// Snooping through the files are we?

// Compile With: g++ main.cpp loadImage.h playSound.h -lSDL2 -lSDL2_image -lSDL2_mixer -Wall -o "Butter Game"

#include <iostream>
#include <SDL2/SDL.h>
#include <SDL2/SDL_image.h>

#include "loadImage.h"
#include "playSound.h"

#define CENTER 0

SDL_Window* window;
SDL_Renderer* renderer;

bool running;

bool buttons = false;

SDL_Point mousePosition;

SDL_Rect button1;
SDL_Rect button2;
SDL_Rect button3;

bool loadedScenes[2] = {false, false};

bool mouseInsideButton1 = false;
bool mouseInsideButton2 = false;
bool mouseInsideButton3 = false;

bool playGrown = false;
bool playShrunk = true;

bool wimpGrown = false;
bool wimpShrunk = true;

bool leftMouseDown = false;

int buttonIndex = 1;

int scene = 1;

int playerX = 300;
int playerY = 653;

int gravity = 1;

bool gravityOn;

const char* mainMenuBackground = "Assets/Backgrounds/mainMenuBackground.png";
const char* bedroomBackground = "Assets/Backgrounds/bedroomBackground.png";

const char* playButton = "Assets/Sprites/playButton.png";
const char* wimpButton = "Assets/Sprites/wimpButton.png";
const char* playButtonBig = "Assets/Sprites/playButtonBig.png";
const char* wimpButtonBig = "Assets/Sprites/wimpButtonBig.png";
const char* woodFloor = "Assets/Sprites/woodFloor.png";
const char* bed = "Assets/Sprites/bed.png";
const char* arthur = "Assets/Sprites/arthur.png";

const char* mainMenuMusic = "Assets/Music/mainMenuMusic.mp3";

void createHDWindow()
{
	SDL_Init(SDL_INIT_EVERYTHING);
	IMG_Init(IMG_INIT_PNG);
	Mix_Init(MIX_INIT_MP3);

	Mix_OpenAudio(22050, MIX_DEFAULT_FORMAT, 2, 4096);

	Mix_VolumeMusic(400);

	window = SDL_CreateWindow("Butter Game", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1920, 1080, SDL_WINDOW_FULLSCREEN);
	renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_PRESENTVSYNC);
}

int quit()
{
	SDL_DestroyTexture(imageSlot1);
	SDL_DestroyTexture(imageSlot2);
	SDL_DestroyTexture(imageSlot3);
	SDL_DestroyTexture(imageSlot4);
	SDL_DestroyTexture(imageSlot5);
	SDL_DestroyTexture(imageSlot6);
	SDL_DestroyTexture(imageSlot7);
	SDL_DestroyTexture(imageSlot8);
	SDL_DestroyTexture(imageSlot9);
	SDL_DestroyTexture(imageSlot10);

	Mix_CloseAudio();

	SDL_DestroyWindow(window);
	SDL_DestroyRenderer(renderer);

	exit(1);
}

void createButton(int width, int height, int posX, int posY)
{
	if(buttonIndex == 1)
	{
		button1.x = posX;
		button1.y = posY;
		button1.w = width;
		button1.h = height;
	}
	else if(buttonIndex == 2)
	{
		button2.x = posX;
		button2.y = posY;
		button2.w = width;
		button2.h = height;
	}
	else if(buttonIndex == 3)
	{
		button3.x = posX;
		button3.y = posY;
		button3.w = width;
		button3.h = height;
	}

	buttons = true;

	buttonIndex++;
}

void deleteButtons()
{
	buttonIndex = 1;

	button1 = {0, 0, 0, 0};
	button2 = {0, 0, 0, 0};
 	button3 = {0, 0, 0, 0};
}

void getInput()
{
	SDL_Event event;

