using System;

using System.Linq;

using System.Collections.Generic;

using System.Globalization;

using Newtonsoft.Json;

using System.Reflection;

public class Program

{

    public static void Main()

    {

        var culture = new CultureInfo("pt-BR");

        var calendar = culture.Calendar;

        int weekOfYear = calendar

            .GetWeekOfYear(DateTime.Now, culture.DateTimeFormat.CalendarWeekRule, culture.DateTimeFormat.FirstDayOfWeek);

        Console.WriteLine(weekOfYear);

        Semana s = Semana.Seg;

        Console.WriteLine(s.ToString());

        var temp = new Template { Ano = 2021, Semana = 23 };

        Console.WriteLine(temp.AvailableTime(TipoDemanda.Melhoria, Semana.Ter));

    }

}

​

public sealed class Template

{

    public int Ano { get; set; }

    public int Semana { get; set; }

    private Quadro Quadro { get; set; } = new();

    public int AvailableTime(TipoDemanda tipoDemanda, Semana semana)

    {

        object diaSemana = typeof(Quadro)

            .GetProperty(semana.ToString())

            .GetValue(Quadro);

        Demanda demanda = (Demanda)typeof(DiaSemana)

            .GetProperty(tipoDemanda.ToString())

            .GetValue(diaSemana);

        return demanda.Disponivel;

    }

}

​

class Quadro

{   

    public Quadro()

    {

        Ter = new DiaSemana

        {

            Melhoria = new Demanda { Total = 200 },

            Suporte = new(),

            Manutencao = new(),

            Projeto = new(),

            Administracao = new()

        };

    }

    public DiaSemana Seg { get; set; } = new();

    public DiaSemana Ter { get; set; } = new();

    public DiaSemana Qua { get; set; } = new();

    public DiaSemana Qui { get; set; } = new();

    public DiaSemana Sex { get; set; } = new();

}

​

class DiaSemana

{

    public Demanda Melhoria { get; set; } = new();

    public Demanda Suporte { get; set; } = new();

    public Demanda Manutencao { get; set; } = new();

    public Demanda Projeto { get; set; } = new();

    public Demanda Administracao { get; set; } = new();

}

​

class Demanda

{

    public int Total { get; set; }

    public ICollection<(string Demanda, int Tempo)> Alocado { get; set; } = new List<(string, int)>();

    [JsonIgnore]

    public int Disponivel => Total - Alocado.Sum(x => x.Tempo);

}

​

public enum TipoDemanda

{

    Melhoria,

    Suporte,

    Manutencao,

    Projeto,

    Administracao

}

​

public enum Semana { Seg, Ter, Qua, Qui, Sex }