using DevExpress.XtraEditors.Repository;
using DevExpress.XtraVerticalGrid.Rows;
using GeoSigmaDrawLib;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Windows.Forms;
//using Dector = OutlineDetectionUtil;

namespace RiverPortray
{
    /// <summary>
    /// 河道刻画主窗体.
    /// </summary>
    public partial class FormMain : DevExpress.XtraEditors.XtraForm
    {
        /// <summary>
        /// 模块进程名称
        /// </summary>
        public static string ProcessName { get; set; } = "轮廓刻画";

        public EventHandler PushDataClick;

        private IntPtr pXy = IntPtr.Zero;
        private bool isSyncing = false;  // 用于防止事件循环
        private bool isUserClick = true;

        private double GridZMin = 0;
        private double GridZMax = 100;
        /// <summary>
        /// Initializes a new instance of the <see cref="FormMain"/> class.
        /// </summary>
        public FormMain()
        {
            InitializeComponent();
            this.Text = ProcessName;
            // Initialize the Qt Application (do not use DllMain for this)
            OutlineDetector.InitializeQtApplication();

            IntPtr hWin = pcbView.Handle;
            OutlineDetector.EmbedQtWidget(hWin);
        }
        /// <summary>
        /// Initializes a new instance of the <see cref="FormMain"/> class.
        /// </summary>
        /// <param name="pXy">The p xy.</param>
        public FormMain(IntPtr pXy)
            : this()
        {
            this.pXy = pXy;
        }
        /// <summary>
        /// 窗体加载事件.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void FormMain_Load(object sender, EventArgs e)
        {
            if(this.pXy != IntPtr.Zero)
            {
                double dXMin = 0;
                double dYMin = 0;
                double dStepX = 0;
                double dStepY = 0;
                double dZMin = 0;
                double dZMax = 0;
                int nNumX = 0;
                int nNumY = 0;
                long lpValue = 0;
                bool bSuccess = DrawerData.XyGetMeshData(this.pXy, ref dXMin, ref dYMin, ref nNumX, ref nNumY, ref dStepX, ref dStepY, ref lpValue, ref dZMin, ref dZMax);

                if (bSuccess)
                {
                    OutlineDetector.LoadGrid(nNumX, nNumY, dXMin, dYMin, dStepX, dStepY, lpValue, dZMin, dZMax);
                    this.loadParameters();
                }
            }
        }
        /// <summary>
        /// 窗体关闭事件.
        /// </summary>
        /// <param name="e">The e.</param>
        protected override void OnFormClosed(FormClosedEventArgs e)
        {
            // Clean up Qt Application when the WinForms application closes
            OutlineDetector.ShutdownQtApplication();
            base.OnFormClosed(e);
        }
        /// <summary>
        /// 打开文件事件.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void bbtnOpenFile_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.Filter = "*.dfg|*.dfg|*.keg|*.keg|*.*|*.*";
            ofd.RestoreDirectory = true;
            if(ofd.ShowDialog() == DialogResult.OK)
            {
                string strFile = ofd.FileName;
                bool bResult = OutlineDetector.LoadGridFile(strFile);
                if(bResult == true)
                {
                    loadParameters();
                }
            }
        }

        /// <summary>
        /// 加载参数信息.
        /// </summary>
        private void loadParameters()
        {
            isUserClick = false;
            if (this.bbtnViewColorful.Down == false)
            {
                this.bbtnViewColorful.Down = true;
            }
            FaciesParameter par = this.GetFaciesParameter();
            this.BindCaculatePara(par);

            GridParameter grdPar = GetGridParameter();
            this.propertyGridControl1.SelectedObject = grdPar;

            isUserClick = true;
        }

        /// <summary>
        /// 绑定计算参数.
        /// </summary>
        /// <param name="par">The par.</param>
        private void BindCaculatePara(FaciesParameter par)
        {
            isSyncing = true;
            this.txtZMin.Text = $"{par.ZMin:F4}";
            this.txtZMax.Text = $"{par.ZMax:F4}";
            double dZMin = 0;
            double dZMax = 0;
            if (OutlineDetector.GetSurfaceZRange(ref dZMin, ref dZMax))
            {
                this.GridZMin = dZMin;
                this.GridZMax = dZMax;
                trackZMin.Properties.Minimum = 0; // (int)dZMin;
                trackZMin.Properties.Maximum = 100;// (int)dZMax;
                trackZMin.Value = (int)((par.ZMin- this.GridZMin) / (this.GridZMax- this.GridZMin)*100);

