using ProjectFuel.Entities;
using ProjectFuel.Entities.Enums;
using ProjectFuel.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;

namespace ProjectFuel.Forms_
{
    public partial class FormCar : Form
    {
        private readonly ICarRepository _carRepository;

        private int? _carId;

        public int Id
        {
            set
            {
                try
                {
                    var car = _carRepository.ReadCarByID(value);
                    if (car == null)
                        throw new InvalidOperationException(nameof(car));

                    foreach (Driver_License elem in Enum.GetValues(typeof(Driver_License)))
                    {
                        if ((elem & car.License) != 0)
                        {
                            checkedListBoxDriverLicense.SetItemChecked(checkedListBoxDriverLicense.Items.IndexOf(elem), true);
                        }
                    }
                    textBoxCarMark.Text = car.Car_Mark;
                    textBoxCarModel.Text = car.Car_Model;
                    comboBoxCarType.SelectedItem = car.Car_Type;
                    numericUpDownConsumptionRate.Value = (decimal)car.Consumption_Rate;

                    _carId = value;
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка при получении данных", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return;
                }
            }
        }
        public FormCar(ICarRepository carRepository)
        {
            InitializeComponent();
            _carRepository = carRepository ??
               throw new ArgumentNullException(nameof(carRepository));

            foreach (var elem in Enum.GetValues(typeof(Driver_License)))
                checkedListBoxDriverLicense.Items.Add(elem);

            comboBoxCarType.DataSource = Enum.GetValues(typeof(Car_Type));
        }
        private void ButtonCarSave_Click(object sender, EventArgs e)
        {
            try
            {
                if (string.IsNullOrWhiteSpace(textBoxCarMark.Text) || string.IsNullOrWhiteSpace(textBoxCarModel.Text) || comboBoxCarType.SelectedIndex < 1 || checkedListBoxDriverLicense.CheckedItems.Count == 0)
                    throw new Exception("Имеются незаполненные поля");

                if (_carId.HasValue)
                    _carRepository.UpdateCar(CreateCar(_carId.Value));
                else
                    _carRepository.CreateCar(CreateCar(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 Car CreateCar(int id)
        {
            Driver_License driver_License = Driver_License.None;
            foreach (var elem in checkedListBoxDriverLicense.CheckedItems)
            {
                driver_License |= (Driver_License)elem;
            }

            return Car.CreateEntity(id, textBoxCarMark.Text, textBoxCarModel.Text, (Car_Type)comboBoxCarType.SelectedItem!, driver_License, (float)numericUpDownConsumptionRate.Value);
        }
    }
}