using PaintDotNet.Annotation.ImageCollect;
using PaintDotNet.Base.SettingModel;
using StageController;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Threading.Tasks;
using System.Windows.Forms;
using PaintDotNet.Adjust;
using PaintDotNet.Camera;

namespace PaintDotNet
{
    public partial class ImageStitchingFocusDialog : PdnBaseForm
    {
        AxisController m_stage;
        private LoadingStageModel m_loadingStageModel;
        private int _lowSpeed;
        private int _highSpeed;
        protected double m_PxLength;
        private CurvedSurface[] ResultList;

        public Action<CurvedSurface[]> CallbackResult;

        public ImageStitchingFocusDialog(AxisController stage, List<DrawStithchingBase> graphicsList)
        {
            InitializeComponent();
            InitializeButtonBackgroundImage();
            InitLanguage();

            m_stage = stage;
            m_loadingStageModel = Startup.instance.loadingStageModel;
            m_graphicsList = graphicsList;
            UpdateGrid();
            _lowSpeed = m_loadingStageModel.items[0].ZSpeed;
            _highSpeed = m_loadingStageModel.items[5].ZSpeed;
            Startup.instance.rules.TryGetValue(MeasurementUnit.Micron, out m_PxLength);
            ResultList = new CurvedSurface[graphicsList.Count];
            _fittingMap = new Dictionary<int, Dictionary<int, double>>();
        }

        private void InitializeButtonBackgroundImage()
        {
            btnContinuityUp.FlatStyle = FlatStyle.Flat;
            btnContinuityUp.FlatAppearance.BorderSize = 0;
            btnContinuityUp.BackgroundImageLayout = ImageLayout.Zoom;
            btnContinuityUp.BackgroundImage = PdnResources.GetImageResource("Images.ButtonUp.png").Reference;

            btnContinuityLower.FlatStyle = FlatStyle.Flat;
            btnContinuityLower.FlatAppearance.BorderSize = 0;
            btnContinuityLower.BackgroundImageLayout = ImageLayout.Zoom;
            btnContinuityLower.BackgroundImage = PdnResources.GetImageResource("Images.ButtonDown.png").Reference;

            btnFixedUp.FlatStyle = FlatStyle.Flat;
            btnFixedUp.FlatAppearance.BorderSize = 0;
            btnFixedUp.BackgroundImageLayout = ImageLayout.Zoom;
            btnFixedUp.BackgroundImage = PdnResources.GetImageResource("Images.ButtonUp.png").Reference;

            btnFixedLower.FlatStyle = FlatStyle.Flat;
            btnFixedLower.FlatAppearance.BorderSize = 0;
            btnFixedLower.BackgroundImageLayout = ImageLayout.Zoom;
            btnFixedLower.BackgroundImage = PdnResources.GetImageResource("Images.ButtonDown.png").Reference;
        }
        private void InitLanguage()
        {
            this.groupBox2.Text = PdnResources.GetString("Menu.Preview.text");
            this.groupBox1.Text = PdnResources.GetString("Menu.operation.text");
            this.groupBox6.Text = PdnResources.GetString("Menu.operation.text");
            this.groupBox4.Text = PdnResources.GetString("Menu.continuous.text");
            this.groupBox7.Text = PdnResources.GetString("Menu.Fixedlength.text"); this.groupBox3.Text = PdnResources.GetString("Menu.imagecapture.Imagestitching.Listofpuzzleareas.text");
            groupBox5.Text = PdnResources.GetString("LocationList");
            groupBox8.Text = PdnResources.GetString("Menu.Runningspeed.text");

            btnOk.Text = PdnResources.GetString("Form.OkButton.Text");
            BtnCancel.Text = PdnResources.GetString("Form.CancelButton.Text");
            btnSaveOne.Text = PdnResources.GetString("Form.SaveButton.Text");
            btnStartFocus.Text = PdnResources.GetString("Menu.ImageCollection.Autofocus.Text");
            rbtHighS.Text = PdnResources.GetString("Button.Text.HighSpeed");
            rbtLowS.Text = PdnResources.GetString("Button.Text.LowSpeed");
        }

