using System;
using System.Collections.Generic;
using System.IO;
using System.Threading;

class Program
{
    struct Car
    {
        public int x;
        public int y;
        public string symbol;
        public ConsoleColor color;
    }

    static void Main()
    {
        //User can setup the size of window

        Console.BufferHeight = Console.WindowHeight = 50;
        Console.BufferWidth = Console.WindowWidth = 50;

        //Remove Scrolls
        Console.BufferWidth = Console.WindowWidth;
        Console.BufferHeight = Console.WindowHeight;


        //Hide cursor
        Console.CursorVisible = false;
        Console.WriteLine();



        //Logo

        PrintTelerikAcademyLogo();

        //The car
        string[] car = {   "[]|[]",
                               "  |  ",
                              "[]|[]" };

        int y = Console.WindowHeight - car.Length;
        int x = 10;

        Random cordinates = new Random();
        List<Car> cars = new List<Car>();
        int b = 0;

        while (true)
        {

            Console.Clear();

            if (Console.KeyAvailable)
            {
                ConsoleKeyInfo pressed = Console.ReadKey(true);
                while (Console.KeyAvailable) Console.ReadKey(true);
                if (pressed.Key == ConsoleKey.LeftArrow)
                {

                    if (x > 5) --x;


                }
                else if (pressed.Key == ConsoleKey.RightArrow)
                {
                    if (x < Console.WindowWidth-5- car.Length * 2) ++x;
                }
            }

            if (b % 7 == 0)
            {
                Car otherCar = new Car();
                otherCar.color = ConsoleColor.Blue;
                otherCar.x = cordinates.Next(5, 45);
                otherCar.y = 10;
                otherCar.symbol = "P";

                cars.Add(otherCar);
            }
            b++;
            //Thread.Sleep(50);

            List<Car> newList = new List<Car>();
            for (int i = 0; i < cars.Count; i++)
            {
                Car oldCar = cars[i];
                Car newCar = new Car();
                newCar.x = oldCar.x;
                newCar.y = oldCar.y + 1;
                newCar.symbol = oldCar.symbol;
                newCar.color = oldCar.color;
                if (newCar.y < 50)
                {
                    newList.Add(newCar);
                }

            }
            cars = newList;
            Console.Clear();

            PrintCar(car, y, x);
            //Thread.Sleep(100);


            foreach (Car carss in cars)
            {
                PrintCar(carss.x, carss.y, carss.symbol, carss.color);
            }

            Thread.Sleep(100);

            //Hide cursor
            Console.CursorVisible = false;


        }
    }

    static void PrintCar(int x, int y, string symbol, ConsoleColor color)
    {

        Console.SetCursorPosition(x, y);
        Console.WriteLine(symbol);
    }

    private static void PrintCar(string[] car, int y, int x)
    {
        for (int i = 0; i < car.Length; i++)
        {
            Console.SetCursorPosition(x, y + i);
            Console.Write(car[i]);
        }
    }

    static void PrintTelerikAcademyLogo()
    {
        StreamReader logoTelerikAcademy = new StreamReader(@"..\..\telerik-logo.txt");

        using (logoTelerikAcademy)
        {
            string line = logoTelerikAcademy.ReadLine();
            int lineNum = 0;

            while (line != null)
            {
                Console.SetCursorPosition(15, lineNum);
                Console.ForegroundColor = ConsoleColor.Blue;

                // Print the logo slowly
                Thread.Sleep(100);
                Console.WriteLine(line);

                line = logoTelerikAcademy.ReadLine();
                lineNum++;
            }

            Console.SetCursorPosition(30, lineNum);
            Console.WriteLine("Telerik Academy");

            Console.SetCursorPosition(22, lineNum + 1);
            Console.WriteLine("A Console Game by Team Sprite");

            Console.Clear();
        }

        // Pause the logo for 3secs
        Thread.Sleep(300);

        // Clean the console to begin the game
        Console.Clear();

    }


}