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.SupportForms
{
	public partial class ChildForm : Form
	{
		private int? rod1Id = null;
		private void linkRod1_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
		{
			var form = new ChelForm(true);
			form.ShowDialog();
			if (form.isCanceled)
				rod1Id = null;
			else
				rod1Id = form.formResult.Id;
			linkRod1_changeName();
		}
		private void linkRod1_changeName()
    {
			linkRod1.Text = rod1Id.HasValue ?
				FuncDB.ChelGetFIOShortById(rod1Id.Value) :
				"Выбрать человека...";
		}

		private int? rod2Id = null;
		private void linkRod2_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
		{
			var form = new ChelForm(true);
			form.ShowDialog();
			if (form.isCanceled)
				rod2Id = null;
			else
				rod2Id = form.formResult.Id;
			linkRod2_changeName();
		}
		private void linkRod2_changeName()
		{
			linkRod2.Text = rod2Id.HasValue ?
				FuncDB.ChelGetFIOShortById(rod2Id.Value) :
				"Выбрать человека...";
		}

		public bool isCanceled = false;
		private Child child = null;
		public ChildForm(Child child = null)
		{
			InitializeComponent();
			maleBox.SelectedIndex = 0;
			birthdayBox.Value = DateTime.Now;
			try
			{
				if (child != null)
				{
					this.child = child;
					workButton.Text = "Изменить";
					fNameBox.Text = child.FName;
					sNameBox.Text = child.SName;
					tNameBox.Text = child.TName;
					maleBox.SelectedIndex = child.Male ? 0 : 1;
					birthdayBox.Value = child.Birthday;
					rod1Id = child.Parent1Id;
					rod2Id = child.Parent2Id;
					linkRod1_changeName();
					linkRod2_changeName();
				}
			}
			catch (Exception e)
			{
				this.ShowError(errorLabel, e.Message);
				workButton.Enabled = false;
			}
		}

		private void workButton_Click(object sender, EventArgs e)
		{
			try
			{
				if (maleBox.SelectedIndex == -1)
					throw new Exception("Пол не указан.");
				var _child = new Child();
				_child.FName = fNameBox.Text;
				_child.SName = sNameBox.Text;
				_child.TName = tNameBox.Text;
				_child.Male = maleBox.SelectedIndex == 0;
				_child.Birthday = birthdayBox.Value;
				_child.Parent1Id = rod1Id;
				_child.Parent2Id = rod2Id;

				FuncDB.ChildCheckValid(_child);
				if (child == null)
					FuncDB.ChildAdd(_child);
				else
        {
					_child.Id = child.Id;
					FuncDB.ChildChange(_child);
				}
				this.Close();
			}
			catch (Exception ex)
			{
				this.ShowError(errorLabel, ex.Message);
			}
		}
		private void canceledButton_Click(object sender, EventArgs e)
		{
			isCanceled = true;
			this.Close();
		}

  }
}