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

namespace anna_kuutti_su215_uppgifter_3
{
    class Box
    {
        public int x;
        public int y;
        public int width;
        public int height;
        int randomColor;
        public ConsoleColor[] colors = { ConsoleColor.Yellow, ConsoleColor.Red, ConsoleColor.Magenta, ConsoleColor.Green, ConsoleColor.Gray, ConsoleColor.DarkYellow, ConsoleColor.DarkRed, ConsoleColor.DarkMagenta, ConsoleColor.DarkGreen, ConsoleColor.DarkGray, ConsoleColor.DarkCyan, ConsoleColor.DarkBlue, ConsoleColor.Blue };
        Random rndColor = new Random();

        public void Draw()
        {
            randomColor = rndColor.Next(0, colors.Length);
            Console.BackgroundColor = colors[randomColor];
            Console.ForegroundColor = colors[randomColor];
            for (int i = 0; i < height; i++)
            {
                System.Console.SetCursorPosition(x, y);
                for (int o = 0; o < width; o++)
                {
                    Console.Write("x");
                    //System.Threading.Thread.Sleep(1);
                }
                y += 1;
            }
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            ChooseWhatToDo();
            Console.ReadLine();
        }

        static void ChooseWhatToDo()
        {
            Console.WriteLine("Please choose witch program you want to play");
            Console.WriteLine("1. rock paper scissor");
            Console.WriteLine("2. stop time at 10");
            Console.WriteLine("3. 1 to 100 000");
            Console.WriteLine("4. Fibonaccis");
            Console.WriteLine("5. Login in with many users");
            Console.WriteLine("6. Create boxes");

            switch (EnterAnumber())
            {
                case 1:
                    RockScissorPaper();
                    break;
                case 2:
                    ComeSoCloseAsYoucanTo30();
                    break;
                case 3:
                    CountTo100000();
                    break;
                case 4:
                    Fibonaccis();
                    break;
                case 5:
                    LogInManyUsers();
                    break;
                case 6:
                    CreateBoxes();
                    break;
            }
        }

        static void LogInManyUsers()
        {
            string[] user = { "egon", "kalle", "per", "nils" }; //array its many strings in this case stored in one place
            string[] password = { "banan", "1234", "password", "nisse" };
            Console.WriteLine("Please write your username first, then press enter and write your password.");//writes out on the console

            string userName = Console.ReadLine(); //reads what the user writes on the console and put it in the string
            string userPassword = Console.ReadLine();

            try
            {
                int pos = Array.IndexOf(user, userName); //array.IndexOf looks at the array you choose and look at the position this string i this case has
                if (userPassword == password[pos])
                    Console.WriteLine("Welcome to my program");
            }
            catch
            {
                Console.WriteLine("either your username or password is wrong");
            }
        }

        static void Fibonaccis()
        {
            long number1 = 0; // a bigger int
            long number2 = 1;
            long number3;

            long evenNumber = 0;

            for (int i = 0; i < 51; i++) // as long as i is smaller than 51
            {
                if (number1 == 0) //if 1 is 0 then it enter this if-statement
                    Console.WriteLine(number2);

                number3 = number1 + number2;
                number1 = number2;
                number2 = number3;
                if (IsEven(number3) && number3 < 4000001)
                {
                    evenNumber = number3 + evenNumber;
                }
                Console.WriteLine(number3);
            }
            Console.WriteLine("All even numbers under 4000 000 is " + evenNumber);
        }

        static bool IsEven(long value) // bool is true or false
        {
            return value % 2 == 0; // % gives backthe things that is left after it has been divided by 2 in this case
        }

        static void CountTo100000()
        {
            DateTime startTime = DateTime.Now; //dateTime is a funktion that creates a variabel that can store time. DateTime.now takes the time that is right now
            for (int i = 0; i < 100001; i++)
            {
                Console.WriteLine(i);
            }
            TimeSpan span = DateTime.Now - startTime;

