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




namespace ClassLib000.Walker
{
    public class Appartment
    {
        public List<CleanSpace> CleanSpaces;
        public VacuumCleaner VC;

        public Appartment()
        {
            VC = new VacuumCleaner();
            CleanSpaces = new List<CleanSpace>();
        }

        #region public methods
        /// <summary>
        /// Формирование содержимого для сохранения (сериализация)
        /// </summary>
        public string GetContent()
        {
            StringBuilder sb = new StringBuilder();
            sb.AppendLine($"{VC.GetContent()}");
            foreach (CleanSpace space in CleanSpaces)
            {
                sb.AppendLine($"{space.GetContent()}");
            }
            return sb.ToString();
        }

        public void InitDoor(int x1, int y1, int x2, int y2)
        {
            foreach (var sp in CleanSpaces)
            {
                if (sp.X > x1 && sp.X > x2 && sp.Y > y1 && sp.Y < y2)
                {
                    sp.WallEast = false;
                    sp.WallNorth = false;
                    sp.WallSouth = false;
                    sp.WallWest = false;
                }
            }
        }

        public void InitRoom(int x1, int y1, int x2, int y2)
        {
            for (int iX = x1; iX <= x2; iX++)
            {
                for (int iY = y1; iY <= y2; iY++)
                {
                    CleanSpace cs = new CleanSpace(x1, y1);
                    if (iX == x1)
                    {
                        cs.WallWest = true;
                    }
                    if (iX == x2)
                    {
                        cs.WallEast = true;
                    }
                    if (iY == y1)
                    {
                        cs.WallNorth = true;
                    }
                    if (iY == y2)
                    {
                        cs.WallSouth = true;
                    }
                }

            }
        }

        public void InitVC()
        {
            VC.X = CleanSpaces[0].X;
            VC.Y = CleanSpaces[0].Y;
        }

        public List<CleanSpace> GetDirtyCleanSpace(int iDayCount)
        {
            List<CleanSpace> result = new List<CleanSpace>();
            DateTime dtFrom = DateTime.Now.AddDays(-iDayCount);
            foreach (var sp in CleanSpaces)
            {
                if (sp.DateClean < dtFrom)
                {
                    result.Add(sp);
                }
            }
            return result;
        }

        public List<CleanSpace> FindRouteForVC(VacuumCleaner vc, int toX, int toY)
        {
            List<CleanSpace> result = new List<CleanSpace>();
            int fromX = vc.X;
            int fromY = vc.Y;
            // ... реализация алгоритма перебора путей (поиск кратчайшего)
            var cleanSpaceFrom = CleanSpaces[0];
            var cleanSpaceTo = CleanSpaces[1];
            if (vc.CanGo(cleanSpaceFrom, cleanSpaceTo))
            {
                //...
            }
            return result;
        }
        #endregion 
    }
}