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


namespace CedLib
{
    namespace Persistence
    {
        namespace XMLPersistenceDictionary
        {
            using System.Xml.Serialization;

            [Serializable]
            public class XMLPersistenceDictionary : ICollection, IEnumerable<savenode>
            {
                public Logging logger;

                public List<savenode> innerdict;


                public XMLPersistenceDictionary(Logging _logger)
                {
                    logger = _logger;
                    innerdict = new List<savenode>();
                    logger.log("Initialized new XMLPersistence dictionary", Logging.Priority.Info);
                }

                public XMLPersistenceDictionary()
                {
                    innerdict = new List<savenode>();
                }

                public bool ContainsKey(string key)
                {
                    return innerdict.Exists(s => s.name == key);
                }
                public bool ContainsValue(string value)
                {
                    return innerdict.Exists(s => s.obj == value);
                }
                public void Add(savenode value)
                {
                    if (logger != null)
                        logger.log("Adding new dictionary item: " + value.name, CedLib.Logging.Priority.Notice);
                    innerdict.Add(value);
                }
                public void Add(string name, string obj)
                {
                    savenode value = new savenode(name, obj);
                    if (logger != null)
                        logger.log("Adding new dictionary item: " + value.name, CedLib.Logging.Priority.Notice);
                    innerdict.Add(value);
                }
                public void AddRange(savenode[] savenodes)
                {
                    logger.log("Adding range of items", Logging.Priority.Notice);
                    foreach (var savenode in savenodes)
                    {
                        if (logger != null)
                            logger.log("Adding new dictionary item: " + savenode.name, CedLib.Logging.Priority.Notice);
                        innerdict.Add(savenode);
                    }
                }
                public void Remove(savenode value)
                {
                    if (logger != null)
                        logger.log("Removing dictionary item: " + value.name, CedLib.Logging.Priority.Notice);
                    innerdict.Remove(value);
                }
                public void Remove(string value)
                {
                    if (logger != null)
                        logger.log("Removing dictionary item: " + value, CedLib.Logging.Priority.Notice);
                    innerdict.Remove(innerdict.Find(s => s.name == value));
                }
                public savenode[] ToSavenodeArray()
                {
                    return innerdict.ToArray();
                }
                public int Count
                {
                    get { return innerdict.Count; }
                }

                #region IEnumerable shit
                void ICollection.CopyTo(Array myArr, int index)
                {

                    foreach (savenode i in innerdict)
                    {
                        myArr.SetValue(i, index);
                        index++;
                    }

                }

                public IEnumerator<savenode> GetEnumerator()
                {
                    return (IEnumerator<savenode>)innerdict.GetEnumerator();
                }
                IEnumerator IEnumerable.GetEnumerator()
                {
                    // Defer to generic version
                    return GetEnumerator();
                }

                bool ICollection.IsSynchronized
                {
                    get
                    {
                        return true;
                    }
                }

                object ICollection.SyncRoot
                {
                    get
                    {
                        return this;
                    }
                }

                int ICollection.Count
                {
                    get
                    {
                        return innerdict.Count;
                    }
                }
                #endregion


                public savenode this[string index]
                {
                    get { return innerdict.Find(s => s.name == index); }
                    set
                    {
                        if (innerdict.Count > 0)
                            innerdict[innerdict.FindIndex(s => s.name == index)] = value;
                        else
                            Add(value);
                    }
                }
                public savenode this[int index]
                {
                    get { return innerdict[index]; }
                    set { innerdict[index] = value; }
                }

                public bool save(string filename) //causes stack overflow when savenode is IEnumerable!
                {
                    XmlSerializer serializer = new XmlSerializer(typeof(List<savenode>));
                    System.IO.FileStream fstream = new System.IO.FileStream(filename, System.IO.FileMode.OpenOrCreate);
                    serializer.Serialize(fstream, innerdict);
                    fstream.Flush();
                    fstream.Close();
                    return true;
                }

                public bool load(string filename)
                {
                    XmlSerializer serializer = new XmlSerializer(typeof(List<savenode>));
                    System.IO.FileStream fstream = new System.IO.FileStream(filename, System.IO.FileMode.Open);
                    innerdict = (List<savenode>)serializer.Deserialize(fstream);
                    fstream.Flush();
                    fstream.Close();
                    return true;
                }
            }


            [Serializable]
            public class savenode : IEnumerable<savenode>
            {
                public savenode(string _name, string _object)
                {
                    name = _name;
                    obj = _object;
                    Console.WriteLine("New node: " + _name);
                }
                public savenode(string _name, string _object, XMLPersistenceDictionary _childnodes)
                {
                    name = _name;
                    obj = _object;
                    childnodes = _childnodes;
                    Console.WriteLine("New node: " + _name);
                }
                public savenode() { }

                public void Add(object snode)
                {
                    if (childnodes == null)
                        childnodes = new XMLPersistenceDictionary();
                    childnodes.Add((savenode)snode);
                }

                IEnumerator IEnumerable.GetEnumerator()
                {
                    Console.Write(".");
                    return GetEnumerator();
                }

                public IEnumerator<savenode> GetEnumerator()
                {
                    Console.Write(".");
                    if (childnodes != null)
                        return childnodes.GetEnumerator();
                    else
                        return null;
                }


                public string name { get; set; }

                public string obj { get; set; }


                [XmlArray("childnodes")]
                public XMLPersistenceDictionary childnodes;
            }
        }




    }
}