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

namespace UDEMY_SECTION_4
{
    class Program
    {
        static void Main(string[] args)
        {
            //intro to decision structures
            int temp = 10;

            if (temp <10)
            {
                Console.WriteLine("Take the coat.");
            }

            if (temp == 10)
            {
                Console.WriteLine("It's 10 degrees C.");
            }

            if (temp >10)
            {
                Console.WriteLine("Cozy!");
            }

            //37 Intro to TryParse()
            string numAsString = "1281";
            int numString;
            bool success = int.TryParse(numAsString, out numString);

            if (success)
            {
                Console.WriteLine("Parsing successful, number is: " + numString);
            }
            else
            {
                Console.WriteLine("Failed parsing");
            }

            //38 If & Else If + Try Parse
            Console.WriteLine("What's the temperature like?");
            string temp2 = Console.ReadLine();
            int temp2Num;
            int num2;

            if (int.TryParse(temp2, out num2))
            {
                temp2Num = num2;
            }
            else
            {
                Console.WriteLine("Value entered was not a number. Temperature set to 0.");
                temp2Num = 0;
            }

            if (temp2Num < 10)
            {
                Console.WriteLine("Take the coat.\n");
            }
            else if (temp2Num == 10)
            {
                Console.WriteLine("It's 10 degrees C.\n");
            }
            else if(temp2Num == 30)
            {
                Console.WriteLine("Boy it's hot.\n");
            }
            else
            {
                Console.WriteLine("Cozy!\n");
            }


            //39 Nested If Statements
            bool isAdmin = false, isRegistered = true;
            string userName = "";

            Console.WriteLine("Enter in user name: ");
            userName = Console.ReadLine();


            //you could also add all ofthese into the initial if statement
            if (isRegistered)
            {
                Console.WriteLine("Hi there, registered user!");
                if (userName != "")
                {
                    Console.WriteLine("Hi there, " + userName);
                    if(userName == "Admin")
                    {
                        Console.WriteLine("Hi there, Admin!");
                    }
                }

            }

            if (isAdmin || isRegistered)
            {
                Console.WriteLine("You are logged in.\n");
            }

            //40 If Statement Challenge
            Console.WriteLine("Create a username: ");
            string un = Console.ReadLine();
            Console.WriteLine("Create a password: ");
            string pw = Console.ReadLine();
            Console.WriteLine("Enter in username: ");
            string inputUN = Console.ReadLine();
            Console.WriteLine("Enter in password: ");
            string inputPW = Console.ReadLine();

            while (inputUN != un && inputPW != pw)
            {
                    Console.WriteLine("Incorrect username or password. Try again.");
                    Console.WriteLine("Enter in username: ");
                    inputUN = Console.ReadLine();
                    Console.WriteLine("Enter in password: ");
                    inputPW = Console.ReadLine();
                    if (inputUN == un && inputPW == pw)
                    {
                        Console.WriteLine("You are logged in!");
                    }

            }






                Console.Read();
        }
    }
}