using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlTypes;
using System.Drawing;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using static System.Windows.Forms.VisualStyles.VisualStyleElement;
using GenerateClass.Util;
using System.Xml.Linq;
using JinianNet.JNTemplate;

namespace GenerateClass
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            this.txt_tablename.Items.AddRange(DbUtil.GetTableName().ToArray());
            this.txt_tablename.TextUpdate += (childSender, childE) => {
                string str = this.txt_tablename.Text;              //获取输入内容
                List<string> sList = DbUtil.GetTableName(str);    //存放数据库查询结果
               //提前下拉，以显示搜索结果（必须要在添加项之前下拉，否则会将第一项自动添加到编辑框内 覆盖掉输入的内容）
                this.txt_tablename.DroppedDown = true;      //显示下拉列表，但是显示后鼠标指针就不见了
                Cursor.Current = Cursors.Default;            //将指针显示出来                                             
                //在表中已录入名字中寻找包含输入内容的项  有则添加到comboBox项中 
                this.txt_tablename.Items.Clear();
                this.txt_tablename.Items.AddRange(sList.ToArray());
                this.txt_tablename.Select(this.txt_tablename.Text.Length, 0);
            };
            Engine.Configure((options) => {
                options.OutMode = OutMode.Auto;
            });
        }
        private void button1_Click(object sender, EventArgs e)
        {
            fillTemplate();
        }

        private void fillTemplate()
        {
            string tbname = txt_tablename.Text.Trim();//要生成的表名
            string namespaceName = namespace_name.Text.Trim();//名称空间名称
            DataTable dt = null;
            if (textBox3.Text.Trim() == "")
            {
                dt = DbUtil.GetDbTableInfo(tbname);
            }
            else
            {
                dt = DbHelperMySQL.Query(textBox3.Text.Trim());
            }
            List<Dictionary<string, string>> filedInfos = new List<Dictionary<string, string>>();
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                var dict = new Dictionary<string, string>();
                var Name = dt.Rows[i]["Name"].ToString();
                var COMMENT = dt.Rows[i]["COMMENT"].ToString();
                var KeyType = dt.Rows[i]["KeyType"].ToString();
                var Nullable = dt.Rows[i]["Nullable"].ToString();
                Type type = DbUtil.DbTypeStr_To_CsharpType(dt.Rows[i]["Type"].ToString());
                dict["sql_field_name"] = Name;
                dict["field_name"] = DbUtil.ToCamelCase(Name);
                dict["type_name"] = type.Name;
                dict["comment"] = COMMENT;
                dict["is_primary_key"] = (String.IsNullOrEmpty(KeyType) ? "false" : "true");
                dict["is_nullable"] = (String.IsNullOrEmpty(KeyType) && !("NULL".Equals(Nullable)) ? "true" : "false");
                filedInfos.Add(dict);
            }
            using (StreamReader reader = new StreamReader(@".\Template\ModelFile.template"))
            {
                string fileContent = reader.ReadToEnd();
                var template = Engine.CreateTemplate(fileContent);
                template.Set("namespace_name", namespaceName);
                template.Set("table_comment", DbUtil.GetTableComment(tbname));
                template.Set("sql_table_name", DbUtil.GenerateClassName(tbname));
                template.Set("table_name", tbname);
                template.Set("filedInfos", filedInfos);
                template.SetStaticType("string", typeof(string));
                var result = template.Render();
                this.txt_ret.Text = result;
                DbUtil.openFile(tbname, result);
            }

