using Microsoft.Extensions.Logging;
using RouteGuideBusinessLogics.BusinessLogics;
using RouteGuideContracts.BindingModels;
using RouteGuideContracts.BusinessLogicsContracts;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace RouteGuideView
{
    /// <summary>
    /// Форма с тестами для сущности "Остановка"
    /// </summary>
    public partial class FormStopsTests : Form
    {
        /// <summary>
        /// Логгер
        /// </summary>
        private readonly ILogger _logger;

        /// <summary>
        /// Бизнес-логика
        /// </summary>
        private readonly IStopLogic _stopLogic;

        /// <summary>
        /// Конструктор
        /// </summary>
        /// <param name="logger"></param>
        /// <param name="stopLogic"></param>
        public FormStopsTests(ILogger<FormStopsTests> logger, IStopLogic stopLogic)
        {
            InitializeComponent();
            _logger = logger;
            _stopLogic = stopLogic;

            numericUpDownInsert.Maximum = 1000;
            numericUpDownRead.Maximum = 1000;
            numericUpDownDelete.Maximum = 1000;
        }

        /// <summary>
        /// Кнопка "Создать"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonInsert_