using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using WebWindowComplex.Json;
using static WebWindowComplex.Json.WindowConst;

namespace WebWindowComplex.Models
{
    public class ElementDimension
    {
        #region Public Constructors

        public ElementDimension(Area ParentArea, int nIndex, double dDimension)
        {
            m_ParentArea = ParentArea;
            m_nIndex = nIndex;
            m_dDimension = dDimension;
        }

        #endregion Public Constructors

        #region Public Properties

        public double dDimension
        {
            get
            {
                return m_dDimension;
            }
            set
            {
                if(dDimension != value)
                {
                    if (m_ParentArea is Split)
                    {
                        if (value > m_dMax)
                            value = m_dMax;
                        else if (value < m_dMin)
                            value = m_dMin;
                        Split s = (Split)m_ParentArea;
                        SplitElementDimension splitElem = (SplitElementDimension)this;
                        List<SplitDimension> elemList = new List<SplitDimension>();
                        Frame? frame = s.ParentWindow.AreaList.First();
                        double dimTot = 0;
                        if (s.ElemDimVertList.Contains(splitElem))
                            elemList = s.SplitVertList;
                        else if (s.ElemDimHorizList.Contains(splitElem))
                            elemList = s.SplitHorizList;
                        if(elemList.ElementAt(m_nIndex).MeasureType is MeasureTypes.ABSOLUTE ||
                            elemList.ElementAt(m_nIndex - 1).MeasureType is MeasureTypes.ABSOLUTE)
                        {
                            if (value > m_dDimension)
                            {
                                dimTot = dimTot - (value - m_dDimension);
                            }
                            else
                            {
                                dimTot = dimTot + (m_dDimension - value);
                            }
                            double diff = (m_dDimension - value)/2;
                            if(elemList.ElementAt(m_nIndex - 1).MeasureType is MeasureTypes.ABSOLUTE)
                                elemList.ElementAt(m_nIndex - 1).SetDimension(elemList.ElementAt(m_nIndex - 1).dDimension + diff);
                            if(elemList.ElementAt(m_nIndex).MeasureType is MeasureTypes.ABSOLUTE)
                                elemList.ElementAt(m_nIndex).SetDimension(elemList.ElementAt(m_nIndex).dDimension + diff);
                        }
                    }
                    else if(m_ParentArea is Sash && (m_nIndex == 2 || m_nIndex == 4))
                    {
                        if (value > m_dMax)
                            value = m_dMax;
                        else if (value < m_dMin)
                            value = m_dMin;
                        Sash s = (Sash)m_ParentArea;
                        if (s.bIsDimensionLight)
                        {
                            int indSash = -1;
                            for(int i = 0; i < s.SashList.Count; i++)
                            {
                                if (s.SashList.ElementAt(i).ElementDimensionList.Contains(this))
                                {
                                    indSash = i;
                                    break;
                                }
                            }
                            if(s.SashList.ElementAt(indSash).MeasureType is MeasureTypes.ABSOLUTE)
                            {
                                if (value > m_dDimension)
                                {
                                    double diff = (value - m_dDimension);
                                    s.SashList.ElementAt(indSash).SetDimension(s.SashList.ElementAt(indSash).dDimension - diff);
                                }
                                else
                                {
                                    double diff = m_dDimension - value;
                                    s.SashList.ElementAt(indSash).SetDimension(s.SashList.ElementAt(indSash).dDimension + diff);
                                }
                            }
                        }
                    }
                    if (value > m_dMax)
                        m_dDimension = m_dMax;
                    else if (value < m_dMin)
                        m_dDimension = m_dMin;
                    else
                        m_dDimension = value;
                }
            }
        }
        public int nIndex
        {
            get
            {
                return m_nIndex;
            }
        }
        public string sName
        {
            get
            {
                return m_sName;
            }
            set
            {
                if (m_sName != value)
                {
                    m_sName = value;
                }
            }
        }
        public Area ParentArea
        {
            get
            {
                return m_ParentArea;
            }
        }
        public double dOverlap
        {
            get
            {
                return m_dOverlap;
            }
        }

        #endregion Public Properties

        #region Public Methods

        public void SetDimension(double dValue)
        {
            m_dDimension = dValue;
        }

        public void SetIndex(int nIndex)
        {
            m_nIndex = nIndex;
        }

        public void SetMaxDimension(double dValue)
        {
            m_dMax = dValue;
        }

        public void SetMinDimension(double dValue)
        {
            m_dMin = dValue;
        }

        public void SetNameElement(string dValue)
        {
            m_sName = dValue;
        }

        public void SetOverlapElement(double dValue)
        {
            m_dOverlap = dValue;
        }

        public virtual ElementDimension Copy()
        {
            ElementDimension newElementDimension = new ElementDimension(ParentArea, nIndex, dDimension);
            return newElementDimension;
        }

        #endregion Public Methods

        #region Internal Methods

        internal JsonElementDimension Serialize()
        {
            JsonElementDimension JsonElementDimension = new JsonElementDimension(m_nIndex, m_dDimension);
            return JsonElementDimension;
        }

        #endregion Internal Methods

        #region Private Fields

        private Area m_ParentArea;

        private double m_dDimension;

        private double m_dOverlap;

        private int m_nIndex;

        private string m_sName = "";

        private double m_dMin = 40;

        private double m_dMax = 100;

        #endregion Private Fields
    }
}