// Programmer: Janet Joy
// Show advice
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 Advice
{
    public partial class Form1 : Form
    {
        List<string> advice= new List<string> { "Eat right", "Drink lots of water" };
        Random random = new Random(); //declare random just once
        public Form1()
        {
            InitializeComponent();
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            // Move the lblAdvice 1 position to the left.
            int yPos = lblAdvice.Location.Y;
            int xPos = lblAdvice.Location.X-1;
            // If the label has moved off the form on the left 
            // restart on the right.
            if (xPos < 0 - lblAdvice.Width)
            {
                xPos = this.Width;
                newAdvice();
            }
           
            lblAdvice.Location = new Point(xPos, yPos);
        }
        public void newAdvice()
        {
            // Select one of the items in advice list randomly
            int num= random.Next(0, advice.Count);
            lblAdvice.Text=advice.ElementAt(num);
        }

        private void btnAdd_Click(object sender, EventArgs e)
        {
            string s = txtAdvice.Text;
            if(s!="")
            {
                advice.Add(s);
                txtAdvice.Text = "";
            }
        }
    }
}