/* CS 125 - Intro to Computer Science II
 * File Name: CS125_Project6.cpp
 * Project 6 - Due 4/15/2019
 * Instructor: Dr. Dan Grissom
 *
 * Name 1: Mason Welge
 * Name 2: FirstName LastName
 * Description: Insert your meaningful description for Project 6.
 */

using namespace std;
#include <iostream>
#include <vector>
#include <map>
#include <string>


//Prefixes: 'H' is hidden, 'R' is revealed
//Suffixes: 'E' is empty, 'S' is a part of a ship
enum cellType { HE, RE, HS, RS };

//Create a 2D array containing a grid of cells, using cellType
//Since we'll only have 7 rows, set the initial capacity to 7.
cellType grid[7][7];

//Create more readable references to the enum
cellType hiddenEmpty = HE;
cellType hiddenShip = HS;
cellType revealedEmpty = RE;
cellType revealedShip = RS;

int gameBoard[7][7];
string size [7][7];
string guessPlace[7][7];
map<string, int> guess;
int co1;
int co2;
string coordinates;
int ship;
int hp;

// Method headers
void printGrid();
void pChart();
void guessPlace();
void guessPlaceHint();

int main() {
	// Your program should always output your name and the project number.
	// DO NOT DELETE OR COMMENT OUT. Replace with relevant info.
	cout << "Mason Welge" << endl;
	cout << "Project 6" << endl << endl;

	// Your code should go below this line
	do {
		cout << "Please enter coordinates of ship length 2" << endl;
		cout << "Starting Row (0-6): " << endl;
		cin >> co1;
		cout << "Starting Column (0-6): " << endl;
		cin >> co2;
		cout << "From the starting point, would you like to move right or down? (d/r)" << endl;
		//coordinates = scan.next().toLowerCase();
		cin >> coordinates;
		// controls where it can go
		if ((co2 < 6) && (co1 >= 0 && co1 < 6) && (co2 >= 0 && co2 < 6) && (size[co1][co2]=="-") && (coordinates == ("r") || coordinates == ("R"))){
			size[co1][co2] = "S";
			size[co1][co2+1] = "S";
			ship = ship +1;

		} else if ((co1 < 6) && (co1 >= 0 && co1 < 6) && (co2 >= 0 && co2 < 6) && (size[co1][co2]=="-") && (coordinates == ("d") || coordinates == ("D"))){
			size[co1][co2] = "S";
			size[co1+1][co2] = "S";
			ship = ship +1;
		} else {
			cout << "There has already been a ship placed here, try again!" << endl;

		}
	} while(ship < 1);
	pChart();
	// placing second ship
	do {
		cout << "Please enter coordinates of ship length 2" << endl;
		cout << "Starting Row (0-6): " << endl;
		cin >> co1;
		cout << "Starting Column (0-6): " << endl;
		cin >> co2;
		cout << "From the starting point, would you like to move right or down? (d/r)" << endl;
		cin >> coordinates;
		// controls where it can go
		if ((co2 < 5) && (co1 >= 0 && co1 < 6) && (co2 >= 0 && co2 < 6) && (size[co1][co2]=="-" && size[co1][co2+1] == "-" && size[co1][co2 +2] == "-") && (coordinates == ("r") || coordinates == ("R"))){
			size[co1][co2] = "S";
			size[co1][co2+1] = "S";
			size[co1][co2+2] = "S";
			ship = ship +1;

		} else if ((co1 < 5) && (co1 >= 0 && co1 < 6) && (co2 >= 0 && co2 < 6) && (size[co1][co2]=="-" && size[co1+1][co2]=="-" && size[co1+2][co2]=="-") && (coordinates == ("d") || coordinates == ("D"))){
			size[co1][co2] = "S";
			size[co1+1][co2] = "S";
			size[co1+2][co2] = "S";
			ship = ship +1;
		} else {
			cout << "There has already been a ship placed here, try again!" << endl;

		}
	} while(ship < 2);
	pChart();
	// placing third ship
	do {
		cout << "Please enter coordinates of ship length 2" << endl;
		cout << "Starting Row (0-6): " << endl;
		cin >> co1;
		cout << "Starting Column (0-6): " << endl;
		cin >> co2;
		cout << "From the starting point, would you like to move right or down? (d/r)" << endl;
		cin >> coordinates;
		// controls where it can go
		if ((co2 < 4) && (co1 >= 0 && co1 < 6) && (co2 >= 0 && co2 < 6) && (size[co1][co2]=="-" && size[co1][co2+1] == "-" && size[co1][co2 +2] == "-" && size[co1][co2 +3] == "-") && (coordinates == ("r") || coordinates == ("R"))){
			size[co1][co2] = "S";
			size[co1][co2+1] = "S";
			size[co1][co2+2] = "S";
			size[co1][co2+3] = "S";
			ship = ship +1;