        private void CallbackDraw(Bitmap obj)
        {
            try
            {
                this.Invoke(new Action(() => { pctPreview.Image = (Image)obj.Clone(); }));
                m_BitmapCurrent = (Bitmap)obj.Clone();
            }
            catch
            { }
        }

        private void UpdateGrid()
        {
            for (int i = 0; i < m_graphicsList.Count; i++)
            {
                var draw = m_graphicsList[i];
                int[] tiles = draw.GetTiles();
                double area = draw.GetArea();
                string name = "";
                if (draw is DrawStitchingRectangle)
                {
                    name = PdnResources.GetString("Menu.LabelAction.DrawRectangle.Text");
                }
                else if (draw is DrawStitchingPolygon)
                {
                    name = PdnResources.GetString("Menu.LabelAction.DrawPolygon.Text");
                }
                else
                {
                    name = PdnResources.GetString("Menu.LabelAction.DrawCircle.Text");
                }
                dgvRegionTeb.Rows.Add(i, name, draw.ColumnNum + "," + draw.RowNum, 0, area);

            }
        }

        private void ImageStitchingFocusDialog_Load(object sender, EventArgs e)
        {
            CameraManager.FrameCallback += CallbackDraw;
            rbtLowS.Checked = true;
            SpeedChangeClick(rbtLowS, null);
        }

        private void ImageStitchingFocusDialog_FormClosing(object sender, FormClosingEventArgs e)
        {
            CameraManager.FrameCallback -= CallbackDraw;
        }

        #region  Z operations
        private void btnContinuityUp_MouseDown(object sender, MouseEventArgs e)
        {
            m_stage.GoTop(true);
        }

        private void btnContinuityStop_MouseUp(object sender, MouseEventArgs e)
        {
            m_stage.LockZ();
        }

        private void btnContinuityLower_MouseDown(object sender, MouseEventArgs e)
        {
            m_stage.GoTop(false);
        }

        /// <summary>
        /// Z 微动距离
        /// </summary>
        double _stepping = 1.0;

        private void btnFixedUp_Click(object sender, EventArgs e)
        {
            m_stage.Up(_stepping);
        }

        private void btnFixedLower_Click(object sender, EventArgs e)
        {
            m_stage.Up(-_stepping);
        }

        private void SpeedChangeClick(object sender, EventArgs e)
        {
            if (sender == rbtLowS)
            {
                m_stage.SetSpeedZ(_lowSpeed);
            }
            if (sender == rbtHighS)
            {
                m_stage.SetSpeedZ(_highSpeed);
            }
        }
        #endregion

        #region Region Grid

        private DrawStithchingBase m_graphicsCurrent;
        private List<DrawStithchingBase> m_graphicsList;
        private List<Control> _labelList;
        private Label _selectLabel;

        private Dictionary<int, Dictionary<int, double>> _fittingMap;
        private Dictionary<int, double> _fittingList;
        private DataGridViewRow _selectRow;
        private Bitmap m_BitmapCurrent;

        private void dgvRegionTeb_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            if (e.RowIndex < 0) return;
            _selectRow = dgvRegionTeb.Rows[e.RowIndex];
            var select = m_graphicsList[e.RowIndex];
            _fittingMap.TryGetValue(e.RowIndex, out _fittingList);
            if (m_graphicsCurrent != select)
            {
                _labelList = new List<Control>();
                if (_fittingList == null)
                    _fittingList = new Dictionary<int, double>();
                BuildGrid(select);
                m_graphicsCurrent = select;
            }
        }

        private void BuildGrid(DrawStithchingBase drawobj)
        {
            var _rowN = drawobj.RowNum;
            var _columnN = drawobj.ColumnNum;
            int width = pnlGridRegion.Width / _columnN;
            int height = pnlGridRegion.Height / _rowN;
            int i = 0;
            pnlGridRegion.Controls.Clear();
            _labelList.Clear();
            for (int r = 0; r < _rowN; r++)
                for (int c = 0; c < _columnN; c++)
                {
                    Label label = new Label();
                    label.Width = width;
                    label.Height = height;
                    label.Location = new Point(width * c, r * height);
                    label.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
                    label.BackColor = System.Drawing.Color.White;
                    label.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
                    if (!(r % 2 == 0))
                        i = r * _columnN + _columnN - c - 1;
                    else
                        i = r * _columnN + c;
                    label.Tag = drawobj.GetViewPoints()[i];
                    label.MouseClick += Label_Click;
                    //label.DoubleClick += Label_DoubleClick;
                    pnlGridRegion.Controls.Add(label);
                    _labelList.Add(label);