                trackZMax.Properties.Minimum = 0;
                trackZMax.Properties.Maximum = 100;
                trackZMax.Value = (int)((par.ZMax - this.GridZMin) / (this.GridZMax - this.GridZMin) * 100);
            }

            int dDialatMax = 0;
            if (OutlineDetector.GetDilateMax(ref dDialatMax))
            {
                this.speDilate.Properties.MinValue = 0;
                this.speDilate.Properties.MaxValue = dDialatMax;
                this.speDilate.Value = 2;
            }

            this.txtAreaMin.Text = $"{par.AreaMin}";
            this.txtSmoothTimes.Text = $"{par.SmoothTimes}";
            isSyncing = false;
        }
        /// <summary>
        /// 窗体尺寸变化事件
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void pcbView_SizeChanged(object sender, EventArgs e)
        {
            // Resize the Qt widget to match the size of the panel
            OutlineDetector.ResizeQtWidget(pcbView.Width, pcbView.Height);
        }
        /// <summary>
        /// 原图按钮点击事件.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void bbtnViewColorful_DownChanged(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            if (bbtnViewColorful.Down && isUserClick == true)
            {
                OutlineDetector.ViewColorful();
            }
            this.bbtnPushBack.Enabled = bbtnCreateLines.Down;
            this.bbtnExportLines.Enabled = this.bbtnPushBack.Enabled;
        }
        /// <summary>
        /// 黑白图按钮点击事件.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void bbtnViewBlackWhite_DownChanged(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            this.ViewInBlackBlack();
            this.bbtnPushBack.Enabled = bbtnCreateLines.Down;
            this.bbtnExportLines.Enabled = this.bbtnPushBack.Enabled;
        }

        /// <summary>
        /// Views the in black black.
        /// </summary>
        private void ViewInBlackBlack()
        {
            if (bbtnViewBlackWhite.Down)
            {
                OutlineDetector.ViewBlackWhite();
            }
        }
        /// <summary>
        /// 生成轮廓线.
        /// </summary>
        private void ReCreateLines()
        {
            if (this.bbtnCreateLines.Down)
            {
                OutlineDetector.CreateLines();
            }
        }
        /// <summary>
        /// 生成刻画线事件.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void bbtnCreateLines_DownChanged(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            ReCreateLines();
            this.bbtnPushBack.Enabled = bbtnCreateLines.Down;
            this.bbtnExportLines.Enabled = this.bbtnPushBack.Enabled;
        }
        /// <summary>
        /// Gets the 刻画参数信息.
        /// </summary>
        /// <returns>A FaciesParameter.</returns>
        private FaciesParameter GetFaciesParameter()
        {
            FaciesParameter par = new FaciesParameter();
            par.ZMin= OutlineDetector.GetFaciesZMin();
            par.ZMax = OutlineDetector.GetFaciesZMax();
            par.Dilate = OutlineDetector.GetDilate();
            par.AreaMin = OutlineDetector.GetFaciesAreaMin();
            par.SmoothTimes = OutlineDetector.GetFaciesSmoothTimes();

            return par;
        }

        /// <summary>
        /// 获取网格信息.
        /// </summary>
        /// <returns>A GridParameter.</returns>
        private GridParameter GetGridParameter()
        {
            GridParameter par = new GridParameter();
            int xNum = 0;
            int yNum = 0;
            double deltaX = 0;
            double deltaY = 0;
            double zMin = 0;
            double zMax = 0;
            OutlineDetector.GetSurfaceParameter(ref xNum, ref yNum, ref deltaX, ref deltaY, ref zMin, ref zMax);
            par.XNum = xNum;
            par.YNum = yNum;
            par.DeltX = deltaX;
            par.DeltY = deltaY;
            par.ZMin = zMin;
            par.ZMax = zMax;
            return par;
        }

        /// <summary>
        /// properties the grid control1_ custom row created.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void propertyGridControl1_CustomRowCreated(object sender, DevExpress.XtraVerticalGrid.Events.CustomRowCreatedEventArgs e)
        {
            if(e.Row is PGridNumericEditorRow numRow)
            {
                // 创建并配置 RepositoryItemTextEdit
                RepositoryItemTextEdit textEdit = new RepositoryItemTextEdit();
                textEdit.DisplayFormat.FormatType = DevExpress.Utils.FormatType.Numeric;
                textEdit.DisplayFormat.FormatString = "F2";  // 保留两位小数，"F3" 表示保留三位小数

