#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2016 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Runtime.CompilerServices;
using HeuristicLab.Collections;
using HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Data;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;

namespace HeuristicLab.DatastreamAnalysis {
  /// <summary>
  /// Bar representation for a single value.
  /// </summary>
  [Item("DataBar", "Bar representation for a single value")]
  [StorableClass]
  public class DataBar : NamedItem, INotifyPropertyChanged {
    private double value;
    public static Color DefaultBarColor = Color.FromArgb(65, 140, 240);

    public double Value {
      get { return value; }
      set {

        if (this.value != value) {
          this.value = value;
          OnValuePropertyChanged("Value");
        }
      }
    }

    private double thresholdLowerBound;

    public double ThresholdLowerBound {
      get { return thresholdLowerBound; }
      set {
        if (this.value != value) {
          this.value = value;
          OnThresholdPropertyChanged("Threshold");
        }
      }
    }

    private double thresholdUpperBound;

    public double ThresholdUpperBound
    {
      get { return thresholdUpperBound; }
      set
      {
        if (this.value != value) {
          this.value = value;
          OnThresholdPropertyChanged("Threshold");
        }
      }
    }

    #region Persistence Properties
    [Storable(Name = "Value")]
    private double StorableValue {
      get { return value; }
      set { this.value = value; }
    }
    [Storable(Name = "ThresholdLowerBound")]
    private double StorableThresholdLowerBound {
      get { return thresholdLowerBound; }
      set { this.thresholdLowerBound = value; }
    }
    [Storable(Name = "ThresholdUpperBound")]
    private double StorableThresholdUpperBound
    {
      get { return thresholdUpperBound; }
      set { this.thresholdUpperBound = value; }
    }
    #endregion

    #region Visual Properties
    private Color barColor;
    public Color BarColor
    {
      get { return barColor; }
      set
      {
        if (barColor != value) {
          barColor = value;
          OnValuePropertyChanged("BarColor");
        }
      }
    }

    private Color thresholdColor;
    public Color ThresholdColor
    {
      get { return thresholdColor; }
      set
      {
        if (thresholdColor != value) {
          thresholdColor = value;
          OnThresholdPropertyChanged("ThresholdColor");
        }
      }
    }
    #endregion

    #region constructors, cloner ...
    [StorableConstructor]
    protected DataBar(bool deserializing) : base(deserializing) { }

    protected DataBar(DataBar original, Cloner cloner) : base(original, cloner) {
      this.value = original.value;
      this.thresholdLowerBound = original.thresholdLowerBound;
      this.barColor = original.barColor;
      this.thresholdColor = original.thresholdColor;
    }

    public DataBar() : this("DataBar") {
      barColor = DefaultBarColor;
      thresholdColor = Color.Black;
    }

    public DataBar(string name) : base(name) {
      if (string.IsNullOrEmpty(name)) throw new ArgumentException("Name of a DataBar cannot be empty", name);
      barColor = DefaultBarColor;
      thresholdColor = Color.Black;
    }

    public DataBar(string name, double thresholdLowerBound, double thresholdUpperBound) : base(name) {
      if (string.IsNullOrEmpty(name)) throw new ArgumentException("Name of a DataBar cannot be empty", name);
      this.thresholdLowerBound = thresholdLowerBound;
      this.thresholdUpperBound = thresholdUpperBound;
      barColor = DefaultBarColor;
      thresholdColor = Color.Black;
    }

    public DataBar(string name, string description) : base(name, description) {
      if (string.IsNullOrEmpty(name)) throw new ArgumentException("Name of a DataBar cannot be empty", name);
      barColor = DefaultBarColor;
      thresholdColor = Color.Black;
    }

    public override IDeepCloneable Clone(Cloner cloner) {
      return new DataBar(this, cloner);
    }
    #endregion

    protected override void OnNameChanged() {
      base.OnNameChanged();
    }

    public event PropertyChangedEventHandler PropertyChanged;
    public event PropertyChangedEventHandler ValuePropertyChanged;
    public event PropertyChangedEventHandler ThresholdPropertyChanged;

    protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null) {
      PropertyChangedEventHandler handler = PropertyChanged;
      if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
    }

    protected virtual void OnValuePropertyChanged([CallerMemberName] string propertyName = null) {
      PropertyChangedEventHandler handler = ValuePropertyChanged;
      if(handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
    }

    protected virtual void OnThresholdPropertyChanged([CallerMemberName] string propertyName = null) {
      PropertyChangedEventHandler handler = ThresholdPropertyChanged;
      if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
    }
  }
}