using Microsoft.Data.Sqlite;
using System.ComponentModel;

using trakker.Data;
using trakker.Forms;
using trakker.Interfaces;
using trakker.Models;
using trakker.Services;
using trakker.Utilities;

namespace trakker
{
    public partial class MainForm : Form, IMainForm
    {
        private const string _AppVersion = "[n.n.n]";
        private static readonly string _empty = string.Empty;
        private string _ConnectionString = _empty;
        readonly MainCtrl _ctrl;

        /// <summary>
        /// Initializes a new instance of the <see cref="MainForm"/> class.
        /// Sets up the form's controls and event handlers by calling
        /// <see cref="InitializeComponent"/> which is generated by the designer.
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            // build connection string that will be used for database connections
            // ------------------------------------------------------------------------ 
            var dbPath = Path.Combine(AppContext.BaseDirectory, "trakker.db");
            _ConnectionString = new SqliteConnectionStringBuilder
            {
                DataSource = dbPath,
                Mode = SqliteOpenMode.ReadWriteCreate,
                Cache = SqliteCacheMode.Shared
            }.ToString();

            Text = $"Project Trakker - v{_AppVersion} / pragmattica.com";
            tabControlMainForm.TabPages[0].Text = "      Home      ";
            tabControlMainForm.TabPages[1].Text = "    Clients     ";
            tabControlMainForm.TabPages[2].Text = "    Projects    ";

            _ctrl = new Services.MainCtrl(this, _ConnectionString);
        }

        /// <summary>
        /// Handles the Click event of the Exit menu item. When invoked, this
        /// method terminates the application.
        /// </summary>
        /// <param name="sender">The source of the event.</param>
        /// <param name="e">Event data associated with the click event.</param>
        private void MainForm_Exit_MenuItem_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        public void Client_DataGridViewClients_Init(BindingList<Client> clients)
        {
            dataGridViewClients.AllowUserToAddRows = true;
            dataGridViewClients.AllowUserToDeleteRows = true;
            dataGridViewClients.AutoGenerateColumns = false;
            dataGridViewClients.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
            dataGridViewClients.BackgroundColor = Color.White;
            dataGridViewClients.ColumnHeadersVisible = true;
            dataGridViewClients.DataSource = clients;
            dataGridViewClients.MultiSelect = false;
            dataGridViewClients.RowHeadersVisible = false;
            dataGridViewClients.SelectionMode = DataGridViewSelectionMode.FullRowSelect;

            dataGridViewClients.Columns.Clear();
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "Name",
                    Name = "Name",
                    Visible = true,
                };
                dataGridViewClients.Columns.Add(textColumn);
            }
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "Company",
                    Name = "Company",
                    Visible = true,
                };
                dataGridViewClients.Columns.Add(textColumn);
            }
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "Email",
                    Name = "Email",
                    Visible = true,
                };
                dataGridViewClients.Columns.Add(textColumn);
            }
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "Phone",
                    Name = "Phone",
                    Visible = true,
                };
                dataGridViewClients.Columns.Add(textColumn);
            }

            dataGridViewClients.DoubleClick += (s, e) =>
            {
                Client_DataGridViewClients_DoubleClick(s!, e);
            };

            dataGridViewClients.SelectionChanged += (s, e) =>
            {
                Client_DataGridViewClients_SelectionChanged(s!, e);
            };

        }

        public void Client_DataGridViewClients_DoubleClick(object sender, EventArgs e)
        {
            if (dataGridViewClients.SelectedRows.Count > 0)
            {
                var selectedClient = dataGridViewClients.SelectedRows[0].DataBoundItem as Client;
                if (selectedClient != null)
                {
                    var dialog = new ClientForm(selectedClient, _ctrl.GetLOV("state"));
                    if (dialog.ShowDialog(this) == DialogResult.OK)
                    {
                        Client client = dialog.Client;
                        ClientData clientData = new ClientData(_ConnectionString);
                        try
                        {
                            clientData.Upsert(client);
                            dataGridViewClients.Refresh(); // Refresh the DataGridView to reflect changes
                        }
                        catch (Exception ex)
                        {
                            MessageBox.Show($"Error saving client: {ex.Message}", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                        }
                    }
                }
            }
        }

        public void Client_DataGridViewClients_SelectionChanged(object sender, EventArgs e)
        {
            if (dataGridViewClients.SelectedRows.Count > 0)
            {
                var selectedClient = dataGridViewClients.SelectedRows[0].DataBoundItem as Client;
                if (selectedClient != null)
                {
                    // Handle the selected client as needed
                    // MessageBox.Show($"Selected Client: {selectedClient.AddressStreet}", "Client Selected", MessageBoxButtons.OK, MessageBoxIcon.Information  );
                }
            }
        }


