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;

namespace daq_testing
{
    public partial class UserControlPslineConfig : UserControl
    {
        private BindingList<PslineConfig> gridData;
        private FileHandler fileHandler;

        public event EventHandler UpdateBtnClick;

        public void OnUpdateBtnClick(EventArgs e)
        {
            LoadDgv();
            UpdateBtnClick?.Invoke(this, EventArgs.Empty);
        }

        public List<PslineConfig> Data { get; set; }
        public UserControlPslineConfig()
        {
            InitializeComponent();

            dgvPslinesConfig.CellContentClick += dgvPslinesConfig_CellContentClick;
            dgvPslinesConfig.CurrentCellDirtyStateChanged += dgvPslinesConfig_CurrentCellDirtyStateChanged;
        }

        public void button1_Click(object sender, EventArgs e)
        {
            LoadDgv();
            OnUpdateBtnClick(EventArgs.Empty);
        }

        public void LoadDgv_old()
        {
            BindingSource bs = new BindingSource();
            bs.DataSource = Data;
            dgvPslinesConfig.DataSource = bs;
            dgvPslinesConfig.Update();
        }

        public void LoadDgv()
        {
            string filePath = @"c:\configs\data.json";

            fileHandler = new FileHandler(filePath);
            // Load data
            gridData = fileHandler.LoadData();

            // Bind data to DataGridView
            dgvPslinesConfig.DataSource = gridData;

            // Set column properties
            dgvPslinesConfig.Columns["Psline"].HeaderText = "Psline";
            dgvPslinesConfig.Columns["Description"].HeaderText = "Description";
            dgvPslinesConfig.Columns["Setpoint"].HeaderText = "Setpoint";
            dgvPslinesConfig.Columns["Tolerance"].HeaderText = "Tolerance";
            dgvPslinesConfig.Columns["Enabled"].HeaderText = "Enabled";

        }

        private void btnSave_Click(object sender, EventArgs e)
        {
            fileHandler.SaveData(gridData);
            OnUpdateBtnClick(EventArgs.Empty);
        }

        private void dgvPslinesConfig_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            if (e.ColumnIndex == dgvPslinesConfig.Columns["Enabled"].Index)
            {
                // Check if the Enabled cell was set to true
                if (Convert.ToBoolean(dgvPslinesConfig.Rows[e.RowIndex].Cells["Enabled"].Value) == true)
                {
                    // Check for duplicates
                    var pslineValue = dgvPslinesConfig.Rows[e.RowIndex].Cells["Psline"].Value;
                    var hasDuplicate = dgvPslinesConfig.Rows
                        .Cast<DataGridViewRow>()
                        .Where(row => Convert.ToBoolean(row.Cells["Enabled"].Value) == true &&
                                      row.Cells["Psline"].Value.Equals(pslineValue) &&
                                      row.Index != e.RowIndex) // Exclude the current row
                        .Any();

                    if (hasDuplicate)
                    {
                        // Revert the change and notify the user
                        dgvPslinesConfig.Rows[e.RowIndex].Cells["Enabled"].Value = false; // Set back to false
                        MessageBox.Show("Cannot enable this row because a duplicate Psline entry exists.", "Duplicate Entry", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    }
                }
            }
        }

        private void dgvPslinesConfig_CurrentCellDirtyStateChanged(object sender, EventArgs e)
        {
            if (dgvPslinesConfig.IsCurrentCellDirty)
            {
                dgvPslinesConfig.CommitEdit(DataGridViewDataErrorContexts.Commit);
            }
        }

        
    }
}