#pragma once

// STL includes
#include <ctime>
#include <vector>

// Local includes
#include <utils/ColorRgb.h>

// QT includes
#include <QString>
#include <QJsonArray>

// Forward class declarations
namespace Json { class Value; }

/// Enumeration containing the possible orders of device color byte data
enum class ColorOrder
{
	ORDER_RGB, ORDER_RBG, ORDER_GRB, ORDER_BRG, ORDER_GBR, ORDER_BGR
};

inline QString colorOrderToString(ColorOrder colorOrder)
{
	switch (colorOrder)
	{
	case ColorOrder::ORDER_RGB:
		return "rgb";
	case ColorOrder::ORDER_RBG:
		return "rbg";
	case ColorOrder::ORDER_GRB:
		return "grb";
	case ColorOrder::ORDER_BRG:
		return "brg";
	case ColorOrder::ORDER_GBR:
		return "gbr";
	case ColorOrder::ORDER_BGR:
		return "bgr";
	default:
		return "not-a-colororder";
	}
}

inline ColorOrder stringToColorOrder(const QString & order)
{
	if (order == "rgb")
	{
		return ColorOrder::ORDER_RGB;
	}
	else if (order == "bgr")
	{
		return ColorOrder::ORDER_BGR;
	}
	else if (order == "rbg")
	{
		return ColorOrder::ORDER_RBG;
	}
	else if (order == "brg")
	{
		return ColorOrder::ORDER_BRG;
	}
	else if (order == "gbr")
	{
		return ColorOrder::ORDER_GBR;
	}
	else if (order == "grb")
	{
		return ColorOrder::ORDER_GRB;
	}

	std::cout << "Unknown color order defined (" << order.toStdString() << "). Using RGB." << std::endl;
	return ColorOrder::ORDER_RGB;
}

///
/// The Led structure contains the definition of the image portion used to determine a single LED's
/// color.
/// @verbatim
/// |--------------------image--|
/// | minX  maxX                |
/// |  |-----|minY              |
/// |  |     |                  |
/// |  |-----|maxY              |
/// |                           |
/// |                           |
/// |                           |
/// |---------------------------|
/// @endverbatim
///
struct Led
{
	///  The minimum vertical scan line included for this LEDs color
	double minX_frac;
	///  The maximum vertical scan line included for this LEDs color
	double maxX_frac;
	///  The minimum horizontal scan line included for this LEDs color
	double minY_frac;
	///  The maximum horizontal scan line included for this LEDs color
	double maxY_frac;
	/// A LEDs at {0,0,0,0} is not visible and therefore treated as blacklisted
	bool isBlacklisted {false};
	/// the color order
	ColorOrder colorOrder;
};

///
/// The LedString contains the image integration information of the LEDs
///
class LedString
{
public:
	///
	/// Returns the LED specifications
	///
	/// @return The list with led specifications
	///
	std::vector<Led>& leds();

	///
	/// Returns the LED specifications
	///
	/// @return The list with led specifications
	///
	const std::vector<Led>& leds() const;

	///
	/// Returns the IDs of blacklisted LEDs
	///
	/// @return ID List of blacklisted LEDs
	///
	std::vector<int>& blacklistedLedIds();

	///
	/// Returns the IDs of blacklisted LEDs
	///
	/// @return ID List of blacklisted LEDs
	///
	const std::vector<int>& blacklistedLedIds() const;

	///
	/// Check, if teh layout has blacklisted LEDs configured
	///
	/// @return True, if blacklisted LEDs are configured
	///
	bool hasBlackListedLeds ();

	static LedString createLedString(const QJsonArray& ledConfigArray, const ColorOrder deviceOrder);

private:
	/// The list with LED specifications
	std::vector<Led> _leds;
	/// The list containing IDs of blacklisted LED
	std::vector<int> _blacklistedLedIds;
};