	SDL_GetMouseState(&mousePosition.x, &mousePosition.y);

	mouseInsideButton1 = SDL_PointInRect(&mousePosition, &button1);
	mouseInsideButton2 = SDL_PointInRect(&mousePosition, &button2);
	mouseInsideButton3 = SDL_PointInRect(&mousePosition, &button3);

	while(SDL_PollEvent(&event))
	{
		if(event.button.button != SDL_BUTTON_LEFT)
		{
			leftMouseDown = false;
		}

		switch(event.type)
		{
			case SDL_MOUSEBUTTONDOWN:
				if(event.button.button == SDL_BUTTON_LEFT)
				{
					leftMouseDown = true;
				}
				break;
			case SDL_KEYDOWN:
				switch(event.key.keysym.sym)
				{

				}
			break;

			case SDL_QUIT:
				quit();
				break;
			break;
		}
	}
}

void queueVisualEvents()
{
	if(scene == 1 && loadedScenes[0] != true)
	{
		playMusic(mainMenuMusic, -1);

		loadImage(mainMenuBackground, 0, 0, 1920, 1080);
		loadImage(playButton, 1400, 270, 340, 170);
		loadImage(wimpButton, 1400, 540, 340, 170);

		createButton(340, 170, 1400, 270);
		createButton(340, 170, 1400, 540);

		loadedScenes[0] = true;
	}

	if(scene == 1)
	{
		if(mouseInsideButton1)
		{
			if(!playGrown)
			{
				freeImageSlot(2);

				loadSpecificImageSlot(playButtonBig, 1374, 244, 391, 196, 2);

				playGrown = true;
				playShrunk = false;
		}

			if(leftMouseDown)
			{
				clearScene();

				scene = 2;

				SDL_Delay(700);
			}
		}

		if(!mouseInsideButton1)
		{
			if(!playShrunk)
			{
				freeImageSlot(2);

				loadSpecificImageSlot(playButton, 1400, 270, 340, 170, 2);

				playShrunk = true;
				playGrown = false;
			}
		}

		if(mouseInsideButton2)
		{
			if(!wimpGrown)
			{
				freeImageSlot(3);

				loadSpecificImageSlot(wimpButtonBig, 1374, 514, 391, 196, 3);

				wimpGrown = true;
				wimpShrunk = false;
			}

			if(leftMouseDown)
			{
				SDL_Delay(700);

				quit();

				SDL_Delay(700);
			}
		}

		if(!mouseInsideButton2)
		{
			if(!wimpShrunk)
			{
				freeImageSlot(3);

				loadSpecificImageSlot(wimpButton, 1400, 540, 340, 170, 3);

				wimpShrunk = true;
				wimpGrown = false;
			}
		}
	}

	if(scene == 2)
	{
		if(loadedScenes[1] != true)
		{
			Mix_HaltMusic();

			loadImage(bedroomBackground, CENTER, CENTER, 1920, 1080);
			loadImage(woodFloor, CENTER, 1029, 1920, 51);
			loadImage(bed, 50, 546, 555, 503);

			loadedScenes[1] = true;
		}

		int imageIndexHolder;

		imageIndexHolder = loadImage(arthur, playerX, playerY, 118, 174);

		imageIndexHolder--;

		freeImageSlot(imageIndexHolder);

		playerY += gravity;
		gravity++;
	}


}

void renderScreen()
{
	SDL_RenderClear(renderer);

	SDL_RenderCopy(renderer, imageSlot1, NULL, &imageRect1);
	SDL_RenderCopy(renderer, imageSlot2, NULL, &imageRect2);
	SDL_RenderCopy(renderer, imageSlot3, NULL, &imageRect3);
	SDL_RenderCopy(renderer, imageSlot4, NULL, &imageRect4);
	SDL_RenderCopy(renderer, imageSlot5, NULL, &imageRect5);
	SDL_RenderCopy(renderer, imageSlot6, NULL, &imageRect6);
	SDL_RenderCopy(renderer, imageSlot7, NULL, &imageRect7);
	SDL_RenderCopy(renderer, imageSlot8, NULL, &imageRect8);
	SDL_RenderCopy(renderer, imageSlot9, NULL, &imageRect9);
	SDL_RenderCopy(renderer, imageSlot10, NULL, &imageRect10);

	SDL_RenderPresent(renderer);
}

int main()
{
	running = true;

	createHDWindow();

	while(running)
	{
		getInput();
		queueVisualEvents();
		renderScreen();
	}
}