/*
	OmniaFramework - A collection of useful functionality
	Copyright (C) 2026  OmniaX-Dev

	This file is part of OmniaFramework.

	OmniaFramework is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	OmniaFramework is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with OmniaFramework.  If not, see <https://www.gnu.org/licenses/>.
*/

#pragma once

#include <ogfx/gui/widgets/Widget.hpp>
#include <ogfx/gui/widgets/Scrollbar.hpp>
#include <ostd/utils/Time.hpp>

namespace ogfx
{
	namespace gui
	{
		class Panel : public ScrollableWidget
		{
			public: struct TitleBarTypes
			{
				inline static const String None { "none" };
				inline static const String Full { "full" };
				inline static const String Minimal { "minimal" };

				inline static constexpr i32 NoneValue = 0;
				inline static constexpr i32 FullValue = 1;
				inline static constexpr i32 MinimalValue = 2;
			};
			public:
				inline Panel(Window& window) : ScrollableWidget(window) { create(); }
				Panel& create(void);
				void applyTheme(const ostd::Stylesheet& theme) override;
				void afterDraw(ogfx::BasicRenderer2D& gfx) override;
				void onMousePressed(const Event& event) override;
				void onMouseReleased(const Event& event) override;
				void onMouseDragged(const Event& event) override;
				void onWindowResized(const Event& event) override;
				void setTitlebarType(const String& type);
				String getTitlebarType(void) const;
				inline String getTitle(void) const { return m_title; }
				inline void setTitle(const String& title) { m_title = title; }
				inline f32 getTitlebarHeight(void) const { return m_titlebarHeight; }
				OSTD_BOOL_PARAM_GETSET_I(Draggable, m_draggable);

			private:
				void draw_titlebar(BasicRenderer2D& gfx);

			private:
				String m_title { "Panel" };
				Vec2 m_mousePos { 0, 0 };
				bool m_mousePressed { false };
				bool m_draggable { false };
				Rectangle m_titleBarBounds;

				Color m_titleColor { Colors::Black  };
				i32 m_titlebarType = TitleBarTypes::NoneValue;
				f32 m_titlebarHeight { 30 };
				i32 m_titlebarBorderWidth { 1 };
				i32 m_titlebarFontSize { 26 };
				Color m_titlebarColor { Colors::Transparent };
				Color m_titlebarBorderColor { Colors::Black };
				i32 m_titleTextAlign { 0 };
		};
		class TabPanel : public Widget
		{
			public:
				inline TabPanel(Window& window) : Widget({ 0, 0, 0, 0 }, window) { create(); }
				TabPanel& create(void);
				void applyTheme(const ostd::Stylesheet& theme) override;
				void onMousePressed(const Event& event) override;
				void onMouseScrolled(const Event& event) override;
				void onDraw(ogfx::BasicRenderer2D& gfx) override;
				Panel& addTab(const String& title);
				bool removeTab(Panel& tab);
				bool removeTab(i32 index);
				bool removeTab(const String& title);
				bool setCurrentTab(Panel& tab);
				bool setCurrentTab(i32 index, bool ignore_same_tab = false);
				void setTabBarHeight(f32 height);
				bool isMouseInsideTabBar(const Vec2& mousePos);
				inline void refreshCurrentTab(void) { setCurrentTab(m_currentTabIndex, true); }

				inline f32 getTabBarHeight(void) const { return m_tabBarHeight; }
				OSTD_PARAM_GETSET(Color, TabBarBackgroundColor, m_tabBarBackgroundColor);
				OSTD_PARAM_GETSET(Color, TabBarBorderColor, m_tabBarBorderColor);
				OSTD_PARAM_GETSET(f32, TabBarSidePadding, m_tabSidePadding);
				OSTD_PARAM_GETSET(i32, TabBarBorderWidth, m_tabBarBorderWidth);

			private:
				void prepare_for_current_tab_removal(void);
				void draw_tabs(ogfx::BasicRenderer2D& gfx);

			private:
				stdvec<std::unique_ptr<Panel>> m_tabs;
				stdvec<Rectangle> m_tabBoundsList;
				Panel* m_currentTab { nullptr };
				i32 m_currentTabIndex { -1 };
				f32 m_tabScrollOffset { 0.0f };
				f32 m_totalTabWidth { 0.0f };
				Rectangle m_tabBarBorderRadii { 0, 0, 0, 0 };

				f32 m_tabBarHeight { 35 };
				Color m_tabBarBackgroundColor { 120, 120, 120 };
				Color m_tabBarBorderColor { 170, 170, 170 };
				f32 m_tabSidePadding { 20 };
				i32 m_tabBarBorderWidth { 2 };
		};
	}
}