using System;
using System.Drawing;
using System.Windows;
using System.Windows.Controls;
using Comal.Classes;
using FastReport.DataVisualization.Charting;
using InABox.Core;
using InABox.DynamicGrid;
using InABox.WPF;

namespace PRSDesktop
{
    internal class EmployeeGrid : DynamicDataGrid<Employee>
    {
        private bool ShowAll;

        public EmployeeGrid()
        {
            Options.AddRange(
                DynamicGridOption.FilterRows,
                DynamicGridOption.SelectColumns,
                DynamicGridOption.MultiSelect
            );

            ActionColumns.Add(new DynamicScheduleEditorColumn<Employee>());
            HiddenColumns.Add(x => x.ActiveSchedules);

            HiddenColumns.Add(x => x.Thumbnail.ID);
            HiddenColumns.Add(x => x.Thumbnail.FileName);
            ActionColumns.Add(new DynamicImageColumn<Employee>(this, x => x.Thumbnail, true) { Position = DynamicActionColumnPosition.Start });
            ActionColumns.Add(new DynamicMenuColumn(MenuBuild) { Position = DynamicActionColumnPosition.Start });

            AddButton("Activities", PRSDesktop.Resources.quality.AsBitmapImage(), ShowActivities);
            AddButton("Role Forms", PRSDesktop.Resources.kanban.AsBitmapImage(), ShowRoleForms);

            //ActionColumns.Add(new DynamicEmployeeStatusColumn<Employee>(x => x.InOut));
            //HiddenColumns.Add(x => x.InOut);

            AddButton("Show All", PRSDesktop.Resources.anonymous.AsBitmapImage(Color.White), ToggleFinishedEmployees);
        }

        private void MenuBuild(DynamicMenuColumn column, CoreRow? row)
        {
            if (row == null) return;
            var newItem = column.AddItem("Digital Forms", null, null);
            DynamicGridUtils.PopulateFormMenu<EmployeeForm, Employee, EmployeeLink>(newItem, row.Get<Employee, Guid>(x => x.ID));

            column.AddSeparator();

            column.AddItem("Activities", PRSDesktop.Resources.quality, ShowActivitiesWindow);
            column.AddItem("Role Forms", PRSDesktop.Resources.kanban, ShowRoleFormsWindow);
        }

        private void ShowActivitiesWindow(CoreRow row)
        {
            DynamicGridUtils.CreateGridWindow("Employee Activities",
                new DynamicCrossJoinGrid<EmployeeActivity, Employee>(row.ToObject<Employee>(), x => x.Employee.ID, x => x.ID)).ShowDialog();
        }
        private void ShowRoleFormsWindow(CoreRow row)
        {
            DynamicGridUtils.CreateGridWindow("Employee Role Forms",
                new DynamicCrossJoinGrid<EmployeeDigitalForm, Employee>(row.ToObject<Employee>(), x => x.Employee.ID, x => x.ID)).ShowDialog();
        }
        private bool ShowActivities(Button button, CoreRow[] rows)
        {
            if(rows.Length == 0)
            {
                MessageBox.Show("Please select an employee.");
                return false;
            }
            else if(rows.Length > 1)
            {
                MessageBox.Show("Please select only one employee");
                return false;
            }

            ShowActivitiesWindow(rows[0]);

            return false;
        }

        private bool ShowRoleForms(Button button, CoreRow[] rows)
        {
            if(rows.Length == 0)
            {
                MessageBox.Show("Please select an employee.");
                return false;
            }
            else if(rows.Length > 1)
            {
                MessageBox.Show("Please select only one employee");
                return false;
            }

            ShowRoleFormsWindow(rows[0]);

            return false;
        }

        public Employee[] Employees { get; private set; }

        private bool ToggleFinishedEmployees(Button btn, CoreRow[] rows)
        {
            ShowAll = !ShowAll;
            UpdateButton(btn, PRSDesktop.Resources.anonymous.AsBitmapImage(Color.White), ShowAll ? "Hide Finished" : "Show All");
            return true;
        }

        protected override void Reload(Filters<Employee> criteria, Columns<Employee> columns, ref SortOrder<Employee> sort,
            Action<CoreTable, Exception> action)
        {
            if (!ShowAll)
                criteria.Add(new Filter<Employee>(x => x.FinishDate).IsEqualTo(DateTime.MinValue));

            base.Reload(criteria, columns, ref sort, action);
        }

        protected override BaseEditor? GetEditor(object item, DynamicGridColumn column)
        {
            if (column.ColumnName.StartsWith("OrgChart.") && !Security.IsAllowed<CanViewOrgChartByEmployee>())
                return new NullEditor();
            return base.GetEditor(item, column);
        }
    }
}