using System;
using System.Data;
using System.Data.SqlTypes;
using System.Reflection;
using System.Windows.Forms;
using System.Xml;

namespace WinFormDataGridViewDemo
{
    public partial class Form1 : Form
    {
        private static Boolean SaveFlag = true;
        private int diffcount = 0;
        //初始化
        public Form1()
        {

            InitializeComponent();

            // 初始化 DataGridView
            dataGridView1.ColumnCount = 4;
            dataGridView1.Columns[0].Name = "LayoutKey";
            dataGridView1.Columns[1].Name = "LayoutValue";
            dataGridView1.Columns[2].Name = "SecsKey";
            dataGridView1.Columns[3].Name = "SecsValue";

            
            //dataGridView1.Columns[3].Name = "SecsValue";
            dataGridView1.Columns[0].ReadOnly = true;
            dataGridView1.Columns[1].ReadOnly = true;
            dataGridView1.Columns[2].ReadOnly = true;
            dataGridView1.Columns[3].ReadOnly = false;
            dataGridView1.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.AllCells;
            dataGridView1.AllowUserToAddRows = false;
            dataGridView1.AllowUserToAddRows = true;
            LoadDataGrid();
            dataGridView1.Dock = DockStyle.Fill;
            tableLayoutPanel1.Dock = DockStyle.Fill;
            dataGridView1.RowPostPaint += dataGridView1_RowPostPaint;
            dataGridView1.CellFormatting += dataGridView1_CellFormatting;
            dataGridView1.AllowUserToAddRows = false;
            //dataGridView1.AlternatingRowsDefaultCellStyle.BackColor = System.Drawing.Color.LightGray;

            int w = 0;
            foreach (DataGridViewColumn item in dataGridView1.Columns)
            {
                w += item.Width;
            }
            dataGridView1.Width = w;

            int borderWidth = this.Width - this.ClientSize.Width;
            this.Width = dataGridView1.Width + borderWidth + 200;
        }
        //加载
        private void LoadDataGrid()
        {
            SaveFlag = true;
            var alramLayout = @"D:\iWISEETEC\ABN12\\AlarmLayout_Eng.xml";
            var alramSecsXml = @"D:\iWISEETEC\WSecsAgent\\SecsPar\\config\\yui.xml";
            if (!string.Empty.Equals(LayoutPath.Text))
            {
                alramLayout = LayoutPath.Text;
            }
            if (!string.Empty.Equals(AlarmPath.Text))
            {
                alramSecsXml = AlarmPath.Text;
            }
            var layoutResult = LoadAlarmLayoutXML(alramLayout);
            var secsResult = LoadAlarmSecsXML(alramSecsXml, out XmlDocument doc);

            dataGridView1.Rows.Clear();

            var mergedList = layoutResult.Select(kv => new
            {
                LayoutKey = kv.Key,
                LayoutValue = kv.Value,
                SecsKey = kv.Key,
                SecsValue = secsResult.ContainsKey(kv.Key) ? secsResult[kv.Key] : ""
            }).ToList();

            foreach (var item in mergedList)
            {
                dataGridView1.Rows.Add(item.LayoutKey, item.LayoutValue, item.SecsKey, item.SecsValue);
            }
            diffcount = 0;
            UpdateDiffCount();

        }

        // 覆盖选中行
        private void btnCoverRow_Click(object sender, EventArgs e)
        {
            foreach (DataGridViewRow row in dataGridView1.SelectedRows)
            {
                if (row.IsNewRow) continue;
                var name = row.Cells[1].Value?.ToString();
                row.Cells[3].Value = name;
            }
            if (dataGridView1.CurrentRow != null)
            {
                var rowIndex = dataGridView1.CurrentRow.Index;
                var code = dataGridView1.Rows[rowIndex].Cells[0].Value?.ToString();
                var name = dataGridView1.Rows[rowIndex].Cells[1].Value?.ToString();

                dataGridView1.Rows[rowIndex].Cells[3].Value = name;
                SaveFlag = false;
            }

