#include <iostream>
#include "outputManager.h"
#include "inputManager.h"
#include "loopTimer.h"
//#include "cGameManager.h";
#include <deque>
using std::deque;
using namespace std;
	int newxsnake = 20;
	int newysnake = 20;
	deque<int> xsnake;
	deque<int> ysnake;
	
	COORD snakeDirection;

	CInputManager InputManager;
	COutputManager OutputManager;
	CLoopTimer LoopTimer(5);
	enum gameStatus{ down, up };
	unsigned long score = 0;

		void opp(){
			newxsnake = xsnake[0];
			newysnake = ysnake[0]- 1;
		}

		void ned(){
			newxsnake = xsnake[0];
			newysnake = ysnake[0]+1;
		}

		void left(){
			newxsnake = xsnake[0]-1;
			newysnake = ysnake[0];
		}
		void right(){
			newxsnake = xsnake[0]+1;
			newysnake = ysnake[0];
		}	


	void scorekeeping(){	
		OutputManager.SetColor(TEXT_WHITE, BACK_WHITE);
		OutputManager.PrintAt("          tomlinje                                                              " ,0, 40);
		OutputManager.SetColor(TEXT_WHITE, BACK_BLACK);
		OutputManager.PrintAt("Use arrow keys to control snake.", 5, 42);
		OutputManager.PrintAt("Score:", 65,42);
		OutputManager.PrintAt(score, 72, 42);
		OutputManager.PrintAt("[q] to quit to Main Menu", 5, 43);
		
		
	}

void start(){
	
	OutputManager.Initialize("Snake Window", 80, 50, TEXT_RED_BRIGHT, BACK_BLACK);

	OutputManager.PrintAt("Welcome to CCSnake. What do you want to do?", 10, 10);
	OutputManager.PrintAt("[P]lay Game", 22, 12);
	OutputManager.PrintAt ("[Q]uit Game", 22, 14);
	
	int eGameStatus = ' ';
	InputManager.GetNextKeyWait(eGameStatus);
	if(eGameStatus == 'p'){
		LoopTimer.Start();
		OutputManager.ClearScreen();
		bool run = true;

			for(int i = 0; i < 4; i++)
			{	
				xsnake.push_front(newxsnake);
				ysnake.push_front(newysnake);
				OutputManager.PrintAt('0', xsnake.front(), ysnake.front());
				newxsnake++;
			}

		OutputManager.PrintAt('@', xsnake.front(), ysnake.front()); 
		
		//TORE -- det er noe galt her en plass, hvis jeg setter løkken inn i while(run) kjører den uten stopp
		//men den dobler seg hele tiden.
		//slik som koden står nå, starter den med 4 element, før den blir til 1, den kjører heller ikke selv...
		
		int keyPressed = ' '; 
		
		snakeDirection.X = 1;
		snakeDirection.Y = 0;
		
		while(run){
			//scorekeeping();
			LoopTimer.SleepUntilUpdate();
			//OutputManager.PrintAt('0', xsnake.front(), ysnake.front());
			
			if(InputManager.AnyKeyPressed())
			{
				InputManager.GetNextKey(keyPressed);
				if(keyPressed == -11){
					opp();
					snakeDirection.X = 0;
					snakeDirection.Y = -1;
				}else if(keyPressed == -12){
					ned();
					snakeDirection.X = 0;
					snakeDirection.Y = 1;
				}else if(keyPressed == -13){
					left();
					snakeDirection.X = -1;
					snakeDirection.Y = 0;
				}else if(keyPressed == -14){
					right();
					snakeDirection.X = 1;
					snakeDirection.Y = 0;
				}
				
				
			} // end anykeypressed
			
			newxsnake = xsnake[0] + snakeDirection.X;
			newysnake = ysnake[0] + snakeDirection.Y;
			
			OutputManager.PrintAt(' ', xsnake.back(), ysnake.back());
			xsnake.pop_back();
			ysnake.pop_back();

			OutputManager.PrintAt('O', xsnake.front(), ysnake.front());
			xsnake.push_front(newxsnake);
			ysnake.push_front(newysnake);
			OutputManager.PrintAt('@', xsnake.front(), ysnake.front()); 
			
		} // end while
			
	}else if(eGameStatus == 'q'){
		OutputManager.ClearScreen();
		
	}  // end else if
}  // end start


int main(){
	start();
	//system("pause");
	return 0;
}