#include <iostream>
#include <time.h>
#include <stdlib.h>
#include <sstream>
#include <vector>

using namespace std;

#define UP_KEY 'w'
#define DOWN_KEY 's'
#define LEFT_KEY 'a'
#define RIGHT_KEY 'd'

//Ascii art title and Menu to select gameplay
void menu()
{
    cout << R"(
_______  _      _______  _      _______ _______  _______  _______  _______
(  ____ \( (    /|(  ___  )| \  /\(  ____ \  (  ____ \(  ___  )(    )(  ____ \
| ( \/|  \  ( || (   ) ||  \  / /| (    \/  | ( \/| (   ) || () () || ( \/
| (_____ |   \ | || (___) ||  (_/ / | (__   | |     | (___) || || || || (__
(_____  )| (\ \) ||  ___  ||   _ (  |  __)  | | ____ |  ___  || |(_)| ||  __)
    ) || | \   || (   ) ||  ( \ \ | (       | | \_  )| (   ) || |   | || (
/\____) || )  \  || )   ( ||  /  \ \| (____/\  | (___) || )   ( || )   ( || (____/\
\_______)|/ )_)|/   \||_/   \/(_______/  (_______)|/    \||/    \|(_______/
)" << std::endl;
    cout << "\n-------------------------------------------------\n";
    cout << "Select your gamemode:\n\n";
    cout << "\t-Enter 1 play the Snake Game\n";
    cout << "\t-Enter 2 to read the rules\n";
    cout << "\t-Enter 3 to exit the game\n";
    cout << "\n-------------------------------------------------\n";
    cout << "\tYour Choice: ";
}

void clearScreen(int newline)
{
    for (int y = 0; y < newline; y++)
    {
        cout << "\n" << endl;
    }
}

/*//snake mouvement
int playerMovement(char WASD, int v, int h)
{
    char ok = 'y';
    //allows the player to move
    do
    {
        switch (WASD)
        {
        case UP_KEY:
            v = v - 1;
            ok = 'y';
            return v;
            break;
        case DOWN_KEY:
            v = v + 1;
            ok = 'y';
            return v;
            break;
        case LEFT_KEY:
            h = h - 1;
            ok = 'y';
            return h;
            break;
        case RIGHT_KEY:
            h = h + 1;
            ok = 'y';
            return h;
            break;
        default:
            cout << "\nPlease enter a vaild option: ";
            cin >> WASD;
            cout << '\n\n';
            ok = 'n';
            break;
        }
    } while (ok == 'n');
}
*/


//Contains vectors, the mouvements,
class Snake //sneaky boy
{
public:

    Snake()
    {
        snakePos.push_back(make_pair(0, 0));

    }

    vector <pair<int, int >> getPos() const
    {
        return snakePos;
    }

    Snake(int x, int y)
    {
        snakePos.push_back(make_pair(x, y));
    }

private:
    vector <pair<int, int>> snakePos;
};

/*//Contains food for Snake
class Mouse
{
public:

    Mouse()
    {
        mousePos.push_back();

    }

    vector <int> getPos() const
    {
        return mousePos;
    }

    Mouse()
    {
        mousePos.push_back();
    }

private:
    vector <int> mousePos;
};
*/

//Contains the empty grid, can make several grids
class Board
{
public:

    //Default constructor
    Board()
    {
        width = 50;
        height = 50;
        int randX = (rand() % (width - 1 - 1 + 1)) + 1;
        int randY = (rand() % (height - 1 - 1 + 1)) + 1;
        snake = Snake(randX, randY);
    }

    //Overload constructor, change size of board if I have time
    Board(int defaultWidth, int defaultHeight)
    {
        height = defaultHeight;
        width = defaultWidth;
        int randX = (rand() % (width - 1 - 1 + 1)) + 1;
        int randY = (rand() % (height - 1 - 1 + 1)) + 1;
        snake = Snake(randX, randY);
    }

    //Height Getter and Setter
    void hSetter(int newHeight) { height = newHeight; }
    int hGetter() { return height; }

    //Function to draw everything
    void draw()
    {
        clearScreen(height);
        //Creates Rectangle and Generates Snake
        for (int i = 0; i < width; i++) //Loop
        {
            for (int j = 0; j < height; j++) //Iterates
            {
                for (int x = 0; x < snake.getPos().size(); ++x)
                {
                    if (snake.getPos()[x].first == i && snake.getPos()[x].second == j)
                    {
                        cout << "o"; //draws the Head of Snake
                    }
                    //Draw walls if it detects, if not do nothing
                    else if (i == 0 || i == width - 1 ||
                        j == 0 || j == height - 1)
                    {
                        cout << "|"; //Adds wall if variable == to width or height
                    }
                    else
                        cout << " ";
                }
            }
            cout << endl;
        }
    }

//Always stay the same
private:
    int width;
    int height;
    Snake snake;
};

//Everything is put together here
int main()
{
    //calls menu
    menu();
    //Current time in mm
    srand(time(NULL));
    //Prints board
    Board mainBoard;
    mainBoard.draw();
    getchar();
    return 0;
}