using Newtonsoft.Json;

namespace DaJiaoYan.Models
{

    public class Rect
    {
        private OpenCvSharp.Rect _rect;


        [JsonProperty(PropertyName = "x", NullValueHandling = NullValueHandling.Ignore)]
        public int X { get; set; }

        [JsonProperty(PropertyName = "y", NullValueHandling = NullValueHandling.Ignore)]
        public int Y { get; set; }

        [JsonProperty(PropertyName = "width", NullValueHandling = NullValueHandling.Ignore)]
        public int Width { get; set; }

        [JsonProperty(PropertyName = "height", NullValueHandling = NullValueHandling.Ignore)]
        public int Height { get; set; }

        /// <summary>
        /// 区域所在的纸张A/B面
        /// </summary>
        [JsonProperty(PropertyName = "side", NullValueHandling = NullValueHandling.Ignore)]
        public string Side { get; set; }

        [JsonProperty(PropertyName = "uuid", NullValueHandling = NullValueHandling.Ignore)]
        public string UUID { get; set; }

        public Rect(int x, int y, int w, int h)
        {
            X = x; Y = y; Width = w; Height = h;
        }

        public OpenCvSharp.Rect CvRect
        {
            get
            {
                if (_rect == null || _rect.X != X || _rect.Y != Y || _rect.Width != Width || _rect.Height != Height)
                {
                    _rect = new OpenCvSharp.Rect
                    {
                        X = X,
                        Y = Y,
                        Width = Width,
                        Height = Height,
                    };
                }
                return _rect;
            }
        }

        public bool Avaliable
        {
            get
            {
                return X >= 0 && Y >= 0 && Width > 0 && Height > 0;
            }
        }
    }
}