using ProjectAirline.Entities.Enums;
using ProjectAirline.Entities;
using ProjectAirline.Repositories;
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 Microsoft.VisualBasic.FileIO;

namespace ProjectAirline.Forms;

public partial class FormTicket : Form
{
    private readonly ITicketRepository _ticketRepository;
    private int? _ticketId;

    public int Id
    {
        set
        {
            try
            {
                var ticket = _ticketRepository.ReadTicketById(value);
                if (ticket == null)
                {
                    throw new InvalidDataException(nameof(ticket));
                }

                foreach (TicketStatus elem in Enum.GetValues(typeof(TicketStatus)))
                {
                    if ((elem & ticket.Status) != 0)
                    {
                        checkedListBoxStatus.SetItemChecked(checkedListBoxStatus.Items.IndexOf(elem), true);
                    }
                }

                _ticketId = value;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка при получении данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
        }
    }

    public FormTicket(ITicketRepository ticketRepository)
    {
        InitializeComponent();
        _ticketRepository = ticketRepository ?? throw new ArgumentNullException(nameof(ticketRepository));

        foreach (var elem in Enum.GetValues(typeof(TicketStatus)))
        {
            checkedListBoxStatus.Items.Add(elem);
        }

    }

    private void ButtonSave_Click(object sender, EventArgs e)
    {
        try
        {
            var status = GetTicketStatusFromCheckedListBox();
            if (status == TicketStatus.None)
            {
                throw new Exception("Необходимо выбрать хотя бы один статус");
            }

            if (_ticketId.HasValue)
            {
                _ticketRepository.UpdateTicket(CreateTicket(_ticketId.Value));
            }
            else
            {
                _ticketRepository.CreateTicket(CreateTicket(0));
            }

            Close();
        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.Message, "Ошибка при сохранении", MessageBoxButtons.OK, MessageBoxIcon.Error);
        }
    }

    private void ButtonCancel_Click(object sender, EventArgs e) => Close();

    private Ticket CreateTicket(int id)
    {
        var status = GetTicketStatusFromCheckedListBox();
        return Ticket.CreateTicket(id, status);
    }

    private TicketStatus GetTicketStatusFromCheckedListBox()
    {
        TicketStatus status = TicketStatus.None;
        foreach (TicketStatus item in checkedListBoxStatus.CheckedItems)
        {
            status |= item;
        }
        return status;
    }
}