#include "savedWorlds.hpp"
#include "dirent.h"
#include <cstring>

#include "game.hpp"
#include "mainMenu.hpp"

std::vector<bool> savedWorlds::worlds={};
std::vector<Button> savedWorlds::worldButtons={};
Button savedWorlds::backButton;
bool savedWorlds::back;
savedWorlds::savedWorlds(GLFWwindow* win){
	back =false;
	DIR* dir = opendir("worlds");
	
	glfwSetMouseButtonCallback(win, MousePressed);
	backButton= Button("Go back", -0.8, 0.5, 0.5, 0.25);

	if(dir){
		struct dirent *ent;
		int i =0;
		while(ent=readdir(dir)){
			if(ent->d_type==DT_DIR)continue;

			worldButtons.push_back(Button(ent->d_name , -0.5,-0.5*i,1.0,0.5));
			worlds.push_back(false);
			
			i++;
		}
	}
	closedir(dir);
}
void savedWorlds::MousePressed(GLFWwindow* win, int mouse_button, int action, int _){
	if(action==GLFW_PRESS && mouse_button==0){
		for(int i =0;i<worldButtons.size();i++){
			worlds[i]=worldButtons[i].hovering;
		}
		back =backButton.hovering;
	}
}

void savedWorlds::draw(float screenRatio){
	for(int i =0;i<worldButtons.size();i++){
		worldButtons[i].Draw(screenRatio);
	}
	backButton.Draw(screenRatio);
}
Control* savedWorlds::handle(GLFWwindow* win){
	for(int i =0;i<worldButtons.size();i++){
		if(worlds[i])return(new Game(win,"worlds/"+worldButtons[i].text));
		worldButtons[i].handle(win);
	}
	if(back)return(new mainMenu(win));
	backButton.handle(win);
	return NULL;
}

void savedWorlds::shutdown(){
	worldButtons.clear();
	worlds.clear();
}