                    if (_fittingList.ContainsKey(i))
                    {
                        label.BackColor = Color.Gold;
                        label.Text = _fittingList[i].ToString("f1");
                    }
                }
        }


        protected double ConvertPXToUm(double length)
        {
            return length * m_PxLength;
        }

        private void Label_Click(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                if (m_stage.IsMoving) return;
                //if (_selectLabel != null)
                //    _selectLabel.BorderStyle = BorderStyle.FixedSingle;

                _selectLabel = sender as Label;
                //_selectLabel.BorderStyle = BorderStyle.Fixed3D;
                PointF nextP = (PointF)(_selectLabel.Tag as Dictionary<int, object>)[0];
                var x = ConvertPXToUm(nextP.X);
                var y = ConvertPXToUm(nextP.Y);
                m_stage.To(x, y);
            }
            else if (e.Button == MouseButtons.Right)
            {
                var label = sender as Label;
                int i = _labelList.IndexOf(label);
                if (label.BackColor == Color.Gold)
                {
                    _fittingList.Remove(i);
                    label.BackColor = Color.White;
                    label.Text = "";
                }
                else
                {
                    _fittingList.Add(i, m_stage.Z);
                    label.BackColor = Color.Gold;
                    label.Text = m_stage.Z.ToString("f1");
                }
            }
        }

        #endregion

        #region Operate
        private void btnStartFocus_Click(object sender, EventArgs e)
        {
            new Task(new Action(() =>
            {
                try
                {
                    AutoFocusWorkflow.AutoFocus(m_stage, () => { return m_BitmapCurrent; });
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);
                }
            })).Start();
        }

        private void btnSaveOne_Click(object sender, EventArgs e)
        {
            CurvedSurface curvedSurface;
            bool result = Calculate(out curvedSurface);
            if (result)
            {
                _fittingMap.Add(_selectRow.Index, _fittingList);
                _selectRow.DefaultCellStyle.BackColor = Color.Lime;
            }
            else
            {
                _selectRow.DefaultCellStyle.BackColor = Color.Yellow;
            }
            ResultList[_selectRow.Index] = curvedSurface;
        }

        private bool Calculate(out CurvedSurface curvedSurface)
        {
            curvedSurface = null;
            if (_fittingList.Keys.Count < 3)
            {
                MessageBox.Show("Need at last 3 points.");
                return false;
            }
            var list = new List<CurvedSurfacePoint>();

            foreach (var item in _fittingList)
            {
                PointF nextP = (PointF)(_labelList[item.Key].Tag as Dictionary<int, object>)[0];
                var x = ConvertPXToUm(nextP.X);
                var y = ConvertPXToUm(nextP.Y);
                list.Add(new CurvedSurfacePoint(x, y, item.Value));
            }
            curvedSurface = new CurvedSurface();
            curvedSurface.Init(list);

            try
            {
                curvedSurface.CalPara();
            }
            catch
            { return false; }
            return true;
        }
        private void btnSetZ_Click(object sender, EventArgs e)
        {
            int i = _labelList.IndexOf(_selectLabel);
            if (_selectLabel.BackColor == Color.Gold)
            {
                _fittingList.Remove(i);
                _selectLabel.BackColor = Color.White;
                _selectLabel.Text = "";
            }
            else
            {
                _fittingList.Add(i, m_stage.Z);
                _selectLabel.BackColor = Color.Gold;
                _selectLabel.Text = m_stage.Z.ToString("f1");
            }
        }
        private void btnOk_Click(object sender, EventArgs e)
        {
            CallbackResult(ResultList);
            Close();
        }
        #endregion

    }
}