        public void Project_DataGridViewProjects_Fill(BindingSource projects)
        {
            int idx = 0;
            if (dataGridViewProjects.CurrentRow != null)
            {
                idx = dataGridViewProjects.CurrentRow.Index;
            }
            dataGridViewProjects.DataSource = projects;
            dataGridViewProjects.Rows[idx].Selected = true;
        }
        public void Project_DataGridViewProjects_Init()
        {
            dataGridViewProjects.AllowUserToAddRows = true;
            dataGridViewProjects.AllowUserToDeleteRows = true;
            dataGridViewProjects.AutoGenerateColumns = false;
            dataGridViewProjects.BackgroundColor = Color.White;
            dataGridViewProjects.ColumnHeadersVisible = true;
            dataGridViewProjects.MultiSelect = false;
            dataGridViewProjects.RowHeadersVisible = false;
            dataGridViewProjects.SelectionMode = DataGridViewSelectionMode.FullRowSelect;

            dataGridViewProjects.Columns.Clear();
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.None,
                    DataPropertyName = "ProjectName",
                    Name = "Project Name",
                    Visible = true,
                    Width = 350,
                };
                dataGridViewProjects.Columns.Add(textColumn);
            }
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "ClientName",
                    Name = "Client Name",
                    Visible = true,
                };
                dataGridViewProjects.Columns.Add(textColumn);
            }
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "StartDate",
                    DefaultCellStyle = { Format = "MM/dd/yyyy" },
                    Name = "Start Date",
                    Visible = true,
                };
                dataGridViewProjects.Columns.Add(textColumn);
            }
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "EndDate",
                    DefaultCellStyle = { Format = "MM/dd/yyyy" },
                    Name = "End Date",
                    Visible = true,
                };
                dataGridViewProjects.Columns.Add(textColumn);
            }
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "HourlyRate",
                    Name = "Hourly Rate",
                    Visible = true,
                };
                textColumn.DefaultCellStyle.Format = "$#,##0.00";
                textColumn.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
                textColumn.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleRight;
                dataGridViewProjects.Columns.Add(textColumn);
            }
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "Budget",
                    Name = "Budget",
                    Visible = true,
                };
                textColumn.DefaultCellStyle.Format = "$#,##0.00";
                textColumn.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
                textColumn.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleRight;
                dataGridViewProjects.Columns.Add(textColumn);
            }
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "Actuals",
                    Name = "Actuals",
                    Visible = true,
                };
                textColumn.DefaultCellStyle.Format = "$#,##0.00";
                textColumn.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
                textColumn.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleRight;
                dataGridViewProjects.Columns.Add(textColumn);
            }
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "StatusName",
                    Name = "Status",
                    Visible = true,
                };
                dataGridViewProjects.Columns.Add(textColumn);
            }

            dataGridViewProjects.DoubleClick += (s, e) =>
            {
                Project_DataGridViewProjects_DoubleClick(s!, e); 
            };

            dataGridViewProjects.SelectionChanged += (s, e) =>
            {
                Project_DataGridViewProjects_SelectionChanged(s!, e);
            };

        }

        public void Project_DataGridViewProjects_DoubleClick(object sender, EventArgs e)
        {
            if (dataGridViewProjects.SelectedRows.Count > 0)
            {
                var selectedIdx = dataGridViewProjects.SelectedRows[0].Index;
                var selectedProject = dataGridViewProjects.SelectedRows[0].DataBoundItem as Project;
                if (selectedProject != null)
                {
                    var dialog = new ProjectForm(selectedProject, _ctrl.GetClients(), _ctrl.GetLOV("project.status"));
                    if (dialog.ShowDialog(this) == DialogResult.OK)
                    {
                        Project project = dialog.Project;
                        ProjectData projectData = new ProjectData(_ConnectionString);
                        try
                        {
                            projectData.Upsert(project);
                            _ctrl.LoadProjects(); // Reload projects to update the DataGridView with any changes
                            dataGridViewProjects.ClearSelection();
                            if (selectedIdx >= 0 && selectedIdx < dataGridViewProjects.Rows.Count)
                            {
                                dataGridViewProjects.Rows[selectedIdx].Selected = true;
                            }
                        }
                        catch (Exception ex)
                        {
                            MessageBox.Show($"Error saving project: {ex.Message}", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                        }
                    }
                    return;
                }
            }
        }

