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

namespace Bro.Common.Base.UI
{
    public partial class CtrlCameraRunBase : UserControl, IRunCtrl
    {
        public Canvas CvImage { get; set; }

        public CtrlCameraRunBase()
        {
            InitializeComponent();

            CvImage = new Canvas();
            CvImage.IsShowElementList = false;
            CvImage.IsShowROITool = false;
            CvImage.Dock = DockStyle.Fill;
            Controls.Add(CvImage);
        }

        public IDevice Device { get; set; }

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

        public CtrlCameraRunBase(IDevice device)
        {
            InitializeComponent();

            CvImage = new Canvas();
            CvImage.IsShowElementList = false;
            CvImage.IsShowROITool = false;
            CvImage.Dock = DockStyle.Fill;
            Controls.Add(CvImage);

            Device = device;

            Camera.OnImageUpdated += Camera_UpdateShowImage;
            Camera.OnElementsUpdated += Camera_OnElementsUpdated;
            Camera.OnCameraOpModeChanged += Camera_OnCameraOpModeChanged;

            InitialToolBarVisible();
        }

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

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

        DateTime _showTime = DateTime.Now;
        protected virtual void Camera_UpdateShowImage(CameraBase camera, Bitmap image, string setId)
        {
            if (!string.IsNullOrWhiteSpace(setId))
                _setId = setId;

            if (CvImage.IsHandleCreated)
            {
                CvImage.LoadImage(image);
                if (camera.OpMode == Helper.EnumHelper.CameraOpMode.ContinuousMode)
                {
                    camera.ImageShowedHandle.Set();

                    DateTime dt = DateTime.Now;
                    //lblDisplayFrequency.Invoke(new Action(() => lblDisplayFrequency.Text = ((int)(dt - _showTime).TotalMilliseconds).ToString()));
                    this.Invoke(new Action(() =>
                    {
                        var temp = tssBtnCameraOp.Text.Split('|');
                        tssBtnCameraOp.Text = $"{temp[0].Trim()} | {((int)(dt - _showTime).TotalMilliseconds).ToString()}";
                    }));

                    _showTime = dt;
                }
                //else
                //{
                //    lblDisplayFrequency.Invoke(new Action(() => lblDisplayFrequency.Text = ""));
                //}

                if (_eleBufferDict.ContainsKey(setId))
                {
                    CvImage.Elements.Clear();
                    _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);
        }

        private void CtrlCameraRunBase_Leave(object sender, System.EventArgs e)
        {
            Camera.OpMode = Helper.EnumHelper.CameraOpMode.SingleSnapShot;
        }

        #region 操作栏
        private void tssBtnCameraOp_Click(object sender, EventArgs e)
        {
            if (Camera.CurrentState == Helper.EnumHelper.DeviceState.DSOpen
                && Camera.OpMode == Helper.EnumHelper.CameraOpMode.SingleSnapShot)
            {
                //Camera.OpMode = Helper.EnumHelper.CameraOpMode.SingleSnapShot;
                Camera.Snapshot();
            }
            else
            {
                MessageBox.Show($"{Camera.Name}不在开启状态");
            }
        }

        private void Camera_OnCameraOpModeChanged()
        {
            //chkVideoMode.Invoke(new Action(() => chkVideoMode.Checked = Camera.OpMode == Helper.EnumHelper.CameraOpMode.ContinuousMode));
            this.Invoke(new Action(() =>
            {
                if (Camera.OpMode == Helper.EnumHelper.CameraOpMode.SingleSnapShot)
                {
                    tssBtnCameraOp.Text = "拍    照";
                    tsmiVideoMode.Checked = false;
                }
                else
                {
                    tssBtnCameraOp.Text = "视频模式";
                    tsmiVideoMode.Checked = true;
                }
            }));
        }

        private void tsmiVideoMode_CheckedChanged(object sender, EventArgs e)
        {
            if (Camera.CurrentState != Helper.EnumHelper.DeviceState.DSOpen && tsmiVideoMode.Checked)
            {
                MessageBox.Show($"{Camera.Name}不在开启状态");
                tsmiVideoMode.Checked = false;
            }

            if (tsmiVideoMode.Checked)
            {
                Camera.OpMode = Helper.EnumHelper.CameraOpMode.ContinuousMode;
            }
            else
            {
                Camera.OpMode = Helper.EnumHelper.CameraOpMode.SingleSnapShot;
            }
        }

        private void tsBtnModifyExposure_Click(object sender, EventArgs e)
        {
            string exposureStr = tsTxtExposure.Text.Trim();

            if (float.TryParse(exposureStr, out float exposure))
            {
                if (Camera.CurrentState == Helper.EnumHelper.DeviceState.DSOpen)
                {
                    Camera.UploadOperationConfig(new CameraOprerationConfigBase() { Exposure = exposure });
                }
            }
        }

        private void tssBtnCameraOp_DropDownOpening(object sender, EventArgs e)
        {
            tssBtnCameraOp.Click -= tssBtnCameraOp_Click;
        }

        private void tssBtnCameraOp_DropDownClosed(object sender, EventArgs e)
        {
            tssBtnCameraOp.Click -= tssBtnCameraOp_Click;
            tssBtnCameraOp.Click += tssBtnCameraOp_Click;
        }
        #endregion

        #region 显示控制
        public bool IsShowOperationBar
        {
            get => toolStripOperation.Visible;
            set => tsmiShowOpBar.Checked = toolStripOperation.Visible = value;
        }

        public bool IsShowToolBar
        {
            get => CvImage.IsShowToolBar;
            set => tsmiShowToolBar.Checked = CvImage.IsShowToolBar = value;
        }

        public bool IsShowElements
        {
            get => CvImage.IsShowElementList;
            set => tsmiShowElements.Checked = CvImage.IsShowElementList = value;
        }

        public bool IsShowStatusBar
        {
            get => CvImage.IsShowStatusBar;
            set => tsmiShowStatusBar.Checked = CvImage.IsShowStatusBar = value;
        }

        private void InitialToolBarVisible()
        {
            IsShowOperationBar = IsShowToolBar = IsShowElements = IsShowStatusBar = false;
        }

        private void tsmiShowToolBar_CheckedChanged(object sender, EventArgs e)
        {
            IsShowToolBar = tsmiShowToolBar.Checked;
        }

        private void tsmiShowOpBar_CheckedChanged(object sender, EventArgs e)
        {
            IsShowOperationBar = tsmiShowOpBar.Checked;
        }

        private void tsmiShowElements_CheckedChanged(object sender, EventArgs e)
        {
            IsShowElements = tsmiShowElements.Checked;
        }

        private void tsmiShowStatusBar_CheckedChanged(object sender, EventArgs e)
        {
            IsShowStatusBar = tsmiShowStatusBar.Checked;
        }
        #endregion
        
        public IOperationConfig OpConfig { get; set; }

        public void UploadOperationConfig(IOperationConfig opConfig)
        {
            throw new NotImplementedException();
        }

        public IOperationConfig GetOperationConfig()
        {
            throw new NotImplementedException();
        }
    }
}