using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Windows.Forms;

namespace GeoSigma.UCDraw.WellAndSection
{
    public partial class FrmWellDataEdit : CResizeForm
    {
        public string[] mEnColNames;  //英文列名称
        public string[] mColsName;
        public DataTable mDatas;
        public DataTable originDatas;
        public string strJsonData = "";
        public bool m_IsModified = false;
        public FrmWellDataEdit()
        {
            InitializeComponent();
            
            _designSize = new Size(this.Size.Width, this.Size.Height);
            StoreOriginalStates(this.Controls);

            mColsName = new string[0];
            mDatas = new DataTable();

            WellDataGridView.EnableHeadersVisualStyles = false;
            WellDataGridView.ColumnHeadersDefaultCellStyle.BackColor = Color.AliceBlue;
            WellDataGridView.RowHeadersDefaultCellStyle.BackColor = Color.Azure;

            WellDataGridView.ContextMenuStrip = this.ctmMenuWellTrackData;
        }
        void CurrentDataTable_DeleteRow(object sender, DataRowChangeEventArgs e)
        {
            m_IsModified = true;
        }

        void CurrentDataTable_RowChanged(object sender, DataRowChangeEventArgs e)
        {
            if (e.Action == DataRowAction.Change)
            {
                m_IsModified = true;
            }
        }

        void CurrentDataTable_RowModified(object sender, DataRowChangeEventArgs e)
        {
            m_IsModified = true;
        }

        void CurrentDataTable_TableNewRow(object sender, DataTableNewRowEventArgs e)
        {
            m_IsModified = true;
        }

        public void SetData(string[] colNames, string[] colNamesCH, string[,] datas)
        {
            mDatas.Clear();

            mEnColNames = new string[colNames.Length];
            for (int i = 0; i < colNames.Length; i++)
            {
                mEnColNames[i] = colNames[i];
            }
            for (int i = 0; i < colNamesCH.Length; i++)
            {
                DataColumn col = new DataColumn(colNamesCH[i], typeof(string));
                mDatas.Columns.Add(col);
            }

            for (int i = 0; i < datas.GetLength(0); i++)
            {
                DataRow dr = mDatas.NewRow();
                for (int j = 0; j < datas.GetLength(1); j++)
                {
                    dr[j] = datas[i, j];
                }
                mDatas.Rows.Add(dr);
            }

            mDatas.RowChanged += CurrentDataTable_RowChanged;
            mDatas.RowDeleted += CurrentDataTable_RowModified;
            mDatas.TableNewRow += CurrentDataTable_TableNewRow;
            mDatas.RowDeleted += CurrentDataTable_DeleteRow;
            originDatas = mDatas;
        }

        private void FrmWellDataEdit_Shown(object sender, EventArgs e)
        {
            WellDataGridView.DataSource = mDatas.DefaultView;
        }

        private void FrmWellDataEdit_Load(object sender, EventArgs e)
        {

        }

        private void FrmWellDataEdit_FormClosed(object sender, FormClosedEventArgs e)
        {
            //DataTable changes = mDatas.GetChanges();

            //if(changes != null)
            //{
            //    //foreach( DataRow row in changes.Rows)
            //    //{
            //    //    if(row.RowState == DataRowState.Deleted)
            //    //    {
            //    //        m_IsModified = true;
            //    //    }
            //    //    else if( row.RowState == DataRowState.Modified)
            //    //    {
            //    //        m_IsModified = true;
            //    //    }
            //    //    else if( row.RowState == DataRowState.Added)
            //    //    {
            //    //        m_IsModified = true;
            //    //    }
            //    //}
            //}
        }

        private void FrmWellDataEdit_FormClosing(object sender, FormClosingEventArgs e)
        {

        }

        private void BtnAddRow_Click(object sender, EventArgs e)
        {
            DataRow newRow = mDatas.NewRow();
            mDatas.Rows.Add(newRow);
            WellDataGridView.Refresh();

            int lastRow = WellDataGridView.RowCount - 1;
            WellDataGridView.FirstDisplayedScrollingRowIndex = lastRow;
        }

        private void BtnDelRow_Click(object sender, EventArgs e)
        {
            if (WellDataGridView.SelectedRows == null || WellDataGridView.SelectedRows.Count == 0)
            {
                MessageBox.Show("请先选择需要删除的数据行");
            }
            else
            {
                List<DataRow> rowsToDelete = new List<DataRow>();
                foreach (DataGridViewRow row in WellDataGridView.SelectedRows)
                {
                    if (row.IsNewRow)
                        continue;

                    DataRowView rowView = (DataRowView)row.DataBoundItem;
                    rowsToDelete.Add(rowView.Row);
                }
                foreach (DataRow row in rowsToDelete)
                {
                    mDatas.Rows.Remove(row);
                }
                WellDataGridView.Refresh();
                //   m_IsModified = true;
            }
        }

        private void RemoveEmptyRows(DataTable dataTable)
        {
            List<DataRow> rowsToRemove = new List<DataRow>();

            foreach (DataRow row in dataTable.Rows)
            {
                bool isEmpty = true;

                foreach (DataColumn col in dataTable.Columns)
                {
                    // 跳过自动生成的列（例如表达式列或自增列）可选
                    // if (col.AutoIncrement || col.Expression != null) continue;

                    object value = row[col];
                    if (value != null && value != DBNull.Value && !string.IsNullOrWhiteSpace(value.ToString()))
                    {
                        isEmpty = false;
                        break;
                    }
                }

                if (isEmpty)
                {
                    rowsToRemove.Add(row);
                }
            }