        public void Project_DataGridViewProjects_SelectionChanged(object sender, EventArgs e)
        {
            if (_ctrl == null) return; // Safety check to prevent null reference exceptions during initialization) 
            if (dataGridViewProjects.SelectedRows.Count > 0)
            {
                var selectedProject = dataGridViewProjects.SelectedRows[0].DataBoundItem as Project;
                if (selectedProject != null)
                {
                    // Handle the selected project as needed
                    //MessageBox.Show($"Project ID: {selectedProject.ProjectId}, Selected Project: {selectedProject.ProjectName}", "Project Selected", MessageBoxButtons.OK, MessageBoxIcon.Information  );
                    _ctrl.LoadTasks(selectedProject.ProjectId); // Load tasks for the selected project
                    InitProjectTasks();
                }
            }
        }

        public void InitProjectTasks()
        {
            //dataGridViewProjectTasks.Rows.Clear();
            //richTextBoxTaskComments.Text = string.Empty;
            richTextBoxTaskComments.WordWrap = false;
            richTextBoxTaskComments.ReadOnly = true;
        }

        public void PTask_TreeViewTasks1_Init()
        {
            // Basic TreeView configuration
            treeViewTasks1.BeginUpdate();
            treeViewTasks1.Nodes.Clear();
            treeViewTasks1.ShowLines = true;
            treeViewTasks1.ShowRootLines = true;
            treeViewTasks1.HideSelection = false;
            treeViewTasks1.FullRowSelect = true;
            treeViewTasks1.EndUpdate();

            // When a tree node is clicked, fetch and show notebooks for that folder
            treeViewTasks1.NodeMouseClick += (sender, e) =>
            {
                PTask_TreeViewTasks1_NodeMouseClick(e.Node, e.Button);
            };

        }
        public void PTask_TreeViewTasks1_NodeMouseClick(TreeNode node, MouseButtons button = MouseButtons.Left)
        {
            if (node == null) return;

            // Put all your NodeMouseClick logic here
            treeViewTasks1.SelectedNode = node;   // Usually what you want
            node.EnsureVisible();

            // ... your other code (open form, load data, etc.)
            PTaskFS? selectedNode = (PTaskFS?)node.Tag ?? new PTaskFS();
            if (selectedNode?.Parent == "/" || selectedNode?.GUID == "/")
            {
                _ctrl.LoadTasksRecursive(selectedNode.ProjectId, PTask.RecursiveRoot.PARENT_TASK_ID); // Load all tasks for the project when root node is clicked
                return;
            }
            _ctrl.LoadTasksRecursive(selectedNode?.GUID ?? "/", PTask.RecursiveRoot.TASK_ID); // Load all tasks for the project when root node is clicked
        }
        public void PTask_TreeViewTasks1_Fill(List<PTaskFS> items)
        {
            if (items == null) return;

            treeViewTasks1.BeginUpdate();  // Improves performance for large trees
            treeViewTasks1.Nodes.Clear();

            // Root node
            PTaskFS root = new();
            root.GUID = "/";
            root.Node = "/Project";
            root.Parent = _empty;
            TreeNode rootNode = new TreeNode(root.Node) { Tag = root };
            treeViewTasks1.Nodes.Add(rootNode);

            // Normalize keys so null/empty parents map to root key "/"
            static string NormalizeKey(string? k) => string.IsNullOrWhiteSpace(k) ? "/" : k!.Trim();

            // Build lookup: parentKey -> list of children
            var lookup = new Dictionary<string, List<PTaskFS>>();
            foreach (var it in items)
            {
                var key = NormalizeKey(it.Parent);
                if (!lookup.TryGetValue(key, out var list))
                {
                    list = new List<PTaskFS>();
                    lookup[key] = list;
                }
                list.Add(it);
            }

            var keys = lookup.Keys.ToList();
            // Recursive adder: attach child nodes to a parent TreeNode.
            // Uses normalized keys so null/empty parents become "/".
            void AddChildren(TreeNode parentNode, string parentKey)
            {
                if (!lookup.TryGetValue(parentKey, out var children)) return;
                // Optional: sort children by Node text for deterministic order
                foreach (var child in children.OrderBy(c => c.Node))
                {
                    var text = string.IsNullOrWhiteSpace(child.Node) ? "(unnamed)" : child.Node!.Trim();
                    var tn = new TreeNode(text) { Tag = child };
                    tn.Expand();
                    parentNode.Nodes.Add(tn);