                textEdit.EditFormat.FormatType = DevExpress.Utils.FormatType.Numeric;
                textEdit.EditFormat.FormatString = "F2";  // 编辑时保留两位小数
                // 将 RepositoryItemTextEdit 赋给该行
                numRow.Properties.RowEdit = textEdit;
            }
            //if (e.Row.Properties.FieldName == "ZMin"
            //    || e.Row.Properties.FieldName == "ZMax")
            //{
            //    SetupRowZ(e.Row as PGridNumericEditorRow);
            //}
            //else if (e.Row.Properties.FieldName == "Dilate")
            //{
            //    int dDialatMax = 0;
            //    if (OutlineDetector.GetDilateMax(ref dDialatMax))
            //    {
            //        ((PGridNumericEditorRow)e.Row).MaxValue = dDialatMax;
            //    }
            //}
        }
        /// <summary>
        /// Setups the row z.
        /// </summary>
        /// <param name="row">The row.</param>
        protected void SetupRowZ(PGridNumericEditorRow row)
        {
            double dZMin = 0;
            double dZMax = 0;
            if (OutlineDetector.GetSurfaceZRange(ref dZMin, ref dZMax))
            {
                row.MinValue = -(int)dZMax;
                row.MaxValue = -(int)dZMin;

                //// 显式创建并设置 SpinEdit 编辑器
                //RepositoryItemSpinEdit spinEdit = new RepositoryItemSpinEdit
                //{
                //    MinValue = (decimal)dZMin,
                //    MaxValue = (decimal)dZMax
                //};
                // 显式创建并设置 TrackBar 编辑器
                RepositoryItemTrackBar trackBarEdit = new RepositoryItemTrackBar
                {
                    Minimum = (int)dZMin,  // TrackBar 只能接受整数
                    Maximum = (int)dZMax   // 设置负数范围的最大值
                };

                // 将自定义的 SpinEdit 分配给行
                row.Properties.RowEdit = trackBarEdit;

                row.ShowTrackBar = true;
            }
        }
        public class FixPGridNumericEditorRow: PGridNumericEditorRow
        {
            public FixPGridNumericEditorRow() : base()
            {

            }
            protected override Size CalcEditorSize()
            {
                if (!ShowTrackBar)
                {
                    return base.CalcEditorSize();
                }
                int nWidth = Math.Max(60, base.Grid.ViewInfo.ViewRects.ScrollableRectangle.Width / 5);
                return new Size(nWidth, base.Grid.OptionsView.MinRowAutoHeight);
            }
        }

        /// <summary>
        /// properties the grid control1_ custom property descriptors.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void propertyGridControl1_CustomPropertyDescriptors(object sender, DevExpress.XtraVerticalGrid.Events.CustomPropertyDescriptorsEventArgs e)
        {
                e.Properties = e.Properties.Sort(new string[] { "ZMin", "ZMax", "Dilate", "AreaMin", "SmoothTimes" });
        }

        /// <summary>
        /// txts the z min_ edit value changed.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void txtZMin_EditValueChanged(object sender, EventArgs e)
        {
            if(isSyncing == false)
            {
                isSyncing = true;// 防止事件循环
                double newValue;
                if (double.TryParse(txtZMin.Text, out newValue))
                {
                    // 设置 TrackBarControl 的值，且值必须在其范围内
                    if (newValue >= this.GridZMin && newValue <= this.GridZMax)
                    {

                        trackZMin.Value = (int)((newValue-this.GridZMin)/(this.GridZMax-this.GridZMin)*100);
                        OutlineDetector.SetFaciesZMin(newValue);
                        // 重新生成轮廓
                        ReCreateLines();
                        ViewInBlackBlack();
                    }
                }
                isSyncing = false;
            }
        }

        /// <summary>
        /// tracks the z min_ edit value changed.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void trackZMin_EditValueChanged(object sender, EventArgs e)
        {
            if (!isSyncing)
            {
                isSyncing = true;  // 防止事件循环
                double zValue = (trackZMin.Value / 100.0) * (this.GridZMax - this.GridZMin) + this.GridZMin;
                txtZMin.Text = zValue.ToString("F4");

                OutlineDetector.SetFaciesZMin(zValue);
                // 重新生成轮廓
                ReCreateLines();
                ViewInBlackBlack();
                isSyncing = false;
            }
        }

        /// <summary>
        /// txts the z max_ edit value changed.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void txtZMax_EditValueChanged(object sender, EventArgs e)
        {
            if (isSyncing == false)
            {
                isSyncing = true;// 防止事件循环
                double newValue;
                if (double.TryParse(txtZMax.Text, out newValue))
                {
                    // 设置 TrackBarControl 的值，且值必须在其范围内
                    if (newValue >= this.GridZMin && newValue <= this.GridZMax)
                    {
                        trackZMax.Value = (int)((newValue - this.GridZMin) / (this.GridZMax - this.GridZMin) * 100);
                        OutlineDetector.SetFaciesZMax(newValue);
                        this.ReCreateLines();
                        this.ViewInBlackBlack();
                    }
                }
                isSyncing = false;
            }
        }