            DateTime secondStartTime = DateTime.Now;
            for (int i = 0; i < 100001; i++)
            {
                Console.Write(i);
            }
            TimeSpan secondSpan = DateTime.Now - secondStartTime; //timespan creates a variabel that can count the difference between two times
            Console.WriteLine("Det tog writeLine {0} seconds och write {1} seconds ", span.TotalSeconds, secondSpan.TotalSeconds);
        }

        static void ComeSoCloseAsYoucanTo30()
        {
            Console.WriteLine("The goal is to come as close to 30 seconds as you can");
            Console.WriteLine("Press enter to start the timer");
            DateTime startTime = DateTime.Now;
            Console.ReadLine();

            Console.WriteLine("Press enter when you want to stop the timer");
            Console.ReadLine();
            TimeSpan span = DateTime.Now - startTime;
            int yourTime = 10 - (int)span.TotalSeconds;//(int) makes the timespan time to an int
            Console.WriteLine("You were {0} seconds away", yourTime);
        }

        static void RockScissorPaper()
        {
            int soManyWinsNeedsTowin;
            int computerWins = 0;
            int playerWins = 0;
            string[] options = { "spock", "scissor", "paper", "rock", "lizard", "spock", "scissor", "paper", "rock", "lizard" };
            Random rnd = new Random();

            Console.WriteLine("We are going to play rock paper scissor.");
            while (true)
            {
                Console.WriteLine("Please choose how many points you want to play to.");
                Console.WriteLine("Press either 1, 3, 5 or 7 for how many times you want to play");
                soManyWinsNeedsTowin = EnterAnumber();

                if (soManyWinsNeedsTowin != 1 || soManyWinsNeedsTowin != 3 || soManyWinsNeedsTowin != 5 || soManyWinsNeedsTowin != 7)
                    Console.WriteLine("Please write a correct number");
                else
                    break;

            }
            while (true)//countinues as long as its true
            {

                Console.WriteLine("Please write your choose");
                Console.WriteLine("Press 1 for paper");
                Console.WriteLine("Press 2 for rock");
                Console.WriteLine("Press 3 for lizard");
                Console.WriteLine("Press 4 for spock");
                Console.WriteLine("Press 5 for scissor");
                Console.WriteLine("Press 6 for quit");

                int yourNumber = EnterAnumber();
                string yourChoose = options[yourNumber + 1]; //makes yourchoose to the string which has this place
                int computerNumber = rnd.Next(2, 7);
                string computerChoice = options[computerNumber];

                Console.WriteLine(yourChoose);
                Console.WriteLine(computerChoice);

                if (yourChoose == computerChoice)
                    Console.WriteLine("You choose {0} and computer choose {1} so nobody won", yourChoose, computerChoice);
                else if (yourChoose == options[computerNumber + 1] || yourChoose == options[computerNumber - 2])
                {
                    Console.WriteLine("You choose {0} and computer choose {1} so computer won", yourChoose, computerChoice);
                    computerWins++;//adds 1 to computerWins
                }
                else if (yourChoose == options[computerNumber - 1] || yourChoose == options[computerNumber + 2])
                {
                    Console.WriteLine("You choose {0} and computer choose {1} so you won", yourChoose, computerChoice);
                    playerWins++;
                }
                else if (yourNumber == 6)
                    break;

                if (computerWins == soManyWinsNeedsTowin)
                {
                    Console.WriteLine("Computer won with {0} to {1}", computerWins, playerWins);
                    break;
                }
                else if (playerWins == soManyWinsNeedsTowin)
                {
                    Console.WriteLine("You won over the computer with {0} over {1}", playerWins, computerWins);
                    break;
                }


                Console.ReadLine();
                Console.Clear(); //clears the console blank
            }
        }

        static int EnterAnumber()
        {
            while (true)
            {

                try//tries to do this
                {
                    return int.Parse(Console.ReadLine());//gives back this value
                }
                catch//if try fail then it does this
                {
                    Console.WriteLine("You must only use numnbers");
                }
            }
        }
        static void CreateBoxes()
        {
            Console.Clear();
            Random rnd = new Random();
            while (true)
            {

                Box box1 = new Box(); //creates one box

                box1.x = rnd.Next(0, 107); ; // x value is 2
                box1.y = rnd.Next(0, 26);
                box1.width = rnd.Next(10, 80);
                box1.height = rnd.Next(10, 50);
                if (box1.height + box1.y < 30 && box1.x + box1.width < 120)
                {
                    box1.Draw();
                }
            }
        }
    }
}