                    // Recurse using this child's node text as the parent key
                    AddChildren(tn, NormalizeKey(child.GUID));
                }
            }

            // // Start recursion from root key
            AddChildren(rootNode, "/");

            rootNode.ExpandAll();
            treeViewTasks1.EndUpdate();  // End the update

            TreeNode node = rootNode.FirstNode;
            PTask_TreeViewTasks1_NodeMouseClick(node, MouseButtons.Left);
            //treeViewTasks1.SelectedNode = node;
            //treeViewTasks1.Focus();
        }

        private void PTask_AddTaskSubtaskToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (treeViewTasks1.SelectedNode == null) return;
            PTaskFS? selectedNode = (PTaskFS?)treeViewTasks1.SelectedNode.Tag ?? new PTaskFS();
            if (selectedNode?.Parent == "")
            {
                MessageBox.Show("Cannot add tasks to root node", "Add Task", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }
            string taskId = Guid.NewGuid().ToString();
            PTask task = new()
            {
                TaskId = taskId,
                Title = "New Task",
                Description = _empty,
                ParentTaskId = selectedNode?.GUID == "/" ? null : selectedNode?.GUID,
                HourlyRate = selectedNode?.HourlyRate,
                ProjectId = selectedNode?.ProjectId, // Root node has no project
            };
            TaskForm dialog = new TaskForm(task, _ctrl.GetLOV("task.status"), _ctrl.GetLOV("task.priority"));
            DialogResult result = dialog.ShowDialog(this);
            if (result == DialogResult.OK)
            {
                task = dialog.Task;
                TaskData taskData = new TaskData(_ConnectionString);
                try
                {
                    taskData.Upsert(task);
                    treeViewTasks1.SelectedNode.Nodes.Add(new TreeNode(task.Title ?? "") { Tag = new PTaskFS { GUID = task.TaskId ?? "", Node = task.Title ?? "", Parent = task.ParentTaskId ?? "", HourlyRate = task.HourlyRate, ProjectId = task.ProjectId ?? "" } });
                    //_ctrl.LoadTasks(); 
                }
                catch (Exception ex)
                {
                    MessageBox.Show($"Error saving task: {ex.Message}", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }

        private void PTask_EditThisTaskSubtaskToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (treeViewTasks1.SelectedNode == null) return;
            PTaskFS? selectedTask = treeViewTasks1.SelectedNode.Tag as PTaskFS;
            if (selectedTask?.Parent == "/" || selectedTask?.GUID == "/")
            {
                MessageBox.Show("Cannot edit root node", "Edit Task", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }
            TaskData taskData = new TaskData(_ConnectionString);
            PTask task = taskData.Get(selectedTask?.GUID);
            TaskForm dialog = new TaskForm(task, _ctrl.GetLOV("task.status"), _ctrl.GetLOV("task.priority"));
            DialogResult result = dialog.ShowDialog(this);
            if (result == DialogResult.OK)
            {
                task = dialog.Task;
                //MessageBox.Show(task.ToString(), "Task Details", MessageBoxButtons.OK, MessageBoxIcon.Information);
                try
                {
                    taskData.Upsert(task);
                    treeViewTasks1.SelectedNode.Text = task.Title ?? ""; // Update the node text in the tree view
                    _ctrl.LoadTasksRecursive(selectedTask!.GUID, PTask.RecursiveRoot.TASK_ID); // Reload tasks to update the tree view with any changes
                }
                catch (Exception ex)
                {
                    MessageBox.Show($"Error saving task: {ex.Message}", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }

        private void PTask_DeleteThisTaskSubtaskToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (treeViewTasks1.SelectedNode == null) return;
            PTaskFS? selectedTask = treeViewTasks1.SelectedNode.Tag as PTaskFS;
            //MessageBox.Show(selectedTask != null ? selectedTask.ToString() : "No task selected", "Edit Task", MessageBoxButtons.OK, MessageBoxIcon.Information);
            if (selectedTask?.Parent == "/" || selectedTask?.GUID == "/")
            {
                MessageBox.Show("Cannot delete root node", "Delete Task", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }
            if (treeViewTasks1.SelectedNode.Nodes.Count > 0)
            {
                MessageBox.Show("Cannot delete a task with subtasks", "Delete Task", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }
            TaskData taskData = new TaskData(_ConnectionString);
            DialogResult result = MessageBox.Show("Are you sure you want to delete this task?", "Delete Task", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
            if (result == DialogResult.Yes)
            {
                //MessageBox.Show(task.ToString(), "Task Details", MessageBoxButtons.OK, MessageBoxIcon.Information);
                try
                {
                    taskData.Delete(selectedTask?.GUID ?? _empty);
                    treeViewTasks1.SelectedNode.Remove();
                    //_ctrl.LoadTasks(); // Reload tasks to update the DataGridView with any changes
                }
                catch (Exception ex)
                {
                    MessageBox.Show($"Error deleting task: {ex.Message}", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }

        private void PTask_AddACommentToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (treeViewTasks1.SelectedNode == null) return;
            PTaskFS? selectedTask = treeViewTasks1.SelectedNode.Tag as PTaskFS;
            //MessageBox.Show(selectedTask != null ? selectedTask.ToString() : "No task selected", "Edit Task", MessageBoxButtons.OK, MessageBoxIcon.Information);
            if (selectedTask?.Parent == "/" || selectedTask?.GUID == "/")
            {
                MessageBox.Show("Cannot comment on root node", "Add Comment", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }
            TextAreaForm textAreaForm = new TextAreaForm("Add Comment");
            DialogResult result = textAreaForm.ShowDialog(this);
            if (result == DialogResult.OK)
            {
                if (string.IsNullOrEmpty(textAreaForm.BasicText)) return;
                TaskData taskData = new TaskData(_ConnectionString);
                try
                {
                    PTaskComment comment = new()
                    {
                        TaskId = selectedTask?.GUID ?? _empty,
                        Comment = textAreaForm.BasicText ?? _empty,
                    };
                    taskData.SaveComment(comment);
                    DialogExtensions.GenericSuccess($"Comment saved successfully for task '{selectedTask!.Node}'.");
                    PTask_DataGridViewProjectTasks_SelectionChanged(null, null);
                }
                catch (Exception ex)
                {
                    MessageBox.Show($"Error deleting task: {ex.Message}", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }
        public void PTask_DataGridViewProjectTasks_Init()
        {
            dataGridViewProjectTasks.AllowUserToAddRows = false;
            dataGridViewProjectTasks.AllowUserToDeleteRows = false;
            dataGridViewProjectTasks.AutoGenerateColumns = false;
            dataGridViewProjectTasks.BackgroundColor = Color.White;
            dataGridViewProjectTasks.ColumnHeadersDefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleLeft;
            dataGridViewProjectTasks.ColumnHeadersDefaultCellStyle.WrapMode = DataGridViewTriState.False;
            dataGridViewProjectTasks.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
            dataGridViewProjectTasks.ColumnHeadersVisible = true;
            dataGridViewProjectTasks.MultiSelect = false;
            dataGridViewProjectTasks.ReadOnly = true;
            dataGridViewProjectTasks.RowHeadersVisible = false;
            dataGridViewProjectTasks.SelectionMode = DataGridViewSelectionMode.FullRowSelect;

            // Then add your columns...
            dataGridViewProjectTasks.Columns.Clear();
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.None,
                    DataPropertyName = "Title",
                    Name = "Title",
                    Visible = true,
                    Width = 350,
                };
                dataGridViewProjectTasks.Columns.Add(textColumn);
            }
            // 1. Status - Most important for quick visual scanning
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "StatusName",
                    Name = "Status",
                    Visible = true,
                };
                dataGridViewProjectTasks.Columns.Add(textColumn);
            }

            // 2. Priority - Right after status
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "PriorityName",
                    Name = "Priority",
                    Visible = true,
                };
                dataGridViewProjectTasks.Columns.Add(textColumn);
            }

            // 3. Due Date - Time sensitivity
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "DueDate",
                    DefaultCellStyle = { Format = "MM/dd/yyyy" },
                    Name = "Due Date",
                    Visible = true,
                };
                dataGridViewProjectTasks.Columns.Add(textColumn);
            }

            // 4. Estimated Hours
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "EstimatedHours",
                    Name = "Est Hours",
                    Visible = true,
                };
                textColumn.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
                textColumn.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleRight;
                dataGridViewProjectTasks.Columns.Add(textColumn);
            }

            // 5. Actual Hours
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "ActualHours",
                    Name = "Act Hours",
                    Visible = true,
                };
                textColumn.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
                textColumn.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleRight;
                dataGridViewProjectTasks.Columns.Add(textColumn);
            }