        }

        private void fillStr() {
            //string constr = txt_constr.Text.Trim();//数据库链接字符串
            txt_ret.Text = "";
            string tbname = txt_tablename.Text.Trim();//要生成的表名
            if (tbname.Equals("请选择") || tbname.Equals(""))
            {
                MessageBox.Show("请选择表");
                return;
            };
            string namespaceName = namespace_name.Text.Trim();
            DataTable dt = null;
            if (textBox3.Text.Trim() == "")
            {
                dt = DbUtil.GetDbTableInfo(tbname);
            }
            else
            {
                dt = DbHelperMySQL.Query(textBox3.Text.Trim());
            }
            var infoStr = "";
            infoStr += "using System;\n" +
                            "using NCA_MES_Models.CommonUtils.DB.DBAttribute;\n\n";
            infoStr += $"namespace {namespaceName} \n{{\n\n";
            infoStr += "\t/// <summary>" + "\n" +
                            $"\t/// {DbUtil.GetTableComment(tbname)}\n" +
                            "\t/// </summary>" + "\n" +
                            $"\t[TableName(\"{tbname}\")]\n" +
                            $"\tpublic class  {DbUtil.GenerateClassName(tbname)}: DBBaseModel<{DbUtil.GenerateClassName(tbname)}>\n\t{{";
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                var Name = dt.Rows[i]["Name"].ToString();
                var Type = dt.Rows[i]["Type"].ToString();
                var IsNullable = dt.Rows[i]["COMMENT"].ToString();
                var KeyType = dt.Rows[i]["KeyType"].ToString();
                var Nullable = dt.Rows[i]["Nullable"].ToString();
                Type type = DbUtil.DbTypeStr_To_CsharpType(Type);
                infoStr += "\t\n\n\t" + "/// <summary>" +
                                "\t\n\t" + $"///{IsNullable}" +
                                "\t\n\t" + "/// </summary>" +
                                (String.IsNullOrEmpty(KeyType) ? "" : "\n\t[TableId]") +
                                (String.IsNullOrEmpty(KeyType) && !("NULL".Equals(Nullable)) ? "\n\t[NotEmpty]" : "") +
                                "\t\n\t" + $"[TableField(\"{Name}\",\"{IsNullable}\")]" +
                                "\t\n\t" + $"public {type.Name} {DbUtil.ToCamelCase(Name)}  {{ get; set; }}";
                //加注释记得引用using
            }
            infoStr += "\n\t}";
            infoStr += "\n}";
            this.txt_ret.Text = infoStr;
            DbUtil.openFile(tbname, infoStr);
        }

        private void button2_Click(object sender, EventArgs e)
        {
            string tbname = txt_tablename.Text.Trim();//要生成的表名
            if (tbname.Equals("请选择") || tbname.Equals(""))
            {
                MessageBox.Show("请选择表");
                return;
            };
            DataTable dt = null;
            if (textBox3.Text.Trim() == "")
            {
                dt = DbUtil.GetDbTableInfo(tbname);
            }
            else
            {
                dt = DbHelperMySQL.Query(textBox3.Text.Trim());
            }
            string uidatagridview = textBox2.Text.Trim();
            textBox1.Text = "";
            textBox1.Text += $"DataTable data = DbHelperMySQL.Query(\"select * from {tbname}\");\n";
            textBox1.Text += "this."+ uidatagridview + ".DataSource = new BindingSource {DataSource = data};\n";
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                var Name = dt.Rows[i]["Name"].ToString();
                textBox1.Text += $"var {Name}Column = {uidatagridview}.Columns[\"{Name}\"];\n";
            }
            
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                var Name = dt.Rows[i]["Name"].ToString();
                var IsNullable = dt.Rows[i]["COMMENT"].ToString();
                textBox1.Text += $"{Name}Column.HeaderText = \"{IsNullable}\";\n";
            }

            textBox1.Text += $" {uidatagridview}.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.ColumnHeader;\n";
            textBox1.Text += $" {uidatagridview}.AutoGenerateColumns = true;\n";
           // textBox1.Text += $" {uidatagridview}.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;\n";
        }

