/*
Name:Wong Pui Shan
Sdutent ID:52611804
program: AScISD
Name: HAR Chiu Kwong Samson
Sdutent ID:52629360
program: AScISD
Name: LAM Cheuk Man 
Sdutent ID:52621140
program: AScISD
Name:KO Jeffrey KO
Sdutent ID:525 695 30
program: AScISD

*/
#include <iostream>
#include <fstream>
#include <string>
#include "Utilities.h"
#include "Game.h"
#include "Ghost.h"
#include "Pacman.h"
#include "Maze.h"
#include <climits>
#include <ctime>
using namespace std;
Ghost::Ghost(){
	ax = 1;
	ay = 1;
	direction = 5;
	d = 0;
	g = "A";
	OrgX = 0;
	OrgY = 0;
	limit = 0;
	speed = 0;
	reduceLimit = 100;
}

Ghost::Ghost(int x, int y, string GhostG)
{
	ax = x;
	ay = y;
	direction = 5;
	d = 0;
	g = GhostG;
	OrgX = x;
	OrgY = y;
	limit = 0;
	reduceLimit = 100;
}
void Ghost::increaseSpeed(int &dot){
	if(limit >60){
		if(dot == 20)
			reduceLimit = 80;
		if(dot == 40)
			reduceLimit = 90;
		if(dot == 60)
			reduceLimit = 70;
	}
}
void Ghost::ChangePosition()
{
	if(g == "A")
		g = "a";
	else if(g == "B")
		g = "b";
	else if(g == "C")
		g = "c";
	else if(g == "D")
		g = "d";

}

void Ghost::showGhost(Utilities a)
{
	//Set up the color of the ghosts.
	a.gotoXY(ax, ay);
	if (g == "A")
		a.changeColour(FOREGROUND_RED);
		if (g == "B")
		a.changeColour(0x000d);
			if (g == "C")
		a.changeColour(FOREGROUND_GREEN);
				if (g == "D")
		a.changeColour(FOREGROUND_BLUE | FOREGROUND_INTENSITY);
	if (g == "a" || g == "b" || g == "c" || g == "d")
		a.changeColour(BACKGROUND_WHITE | FOREGROUND_BLUE | FOREGROUND_INTENSITY);
	cout << g;
}

void Ghost::Move(Maze &m, Utilities a)
{
	//Set up the speed of the ghost
	if (limit > 0)
	{
		--limit;
		return;
	}
	limit = reduceLimit;
	//Avoid the ghost to eat the dot, power dot and the fruit on the map
	a.gotoXY(ax,ay);
	a.changeColour(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
		if (m.getMazeArray(ax, ay)=='X')
			{
				m.setMazeArray(ax, ay,'X');
				cout << "X";
			}
		else if (m.getMazeArray(ax, ay)=='.')
			{
				m.setMazeArray(ax, ay,'.');
				cout << ".";
			}
		else if (m.getMazeArray(ax, ay)==' ')
			{
				m.setMazeArray(ax, ay,' ');
				cout << " ";
			} 
		a.gotoXY(ax,ay);
		a.changeColour(FOREGROUND_GREEN | FOREGROUND_BLUE);
		if (m.getMazeArray(ax, ay)=='!')
			{
				m.setMazeArray(ax, ay,'!');
				cout << "!";
			} 
				else if (m.getMazeArray(ax, ay)=='*')
			{
				m.setMazeArray(ax, ay,'*');
				cout << "*";
			} 
				else if (m.getMazeArray(ax, ay)=='#')
			{
				m.setMazeArray(ax, ay,'#');
				cout << "#";
			} 
			
		
		do{
			// loop for granerate ghost's direction
			do{
				d = rand() % 4 + 1;
				if (m.getMazeArray(ax, ay-1)!='-' && m.getMazeArray(ax, ay-1)!='|' && d == 1)
					break;
				else if (m.getMazeArray(ax, ay+1)!='-' && m.getMazeArray(ax, ay+1)!='|'&& d == 4)
					break;
				else if (m.getMazeArray(ax-1, ay)!='-' && m.getMazeArray(ax-1, ay)!='|'&& d == 2)
					break;
				else if (m.getMazeArray(ax+1, ay)!='-' && m.getMazeArray(ax+1, ay)!='|'&& d == 3)
					break;
			}while (true);
		}while (d == 5 - direction ||
				(d == 4 && (ax==8 && ay==5))||
				(d == 4 && (ax==9 && ay==5))||
				(d == 4 && (ax==10 && ay==5))||		//It is used for avoid go oppostie direction and go to ghost home 
				(d == 4 && (ax==11 && ay==5))||
				(d == 4 && (ax==12 && ay==5)));

