using ExcelNet;
using FastExcel;
using Syncfusion.Windows.Forms.Edit;
using Syncfusion.XlsIO;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using static System.Net.Mime.MediaTypeNames;



namespace Tool_API_Dokumentgenerator
{
  
    public partial class Form1 : Form
    {
        public class ControlState
        {
            public string Name { get; set; }
            public string Type { get; set; }
            public string Value { get; set; }
        }
        public Form1()
        {
            InitializeComponent();
        }
        string datapath = Properties.Settings.Default.Datapath;
        string inputdata = "";
        string tabelle1 = "";
        string tabelle2 = "";
        string tabelle3 = "";
        string tabelle4 = "";
        DataTable ExcelMapping = new DataTable();   
        private void start()
        {
            ExcelMapping.Columns.Clear();
            ExcelMapping.Columns.Add("Tag");
            ExcelMapping.Columns.Add("Excelspalte");
            ExcelMapping.TableName = "ExcelMappoing";
        }


        private void button2_Click(object sender, EventArgs e)
        {
            Generate(false);
        }
        private void button5_Click(object sender, EventArgs e)
        {
            System.IO.File.WriteAllText(datapath + txttextinput.Text, editControl1.Text);
            Generate(true);
        }
        private void Generate(bool demo) { 
            System.Data.DataTable importdata = new System.Data.DataTable();

            ExcelNet.ExcelReader reader = new ExcelNet.ExcelReader();
            string selected_sheetname = "";
            var sheets = new List<string>();
            try
            {
                sheets = reader.Get_ExcelSheets(datapath+txtexcelinput.Text);
            }
            catch
            {
                MessageBox.Show("Auf die gewählte Excel-Datei kann aktuell nicht zugegriffen werden. Evtl. ist diese noch geöffnet.", "Excel-Import", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            selected_sheetname = sheets[0];


            Import_sf_Excel(datapath+txtexcelinput.Text, selected_sheetname, ref importdata);
            DataView dv = new DataView(importdata ); dv.Sort = txtspalten.Text.Replace(";", ",");
            importdata.DefaultView.Sort = txtspalten.Text.Replace(";", ",");
            progressBarAdv1.Visible = true;
            string oldkey = "";
            int counter = 0;
            progressBarAdv1.Minimum = 0;
            progressBarAdv1.Maximum = dv.Count;
            progressBarAdv1.Value = 0;
            System.Windows.Forms.Application.DoEvents();
            foreach (DataRowView rowView in dv)
            {
                progressBarAdv1.Value++;
                DataRow row = rowView.Row;
                if (oldkey != row[txtdokumenttrenner.Text].ToString())
                {
                    if (counter > 0) 
                    { 
                        if (tabelle1 != "")
                        {
                            tabelle1= "<p><table>" + tabelle1 + "</table>";
                            inputdata = inputdata.Replace(txttag1.Text, tabelle1);
                            if (txtueberschrift1.Text != "") { inputdata = inputdata.Replace(txttagueberschrift1.Text, txtueberschrift1.Text); }
                        }
                        if (tabelle2 != "")
                        {
                            tabelle2 = "<p><table>" + tabelle2 + "</table>";
                            inputdata = inputdata.Replace(txttag2.Text, tabelle2);
                            if (txtueberschrift2.Text != "") { inputdata = inputdata.Replace(txttagueberschrift2.Text, txtueberschrift2.Text); }
                        }
                        if (tabelle3 != "")
                        {
                            tabelle3 = "<p><table>" + tabelle3 + "</table>";
                            inputdata = inputdata.Replace(txttag3.Text, tabelle3);
                            if (txtueberschrift3.Text != "") { inputdata = inputdata.Replace(txttagueberschrift3.Text, txtueberschrift3.Text); }
                        }
                        if (tabelle4 != "")
                        {
                            tabelle4 = "<p><table>" + tabelle4 + "</table>";
                            inputdata = inputdata.Replace(txttag4.Text, tabelle4);
                            if (txtueberschrift4.Text != "") { inputdata = inputdata.Replace(txttagueberschrift4.Text, txtueberschrift4.Text); }
                        }
                        if (tabelle1 == "" && txttag1.Text!="")
                            {
                            inputdata=inputdata.Replace(txttag1.Text,"");
                            inputdata=inputdata.Replace(txttagueberschrift1.Text, "");
                        }
                        if (tabelle2 == "" && txttag2.Text!="")
                        {
                            inputdata = inputdata.Replace(txttag2.Text, "");
                            inputdata = inputdata.Replace(txttagueberschrift2.Text, "");
                        }
                        if (tabelle3 == "" && txttag3.Text != "") 
                        {
                            inputdata = inputdata.Replace(txttag3.Text, "");
                            inputdata = inputdata.Replace(txttagueberschrift3.Text, "");
                        }
                        if (tabelle4 == "" && txttag4.Text != "")
                        {
                            inputdata = inputdata.Replace(txttag4.Text, "");
                            inputdata = inputdata.Replace(txttagueberschrift4.Text, "");
                        }

