using System;

namespace Explorer
{
	class MainClass
	{
		public static void Main(string[] args)
		{
			//Color console
			Console.ForegroundColor = ConsoleColor.Black;
			Console.BackgroundColor = ConsoleColor.White;
			Console.Clear();

			//Generate & display the map
			Map map = new Map(20, 60);
			map.display();
			Map.Character hero = new Map.Character(10, 1, 0);

			//Random objective position
			int r_x = map.randomnumber_x();
			int r_y = map.randomnumber_y();

			//Play
			while (map.is_over(r_x,r_y) == 2)
			{
				Console.SetCursorPosition(r_x, r_y);
				Console.Write("O");
				map.update();

			}
			if (map.is_over(r_x, r_y) == 0)
			{
				Console.Clear();
				string win = "YOU WIN, YOU REACH THE OBJECTIVE";
				Console.SetCursorPosition((Console.WindowWidth - win.Length) / 2, (Console.WindowHeight - 1) / 2);
				Console.WriteLine(win);
				Console.Read();
			}
			if (map.is_over(r_x, r_y) == 1)
			{
				Console.Clear();
				string lose = "YOU DIE :(";
				Console.SetCursorPosition((Console.WindowWidth - lose.Length) / 2, (Console.WindowHeight - 1) / 2);
				Console.WriteLine(lose);
				Console.Read();
			}



		}
		public class Map
		{
			char[,] map;
			int width;
			int height;
			//int obj_x;
			//int obj_y;
			public Character hero = new Character(10,1,0);




			// random objective
			public int randomnumber_x()
			{
				Random rnum = new Random();
				int r_x = rnum.Next(1, height);
				return (r_x);
			}


			public int randomnumber_y()
			{
				Random rnum = new Random();
				int r_y = rnum.Next(1, width);
				return (r_y);
			}




			//build the map
			public Map(int width,int height)
			{
				this.width = width;
				this.height = height;
				hero.x = 1;
				hero.y = 0;

				map = new char[width, height];
				for (int i = 0; i < map.GetLength(0);i++)
				{
					for (int j = 0; j < map.GetLength(1);j++)
					{
						map[i, j] = ' ';
					}
				}
				int c = 0;
				Random rand = new Random();

				while (c<=15)
				{

					int xpos = rand.Next(0, width);
					int ypos = rand.Next(0, height);
					map[xpos, ypos] = 'X';
					c += 1;
				}

			}



			public void display()
			{

				for (int i = 0; i < map.GetLength(0);i++)
				{
					Console.Write("#");
					for (int j = 0; j < map.GetLength(1);j++)
					{

						Console.Write(map[i, j]);


					}
					Console.WriteLine("#");

				}



				Console.WriteLine("Life: " + hero.life + "HP");
				Console.WriteLine("RULES : \n O is the objective to reach. \n x are the ennemies \n + is your character");

				Console.SetCursorPosition(hero.x, hero.y);
				Console.Write("+");
			}


			public void update()
			{
				//wait for User Enter
				var UserEnter = Console.ReadKey();
				if (UserEnter.Key == ConsoleKey.UpArrow)
				{
					hero.move(0, -1);

				}
				if (UserEnter.Key == ConsoleKey.DownArrow)
				{
					hero.move(0, 1);


				}
				if (UserEnter.Key == ConsoleKey.LeftArrow)
				{
					hero.move(-1, 0);


				}
				if (UserEnter.Key == ConsoleKey.RightArrow)
				{
					hero.move(1, 0);


				}
				/*if (map[hero.x+1,hero.y]=='X' || map[hero.x,hero.y+1]=='X' || map[hero.x-1,hero.y]=='X'||map[hero.x,hero.y-1]=='X' && UserEnter.Key !=ConsoleKey.Enter)
				{
					hero.life -= 1;

				}*/
				/*if (map[hero.x+1,hero.y]=='X' || map[hero.x,hero.y+1]=='X' || map[hero.x-1,hero.y]=='X'||map[hero.x,hero.y-1]=='X' && UserEnter.Key ==ConsoleKey.Enter)
				{
					map[hero.x + 1, hero.y] = map[hero.x, hero.y + 1] = map[hero.x - 1, hero.y] = map[hero.x,hero.y-1]=' ';
				}*/



				//Draw map
				Console.Clear();
				for (int i = 0; i < map.GetLength(0);i++)
				{
					Console.Write("#");
					for (int j = 0; j < map.GetLength(1);j++)
					{

							Console.Write(map[i, j]);

					}
					Console.WriteLine("#");

				}


				// Stay in the grid
				if (hero.x <= 0)
				{
					hero.x += 1;
				}
				if (hero.x > height)
				{
					hero.x -= 1;
				}
				if (hero.y < 0)
				{
					hero.y += 1;
				}
				if (hero.y >= width)
				{
					hero.y -= 1;
				}

				//write info
				Console.WriteLine("Life: " + hero.life +"HP");
				Console.WriteLine("RULES : \n O is the objective to reach. \n x are the ennemies \n + is your character");
				Console.WriteLine("x= " + hero.x + "y= " + hero.y);

				//move the character
				Console.SetCursorPosition(hero.x , hero.y);
				Console.Write("+");


			}


			public int is_over(int r_x, int r_y)
			{
				if (hero.x == r_x && hero.y == r_y )
				{
					return (0);
				}
				if (hero.life == 0)
				{
					return (1);
				}
				else
				{
					return (2);
				}

			}



			public class Character
			{
				public int life { get; set; }
				public int x{ get; set;}
				public int y { get; set;}



				public Character(int life, int x, int y)
				{
					this.x = x;
					this.y = y;
					this.life = life;
				}

				public void move(int dx, int dy)
				{
					x += dx;
					y += dy;

				}


			}


			public class Ennemy : Character
			{
				public Ennemy(int life, int x, int y): base(life,x,y)
				{

				}

			}


		}
	}
}