        private void button3_Click(object sender, EventArgs e)
        {
            string tbname = txt_tablename.Text.Trim();//要生成的表名
            if (tbname.Equals("请选择") || tbname.Equals(""))
            {
                MessageBox.Show("请选择表");
                return;
            };
            DataTable dt = null;
            if (textBox3.Text.Trim() == "")
            {
                dt = DbUtil.GetDbTableInfo(tbname);
            }
            else {
                dt = DbHelperMySQL.Query(textBox3.Text.Trim());
            }
            string uidatagridview = textBox2.Text.Trim();
            textBox1.Text = $"this.{uidatagridview}.AutoGenerateColumns = false;";
            textBox1.Text += $" string sql = $\"SELECT column_name, column_comment from information_schema.COLUMNS   where table_name = '{tbname}' ORDER BY ORDINAL_POSITION; \";\r\n" +
                             $" DataTable dt = DbHelperMySQL.Query(sql);\n";
            textBox1.Text += "List<DataGridViewColumn> cols = new List<DataGridViewColumn>();\n";
            textBox1.Text += "for (int i = 0; i < dt.Rows.Count; i++){\n" +
                             " DataGridViewTextBoxColumn temp = new DataGridViewTextBoxColumn();\n" +
                             "temp.Name = dt.Rows[i][0].ToString();\n" +
                             "temp.HeaderText = dt.Rows[i][1].ToString();\n" +
                             "temp.DataPropertyName= dt.Rows[i][0].ToString();\n" +
                             "cols.Add(temp);" +
                             "}\n";
            textBox1.Text += "DataGridViewButtonColumn editBtn = new DataGridViewButtonColumn();\r\n" +
                                "editBtn.HeaderText = \"编辑\";\r\n" +
                                "editBtn.Name = \"editBtn\";\r\n" +
                                "editBtn.Text = \"编辑\";\r\n" +
                                "editBtn.UseColumnTextForButtonValue = true;\r\n" +
                                "editBtn.Frozen = true;\n";
            textBox1.Text += " DataGridViewButtonColumn addBtn = new DataGridViewButtonColumn();\r\n" +
                            "addBtn.HeaderText = \"新增\";\r\n" +
                            "addBtn.Name = \"addBtn\";\r\n" +
                            "addBtn.Text = \"新增\";\r\n" +
                            "addBtn.UseColumnTextForButtonValue = true;\r\n" +
                            "addBtn.Frozen = true;\n ";
            textBox1.Text += "cols.Add(editBtn);\n     cols.Add(addBtn);\n";
            textBox1.Text += "if (cols.Last().Frozen)\r\n" +
                            "{\r\n " +
                            $"this.{uidatagridview}.RightToLeft = RightToLeft.Yes;\r\n" +
                            "cols.Reverse();\r\n" +
                            "}\r\n" +
                            $"this.{uidatagridview}.Columns.AddRange(cols.ToArray());\r\n\r\n" +
                            $"if (this.{uidatagridview}.Columns.Count > 0)\r\n" +
                            $"this.{uidatagridview}.FirstDisplayedScrollingColumnIndex = this.{uidatagridview}.Columns.Count - 2;\n";
            textBox1.Text += $" {uidatagridview}.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.ColumnHeader;\n";
            textBox1.Text += $"DataTable data = DbHelperMySQL.Query(\"select * from {tbname}\");\n";
            textBox1.Text += $"this.{uidatagridview}.DataSource = data;\n";
        }

