proj3_final

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

namespace ConsoleApplication67
{
    class Program
    {
        public static void generategame(ref int[,] grid, int ships)
        {
            Random a = new Random();

            for (int i = 0; i < ships; i++)
            {
                int row = a.Next(0, 9);
                int column = a.Next(0, 9);
                if (grid[row, column] == 0)
                {
                    grid[row, column] = 1;
                }
                else
                {
                    i--;
                }
            }
        }

        public static void showgame(ref int[,] grid)
        {

            int x;
            int y;
            String output = "Tips: \n [9] You have hit a target \n [5] You have missed the target\n\n    |";

            for (y = 0; y < grid.GetLength(1); y++)
            {
                output += String.Format("[{0}]", y);

            }
            output += "\n";


            for (y = 0; y < grid.GetLength(0); y++)
            {
                // coordinates
                output += String.Format(" [{0}] ", y);
                for (x = 0; x < grid.GetLength(1); x++)
                {
                    if (grid[x, y] == 1)
                        output += " 0 ";
                    else
                        output += String.Format(" {0} ", grid[x, y]);
                }
                output += "\n";
            }

            Console.WriteLine(output);

        }


        public static bool checklist(ref int[,] grid, int row, int column)
        {
            if (grid[row, column] == 1)

                return true;

            else
                return false;
        }



        static void Main(string[] args)
        {
            int[,] grid = new int[10, 10];
            int ships = 0;
            int x;
            int y;
            bool valid = false;
            bool invalid = false;
            int hitcount = 0;
            int misscount = 0;

            while (!valid)
            {
                Console.WriteLine("Please enter the amount of ships(3-10):");
                ships = Convert.ToInt32(Console.ReadLine());

                if (ships > 2 && ships < 11)
                {
                    valid = true;
                }
            }

            generategame(ref grid, ships);
            showgame(ref grid);
            valid = false;

            while (!valid)
            {
                Console.WriteLine("Please enter the coordinates on the grid");
                Console.WriteLine("Please Select [X] coordinates");
                x = int.Parse(Console.ReadLine());
                Console.WriteLine("Please Select [Y] coordinates");
                y = int.Parse(Console.ReadLine());

                if (y < 0 || x < 0 || y >= 10 || x >= 10)
                {
                    Console.WriteLine("InvalidInput - Please try again");
                    invalid = true;
                }
                else
                {
                    invalid = false;
                }

                if (checklist(ref grid, x, y))
                {
                    grid[x, y] = 9;
                    hitcount++;
                    Console.WriteLine("you have hit {0} ships", hitcount);

                    if (hitcount == ships)
                    {
                        Console.WriteLine("|- - - - - - - - - - - - - - - - - - - -| ");
                        Console.WriteLine("| - - - - you have won the game - - - - | ");
                        Console.WriteLine("|- - - - - - - - - - - - - - - - - - - -| ");
                        Console.WriteLine("|   With a total of {0} hits and {1} misses |", hitcount, misscount);
                        break;
                    }
                }
                else
                {
                    grid[x, y] = 5;
                    Console.WriteLine("you have missed {0} times", misscount + 1);
                    misscount++;
                }
                showgame(ref grid);
            }
            Console.ReadLine();
        }
    }
}