            UpdateDiffCount();
        }

        // 覆盖全部行
        private async void btnCoverAll_Click(object sender, EventArgs e)
        {
            var rowCount = dataGridView1.Rows.Count;
            Cursor = Cursors.WaitCursor;
            //progressBar1.Minimum = 0;
            panel3.Enabled = false;
            progressBar1.Value = 0;
            progressBar1.Maximum = diffcount;
            progressBar1.Visible = true;
            var index = 0;
            await Task.Run(() =>
            {
                foreach (DataGridViewRow row in dataGridView1.Rows)
                {
                    var leftValue = row.Cells[1].Value.ToString();
                    if ("" == leftValue)
                    {
                        continue;
                    }
                    var rightValue = row.Cells[3].Value.ToString();
                    if (leftValue == rightValue)
                    {
                        continue;
                    }
                    Invoke(() =>
                    {
                        index++;
                        return row.Cells[3].Value = leftValue;
                    });

                    SaveFlag = false;
                    
                    Invoke(() => {
                        progressBar1.Value += 1;
                    });
                }
                diffcount -= index;
                Invoke(SetDiffCountText);
            });
            progressBar1.Value = 0;
            panel3.Enabled = true;
            this.Cursor = Cursors.Default;
            MessageBox.Show($"已覆盖 {index} 行,请点击【保存】写入XML");
 
         }

        //行号
        private void dataGridView1_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e)
        {
            string rowNumber = (e.RowIndex + 1).ToString();

            var headerBounds = new Rectangle(
                e.RowBounds.Left,
                e.RowBounds.Top,
                dataGridView1.RowHeadersWidth,
                e.RowBounds.Height);

            TextRenderer.DrawText(
                e.Graphics,
                rowNumber,
                dataGridView1.Font,
                headerBounds,
                SystemColors.ControlText,
                TextFormatFlags.VerticalCenter | TextFormatFlags.Right
            );
        }
        //差异高亮
        private void dataGridView1_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
        {
            if (e.ColumnIndex == 3 && e.RowIndex >= 0)
            {
                if (dataGridView1.Rows[e.RowIndex].Cells[1].Value?.ToString() != dataGridView1.Rows[e.RowIndex].Cells[3].Value?.ToString())
                {
                    //dataGridView1.Rows[e.RowIndex].DefaultCellStyle.BackColor = Color.FromArgb(255, 182, 193);
                    dataGridView1.Rows[e.RowIndex].DefaultCellStyle.BackColor = Color.FromArgb(255, 200, 200);
                    dataGridView1.Rows[e.RowIndex].DefaultCellStyle.ForeColor = Color.White;
                }
                else
                {
                    dataGridView1.Rows[e.RowIndex].DefaultCellStyle.BackColor = dataGridView1.DefaultCellStyle.BackColor;
                    dataGridView1.Rows[e.RowIndex].DefaultCellStyle.ForeColor = dataGridView1.DefaultCellStyle.ForeColor;
                }

            }

        }
        //统计差异
        private void UpdateDiffCount()
        {
            if (diffcount != 0) diffcount = 0;
            var map = new Dictionary<string, int>();
            foreach (DataGridViewRow row in dataGridView1.Rows)
            {
                if (row.IsNewRow) continue;

                if (!(row.Cells[1].Value.ToString() == row.Cells[3].Value?.ToString()))
                {
                    diffcount++;
                }
            }
            SetDiffCountText();
        }
        //保存
        private void SaveAlarm(object sender, EventArgs e)
        {
            if (SaveFlag)
            {
                MessageBox.Show("未修改无需保存!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                return;
            }
            string alramSecsXml = @"D:\iWISEETEC\WSecsAgent\SecsPar\config\yui.xml";

            if (!File.Exists(alramSecsXml))
            {
                MessageBox.Show("Secs XML 文件不存在！");
                return;
            }

            XmlDocument doc = new XmlDocument();
            doc.Load(alramSecsXml);

            XmlNode root = doc.DocumentElement;
            if (root == null)
            {
                MessageBox.Show("XML 根节点不存在！");
                return;
            }

