//
// Created by cbihan on 3/27/20.
//

#pragma once

#include <QtWidgets/QMainWindow>
#include "PPU/PPU.hpp"
#include "ui/ui_cgramView.h"
#include <QtCore/QSortFilterProxyModel>
#include <QEvent>
#include <QMouseEvent>
#include <QTableView>
#include "ClosableWindow.hpp"

namespace ComSquare::Debugger
{
	//! @brief The qt model that bind the logs to the view.
	class CGramModel : public QAbstractTableModel
	{
	Q_OBJECT
	private:
		//! @brief The ppu to log the cgram.
		ComSquare::PPU::PPU &_ppu;
	public:
		//! @brief The number of columns
		const int column = 16;
		//! @brief The number of rows
		const int rows = 16;
		int x;
		int y;

		explicit CGramModel(ComSquare::PPU::PPU &ppu);
		CGramModel(const CGramModel &) = delete;
		const CGramModel &operator=(const CGramModel &) = delete;
		~CGramModel() override = default;

		//! @brief The number of row the table has.
		[[nodiscard]] int rowCount(const QModelIndex &parent) const override;
		//! @brief The number of column the table has.
		[[nodiscard]] int columnCount(const QModelIndex &parent) const override;
		//! @brief Return a data representing the table cell.
		[[nodiscard]] QVariant data(const QModelIndex &index, int role) const override;
	};

	//! @brief window that allow the user to view all data going through the memory bus.
	class CGramDebug : public QObject
	{
	private:
		//! @brief The QT window for this debugger.
		ClosableWindow *_window;
		//! @brief A reference to the snes (to disable the debugger).
		SNES &_snes;
		//! @brief A widget that contain the whole UI.
		Ui::CgramView _ui;
		//! @brief The Log visualizer model for QT.
		CGramModel _model;
		//! @brief A reference to the ppu
		ComSquare::PPU::PPU &_ppu;
	public:
		explicit CGramDebug(SNES &snes, ComSquare::PPU::PPU &ppu);
		CGramDebug(const CGramDebug &) = delete;
		CGramDebug &operator=(const CGramDebug &) = delete;
		~CGramDebug() override = default;

		//! @brief Read data at the CGRAM address send it to the debugger.
		//! @param addr The address to read from.
		//! @return The color value in BGR, looks like this xbbbbbgggggrrrrr.
		uint16_t read(uint8_t addr);
		//! @brief Focus the debugger's window.
		void focus();
		//! @brief Update the text fields with corresponding tile info
		void updateInfoTile(int row, int column);
		//! @brief Update call updateInfoTile with the correct address
		void tileClicked(const QModelIndex &index);
	};
}