        /// <summary>
        /// tracks the z max_ edit value changed.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void trackZMax_EditValueChanged(object sender, EventArgs e)
        {
            if (!isSyncing)
            {
                isSyncing = true;  // 防止事件循环
                double zValue = (trackZMax.Value / 100.0) * (this.GridZMax - this.GridZMin) + this.GridZMin;
                txtZMax.Text = zValue.ToString("F4");
                
                OutlineDetector.SetFaciesZMax(zValue);
                this.ReCreateLines();
                this.ViewInBlackBlack();
                isSyncing = false;
            }
        }

        /// <summary>
        /// 膨胀系数数据变化事件.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void speDilate_EditValueChanged(object sender, EventArgs e)
        {
            OutlineDetector.SetDilate((int)speDilate.Value);
            this.ReCreateLines();
        }

        /// <summary>
        /// 最小面积修改事件.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void txtAreaMin_EditValueChanged(object sender, EventArgs e)
        {
            double newValue;
            if (double.TryParse(txtAreaMin.Text, out newValue))
            {
                OutlineDetector.SetFaciesAreaMin(newValue);
                this.ReCreateLines();
            }
        }

        /// <summary>
        /// 平滑次数修改事件.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void txtSmoothTimes_EditValueChanged(object sender, EventArgs e)
        {
            int newValue;
            if (int.TryParse(txtSmoothTimes.Text, out newValue))
            {
                OutlineDetector.SetFaciesSmoothTimes(newValue);
                this.ReCreateLines();
            }
        }

        private void propertyGridControl1_CustomRecordCellEdit(object sender, DevExpress.XtraVerticalGrid.Events.GetCustomRowCellEditEventArgs e)
        {
            //var editor = e.RepositoryItem;
            //if(editor is RepositoryItemTextEdit textEdit)
            //{
            //    textEdit.DisplayFormat.FormatType = DevExpress.Utils.FormatType.Numeric;
            //    textEdit.DisplayFormat.FormatString = "F2";

            //    textEdit.EditFormat.FormatType = DevExpress.Utils.FormatType.Numeric;
            //    textEdit.EditFormat.FormatString = "F2";  // 编辑时保留两位小数
            //}
        }

        /// <summary>
        /// 导出轮廓线数据.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void bbtnExportLines_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            SaveFileDialog ofd = new SaveFileDialog();
            ofd.Filter = "*.kev|*.kev";
            ofd.RestoreDirectory = true;
            ofd.OverwritePrompt = true;
            if (ofd.ShowDialog() == DialogResult.OK)
            {
                // 调用C++函数获取字符串
                IntPtr messagePtr = OutlineDetector.GetContourData();
                // 将IntPtr转换为C#的字符串
                string message = Marshal.PtrToStringAnsi(messagePtr);
                OutlineDetector.DeletePointerArray(messagePtr);
                if (string.IsNullOrEmpty(message))
                {
                    MessageBox.Show("当前没有可以导出的数据！");
                    return;
                }
                DrawerData drawerData = new DrawerData();
                drawerData.AddBufferData(message);
                drawerData.SaveAs(ofd.FileName);
            }
        }

        /// <summary>
        /// 数据回写点击事件.
        /// </summary>
        /// <param name="sender">The sender.</param>
        /// <param name="e">The e.</param>
        private void bbtnPushBack_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
        {
            // 调用C++函数获取字符串
            //IntPtr messagePtr = OutlineDetector.GetContourData();
            IntPtr ptrPolygons = OutlineDetector.GetContourDataPtr();
            //// 将IntPtr转换为C#的字符串
            //string message = Marshal.PtrToStringAnsi(messagePtr);
            //OutlineDetector.DeletePointerArray(messagePtr);
            //if(!string.IsNullOrEmpty(message))
            if(ptrPolygons != IntPtr.Zero)
            {
                //DrawerData.XyAddPolygonTree(this.pXy, ptrPolygons, $"Layer M 轮廓线\r\n{message}");
                DrawerData.XyAddPolygonTree(this.pXy, ptrPolygons, $"轮廓线");
                this.PushDataClick?.Invoke(sender, e);
                MessageBox.Show("轮廓线已成功回写！");
            }
        }
    }
}