#include "game.h"

#include "general.h"
#include "tile.h" 
#include "map.h"

#include "GFXframework.h"
#include <SFML/Window/Mouse.hpp>

#include <iostream>

Game::Game()
{
	Init();
}

Game::~Game()
{
	delete m_LevelMap;
	GFXframework::ResetInstance();
}

void Game::Init()
{
	m_Finished = false;

	m_numOfBombs = SMALL_MAP_BOMBS;
	m_SizeX = SMALL_MAP_SIZE_X;
	m_SizeY = SMALL_MAP_SIZE_Y;
	
	int window_width = m_SizeX * TILE_SIZE_X;
	int window_height = m_SizeY * TILE_SIZE_Y + TILE_SIZE_Y/2;
	
	GFXframework::GetInstance()->InitWindow(window_width, window_height, (char *)"Don't Explode!");
	GFXframework::GetInstance()->LoadSprites();
	
	// bottom bar, part of GUI
	m_GUITexture.loadFromFile("bar.png");
	m_GUISprite =sf::Sprite(m_GUITexture); 

	// create basic map
	m_LevelMap = new Map(m_SizeX, m_SizeY, m_numOfBombs);

	m_FirstClick = true;
}

void Game::Shutdown(int returnCode)
{
	(void)returnCode;
}

void Game::MainLoop()
{
	while (GFXframework::GetInstance()->GetWindow()->isOpen())
	{
		sf::Event event;
		// main events processing
		while (GFXframework::GetInstance()->GetWindow()->pollEvent(event))
		{
			if (event.type == sf::Event::Closed)
				GFXframework::GetInstance()->GetWindow()->close();
		}
		
		if (sf::Keyboard::isKeyPressed(sf::Keyboard::R))
		{    
			m_FirstClick = true;
			m_LevelMap->Generate();
			m_Finished = false;
		}
		if (sf::Keyboard::isKeyPressed(sf::Keyboard::Escape ))
		{    
			GFXframework::GetInstance()->GetWindow()->close();
		}

		// if the game isn't finished yet, allow all mechanics to work
		if ( !m_Finished)
		{
			if (sf::Mouse::isButtonPressed(sf::Mouse::Left))
			{
				if ( m_LeftMouseDown != true)
				{
					m_LeftMouseDown = true;
					sf::Vector2i localPosition = sf::Mouse::getPosition(*(GFXframework::GetInstance()->GetWindow()));
					
					
					if (m_FirstClick)
					{
						if (m_LevelMap->GenerateFromClick(localPosition.x, localPosition.y))
						{
							m_FirstClick = false;
							HandleLeftMouse(localPosition);
						}
					}
					else
					{
						HandleLeftMouse(localPosition);
					}
				}
			}
			else
			{
				// prevent repeating signals of mousedown (SFML only has MouseDown, so we have to work around it)
				m_LeftMouseDown = false;
			}

			if (sf::Mouse::isButtonPressed(sf::Mouse::Right) && !m_FirstClick)
			{
				if ( m_RightMouseDown != true)
				{
					m_RightMouseDown = true;
					sf::Vector2i localPosition = sf::Mouse::getPosition(*(GFXframework::GetInstance()->GetWindow()));
					HandleRightMouse(localPosition);
				}
			}
			else
			{
				// prevent repeating signals of mousedown (SFML only has MouseDown, so we have to work around it)
				m_RightMouseDown = false;
			}

			if (m_LevelMap->IsMapDone())
			{
				m_Finished = true;
				if (m_LevelMap->IsMapWon())
				{
					m_LevelMap->WinMap();
				}
				else
				{
					m_LevelMap->LoseMap();
				}
			}
		}
		GFXframework::GetInstance()->GetWindow()->clear();
		Render();
		GFXframework::GetInstance()->GetWindow()->display();
	}

}

bool Game::HandleLeftMouse(sf::Vector2i localPosition)
{
	m_LevelMap->ClickAt(localPosition.x, localPosition.y);
	return true;
}

bool Game::HandleRightMouse(sf::Vector2i localPosition)
{
	m_LevelMap->RightClickAt(localPosition.x, localPosition.y);
	return true;
}

void Game::HandleGame()
{
}

void Game::DrawGui()
{
	// draw bottom bar, for MORE BLING!
	for (int x = 0; x < m_SizeX; x++)
	{
		m_GUISprite.setPosition((float)(x * TILE_SIZE_X), (float)(m_SizeY * TILE_SIZE_Y));
		GFXframework::GetInstance()->GetWindow()->draw(m_GUISprite);
	}
}

void Game::Render()
{
	DrawGui();
	m_LevelMap->Render();

}