParseTypeCache(new StreamReader("test-types.xml")),
        ConfigurationService.Instance.GetDefaultConfig(XmlFormat.Instance));        
      object o = deSerializer.DeSerialize(parser);
      Root t = CloningFactory.DefaultClone(r);
      Console.Out.WriteLine(Util.AutoFormat(o, true));      
    }

    public static void Test2() {
      Manager m = new Manager();      
      Serializer s = new Serializer(m,
        ConfigurationService.Instance.GetDefaultConfig(XmlFormat.Instance));
      Persistence.XmlFormatter xmlFormatter = new XmlFormatter();
      StreamWriter writer = new StreamWriter("test2.xml");
      foreach (ISerializationToken token in s) {
        string line = xmlFormatter.Format(token);
        writer.Write(line);
        Console.Out.Write(line);
      }
      writer.Close();
      XmlParser parser = new XmlParser(new StreamReader("test2.xml"));
      DeSerializer deSerializer = new DeSerializer(
        XmlParser.ParseTypeCache(new StreamReader("test-types.xml")),
        ConfigurationService.Instance.GetDefaultConfig(XmlFormat.Instance));        
      object o = deSerializer.DeSerialize(parser);
      Manager n = CloningFactory.DefaultClone(m);
      Console.Out.WriteLine(Util.AutoFormat(o, true));      
    }

    public static void SpeedTest() {
      StorableObject storable = new StorableObject();
      CloneableObject cloneable = new CloneableObject();
      Console.Write("initializing...");
      storable.Init();
      cloneable.Init();
      Console.WriteLine("done");
      List<StorableObject> storableClones = new List<StorableObject>();
      List<CloneableObject> clonableClones = new List<CloneableObject>();
      CloningFactory cloningFactory = new CloningFactory();
      for (int i = 0; i < 100000; i++) {
        Console.Write("cloning storable.. ");
        storableClones.Add(cloningFactory.Clone(storable));
        Console.WriteLine();
        Console.Write("cloning cloneable.. ");
        clonableClones.Add((CloneableObject)cloneable.Clone());
        Console.WriteLine();
      }
    }

    public static void SpeedTest2() {
      Root r = new Root();
      r.selfReferences = new List<Root> {r, r};
      r.c = new Custom {r = r};
      r.dict.Add("one", 1);
      r.dict.Add("two", 2);
      r.dict.Add("three", 3);

      CloneableRoot cr = new CloneableRoot();
      cr.selfReferences = new List<CloneableRoot> {cr, cr};
      cr.c = new CloneableCustom {r = cr};
      cr.dict.Add("one", 1);
      cr.dict.Add("two", 2);
      cr.dict.Add("three", 3);      
      List<Root> storableClones = new List<Root>();
      List<CloneableRoot> clonableClones = new List<CloneableRoot>();      
      CloningFactory cloningFactory = new CloningFactory();

      DateTime start = DateTime.Now;
      Console.Write("cloning storable.. ");
      for (int i = 0; i < 100000; i++) {       
        storableClones.Add(cloningFactory.Clone(r));                        
      }
      Console.WriteLine(new TimeSpan(DateTime.Now.Ticks - start.Ticks));

      start = DateTime.Now;
      Console.Write("cloning storable again.. ");
      for (int i = 0; i < 100000; i++) {
        storableClones.Add(cloningFactory.Clone(r));
      }
      Console.WriteLine(new TimeSpan(DateTime.Now.Ticks - start.Ticks));

      start = DateTime.Now;
      Console.Write("cloning cloneable.. ");
      for (int i = 0; i < 100000; i++) {        
        clonableClones.Add((CloneableRoot)cr.Clone(new Dictionary<object, object>()));
      }
      Console.WriteLine(new TimeSpan(DateTime.Now.Ticks - start.Ticks));
      clonableClones.Clear();
      
    }

    public class Base {
      [Storable] private int baseInt = 3;      
    }

    public class Derived: Base {
      [Storable] private int derivedInt = 5;
    }


    public static void Main() {      
      Test1();      
      //Test2();
      //SpeedTest();
      //SpeedTest2();
      Console.In.ReadLine();
    }
  }
}