using System.Drawing;

namespace Cis.Application.Core;

public class HikMarkSeacher : MarkSearcherBase
{
	public HikMarkSeacher(CameraCalcInfo cameraCalcInfo) : base(cameraCalcInfo)
	{
	}

	#region Implement

	protected override double ConvertPanPosToAngle(double panPos)
	{
		double ret = (0.1 * HexToDecMa(panPos)) / (180 * Math.PI);
		ret = (ret >= 0) ? ret : (2 * Math.PI + ret);
		return ret;
	}

	protected override double ConvertTiltPosToAngle(double tiltPos, double tiltMinPos = 0)
	{
		double ndiff;
		if (tiltPos > tiltMinPos)
			ndiff = HexToDecMa(tiltPos) - HexToDecMa(tiltMinPos);
		else
			ndiff = HexToDecMa(tiltPos) + HexToDecMa(13824) - HexToDecMa(tiltMinPos);
		double ret = (0.1 * ndiff) / (180 * Math.PI);
		return ret;
	}

	protected override PointF GetFOfMatrixByZoomPos(double zoomPos)
	{
		PointF pointF = new()
		{
			X = (float)GetFx(zoomPos),
			Y = (float)GetFy(zoomPos)
		};
		return pointF;
	}

	protected override void CalcSensor()
	{
		_cameraCalcInfo.MinFocusX = 1783.6 / _cameraCalcInfo.ImageWidth;
		_cameraCalcInfo.MinFocusY = 1781.4 / _cameraCalcInfo.ImageHeight;
	}

	#endregion Implement

	#region Util

	protected virtual double GetFx(double zoomPos)
	{
		CameraCalcInfo calcInfo = _cameraCalcInfo;
		return calcInfo.MinFocusX * GetZoomTag(zoomPos);
	}

	protected virtual double GetFy(double zoomPos)
	{
		CameraCalcInfo calcInfo = _cameraCalcInfo;
		return calcInfo.MinFocusY * GetZoomTag(zoomPos);
	}

	protected virtual double GetZoomTag(double zoomPos)
	{
		double ret = HexToDecMa(zoomPos) * 0.1;
		ret = (ret - 1) * 0.65 + 1;
		return ret;
	}

	protected double HexToDecMa(double wHex)
	{
		double ret = (wHex / 4096) * 1000 + ((wHex % 4096) / 256) * 100 + ((wHex % 256) / 16) * 10 + (wHex % 16);
		return ret;
	}

	#endregion Util
}