		} else if ((co1 < 4) && (co1 >= 0 && co1 < 6) && (co2 >= 0 && co2 < 6) && (size[co1][co2]=="-" && size[co1+1][co2]=="-" && size[co1+2][co2]=="-" && size[co1+3][co2]=="-") && (coordinates == ("d") || coordinates == ("D"))){
			size[co1][co2] = "S";
			size[co1+1][co2] = "S";
			size[co1+2][co2] = "S";
			size[co1+3][co2] = "S";
			ship = ship +1;
		} else {
			cout << "There has already been a ship placed here, try again!" << endl;

		}
	} while(ship < 3);
	pChart();
	// ship placement over, guessing begins
	cout << "Here's the final grid... press ENTER to begin playing!" << endl;
	for(int i=0; i<20;i++) {
		cout << "" << endl;
	}
	//void guessPlace();

	int numTurns = 0;

	string key;

	vector<int> nameRow;
	vector<int> nameColumn;
	// counts amount of guesses
	do {
		cout << "Guess #" << numTurns << "!" << endl;
		cout << "Guess a Row (0-6): " << endl;
		cin >> co1;
		cout << "Guess a Column (0-6): " << endl;
		cin >> co2;

		key = co1 + "" + co2;
		if (!guess.find(key)->first) {

			// replaces - with m or h depending on guess
			if (size[co1][co2]=="-") {
				guessPlace[co1][co2]="m";
				cout << "Miss!" << endl;

			} else {
				guess.insert({key, 1});
				guessPlace[co1][co2]="H";
				cout << "Hit!" << endl;
				hp++;
			}
			// counts # of turns taken
			numTurns++;
			guess.insert({key, 1});
		} else {
			cout << "r\\c = " << co1 + "\\" << co2 << "has already been guessed " << guess.find(key)-> second << " times" << endl;
			guess.insert({key, guess.find(key)-> second + 1});
		}
		nameRow.push_back(co1);
		nameColumn.push_back(co2);
		guessPlaceHint();
	} while (hp < 9);
	cout << "Guesses\t  |\t rows \t columns" << endl;
	cout << "---------------------------------" << endl;
	for (int i = 0; i < nameRow.size(); i++) {
		cout << (i+1) << "\t|" + nameRow.at(i) << "\t" << nameColumn.at(i) << endl;
	}

}



///////////////////////////////////////////////////////////////////////
// Prints the game grid
// NOTE: You can change the parameters and return type of this method
//       as you see fit.
void printGrid() {
	cout << "---------------  Welcome to Battleship!  ---------------"<< endl;
	cout << "r\\c" << endl;
	//
	for(int m =0; m<7;m++) {
		cout <<"\t"+m << endl;
	}
	cout <<""<< endl;

	for(int i=0;i<7;i++) {
		cout << i << endl;
		cout <<"\t"<< endl;
		for(int j=0;j<7;j++) {
			// making every value of size a -
			size[i][j]="-";
			cout << size[i][j]+"\t"<< endl;

		}
		cout << "" << endl;
	}

}
void pChart () {
	cout << "r\\c" << endl;
	for(int m =0; m<7;m++) {
		cout << "\t"+m << endl;
	}
	cout << "" << endl;

	for(int i=0;i<7;i++) {
		cout << i << endl;
		cout << "\t" << endl;
		for(int j=0;j<7;j++) {
			cout << size[i][j]+"\t" << endl;

		}
		cout << "" << endl;
	}
}
void guessPlace() {
	cout << "---------------  Welcome to Battleship!  ---------------" << endl;
	cout << "r\\c" << endl;

	for(int m =0; m<7;m++) {
		cout << "\t"+m << endl;
	}
	cout << "" << endl;

	for(int i=0;i<7;i++) {
		cout << i << endl;
		cout << "\t" << endl;
		for(int j=0;j<7;j++) {

			size[i][j]="-";
			cout << size[i][j]+"\t" << endl;
		}

		cout << "" << endl;
	}
}
void guessPlaceHint () {
	cout << "r\\c" << endl;
	//
	for(int m =0; m<7;m++) {
		cout << "\t"+m << endl;
	}
	cout << "" << endl;

	for(int i=0;i<7;i++) {
		cout << i << endl;
		cout << "\t" << endl;
		for(int j=0;j<7;j++) {
			cout << size[i][j]+"\t" << endl;

		}
		cout << "" << endl;
	}
}



/******************************************************************************
Insert 2 test cases, which represent program input/output for two different
combinations of inputs. You may literally copy and paste your console contents,
but your two test cases should be DIFFERENT from any test cases given in the
Project description itself.

------------
Test Case 1:
------------
(Your test case I/O here.)

------------
Test Case 2:
------------
(Your test case I/O here.)
 ******************************************************************************/