using Microsoft.Extensions.Logging;
using RouteGuideBusinessLogics.BusinessLogics;
using RouteGuideContracts.BindingModels;
using RouteGuideContracts.BusinessLogicsContracts;

namespace RouteGuideView
{
    /// <summary>
    /// Форма для вывода списка расписаний
    /// </summary>
    public partial class FormMain : Form
    {
        /// <summary>
        /// Логгер
        /// </summary>
        private readonly ILogger _logger;

        /// <summary>
        /// Бизнес-логика для расписаний
        /// </summary>
        private readonly IScheduleLogic _schedulelogic;

        /// <summary>
        /// Конструктор
        /// </summary>
        /// <param name="logger"></param>
        /// <param name="scheduleLogic"></param>
        public FormMain(ILogger<FormMain> logger, IScheduleLogic scheduleLogic)
        {
            InitializeComponent();
            _logger = logger;
            _schedulelogic = scheduleLogic;
        }

        /// <summary>
        /// Загрузка данных
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void FormMain_Load(object sender, EventArgs e)
        {
            LoadData();
        }

        /// <summary>
        /// Форма для вывода списка водителей
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void DrviversToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormDrivers));
            if (service is FormDrivers form)
            {
                form.ShowDialog();
            }
        }

        /// <summary>
        /// Форма для вывода списка транспорта
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void TransportToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormTransports));
            if (service is FormTransports form)
            {
                form.ShowDialog();
            }
        }

        /// <summary>
        /// Форма для вывода списка маршрутов
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void RoutesToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormRoutes));
            if (service is FormRoutes form)
            {
                form.ShowDialog();
            }
        }

        /// <summary>
        /// Форма для вывода списка остановок
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void StopsToolStripMenuItem_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormStops));
            if (service is FormStops form)
            {
                form.ShowDialog();
            }
        }

        /// <summary>
        /// Кнопка "Создать"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonCreate_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormSchedule));
            if (service is FormSchedule form)
            {
                if (form.ShowDialog() == DialogResult.OK)
                {
                    LoadData();
                }
            }
        }

        /// <summary>
        /// Кнопка "Изменить"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonUpdate_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count == 1)
            {
                var service = Program.ServiceProvider?.GetService(typeof(FormSchedule));
                if (service is FormSchedule form)
                {
                    form.Id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
                    if (form.ShowDialog() == DialogResult.OK)
                    {
                        LoadData();
                    }
                }
            }
        }

        /// <summary>
        /// Кнопка "Удалить"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonDelete_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count == 1)
            {
                if (MessageBox.Show("Удалить запись?", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);
                    _logger.LogInformation("Удаление сущности 'Расписание'");

                    try
                    {
                        if (!_schedulelogic.Delete(new ScheduleBindingModel { Id = id }))
                        {
                            throw new Exception("Ошибка при удалении сущности 'Расписание'. Дополнительная информация в логах.");
                        }
                        LoadData();
                    }
                    catch (Exception ex)
                    {
                        _logger.LogError(ex, "Ошибка удаления сущности 'Расписание'");
                        MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                }
            }
        }

        /// <summary>
        /// Кнопка "Обновить"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonRefresh_Click(object sender, EventArgs e)
        {
            LoadData();
        }

        /// <summary>
        /// Загрузка данных
        /// </summary>
        private void LoadData()
        {
            try
            {
                var list = _schedulelogic.ReadList(null);
                if (list != null)
                {
                    dataGridView.DataSource = list;
                    dataGridView.Columns["Id"].Visible = false;
                    dataGridView.Columns["RouteId"].Visible = false;
                    dataGridView.Columns["RouteName"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
                }
                _logger.LogInformation("Загрузка списка расписаний");
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка загрузки списка расписаний");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
    }
}