            // 从 DataTable 中移除空行（必须在循环外删除，防止枚举修改异常）
            foreach (DataRow row in rowsToRemove)
            {
                row.Delete(); // 使用 Delete 而不是 Remove，以正确维护状态（尤其用于DataAdapter更新）
            }

            // 提交更改（可选，但建议）
            dataTable.AcceptChanges();
        }

        private void BtnOk_Click(object sender, EventArgs e)
        {
            RemoveEmptyRows(mDatas);

            JObject tjson = new JObject();
            JArray jsonColName = new JArray();

            for (int ii = 0; ii < mEnColNames.Length; ii++)
            {
                jsonColName.Add(mEnColNames[ii]);
            }
            tjson["columnName"] = jsonColName;

            JArray jsonData = new JArray();
            for (int ii = 0; ii < mDatas.Rows.Count; ii++)
            {
                DataRow rw = mDatas.Rows[ii];

                JArray jRow = new JArray();
                for (int jj = 0; jj < mEnColNames.Length; jj++)
                {
                    jRow.Add(rw[jj].ToString());
                }

                jsonData.Add(jRow);
            }
            tjson["data"] = jsonData;

            strJsonData = JsonConvert.SerializeObject(tjson);
        }

        private void PasteMenuItemWellDataDlg_Click(object sender, EventArgs e)
        {
            try
            {
                string clipText = Clipboard.GetText();
                if (string.IsNullOrEmpty(clipText))
                    return;

                int maxselId = GetMaxSelectedRowIndex(WellDataGridView);
                if (maxselId == -1)
                    maxselId = 0;

                string[] rows = clipText.Split(new[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries);
                for (int i = 0; i < rows.Length; i++)
                {
                    string tstr = rows[i];
                    tstr = tstr.TrimStart();
                    string[] values = tstr.Split(new[] { "\t", " ", ",", ";" }, StringSplitOptions.None);

                    int rcol = mDatas.Columns.Count;
                    if (rcol > values.Length)
                        rcol = values.Length;

                    DataRow newRow = mDatas.NewRow();
                    for (int j = 0; j < rcol; j++)
                        newRow[j] = values[j];

                    mDatas.Rows.InsertAt(newRow, maxselId);
                    maxselId++;
                }
                m_IsModified = true;
                WellDataGridView.Refresh();
            }
            catch (Exception ex)
            {
                MessageBox.Show($"粘贴失败:{ex.Message}");
            }
        }

        private void CopyMenuItemWellDataDlg_Click(object sender, EventArgs e)
        {
            if (WellDataGridView.SelectedRows == null || WellDataGridView.SelectedRows.Count == 0)
            {
                MessageBox.Show("请先选择数据行");
                return;
            }

            try
            {
                Clipboard.SetDataObject(WellDataGridView.GetClipboardContent());
            }
            catch (Exception ex)
            {

            }

        }

        public int GetMaxSelectedRowIndex(DataGridView dgv)
        {
            // 如果没有选中任何行或单元格
            if (dgv.SelectedRows.Count == 0 && dgv.SelectedCells.Count == 0)
            {
                return -1; // 返回-1表示未选中
            }

            // 获取选中行和选中单元格中的最大行号
            int maxFromRows = dgv.SelectedRows.Count > 0 ?
                dgv.SelectedRows.Cast<DataGridViewRow>().Max(r => r.Index) : -1;

            int maxFromCells = dgv.SelectedCells.Count > 0 ?
                dgv.SelectedCells.Cast<DataGridViewCell>().Max(c => c.RowIndex) : -1;

            // 返回两者中的较大值
            return Math.Max(maxFromRows, maxFromCells);
        }

        private void DelMenuItemWellDataDlg_Click(object sender, EventArgs e)
        {
            if (WellDataGridView.SelectedRows == null || WellDataGridView.SelectedRows.Count == 0)
            {
                MessageBox.Show("请先选择需要删除的数据行");
            }
            else
            {
                List<DataRow> rowsToDelete = new List<DataRow>();
                foreach (DataGridViewRow row in WellDataGridView.SelectedRows)
                {
                    if (row.IsNewRow)
                        continue;

                    DataRowView rowView = (DataRowView)row.DataBoundItem;
                    rowsToDelete.Add(rowView.Row);
                }
                foreach (DataRow row in rowsToDelete)
                {
                    mDatas.Rows.Remove(row);
                }
                WellDataGridView.Refresh();
                // m_IsModified = true;
            }
        }

        private void ClearMenuItemWellDataDlg_Click(object sender, EventArgs e)
        {
            mDatas.Clear();
            m_IsModified = true;
            this.WellDataGridView.Refresh();
        }

        private void WellDataGridView_MouseDown(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
            {

            }
        }

        private void FrmWellDataEdit_Resize(object sender, EventArgs e)
        {
            FrmResize(sender, e);
        }
    }
}