//main file

#include<iostream>
#include<SDL2/SDL.h>
#include"player.h"
#include"block.h"

const int SCREEN_WIDTH = 640;
const int SCREEN_HEIGHT = 480;

SDL_Window* gWindow = NULL;
SDL_Renderer* gRenderer = NULL;

//12 sz of height and 16 of width
const int sz = SCREEN_WIDTH/16;

void init();
bool loadMedia();
void close();
void gameLoop();
int check(SDL_Rect rectA, SDL_Rect rectB);

Player posweg;
Block ground;

bool loadMedia(){
	bool success = true;

	return success;
}

void init(){
	SDL_Init(SDL_INIT_VIDEO);
	//IMG_Init(IMG_INIT_JPG);
	gWindow = SDL_CreateWindow("Plataform Test!",SDL_WINDOWPOS_CENTERED,SDL_WINDOWPOS_CENTERED,SCREEN_WIDTH,SCREEN_HEIGHT,SDL_WINDOW_SHOWN);
	gRenderer = SDL_CreateRenderer(gWindow,-1,SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
	SDL_SetRenderDrawColor(gRenderer,0xFF,0xFF,0xFF,0xFF);
}

void close(){
	SDL_DestroyRenderer(gRenderer);
	SDL_DestroyWindow(gWindow);
	gWindow = NULL;
	gRenderer = NULL;

	//IMG_Quit();
	SDL_Quit();
}

void gameLoop(){
	SDL_SetRenderDrawColor(gRenderer,0,0,0,0xFF);
	SDL_RenderClear(gRenderer);

	Block wallA;
	Block wallB;
	Block wallC;
	wallA.print(8*sz,SCREEN_HEIGHT-sz*5,sz*2,sz*2,gRenderer);
	wallB.print(4*sz,SCREEN_HEIGHT-sz*3,sz,sz*2,gRenderer);
	wallC.print(6*sz,SCREEN_HEIGHT-sz*3,sz,sz*2,gRenderer);
	ground.print(0,SCREEN_HEIGHT-sz,SCREEN_WIDTH,sz,gRenderer);
	posweg.print();


	posweg.check(wallA.getRectangle());	
	posweg.check(wallB.getRectangle());
	posweg.check(wallC.getRectangle());
	posweg.check(ground.getRectangle());	

	SDL_RenderPresent(gRenderer);
}

int main(int argc, char* args[]){
	init();
	loadMedia();

	bool quit = false;
	SDL_Event e;
	
	posweg.init(100,100,sz,sz,&gRenderer);

	while(!quit){
		while(SDL_PollEvent(&e)!=0){
			if(e.type == SDL_QUIT){
				quit = true;
			}
		}
		
		gameLoop();
	}
	close();
	return 0;
}

int check(SDL_Rect rectA, SDL_Rect rectB){

	int collision = 0;

	int aX = rectA.x;
	int aY = rectA.y;
	int a2X = rectA.x + rectA.w;
	int a2Y = rectA.y + rectA.h;

	int bX = rectB.x;
	int bY = rectB.y;
	int b2X = rectB.x + rectB.w;
	int b2Y = rectB.y + rectB.h;

	if(aX > bX and aX < b2X){
		if(aY > bY and aY < b2Y) collision += 1;
		if(a2Y > bY and a2Y < b2Y) collision += 2;
	}

	if(a2X > bX and a2X < b2X){
		if(aY > bY and aY < b2Y) collision += 4;
		if(a2Y > bY and a2Y < b2Y) collision += 8;
	}

	//std::cout<<aX<<" "<<a2X<<" "<<aY<<" "<<a2Y<<" / ";
	//std::cout<<bX<<" "<<b2X<<" "<<bY<<" "<<b2Y;

	return collision; 
};