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 Diplom_O.DataBase;

namespace Diplom_O
{
	public partial class ChildForm : Form
	{
		private readonly ColumnConf[] tableMainColumns = {
			new ColumnConf(name: "№"),
			new ColumnConf(name: "Фамилия И.О.", size: 140),
			new ColumnConf(name: "Пол", size: 80),
			new ColumnConf(name: "Дата рождения", size: 80),
			new ColumnConf(name: "Род 1", size: 140),
			new ColumnConf(name: "Род 2", size: 140)
		};

		private void resetChildTable()
		{
			try
			{
				var res = FuncDB.ChildTableMain(findBox.Text);
				this.ResetTable(
					childGridView,
					tableMainColumns,
					res
				);
			}
			catch (Exception e)
			{
				this.ShowError(errorLabel, e.Message);
			}
		}
		private Child selectedChildTable()
		{
			try
			{
				if (childGridView.SelectedRows.Count != 1)
					throw new Exception("Ребонок не выбран.");
				if (int.TryParse((string)childGridView.SelectedRows[0].Cells[0].Value, out int value))
					return FuncDB.ChildGetById(value);
				else
					throw new Exception("Ошибка в таблице.");
			}
			catch (Exception e)
			{
				this.ShowError(errorLabel, e.Message);
				return null;
			}
		}

		private void resetChildCount()
    {
			try
			{
				lableChildCount.Text = FuncDB.ChildCount(dateTimePicker1.Value).ToString();
				lableChildCountMale.Text = FuncDB.ChildCount(dateTimePicker1.Value, true).ToString();
				lableChildCountFemale.Text = FuncDB.ChildCount(dateTimePicker1.Value, false).ToString();
			}
			catch (Exception e)
			{
				this.ShowError(errorLabel, e.Message);
			}
		}

		public ChildForm()
		{
			InitializeComponent();
			this.correctUpperMenu(menuStrip, 6);
			resetChildTable();
			dateTimePicker1.Value = DateTime.Now;
			resetChildCount();
			
			addButton.Enabled =
				changeButton.Enabled =
				delButton.Enabled = false;

			var user = this.GetUser();
			if (user == null)
				return;
			delButton.Enabled = FuncDB.AccessGetByUserIdFormIdAccessId(user.Id, 6, 1) != null;
			changeButton.Enabled = FuncDB.AccessGetByUserIdFormIdAccessId(user.Id, 6, 2) != null;
			addButton.Enabled = FuncDB.AccessGetByUserIdFormIdAccessId(user.Id, 6, 3) != null;
		}

		private void addButton_Click(object sender, EventArgs e)
		{
			try
			{ 
			var form = new SupportForms.ChildForm();
			form.ShowDialog();
			if (!form.isCanceled)
				resetChildTable();
			resetChildCount();
			}
			catch (Exception ex)
			{
				this.ShowError(errorLabel, ex.Message);
			}
		}

		private void changeButton_Click(object sender, EventArgs e)
		{
			try
			{
				var form = new SupportForms.ChildForm(selectedChildTable());
				form.ShowDialog();
				if (!form.isCanceled)
					resetChildTable();
				resetChildCount();
			}
			catch (Exception ex)
			{
				this.ShowError(errorLabel, ex.Message);
			}
		}

		private void delButton_Click(object sender, EventArgs e)
		{
			try
			{
        var res = selectedChildTable();
				FuncDB.ChildDelete(res);
				resetChildTable();
				resetChildCount();
			}
			catch (Exception ex)
			{
				this.ShowError(errorLabel, ex.Message);
			}
		}

		private void upperMenuClicked(object sender, ToolStripItemClickedEventArgs e)
		{
			this.upperMenuClicked((MenuStrip)sender);
			if (this.GetNextForm() != -1)
				Close();
		}

    private void button1_Click(object sender, EventArgs e)
    {
			resetChildCount();
    }
		private void findBox_TextChanged(object sender, EventArgs e)
		{
			this.FindOnChanged(resetChildTable);
		}
		private void dropFindButton_Click(object sender, EventArgs e)
    {
			findBox.Text = "";
			this.FindOnChanged(null);
			resetChildTable();
		}
  }
}