#include "gui_service.hpp"

namespace big
{
	gui_service::gui_service()
	{
		g_gui_service = this;
	}

	gui_service::~gui_service()
	{
		g_gui_service = nullptr;
	}

	navigation_struct* gui_service::get_selected()
	{
		navigation_struct tab_none = { "", nullptr };
		if (current_tab.empty() || current_tab.at(0) == tabs::NONE)
			return &tab_none;

		navigation_struct* current_nav = &nav.at(current_tab.at(0));
		if (current_tab.size() > 1)
		{
			for (const tabs& t : current_tab)
			{
				if (t == current_tab.at(0)) continue;
				current_nav = &current_nav->sub_nav.at(t);
			}
		}

		return current_nav;
	}

	std::vector<tabs> gui_service::get_selected_tab()
	{
		return current_tab;
	}

	bool gui_service::has_switched_view()
	{
		return switched_view;
	}

	void gui_service::set_selected(tabs tab)
	{
		if (current_tab.empty()) return current_tab.push_back(tab);
		if (auto it = get_selected()->sub_nav.find(tab); it != get_selected()->sub_nav.end())
			current_tab.push_back(tab);
		else
		{
			current_tab.pop_back();
			set_selected(tab);
		}
	}

	void gui_service::set_nav_size(int nav_size)
	{
		nav_ctr = nav_size;
	}

	void gui_service::increment_nav_size()
	{
		nav_ctr++;
	}


	void gui_service::reset_nav_size()
	{
		nav_ctr = 0;
	}

	std::unordered_map<tabs, navigation_struct> gui_service::get_navigation()
	{
		return nav;
	}


}