                        System.IO.File.WriteAllText(datapath+@"\output\"+this.txtname.Text+"_Data_" + oldkey + ".json", inputdata);
                        if (demo)
                        {
                            this.editControl2.Text = inputdata;
                            panel1.Visible = true;
                            panel1.Dock = DockStyle.Right;
                            editControl1.Visible = false;
                            return;
                    }
                    }

                    oldkey = row[txtdokumenttrenner.Text].ToString();
                    inputdata = System.IO.File.ReadAllText(datapath + txttextinput.Text);
                    tabelle1 = "";tabelle2 = "";tabelle3 = "";tabelle4 = "";
                    editControl1.Text=inputdata;
                    counter++;
                   
                }

                if (txttnr1.Text != "" && row["tabelle"].ToString() == txttnr1.Text)
                {
                    tabelle1 += "<row>" ;
                    string[] cols = txttabellenspalten.Text.Split(';');
                    for (int i = 0; i < cols.Length; i++)
                    {
                        tabelle1 = tabelle1 + "<col>" + row[cols[i]].ToString() + "</col>";
                    }
                    tabelle1 += "</row>" ;
                }
                if (txttnr2.Text != "" && row["tabelle"].ToString() == txttnr2.Text)
                {
                    tabelle2 += "<row>";
                    string[] cols = txttabellenspalten.Text.Split(';');
                    for (int i = 0; i < cols.Length; i++)
                    {
                        tabelle2 = tabelle2 + "<col>" + row[cols[i]].ToString() + "</col>";
                    }
                    tabelle2 += "</row>";
                }
                if (txttnr3.Text != "" && row["tabelle"].ToString() == txttnr2.Text)
                {
                    tabelle3 += "<row>" ;
                    string[] cols = txttabellenspalten.Text.Split(';');
                    for (int i = 0; i < cols.Length; i++)
                    {
                        tabelle3 = tabelle3 + "<col>" + row[cols[i]].ToString() + "</col>";
                    }
                    tabelle3 += "</row>";
                }
                if (txttnr4.Text != "" && row["tabelle"].ToString() == txttnr2.Text)
                {
                    tabelle4 += "<row>";
                    string[] cols = txttabellenspalten.Text.Split(';');
                    for (int i = 0; i < cols.Length; i++)
                    {
                        tabelle4 = tabelle4 + "<col>" + row[cols[i]].ToString() + "</col>";
                    }
                    tabelle4 += "</row>";
                }
                foreach (DataRow dr in ExcelMapping.Rows) 
                {
                    if (dr["Tag"].ToString() != "" && row[dr["Excelspalte"].ToString()] != "")
                    {
                        inputdata = inputdata.Replace(dr["Tag"].ToString(), row[dr["Excelspalte"].ToString()].ToString());
                    }
                }
            }
            progressBarAdv1.Visible = false;
        }
        private void Import_sf_Excel(string filename, string sheetname, ref System.Data.DataTable importdata)
        {
            ExcelEngine excelEngine = new ExcelEngine();
            IApplication application = excelEngine.Excel;
            IWorkbook workbook = application.Workbooks.Open(filename);
            IWorksheet sheet = workbook.Worksheets[sheetname];
            importdata = sheet.ExportDataTable(sheet.UsedRange, ExcelExportDataTableOptions.ColumnNames);
            sheet = null;
            workbook.Close();
            workbook = null;
            excelEngine = null;
        }

