using AircraftPlantBusinessLogic.MailWorker;
using AircraftPlantContracts.BindingModels;
using AircraftPlantContracts.BusinessLogicsContracts;
using AircraftPlantContracts.SearchModels;
using AircraftPlantContracts.ViewModels;
using Microsoft.Extensions.Logging;
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;

namespace AircraftPlantView
{
    /// <summary>
    /// Форма для отправки письма
    /// </summary>
    public partial class FormMessage : Form
    {
        /// <summary>
        /// Логгер
        /// </summary>
        private readonly ILogger _logger;

        /// <summary>
        /// Бизнес-логика для писем
        /// </summary>
        private readonly IMessageInfoLogic _messageLogic;

        /// <summary>
        /// Бизнес-логика для отправки писем
        /// </summary>
        private readonly AbstractMailWorker _mailWorker;

        /// <summary>
        /// Письмо
        /// </summary>
        private MessageInfoViewModel? _message;

        /// <summary>
        /// Идентификатор сообщения
        /// </summary>
        public string MessageId { get; set; } = string.Empty;

        /// <summary>
        /// Конструктор
        /// </summary>
        /// <param name="logger"></param>
        /// <param name="messageLogic"></param>
        /// <param name="mailWorker"></param>
        public FormMessage(ILogger<FormMessage> logger, IMessageInfoLogic messageLogic, AbstractMailWorker mailWorker)
        {
            InitializeComponent();

            _logger = logger;
            _messageLogic = messageLogic;
            _mailWorker = mailWorker;
        }

        /// <summary>
        /// Загрузка данных
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void FormMessage_Load(object sender, EventArgs e)
        {
            try
            {
                _message = _messageLogic.ReadElement(new MessageInfoSearchModel 
                { 
                    MessageId = MessageId
                });
                if (_message != null)
                {
                    textBoxSubject.Text = _message.Subject;
                    textBoxBody.Text = _message.Reply;
                    if (!_message.IsChecked)
                    {
                        _messageLogic.Update(new MessageInfoBindingModel 
                        {
                            MessageId = MessageId,
                            IsChecked = true,
                            Reply = _message.Reply
                        });
                    }
                }
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка получения собщения");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        /// <summary>
        /// Кнопка "Отправить"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonSend_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(textBoxBody.Text))
            {
                MessageBox.Show("Заполните ответ", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            _mailWorker.MailSendAsync(new()
            {
                MailAddress = _message!.SenderName,
                Subject = _message.Subject,
                Text = textBoxBody.Text,
            });

            _messageLogic.Update(new MessageInfoBindingModel
            {
                MessageId = MessageId,
                IsChecked = true,
                Reply = textBoxBody.Text
            });

            MessageBox.Show("Отправка прошла успешно", "Сообщение", MessageBoxButtons.OK);
            DialogResult = DialogResult.OK;
            Close();
        }

        /// <summary>
        /// Кнопка "Отмена"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonCancel_Click(object sender, EventArgs e)
        {
            DialogResult = DialogResult.Cancel;
            Close();
        }
    }
}