using BetterGenshinImpact.Core.Recognition.OpenCv;
using BetterGenshinImpact.GameTask;
using System;
using System.Drawing;
using System.Windows;

namespace BetterGenshinImpact.View.Drawable
{
    [Serializable]
    public class RectDrawable
    {
        public string? Name { get; set; }
        public Rect Rect { get; }
        public Pen Pen { get; } = new(Color.Red, 2);

        public RectDrawable(Rect rect, Pen? pen = null, string? name = null)
        {
            Rect = rect;
            Name = name;

            if (pen != null)
            {
                Pen = pen;
            }
        }

        public RectDrawable(Rect rect, string? name)
        {
            Rect = rect;
            Name = name;
        }

        public override bool Equals(object? obj)
        {
            if (obj == null || GetType() != obj.GetType())
            {
                return false;
            }

            var other = (RectDrawable)obj;
            return Rect.Equals(other.Rect);
        }

        public override int GetHashCode()
        {
            return Rect.GetHashCode();
        }

        public bool IsEmpty => Rect.IsEmpty;
    }

    /// <summary>
    /// 只有在坐标是整个游戏窗口捕获区域的时候才能使用这里的方法进行转换
    /// </summary>
    public static class RectDrawableExtension
    {
        public static RectDrawable ToRectDrawable(this Rect rect, Pen? pen = null, string? name = null)
        {
            var scale = TaskContext.Instance().DpiScale;
            Rect newRect = new(rect.X / scale, rect.Y / scale, rect.Width / scale, rect.Height / scale);
            return new RectDrawable(newRect, pen, name);
        }

        public static RectDrawable ToRectDrawable(this OpenCvSharp.Rect rect, Pen? pen = null, string? name = null)
        {
            var scale = TaskContext.Instance().DpiScale;
            OpenCvSharp.Rect newRect = new((int)(rect.X / scale), (int)(rect.Y / scale), (int)(rect.Width / scale), (int)(rect.Height / scale));
            return new RectDrawable(newRect.ToWindowsRectangle(), pen, name);
        }

        public static RectDrawable ToRectDrawable(this OpenCvSharp.Rect rect, int offsetX, int offsetY, Pen? pen = null, string? name = null)
        {
            var scale = TaskContext.Instance().DpiScale;
            OpenCvSharp.Rect newRect = new(offsetX + (int)(rect.X / scale), offsetY + (int)(rect.Y / scale), (int)(rect.Width / scale), (int)(rect.Height / scale));
            return new RectDrawable(newRect.ToWindowsRectangle(), pen, name);
        }
    }
}