#ifndef EDITOR_FRAME_PROFILER_H
#define EDITOR_FRAME_PROFILER_H

#include "scene/gui/box_container.h"
#include "scene/gui/button.h"
#include "scene/gui/check_box.h"
#include "scene/gui/label.h"
#include "scene/gui/option_button.h"
#include "scene/gui/spin_box.h"
#include "scene/gui/split_container.h"
#include "scene/gui/texture_rect.h"
#include "scene/gui/tree.h"

class EditorVisualProfiler : public VBoxContainer {

	GDCLASS(EditorVisualProfiler, VBoxContainer);

public:
	struct Metric {

		bool valid;

		uint64_t frame_number;

		struct Area {
			String name;
			Color color_cache;
			StringName fullpath_cache;
			float cpu_time = 0;
			float gpu_time = 0;
		};

		Vector<Area> areas;

		Metric() {
			valid = false;
		}
	};

	enum DisplayTimeMode {
		DISPLAY_FRAME_TIME,
		DISPLAY_FRAME_PERCENT,
	};

private:
	Button *activate;
	Button *clear_button;

	TextureRect *graph;
	Ref<ImageTexture> graph_texture;
	PoolVector<uint8_t> graph_image;
	Tree *variables;
	HSplitContainer *h_split;
	CheckBox *frame_relative;
	CheckBox *linked;

	OptionButton *display_mode;

	SpinBox *cursor_metric_edit;

	Vector<Metric> frame_metrics;
	int last_metric;

	StringName selected_area;

	bool updating_frame;

	//int cursor_metric;
	int hover_metric;

	float graph_height_cpu;
	float graph_height_gpu;

	float graph_limit;

	bool seeking;

	Timer *frame_delay;
	Timer *plot_delay;

	void _update_frame(bool p_focus_selected = false);

	void _activate_pressed();
	void _clear_pressed();

	String _get_time_as_text(float p_time);

	//void _make_metric_ptrs(Metric &m);
	void _item_selected();

	void _update_plot();

	void _graph_tex_mouse_exit();

	void _graph_tex_draw();
	void _graph_tex_input(const Ref<InputEvent> &p_ev);

	int _get_cursor_index() const;

	Color _get_color_from_signature(const StringName &p_signature) const;

	void _cursor_metric_changed(double);

	void _combo_changed(int);

protected:
	void _notification(int p_what);
	static void _bind_methods();

public:
	void add_frame_metric(const Metric &p_metric);
	void set_enabled(bool p_enable);
	bool is_profiling();
	bool is_seeking() { return seeking; }
	void disable_seeking();

	void clear();

	Vector<Vector<String> > get_data_as_csv() const;

	EditorVisualProfiler();
};

#endif // EDITOR_FRAME_PROFILER_H