        private void txtspalten_TextChanged(object sender, EventArgs e)
        {

        }

        private void Form1_Load(object sender, EventArgs e)
        {
            start();
            sfDataGrid1.DataSource = ExcelMapping;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            SaveControlsToJson(this, datapath+txtname.Text+".json");
            ExcelMapping.AcceptChanges();
            ExcelMapping.WriteXml(datapath + txtname.Text + "_mapping.xml", XmlWriteMode.WriteSchema);
            System.IO.File.WriteAllText(datapath + txttextinput.Text,editControl1.Text);
        }

        private void button3_Click(object sender, EventArgs e)
        {
            LoadControlsFromJson(this, datapath + txtname.Text + ".json");
            ExcelMapping.Rows.Clear();
            ExcelMapping.ReadXml(datapath + txtname.Text + "_mapping.xml");
            inputdata = System.IO.File.ReadAllText(datapath+txttextinput.Text);
            tabelle1 = ""; tabelle2 = ""; tabelle3 = ""; tabelle4 = "";
            editControl1.Text = inputdata;
        }

        public void SaveControlsToJson(Control parent, string filePath)
        {
            var list = new List<ControlState>();

            foreach (Control ctrl in GetAllControls(parent))
            {
                var state = new ControlState
                {
                    Name = ctrl.Name,
                    Type = ctrl.GetType().Name
                };

                switch (ctrl)
                {
                    case TextBox tb:
                        state.Value = tb.Text;
                        break;

                    case CheckBox cb:
                        state.Value = cb.Checked.ToString();
                        break;

                    case ComboBox cmb:
                        state.Value = cmb.SelectedIndex.ToString();
                        break;

                    case DateTimePicker dtp:
                        state.Value = dtp.Value.ToString("o"); // ISO 8601
                        break;
                }

                list.Add(state);
            }

            var options = new System.Text.Json.JsonSerializerOptions
            {
                WriteIndented = true
            };

            string json = System.Text.Json.JsonSerializer.Serialize(list, options);
            System.IO.File.WriteAllText(filePath, json);
        }

        public void LoadControlsFromJson(Control parent, string filePath)
        {
            if (!System.IO.File.Exists(filePath))
                return;

            string json = System.IO.File.ReadAllText(filePath);
            var list = System.Text.Json.JsonSerializer.Deserialize<List<ControlState>>(json);

            foreach (var state in list)
            {
                Control ctrl = GetAllControls(parent)
                                .FirstOrDefault(c => c.Name == state.Name);

                if (ctrl == null)
                    continue;

                switch (ctrl)
                {
                    case TextBox tb:
                        tb.Text = state.Value;
                        break;

                    case CheckBox cb:
                        if (bool.TryParse(state.Value, out bool b))
                            cb.Checked = b;
                        break;

                    case ComboBox cmb:
                        if (int.TryParse(state.Value, out int i))
                            cmb.SelectedIndex = i;
                        break;

                    case DateTimePicker dtp:
                        if (DateTime.TryParse(state.Value, out DateTime d))
                            dtp.Value = d;
                        break;
                }
            }
        }
        private IEnumerable<Control> GetAllControls(Control parent)
        {
            foreach (Control ctrl in parent.Controls)
            {
                foreach (Control child in GetAllControls(ctrl))
                    yield return child;

                yield return ctrl;
            }
        }

        private void label1_Click(object sender, EventArgs e)
        {

        }

        private void txttagueberschrift1_TextChanged(object sender, EventArgs e)
        {

        }

        private void panel1_Paint(object sender, PaintEventArgs e)
        {

        }

        private void button4_Click(object sender, EventArgs e)
        {
            panel1.Visible = false;
            editControl1.Visible= true;
        }

  
    }
}