using Bro.Common.Interface;
using Bro.Common.UI;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;

namespace Bro.Common.Base.UI
{
    public partial class CtrlCameraRunBase : UserControl, IRunCtrl
    {
        public CtrlCameraRunBase()
        {
            InitializeComponent();
        }

        public IDevice Device { get; set; }

        protected CameraBase Camera
        {
            get => Device as CameraBase;
        }

        public CtrlCameraRunBase(IDevice device)
        {
            InitializeComponent();
            Device = device;

            Camera.OnImageUpdated += Camera_UpdateShowImage;
            Camera.OnElementsUpdated += Camera_OnElementsUpdated;
        }

        private readonly Dictionary<string, List<ElementBase>> _eleBufferDict = new Dictionary<string, List<ElementBase>>();
        private volatile string _setId = "";

        protected virtual void Camera_OnElementsUpdated(CameraBase camera, List<ElementBase> eleList, string setId)
        {
            if (cvImage.IsHandleCreated)
            {
                if (_setId == setId)
                {
                    eleList.ForEach(e => cvImage.Elements.Add(e));
                }
                else
                {
                    _eleBufferDict[setId] = eleList;
                }
            }
        }

        protected virtual void Camera_UpdateShowImage(CameraBase camera, Bitmap image, string setId)
        {
            _setId = setId;

            if (cvImage.IsHandleCreated)
            {
                cvImage.LoadImage(image);

                if (_eleBufferDict.ContainsKey(setId))
                {
                    _eleBufferDict[setId].ForEach(e => cvImage.Elements.Add(e));

                    _eleBufferDict.Remove(setId);
                }
            }
        }

        /// <summary> 
        /// 清理所有正在使用的资源。
        /// </summary>
        /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }
    }
}