#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <string.h>
#include <time.h>
#define SIZE 10
#define FILENAME "C:/Documents and Settings/3413/Desktop/HighScores.txt"

void printBoard(int arr[SIZE][SIZE], int hidden);               //Prints the board. If 'hidden' = 1, print hidden board
void randomizeShips(int arr[SIZE][SIZE],int num_ships);         //Sets 3 ships into the board, with at least one vertical
int checkHit(int arr[SIZE][SIZE], int row, int col);            //Returns a 1 if hit, a 0 if miss
int checkWin(int arr[SIZE][SIZE]);                              //Returns a 1 if all battleships have been sunk, otherwise 0
void InitializeBoard(int arr[SIZE][SIZE]);                      //Sets all board locations to a value (i.e. “0” or “~”)
void takeTurn(int *row, int *col);
//void printWin();
void highScores();
// movesTaken();
void shipSunk();


//int hitAmount[3] = {0, 0, 0};

int main(void)
{
	//Variables: Hidden Array, Users array
	int board[SIZE][SIZE];
	int row, col;
	int hits = 0;
	int misses = 0;
	//Display Instructions
	printf("Welcome to Battleship\n\n\n\n\n\n\n");

	system("PAUSE");
	system("CLS");
	printf("|--------------|\n");
	printf("| Instructions:|\n");
	printf("|--------------|\n");
	printf("|---------------------------------------------|\n");
	printf("| 1. You are playing against the computer     |\n");
	printf("| 2. To win, you must sink all 3 of your      |\n");
	printf("|    opponents ships                          |\n");
	printf("| 3. To choose your space, enter the number of|\n");
	printf("|    the row, and then the number of the      |\n");
	printf("|    column									  |\n");
	printf("|    ie: 63                                   |\n");
	printf("|---------------------------------------------|\n\n\n\n\n\n\n");

	system("PAUSE");
	system("CLS");

																	//Initialize the board
	InitializeBoard(board);
	printBoard(board, 0);
																	//Input ships on board
	randomizeShips(board, 3);
																	//Loop the following until the user has won:
																	//Display board to the user
	printBoard(board, 1);
																	//If in 'Debug Mode,' print out hidden board
																	//Ask the user which location they want to select

	do
	{
	takeTurn(&row, &col);
	checkHit(board, row, col);
	}while(hits < 9);
																	//Update board
	printBoard(board, 0);
																	//Tell user if hit or miss
																	//If its a hit, check to see if they won

																	//checkWin(board);
																	//Tell user if they won
	//printWin();
																	//Give user their score (How many moves it took them to win)
	//movesTaken();

}
//Board is set up as follows:
/*
	0 = no hit or miss or ship
	1 = ship1(hasnt been hit)
	2 = ship2 (hasnt been hit)
	3 = ship3 (hasnt been hit)
	4 = hit
	5 = miss
*/

void InitializeBoard(int arr[SIZE][SIZE])
{
	int row, col;
	for(row = 0; row < SIZE; row++)
		for(col = 0; col < SIZE; col++)
			arr[row][col] = 0;
		printf("\n");
}
void printBoard(int arr[SIZE][SIZE], int hidden)
{

	int row, col;
	for(row = 0; row < SIZE; row++){
		for(col = 0; col < SIZE; col++){

			if((hidden == 0) && (arr[row][col] == 0))            //No hits/miss/ship
				printf("%2c", '~');
			else if((hidden == 0) && (arr[row][col] == 1))       //ship (dont show to user)
				printf("%2c", '~');
			else if((hidden == 0) && (arr[row][col] == 2))
				printf("%2c", '~');
			else if((hidden == 0) && (arr[row][col] == 3))
				printf("%2c", '~');
			else if((hidden == 0) && (arr[row][col] == 4))
				printf("%2c", 'H');
			else if((hidden == 0) && (arr[row][col] == 5))
				printf("%2c", 'M');
			else if((hidden == 1) && (arr[row][col] == 0))
				printf("%2c", '~');
			else if((hidden == 1) && (arr[row][col] == 1))
				printf("%2c", '1');
			else if((hidden == 1) && (arr[row][col] == 2))
				printf("%2c", '2');
			else if((hidden == 1) && (arr[row][col] == 3))
				printf("%2c", '3');
			else if((hidden == 1) && (arr[row][col] == 4))
				printf("%2c", 'H');
			else if((hidden == 1) && (arr[row][col] == 5))
				printf("%2c", 'M');
		}
		printf("\n");
	}
}