            XmlNodeList nodes = doc.SelectNodes("//Item");
            Dictionary<int, XmlNode> nodeDict = new Dictionary<int, XmlNode>();

            if (nodes != null)
            {
                foreach (XmlNode node in nodes)
                {
                    if (node.Attributes?["Code"] != null &&
                        int.TryParse(node.Attributes["Code"].Value, out int code))
                    {
                        nodeDict[code] = node;
                    }
                }
            }

            foreach (DataGridViewRow row in dataGridView1.Rows)
            {
                if (row.IsNewRow) continue;

                if (int.TryParse(row.Cells[2].Value?.ToString(), out int key))
                {
                    string newValue = row.Cells[3].Value?.ToString() ?? "";

                    if (nodeDict.ContainsKey(key))
                    {
                        // 修改
                        nodeDict[key].Attributes["Name"].Value = newValue;
                        //Description可能不存在
                        if (nodeDict[key].Attributes["Description"] != null)
                        {
                            nodeDict[key].Attributes["Description"].Value = newValue;

                        }

                    }
                    else
                    {
                        // 新增
                        XmlElement newNode = doc.CreateElement("Item");
                        XmlAttribute codeAttr = doc.CreateAttribute("Code");
                        XmlAttribute UnitAttr = doc.CreateAttribute("Unit");
                        XmlAttribute LevelAttr = doc.CreateAttribute("Level");
                        XmlAttribute nameAttr = doc.CreateAttribute("Name");
                        XmlAttribute descriptionAttr = doc.CreateAttribute("Description");
                        XmlAttribute HowToAttr = doc.CreateAttribute("HowTo");

                        codeAttr.Value = key.ToString();
                        UnitAttr.Value = "00";
                        LevelAttr.Value = "W";
                        nameAttr.Value = newValue;
                        descriptionAttr.Value = newValue;
                        HowToAttr.Value = "";

                        newNode.Attributes.Append(codeAttr);
                        newNode.Attributes.Append(UnitAttr);
                        newNode.Attributes.Append(LevelAttr);
                        newNode.Attributes.Append(nameAttr);
                        newNode.Attributes.Append(descriptionAttr);
                        newNode.Attributes.Append(HowToAttr);

                        root.AppendChild(newNode);
                    }
                }
            }

            doc.Save(alramSecsXml);
            MessageBox.Show("保存成功！");
            LoadDataGrid();
        }
        //加载xml
        private Dictionary<int, string> LoadAlarmLayoutXML(string path)
        {
            Dictionary<int, string> result = new Dictionary<int, string>();
            string xmlContent = File.ReadAllText(path);
            XmlDocument doc = new XmlDocument();
            doc.LoadXml(xmlContent);

            XmlNodeList nodes = doc.SelectNodes("//wAlarmLayout");
            foreach (XmlNode node in nodes)
            {
                int erCode = int.Parse(node["erCode"].InnerText);
                string msg = node["Msg"]?.InnerText ?? "";

                result[erCode] = msg;

            }
            return result;
        }
        //加载xml
        private Dictionary<int, string> LoadAlarmSecsXML(string path, out XmlDocument doc)
        {
            var result = new Dictionary<int, string>();
            doc = new XmlDocument();

            doc.Load(path);

            XmlNodeList nodes = doc.SelectNodes("//Item");
            if (nodes == null) return result;

            foreach (XmlNode node in nodes)
            {
                if (node.Attributes == null) continue;

                string codeStr = node.Attributes["Code"]?.Value;
                string name = node.Attributes["Name"]?.Value ?? "";

                if (int.TryParse(codeStr, out int code))
                {
                    result[code] = name;
                }
            }

            return result;
        }
        //重载 reloadXml
        private void reloadXml(object sender, EventArgs e)
        {
            LoadDataGrid();
            MessageBox.Show($"重新加载成功！", "Information", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);

        }
        //加载LayoutXml路径
        private void OpenLayoutXml_Click(object sender, EventArgs e)
        {
            if (this.openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                this.LayoutPath.Text = this.openFileDialog1.FileName;
                LoadDataGrid();
            }

        }
        //加载SecsAlarm路径
        private void SecsAlarm_Click(object sender, EventArgs e)
        {
            if (this.openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                this.AlarmPath.Text = this.openFileDialog1.FileName;
                LoadDataGrid();
            }
        }
        //设置lab内容
        private void SetDiffCountText()
        {
            this.DiffCountLab.Text = $"差异数量:{diffcount}";
        }
        //鼠标点击事件

         
    }
}