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

namespace Lab1.Exercises.RealEstateAgency_U1_6
{
    /// <summary>
    /// Class with methods for working with House.cs class
    /// </summary>
    class HouseUtils
    {
        /// <summary>
        /// Method for finding max house count by street
        /// </summary>
        /// <param name="houseList">given List<house></param>
        /// <returns></returns>
        public static int FindMaxHouseCountByStreet(List<House> houseList)
        {
            int maxHouseCount = 0;
            foreach (House house in houseList)
            {
                int hou = 0;
                for (int i = 0; i < houseList.Count; i++)
                    if (house.Street == houseList[i].Street) hou++;

                if (hou > maxHouseCount)
                    maxHouseCount = hou;
            }
            return maxHouseCount;
        }



        /// <summary>
        /// Method for filtering house streets with given List<house></house>
        /// </summary>
        /// <param name="houseList">given full List of house</param>
        /// <param name="amount">amount of house street must have to satisfy filter</param>
        /// <returns>returns filtered string list</returns>
        public static List<string> FindHousesByAmount(List<House> houseList, int amount)
        {
            List<string> houseStreets = new List<string>();

            foreach (House house in houseList)
            {
                int hou = 0;
                for (int i = 0; i < houseList.Count; i++)
                {
                    if (house.Street == houseList[i].Street) hou++;
                    if (hou == amount && !houseStreets.Contains(house.Street)) houseStreets.Add(house.Street);
                }
            }
            return houseStreets;
        }

        /// <summary>
        /// Method for finding oldest house count by Built years
        /// </summary>
        /// <param name="houseList">given List<house></param>
        /// <returns></returns>
        public static List<House> FindHousesByBuildYear(List<House> houseList, int amount)
        {


            List<House> houseBuildYears = new List<House>();

            foreach(House house in houseList)
            {
                if (house.BuildYears==amount)
                {
                    houseBuildYears.Add(house);
                }
            }

            /*

            foreach (House house in houseList)
            {
                int hou=0;
                for (int i = 0; i < houseList.Count; i++)
                {
                    if (house.BuildYears < houseList[i].BuildYears) hou = house.BuildYears;
                    {
                        if (house.BuildYears == houseList[i].BuildYears) hou = house.BuildYears;
                    }

                }
            }
            */
            return houseBuildYears;
        }

        /// <summary>
        /// Method for filtering oldest house with given List<house></house>
        /// </summary>
        /// <param name="houseList">given full List of house</param>
        /// <param name="amount">amount of house street must have to satisfy filter</param>
        /// <returns>returns filtered string list</returns>
        public static int OldestHouseStreets(List<House> houseList)
        {
            int cur = 30000;

            foreach (House house in houseList)
            {
                if(house.BuildYears < cur)
                {
                    cur = house.BuildYears;
                }
            }/*




            //DateTime currentTime = DateTime.Today;
            //DateTime customYearsAgo = currentTime.AddYears(-(int)YearsOld);

            //List<string> hou = new List<string>();


            foreach (House house in houseList)
            {
                int  yearsold;
                string adress, type, area;
                for (int i = 0; i < houseList.Count; i++)
                {

                    if (house.BuildYears < houseList[i].BuildYears) hou = house.BuildYears;  yearsold = currentTime - hou;  adress = house.Street; type = house.TypeOfHouse; area = house.HouseArea;
                    if (house.BuildYears == amount && !hou.Contains(house.BuildYears)) hou.Add(house.BuildYears);
                }
            }
            */


            return cur;
        }





    }


}