#ifndef GAME_HPP
#define GAME_HPP
#include <iostream>
#include <cstdlib>
#include <conio.h>
#include <windows.h>

class game;

class snake
{
    public:
        snake();
        ~snake();

        void addScore();
        void addTail();
        int returnScore();
        int returnTail();

    private:
        int score;
        int tail;

};

class game
{
    public:
        game();
        void Graphics();            //Funciton to render the game board
        void GameLogic();           //Function to compute how to operatore the snake
        void Apple();               //Function to generate a new apple randomly on the map
        void Clear();               //Function to clear the screen
        bool appleTouched();        //Function to determine if the apple was consumed by the snake
        bool GameOver();            //Function to determine wether the game has ended or not


    private:
        snake snake;
        int width;
        int height;
        int x, y, fruitx, fruity;
        bool gameStatus;
        bool appleExists;
        friend class snake;
};

/*-------------------------------------------------------------------Snake------------------------------------------------------------------------------------*/
snake::snake()
{
    score = 0;
    tail = 1;
}

snake::~snake()
{}

void snake::addScore()
{
    score += 10;
}

void snake::addTail()
{
    tail += 1;
}

int snake::returnScore()
{
    return score;
}
int snake::returnTail()
{
    return tail;
}
/*-------------------------------------------------------------------Game-------------------------------------------------------------------------------------*/

game::game()
{
    width = 20;
    height = 20;
    x = width / 2;
    y = height / 2;
    gameStatus = false;
    appleExists = true;
    fruitx = rand() % width;
    fruity = rand() % height;
}

void game::Graphics()
{
    system("cls");
    //Printing the board top
    for (int i = 0; i < width + 1; i++)
    {
        std::cout << "#";
    }
    std::cout << std::endl;
    for (int i = 0; i < height; i++)
    {
        for (int j = 0; j < width; j++)
        {
            //Print out sides of the board
            if (j == 0 || j == 19)
            {
                std::cout << "#";
            }

            //Print out Snake
            if (i == y && j == x)
            {
                std::cout << "O";
            }

            //Print out the fruit
            else if (i == fruitx && j == fruity)
            {
                std::cout << "F";
            }

            else
            {

                std::cout << " ";

            }

        };
        std::cout << std::endl;
    }
    //Print out board bottom
    for (int i = 0; i < width + 1; i++)
    {
        std::cout << "#";
    }
    std::cout << std::endl;

    //Print out score and tail length
    std::cout << "Score: " << snake.returnScore();
    std::cout << std::endl;
    std::cout << "Tail Length: " << snake.returnTail();
    std::cout << std::endl;
}

void game::GameLogic()
{
    if (_kbhit())
    {
        switch (_getch())
        {
        case 'w':
            y--;
            break;
        case 'd':
            x++;
            break;
        case 's':
            y++;
            break;
        case 'a':
            x--;
            break;
        }
    }
    if (x > width || x < 0 || y > height || y < 0)
    {
        gameStatus = true;
    }
    if (x == fruitx && y == fruity)
    {
        snake.addScore();
        snake.addTail();
    }

}

void game::Apple()
{
    if(appleExists == false)
    {
        fruitx = rand() % width;
        fruity = rand() % height;
        appleExists = true;
    }
    else if (appleTouched())
    {
        appleExists == false;
    }
}

bool game::appleTouched()
{
    if (x == fruitx && y == fruity)
    {
        snake.addScore();
        snake.addTail();
        return true;
    }
}

bool game::GameOver()
{
    return gameStatus;
}

#endif