        private void button4_Click(object sender, EventArgs e)
        {
            string tbname = txt_tablename.Text.Trim();//要生成的表名
            if (tbname.Equals("请选择") || tbname.Equals(""))
            {
                MessageBox.Show("请选择表");
                return;
            };
            DataTable dt = null;
            if (textBox3.Text.Trim() == "") dt = DbUtil.GetDbTableInfo(tbname);
            else dt = DbHelperMySQL.Query(textBox3.Text.Trim());
            string uidatagridview = textBox2.Text.Trim();
            textBox1.Text = $"this.{uidatagridview}.AutoGenerateColumns = false;";
            textBox1.Text += "List<DataGridViewColumn> cols = new List<DataGridViewColumn>();\n\n";
            var list = new List<string>();
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                var Name = dt.Rows[i]["Name"].ToString();
                var IsNullable = dt.Rows[i]["COMMENT"].ToString();
                Type type = DbUtil.DbTypeStr_To_CsharpType(dt.Rows[i]["Type"].ToString());
                if(type.Name== "DateTime") list.Add(Name);
                textBox1.Text += $"DataGridViewTextBoxColumn {Name}Cloumn = new DataGridViewTextBoxColumn();\n";
                textBox1.Text += $"{Name}Cloumn.Name = \"{Name}\";" +
                                 $"{Name}Cloumn.HeaderText =\"{IsNullable}\";" +
                                 $"{Name}Cloumn.DataPropertyName = \"{Name}\";" +
                                 $"cols.Add({Name}Cloumn);\n\n";
            }
            /*            textBox1.Text += "DataGridViewButtonColumn editBtn = new DataGridViewButtonColumn();\r\n" +
                              "editBtn.HeaderText = \"编辑\";\r\n" +
                              "editBtn.Name = \"editBtn\";\r\n" +
                              "editBtn.Text = \"编辑\";\r\n" +
                              "editBtn.UseColumnTextForButtonValue = true;\r\n" +
                              "editBtn.Frozen = true;\n";
            textBox1.Text += " DataGridViewButtonColumn addBtn = new DataGridViewButtonColumn();\r\n" +
                              "addBtn.HeaderText = \"新增\";\r\n" +
                              "addBtn.Name = \"addBtn\";\r\n" +
                              "addBtn.Text = \"新增\";\r\n" +
                              "addBtn.UseColumnTextForButtonValue = true;\r\n" +
                              "addBtn.Frozen = true;\n ";
            textBox1.Text += "cols.Add(editBtn);\n     cols.Add(addBtn);\n";
            textBox1.Text += "if (cols.Last().Frozen)\r\n" +
                            "{\r\n " +
                            $"this.{uidatagridview}.RightToLeft = RightToLeft.Yes;\r\n" +
                            "cols.Reverse();\r\n" +
                            "}\r\n" +
                            $"this.{uidatagridview}.Columns.AddRange(cols.ToArray());\r\n\r\n" +
                            $"if (this.{uidatagridview}.Columns.Count > 0)\r\n" +
                            $"this.{uidatagridview}.FirstDisplayedScrollingColumnIndex = this.{uidatagridview}.Columns.Count - 2;\n";*/
            textBox1.Text += $" {uidatagridview}.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.ColumnHeader;\n";
            textBox1.Text += $"DataTable data = DbHelperMySQL.Query(\"select * from {tbname}\");\n";
            textBox1.Text += $"this.{uidatagridview}.DataSource = data;\n";
            if (list.Count > 0)
            {
                textBox1.Text += $@"           
            DateTimePicker dtp = new DateTimePicker();
            convertBeginDgv.Controls.Add(dtp);
            dtp.Visible = false;
            dtp.TextChanged  += (sender, e) => convertBeginDgv.CurrentCell.Value = dtp.Value.ToString(""yyyy-MM-dd"");
            dtp.CloseUp += (sender, e) => dtp.Visible = false;
            convertBeginDgv.CellClick += (sender, e) => {{
                if (e.ColumnIndex == -1 || e.RowIndex == -1) return;
                DataGridView dgv  = (sender as DataGridView);
                if (new List<string>() {{
                   {DbUtil.joinList(list)}
                }}.Contains(dgv.Columns[e.ColumnIndex].Name))
                {{
                    var _Recatngle = dgv.GetCellDisplayRectangle(e.ColumnIndex, e.RowIndex, true);
                    dtp.Size = _Recatngle.Size;
                    dtp.Location = _Recatngle.Location;
                    dtp.Visible = true;
                }}
                else dtp.Visible = false;
            }};
            convertBeginDgv.Scroll += (sender, e) => dtp.Visible = false;
            convertBeginDgv.SizeChanged += (sender, e) => {{ if (dtp.Visible) dtp.Visible = false; }};";
            }

        }

    }
}