using o0.Geometry2D.Float;

namespace o0.Project
{
    public class LineIdentified
    {
        // 属于的识别批次
        public int Batch;
        // 线段
        public Line Line;
        // 线梯度
        public float Gradient;
        // 线梯度方向, 0 - 180度
        public float GradientDegree;
        // 筛线条时, 计算垂直直线的梯度值
        public float ZIMGradient;
        // 到屏幕中点的距离
        public float DistanceToMiddle;
        // 用于绘制的线, 为null就是不绘制
        public Line DrawLine;
        // 被认为是屏幕的哪条边，-1表示不是屏幕的边，0, 1, 2，3对应 下、右、上、左
        public int ScreenLineIndex;

        public LineIdentified(int batch, Line line, float gradient, float gradientDegree, bool drawAll = false)
        {
            Batch = batch;
            Line = line;
            Gradient = gradient;
            GradientDegree = gradientDegree;
            if (drawAll)
                DrawLine = line;
        }

        public LineIdentified(int batch, (Line line, float gradient, float gradientDegree) lineParams, bool drawAll = false)
        {
            Batch = batch;
            Line = lineParams.line;
            Gradient = lineParams.gradient;
            GradientDegree = lineParams.gradientDegree;
            if (drawAll)
                DrawLine = lineParams.line;
        }

        bool? _isInterLine;
        // 评估是否是屏幕内部的线
        public bool GuessIsInterLine(InterLineGuess guess)
        {
            if (_isInterLine == null)
                _isInterLine = guess.GuessIsLine(this);

            return _isInterLine.Value;
        }

        public void Offset(Vector offset)
        {
            Line += offset;
        }
    }
}