void randomizeShips(int arr[SIZE][SIZE],int num_ships)
{
	int placed_ships = 0;
	int loop = 0;
	int Horizontal = 0;
	int Vertical = 0;
	int i = 0;
	int row = 0;
	int col = 0;
	//Loop the place 3 ships. Loop ends when all 3 ships are placed.
	//OR the loop has been run 100 times.
	srand(time(0));

	while((placed_ships < num_ships)&&(loop < 100))
	{

				Horizontal = rand()%2;

				if(Horizontal == 1)
				{
					row = rand()%SIZE;
					col = rand()%(SIZE-3);

					if((arr[row][col] == 0) && (arr[row][col+1] == 0) && (arr[row][col+2] == 0))
					{
						arr[row][col] = placed_ships+1;
						arr[row][col+1] = placed_ships+1;
						arr[row][col+2] = placed_ships+1;
						placed_ships++;
					}
				}
				else
				{
					col = rand()%SIZE;
					row = rand()%(SIZE-3);
					if(arr[row][col] == 0 && arr[row+1][col] == 0 && arr[row+2][col] == 0)
					{
						arr[row][col] = placed_ships+1;
						arr[row+1][col] = placed_ships+1;
						arr[row+2][col] = placed_ships+1;
						placed_ships++;
					}
				}


	}
	system("CLS");
	printBoard(arr, 0);


}
/*
void promptUser(int *row, int *col)
{
	//Ask the user to enter a value (Explain it needs to be A1, B2, C3 etc)
	//Scan in the value into a character and an int.
	//Dummy proof if desired/needed (Make sure letter is between 'A' ad 'J' and number between '1' and '10'.
	//Convert letter to row number (Use 'If' statments or ASCII or case)
	//Convert the number to a column number( subtract 1 from what they give you).
}
*/
void takeTurn(int *row, int *col)
{
	printf("Enter a coordinate\n");
	printf("Row \n");
	scanf("%d", row);
	printf("Column \n");
	scanf("%d", col);
}
int checkHit(int arr[SIZE][SIZE], int row, int col)         //Returns a 1 if hit, a 0 if miss
{

	int misses = 0;
	int hits = 0;

		if(arr[row][col] == '~')
		{
			printf("Miss\n");
			arr[row][col] = '0';
			misses++;
		}
		else
		{
			printf("Hit!!\n");
			arr[row][col] = '1';
			hits++;
		}
}
//void shipSunk()
//{
//	int hitAmount[3] = {0, 0, 0};
//	if('1' == 3)
//	{
//		printf("You sunnk my Destroyer!\n");
//	}
//	else if('2' == 3)
//	{
//		printf("You sunk my Cruiser!\n");
//	}
//	else if('3' == 3)
//	{
//		printf("You sunk my  Submarine!\n");
//	}

//}
/*
int checkWin(int arr[SIZE][SIZE])							//Returns a 1 if all battleships have been sunk, otherwise 0
{
	//Search through the entire array (Use pointers or nested "for" loops).

	if(hits == 9)
	{
		printWin();
	}
	//For each value, you check if it is 1, 2, or 3.
	//If you find a 1, 2, or 3, you return 0(Zero), which means they havent won.
	//If you dont find a 1, 2, or 3, you return a 1, which means they have won.


}


	char myChar[81];
	gets(myChar)
	row = myChar[0]
	if(myChar[2] != "\0")
		col = 9;
	else
		col = myChar;


}



// printWin()
//{
//		printf("Congratulations! You won!!\n");
//		system("PAUSE");
//}



*/
void highScores()
{
	char name[3];
	int score;

FILE * sensor = fopen (FILENAME, "w");
	if (sensor == NULL)
	{
		printf("Error opening file.\n");
	}
	else
	{
		scanf("%s", name);
		fprintf(sensor, "%3.3s %d\n", name, score);
		fclose(sensor);
	}
}