using HotelAbstractions.Logic;
using HotelAbstractions.Models;
using HotelMongoDB.Models;
using HotelMongoDB.StorageContracts;
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 HotelView
{
    public partial class FormHotel : Form
    {
        private readonly IHotelLogic _hotelLogic;
        private readonly StorageModel _mongoLogic;
        public FormHotel(IHotelLogic hotelLogic, StorageModel mongoLogic)
        {
            InitializeComponent();
            _hotelLogic = hotelLogic;
            _mongoLogic = mongoLogic;
        }

        private void FormHotel_Load(object sender, EventArgs e)
        {
            LoadData();
        }

        private void ButtonCreate_Click(object sender, EventArgs e)
        {
            Hotel newHotel = new()
            {
                HotelName = textBoxName.Text,
                Address = textBoxAddress.Text,
                CountStar = (int)numericUpDownCountStar.Value,
                CountRoom = (int)numericUpDownCountRoom.Value,
            };

            if (Program.isPostgreSQL)
                _hotelLogic.Create(newHotel);
            else
                _mongoLogic.AddHotel(newHotel);

            LoadData();
        }

        private void LoadData()
        {
            dataGridView.Rows.Clear();

            if (dataGridView.ColumnCount == 0)
            {
                dataGridView.Columns.Add("Id", "ID");
                dataGridView.Columns.Add("HotelName", "Название");
                dataGridView.Columns.Add("Address", "Адрес");
                dataGridView.Columns.Add("CountStar", "Количество звезд");
                dataGridView.Columns.Add("CountRoom", "Количество комнат");
            }

            dataGridView.Columns["Id"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            dataGridView.Columns["HotelName"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            dataGridView.Columns["Address"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            dataGridView.Columns["CountStar"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            dataGridView.Columns["CountRoom"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;

            if (Program.isPostgreSQL)
            {
                var hotels = _hotelLogic.GetAll();

                foreach (var hotel in hotels)
                {
                    dataGridView.Rows.Add(hotel.Id, hotel.HotelName, hotel.Address, hotel.CountStar, hotel.CountRoom);
                }
            }
            else
            {
                var hotels = _mongoLogic.GetHotels();
                foreach (var hotel in hotels)
                {
                    dataGridView.Rows.Add(hotel.Id, hotel.HotelName, hotel.Address, hotel.CountStar, hotel.CountRoom);
                }
            }
        }

        private void ButtonUpdate_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count > 0)
            {
                DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
                if (Program.isPostgreSQL)
                {
                    int hotelId = Convert.ToInt32(selectedRow.Cells["Id"].Value);

                    Hotel updatedHotel = new()
                    {
                        Id = hotelId,
                        HotelName = textBoxName.Text,
                        Address = textBoxAddress.Text,
                        CountStar = (int)numericUpDownCountStar.Value,
                        CountRoom = (int)numericUpDownCountRoom.Value,
                    };

                    _hotelLogic.Update(updatedHotel);
                }
                else
                {
                    string? hotelId = selectedRow.Cells["Id"].Value.ToString();

                    MongoHotel updatedHotel = new()
                    {
                        Id = hotelId,
                        HotelName = textBoxName.Text,
                        Address = textBoxAddress.Text,
                        CountStar = numericUpDownCountStar.Value.ToString(),
                        CountRoom = numericUpDownCountRoom.Value.ToString(),
                    };

                    _mongoLogic.UpdateHotel(updatedHotel);
                }

                LoadData();
            }
            else
            {
                MessageBox.Show("Пожалуйста, выберите hotel, информацию о котором необходимо обновить");
            }
        }

        private void ButtonDelete_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count > 0)
            {
                DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
                if (Program.isPostgreSQL)
                {
                    int hotelId = Convert.ToInt32(selectedRow.Cells["Id"].Value);

                    _hotelLogic.Delete(hotelId);
                }
                else
                {
                    string? hotelId = selectedRow.Cells["Id"].Value.ToString();

                    _mongoLogic.DeleteHotel(hotelId);
                }

                LoadData();
            }
            else
            {
                MessageBox.Show("Пожалуйста, выберите hotel, информацию о котором необходимо удалить");
            }
        }

        private void DataGridView_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            if (e.RowIndex >= 0)
            {
                DataGridViewRow row = dataGridView.Rows[e.RowIndex];
                textBoxName.Text = row.Cells["HotelName"].Value.ToString();
                textBoxAddress.Text = row.Cells["Address"].Value.ToString();
                numericUpDownCountStar.Text = row.Cells["CountStar"].Value.ToString();
                numericUpDownCountRoom.Text = row.Cells["CountRoom"].Value.ToString();
            }
        }
    }
}