using ProjectGarage.Entities;
using ProjectGarage.Repositories;
using ProjectGarage.Repositories.Implementations;
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 ProjectGarage.Forms
{
    public partial class FormReplenishment : Form
    {
        private readonly IReplenishmentRepository _replenishmentRepository;


        public FormReplenishment(IReplenishmentRepository replenishmentRepository,
            IDriverRepository driverRepository, IFuelRepository fuelRepository)
        {
            InitializeComponent();
            _replenishmentRepository = replenishmentRepository ?? 
                throw new ArgumentNullException(nameof(replenishmentRepository));
            comboBoxReplenishmentDriver.DataSource = driverRepository.ReadDrivers();
            comboBoxReplenishmentDriver.DisplayMember = "Fname";
            comboBoxReplenishmentDriver.ValueMember = "Id";
            ColumnFuel.DataSource = fuelRepository.ReadFuels();
            ColumnFuel.DisplayMember = "FuelName";
            ColumnFuel.ValueMember = "Id";
        }

        private void ButtonReplenishmentSave_Click(object sender, EventArgs e)
        {
            try
            {
                if (dataGridViewReplenishment.RowCount < 1 ||
                comboBoxReplenishmentDriver.SelectedIndex < 0)
                {
                    throw new Exception("Имеются незаполненные поля");
                }
                _replenishmentRepository.CreateFuelReplenishment(FuelReplenishment.CreateOpeartion(0,
                        (int)comboBoxReplenishmentDriver.SelectedValue!, CreateListFuelFuelReplenishmentsFromDataGrid()));
                Close();
            }
            catch(Exception ex) 
            {
                MessageBox.Show(ex.Message, "Ошибка при сохранении", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

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

        private List<FuelFuelReplenishment> CreateListFuelFuelReplenishmentsFromDataGrid()
        {
            var list = new List<FuelFuelReplenishment>();
            foreach (DataGridViewRow row in dataGridViewReplenishment.Rows)
            {
                if (row.Cells["ColumnFuel"].Value == null ||
                row.Cells["ColumnAmount"].Value == null)
                {
                    continue;
                }
                list.Add(FuelFuelReplenishment.CreateElement(0, Convert.ToInt32(row.Cells["ColumnFuel"].Value),
                    Convert.ToInt32(row.Cells["ColumnAmount"].Value)));
            }
            return list;
        }
    }
}