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 FormService : Form
    {
        private readonly IServiceLogic _serviceLogic;
        private readonly StorageModel _mongoLogic;
        public FormService(IServiceLogic serviceLogic, StorageModel mongoLogic)
        {
            InitializeComponent();
            _serviceLogic = serviceLogic;
            _mongoLogic = mongoLogic;
        }

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

        private void ButtonCreate_Click(object sender, EventArgs e)
        {
            Service newService = new()
            {
                Name = textBoxName.Text,
                Price = (double)numericUpDownPrice.Value,
            };
            if (Program.isPostgreSQL)
                _serviceLogic.Create(newService);
            else 
                _mongoLogic.AddService(newService);

            LoadData();
        }

        private void LoadData()
        {

            dataGridView.Rows.Clear();

            if (dataGridView.ColumnCount == 0)
            {
                dataGridView.Columns.Add("Id", "ID");
                dataGridView.Columns.Add("Name", "Название");
                dataGridView.Columns.Add("Price", "Цена");
            }

            dataGridView.Columns["Id"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            dataGridView.Columns["Name"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            dataGridView.Columns["Price"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;

            if (Program.isPostgreSQL)
            {
                var services = _serviceLogic.GetAll();
                foreach (var service in services)
                {
                    dataGridView.Rows.Add(service.Id, service.Name, service.Price);
                }
            } else
            {
                var services = _mongoLogic.GetServices();
                foreach (var service in services)
                {
                    dataGridView.Rows.Add(service.Id, service.Name, service.Price);
                }
            }

                
        }

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

                    Service updatedService = new()
                    {
                        Id = serviceId,
                        Name = textBoxName.Text,
                        Price = (double)numericUpDownPrice.Value
                    };

                    _serviceLogic.Update(updatedService);
                } else
                {
                    string? serviceId = selectedRow.Cells["Id"].Value.ToString();

                    MongoService mongoService = new() 
                    {
                        Id = serviceId,
                        Name = textBoxName.Text,
                        Price = numericUpDownPrice.Value.ToString()
                    };

                    _mongoLogic.UpdateService(mongoService);

                }


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

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

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

                    _mongoLogic.DeleteService(serviceId);
                }
                

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

        private void DataGridView_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            if (e.RowIndex >= 0)
            {
                DataGridViewRow row = dataGridView.Rows[e.RowIndex];
                textBoxName.Text = row.Cells["Name"].Value.ToString();
                numericUpDownPrice.Text = row.Cells["Price"].Value.ToString();
            }
        }
    }
}