		//change the diection 

		switch(d){
		case 1:
			ay--;
			direction = 1;
			break;
			
		case 4: // Down arrow
			ay++;
			direction = 4;
			break;

		case 2: // Left arrow
			ax--;
			direction = 2;
			break;

		case 3: // Right arrow
			ax++;
			direction = 3;
			break;
		}
		a.gotoXY(ax,ay);
		cout << g;
			
	
}
//if the pacman eat the power dot, the status od the ghost change.
void Ghost::slowMove(Maze &m, Utilities a)
{
	//reduce the speed of the ghosts 
	if (speed > 0)
	{
		--speed;
		return;
	}
	speed = 200;

	//set up the color of the ghosts
	a.gotoXY(ax,ay);
	a.changeColour(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
		if (m.getMazeArray(ax, ay)=='X')
			{
				m.setMazeArray(ax, ay,'X');
				cout << "X";
			}
		else if (m.getMazeArray(ax, ay)=='.')
			{
				m.setMazeArray(ax, ay,'.');
				cout << ".";
			}
		else if (m.getMazeArray(ax, ay)==' ')
			{
				m.setMazeArray(ax, ay,' ');
				cout << " ";
			} 
		
				else if (m.getMazeArray(ax, ay)=='!')
			{
				m.setMazeArray(ax, ay,'!');
				cout << "!";
			} 
				else if (m.getMazeArray(ax, ay)=='*')
			{
				m.setMazeArray(ax, ay,'*');
				cout << "*";
			} 
				else if (m.getMazeArray(ax, ay)=='#')
			{
				m.setMazeArray(ax, ay,'#');
				cout << "#";
			} 
			
		
		do{
			// loop for granerate ghost's direction
			do{
				d = rand() % 4 + 1;
				if (m.getMazeArray(ax, ay-1)!='-' && m.getMazeArray(ax, ay-1)!='|' && d == 1)
					break;
				else if (m.getMazeArray(ax, ay+1)!='-' && m.getMazeArray(ax, ay+1)!='|'&& d == 4)
					break;
				else if (m.getMazeArray(ax-1, ay)!='-' && m.getMazeArray(ax-1, ay)!='|'&& d == 2)
					break;
				else if (m.getMazeArray(ax+1, ay)!='-' && m.getMazeArray(ax+1, ay)!='|'&& d == 3)
					break;
			}while (true);
		}while (d == 5 - direction ||
				(d == 4 && (ax==8 && ay==5))||
				(d == 4 && (ax==9 && ay==5))||
				(d == 4 && (ax==10 && ay==5))||		//It is used for avoid go oppostie direction and go to ghost home 
				(d == 4 && (ax==11 && ay==5))||
				(d == 4 && (ax==12 && ay==5)));

		//change the diection 

		switch(d){
		case 1:
			ay--;
			direction = 1;
			break;
			
		case 4: // Down arrow
			ay++;
			direction = 4;
			break;

		case 2: // Left arrow
			ax--;
			direction = 2;
			break;

		case 3: // Right arrow
			ax++;
			direction = 3;
			break;
		}
		a.gotoXY(ax,ay);
		cout << g;
			
	
}


void Ghost::EatPacman(Pacman &p, Game &g, Utilities &a,Utilities &u,Utilities &j, Utilities &k, Utilities &l, Ghost &o, Ghost &m, Ghost &n)
{
	//if ghost met pacman, pacman life reduce and the location of ghosts and Pacman reset 
	if (ax == p.getPacmanX() && ay == p.getPacmanY())
	{
		g.life--;
		Ghost::ResetGhost(a);
		n.ResetGhost(j);
		m.ResetGhost(k);
		o.ResetGhost(l);
		p.Die(u);
	}
}

void Ghost::ResetGhost(Utilities &a){
	a.gotoXY(ax, ay);
	a.changeColour(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
	cout << " ";
	Ghost::ResetLocation();
	a.gotoXY(ax, ay);
	a.changeColour(FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
	cout << g;
}
void Ghost::ResetLocation(){
	//save the original location of ghost
	ax = OrgX; 
	ay = OrgY;
}
void Ghost::RechangePosition(){
	//change the status of ghost to nomal  
	if(g == "a")
		g = "A";
	else if(g == "b")
		g = "B";
	else if(g == "c")
		g = "C";
	else if(g == "d")
		g = "D";
}
int Ghost::GetGhostX(){
	return ax;
}
int Ghost::GetGhostY(){
	return ay;
}
string Ghost::GetGhostMember(){
	return g;
}
Ghost::~Ghost(){

}