            // 6. Hourly Rate - Financial info at the end
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    DataPropertyName = "HourlyRate",
                    Name = "Hourly Rate",
                    Visible = true,
                };
                textColumn.DefaultCellStyle.Format = "$#,##0.00";
                textColumn.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
                textColumn.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleRight;
                dataGridViewProjectTasks.Columns.Add(textColumn);
            }

            // 7. Amount - Financial info at the end
            {
                var textColumn = new DataGridViewTextBoxColumn
                {
                    AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill,
                    Name = "Amount",
                    DataPropertyName = "Amount",
                    Visible = true,
                };
                textColumn.DefaultCellStyle.Format = "$#,##0.00";
                textColumn.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleRight;
                textColumn.HeaderCell.Style.Alignment = DataGridViewContentAlignment.MiddleRight;
                dataGridViewProjectTasks.Columns.Add(textColumn);
            }

            dataGridViewProjectTasks.SelectionChanged += (s, e) =>
            {
                PTask_DataGridViewProjectTasks_SelectionChanged(s, e);
            };

            dataGridViewProjectTasks.DoubleClick += (s, e) =>
            {
                PTask_DataGridViewProjectTasks_DoubleClick(s, e);
            };
        }
        public void PTask_DataGridViewProjectTasks_SelectionChanged(object? sender, EventArgs? e)
        {
            if (dataGridViewProjectTasks.SelectedRows.Count > 0)
            {
                var selectedIdx = dataGridViewProjectTasks.SelectedRows[0].Index;
                var selectedTask = dataGridViewProjectTasks.SelectedRows[0].DataBoundItem as PTask;
                if (selectedTask != null)
                {
                    TaskData taskData = new TaskData(_ConnectionString);
                    List<PTaskComment> comments = taskData.GetComments(selectedTask.TaskId ?? _empty);
                    richTextBoxTaskComments.Clear();
                    foreach (var comment in comments)
                    {
                        richTextBoxTaskComments.AppendText($"{comment.CreatedAt}\n---\n{comment.Comment}\n\n");
                    }
                }
            }
        }

        public void PTask_DataGridViewProjectTasks_DoubleClick(object? sender, EventArgs? e)
        {
            var projectIdx = dataGridViewProjects.SelectedRows[0].Index;
            var taskIdx = dataGridViewProjectTasks.SelectedRows[0].Index;

            var row = dataGridViewProjectTasks.SelectedRows[0];
            if (row != null)
            {
                var task = dataGridViewProjectTasks.SelectedRows[0].DataBoundItem as PTask;
                TaskForm dialog = new TaskForm(task!, _ctrl.GetLOV("task.status"), _ctrl.GetLOV("task.priority"));
                DialogResult result = dialog.ShowDialog(this);
                if (result == DialogResult.OK)
                {
                    task = dialog.Task;
                    try
                    {
                        TaskData taskData = new TaskData(_ConnectionString);
                        taskData.Upsert(task);
                        //_ctrl.LoadTasks(task.ProjectId ?? string.Empty); // Reload tasks to update the DataGridView with any changes
                        _ctrl.LoadProjects(); // Reload projects to update the DataGridView with any changes
                        _ctrl.LoadTasksRecursive(task.TaskId ?? _empty, PTask.RecursiveRoot.TASK_ID); // Reload tasks to update the tree view with any changes

                        dataGridViewProjects.ClearSelection();
                        if (projectIdx >= 0 && projectIdx < dataGridViewProjects.Rows.Count)
                        {
                            dataGridViewProjects.Rows[projectIdx].Selected = true;
                        }
                        dataGridViewProjectTasks.ClearSelection();
                        if (taskIdx >= 0 && taskIdx < dataGridViewProjectTasks.Rows.Count)
                        {
                            dataGridViewProjectTasks.Rows[taskIdx].Selected = true;
                        }
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show($"Error saving task: {ex.Message}", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                }

            }
        }

        public void PTask_DataGridViewProjectTasks_Fill(BindingSource tasks)
        {
            //dataGridViewProjectTasks.Rows.Clear();
            dataGridViewProjectTasks.DataSource = tasks;
            //dataGridViewProjectTasks.Refresh();
        }

        private void PTask_RichTextBoxTaskComments_LinkClicked(object sender, LinkClickedEventArgs e)
        {
            try
            {
                // Open the URL in the default browser
                System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo
                {
                    FileName = e.LinkText,
                    UseShellExecute = true
                });
            }
            catch (Exception ex)
            {
                DialogExtensions.GenericError(String.Format($"Failed to open link: {ex.Message}"));
            }
        }
    }
}