using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using WindowsFormsApp5;
using Excel = Microsoft.Office.Interop.Excel;

namespace daq_testing
{
    public partial class UserControlMeasureHeader : UserControl
    {
        public string ProjectNumber { get => tbProjectNumber.Text; set => tbProjectNumber.Text = value; }
        public string MeasurementLocation { get => lbLocation.SelectedItem.ToString(); }
        public string CurrentMeasurePosition { get => tbCurrentPosition.Text; set => tbCurrentPosition.Text = value; }

        public int BiBID
        {
            get => int.TryParse(tbBibID.Text, out int result) ? result : 0;
            set => tbBibID.Text = value.ToString();
        }

        public string DriverID
        {
            get => tbDriverID.Text;
            set => tbBibID.Text = value;
        }

        public List<PslineConfig> pslineConfigs = new List<PslineConfig>();

        public List<int> CheckedItems = new List<int>();

        public event EventHandler MeasureButtonClick;
        public event EventHandler ClearAllMeasurementsBtnClick;
        public event EventHandler PopuplateHeaderEvent;

        public void PopulateMeasureHeader()
        {
            lbMeasuredPins.Items.Clear();
            foreach (var item in pslineConfigs)
            {
                if (item.Enabled)
                {
                    lbMeasuredPins.Items.Add(item.Psline);
                }
                
            }
        }

        public void OnPopulateHeaderEvent(EventArgs e)
        {
            PopuplateHeaderEvent?.Invoke(this, EventArgs.Empty);
        }
        public UserControlMeasureHeader()
        {
            InitializeComponent();
            dataGridView1.AutoGenerateColumns = true;
            PopulateHeaders();
            lbLocation.SetSelected(0, true);
            lbMeasuredPins.CheckOnClick = true; // Enables to single click.
        }

        private void PopulateHeaders ()
        {
            OnPopulateHeaderEvent(EventArgs.Empty);
        }
        public void OnClearAllMeasurementsBtnClick(EventArgs e)
        {
            ClearAllMeasurementsBtnClick?.Invoke(this, EventArgs.Empty);
        }

        public void OnMeasureButtonClick(EventArgs e)
        {
            MeasureButtonClick?.Invoke(this, EventArgs.Empty);
        }

        private void btnMeasure_Click(object sender, EventArgs e)
        {
            OnMeasureButtonClick(EventArgs.Empty);
        }

        private void btnNextPosition_Click(object sender, EventArgs e)
        {
            int position;
            int increment;
            int.TryParse(this.CurrentMeasurePosition,out position);
            int.TryParse(tbIncrement.Text, out increment);
            position+=increment;
            this.CurrentMeasurePosition = position.ToString();
        }

        public void PopulateVoltageOld(List<Result> results)
        {
            results = results.OrderBy(o => o.PsLine).ToList();
            
            dataGridView1.DataSource = null;
            dataGridView1.DataSource = results;
            dataGridView1.Refresh();

        }

        public void PopulateVoltage(List<Result> results)
        {
            // Convert the list to a DataTable
            var dataTable = DataTableHelper.ToDataTable(results);

            // Bind the DataTable to DataGridView
            dataGridView1.DataSource = dataTable;

            dataGridView1.CellFormatting += DataGridView_CellFormatting;

            // Enable sorting for all columns
            foreach (DataGridViewColumn column in dataGridView1.Columns)
            {
                column.SortMode = DataGridViewColumnSortMode.Automatic;
            }

            // Sort the DataGridView by the first column (assuming it's "ID")
            if (dataGridView1.Columns.Count > 0)
            {
                dataGridView1.Sort(dataGridView1.Columns[0], ListSortDirection.Descending);
            }
        }

        private void DataGridView_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
        {
            // Check if the column is "Value"
            if (dataGridView1.Columns[e.ColumnIndex].Name == "Value")
            {
                // Get the value from the cell
                if (e.Value is double value)
                {
                    // Get Psline
                    var PsLine = (int)dataGridView1.Rows[e.RowIndex].Cells["PsLine"].Value;
                    var tolerance = pslineConfigs.Where(x => x.Psline == PsLine).Select(x => x.Tolerance).FirstOrDefault();
                    // Get setpoint
                    var setpoint = pslineConfigs.Where(x => x.Psline == PsLine).Select(x => x.Setpoint).FirstOrDefault();

                    //Calculate limit
                    var limit = setpoint * (tolerance/100);
                    
                    // check if exceeding tolerance limit 
                    if (Math.Abs(setpoint-value) > limit)
                    {
                        // Change the background color
                        e.CellStyle.BackColor = System.Drawing.Color.Orange;
                    }
                    else
                    {
                        e.CellStyle.BackColor = System.Drawing.Color.Green;
                    }
                }
            }
        }

        private void btnSaveToExcel_Click(object sender, EventArgs e)
        {
            string filePath = $@"C:\configs\P{tbProjectNumber.Text}_sub{tbSub.Text}_step_{tbStep.Text}_Header.xlsx";
            string sourceFilePath = @"C:\configs\Header.xlsx";

       

            if (!File.Exists(filePath))
            {
                File.Copy(sourceFilePath, filePath);
                Console.WriteLine($"File did not exist. Copied from {sourceFilePath} to {filePath}.");
            }
            else
            {
                Console.WriteLine("File exists, proceeding to open.");
            }

            Excel.Application excelApp = new Excel.Application
            {
                Visible = true,
                DisplayAlerts = false
            };

            Excel.Workbook workbook = excelApp.Workbooks.Open(filePath);
            
            string copiedSheetName = "Measurements";
            
            Excel.Worksheet worksheet = workbook.Sheets[1];
            // Add column headers
            for (int i = 0; i < dataGridView1.Columns.Count; i++)
            {
                worksheet.Cells[1, i + 1] = dataGridView1.Columns[i].HeaderText;
            }

            // Add rows
            for (int i = 0; i < dataGridView1.Rows.Count; i++)
            {
                for (int j = 0; j < dataGridView1.Columns.Count; j++)
                {
                    worksheet.Cells[i + 2, j + 1] = dataGridView1.Rows[i].Cells[j].Value;
                }
            }

            workbook.Save();
            workbook.Close();
            excelApp.Quit();

            //ReleaseObject(workbook);
            //ReleaseObject(excelApp);
        }

        private void lbMeasuredPins_ItemCheck(object sender, ItemCheckEventArgs e)
        {
            List<int> checkedItems = new List<int>();
            foreach (var item in lbMeasuredPins.CheckedItems)
            {
                checkedItems.Add(Convert.ToInt32(item));
            }
            if (e.NewValue == CheckState.Checked)
                checkedItems.Add(Convert.ToInt32(lbMeasuredPins.Items[e.Index]));
            else
                checkedItems.Remove(Convert.ToInt32(lbMeasuredPins.Items[e.Index]));
            Console.WriteLine(checkedItems);
            this.CheckedItems = checkedItems;
        }

        private void btnInvertListboxMeasuredPins_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < lbMeasuredPins.Items.Count; i++)
            {
                bool isChecked = lbMeasuredPins.GetItemChecked(i);
                lbMeasuredPins.SetItemChecked(i, !isChecked);
            }
        }

        private void btnClearAllMeasurements_Click(object sender, EventArgs e)
        {
            OnClearAllMeasurementsBtnClick(EventArgs.Empty);
        }

        private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {

        }
    }
}