using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Reservations
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        //public bool IsValidData()
        //{

        //}

        public bool IsPresent(TextBox textBox, string name)
        {
            if (textBox.Text == "")
            {
                MessageBox.Show(name + " is a required field.", "Entry Error");
                textBox.Focus();
                return false;
            }
            return true;
        }

        //public bool IsDateTime(TextBox textBox, string name)
        //{

        //}

        //public bool IsWithinRange(TextBox textBox, string name,
        //    DateTime min, DateTime max)
        //{

        //}

        private void btnExit_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void btnCalculate_Click(object sender, EventArgs e)
        {
            double weekendprice_perNight=0, price_perNight=0;
            double total=0;
            double average;


            DateTime arrivalDate = DateTime.Today;
            DateTime.TryParse(txtArrivalDate.Text, out arrivalDate);
            DateTime departureDate = DateTime.Today;
            DateTime.TryParse(txtDepartureDate.Text, out departureDate);
            TimeSpan totalTime = departureDate.Subtract(arrivalDate);
            int totalNights = totalTime.Days;
            txtNights.Text += totalNights;



            DayOfWeek dayOfWeek = arrivalDate.DayOfWeek ;

            int counter = 0;
            for(counter=1; counter <= 7; counter++)
            {
                if (dayOfWeek == DayOfWeek.Friday || dayOfWeek == DayOfWeek.Saturday)
                {
                    weekendprice_perNight = 150;
                }
                else
                {
                    price_perNight = 120;

                }
                total = (price_perNight * totalNights) + weekendprice_perNight;
                txtTotalPrice.Text = total.ToString("c");
                average = total / totalNights;
                txtAvgPrice.Text = average.ToString("c");
            }






        }

        private void Form1_Load(object sender, EventArgs e)
        {


            DateTime currentDate = DateTime.Today;
            DateTime depDate = currentDate.AddDays(3);
            txtArrivalDate.Text = currentDate.ToShortDateString();
            txtDepartureDate.Text = depDate.ToShortDateString();

            //DateTime dateTime = new DateTime(2016, 1, 29);
            //DateTime departureTime = dateTime.AddDays(3);
            //string shortDate = dateTime.ToShortDateString();
            //shortDate = shortDate.Replace("-", "/");
            //string shortDepDate = departureTime.ToShortDateString();
            //shortDepDate = shortDepDate.Replace("-", "/");
            //txtArrivalDate.Text = shortDate;
            //txtDepartureDate.Text = shortDepDate;



        }
    }
}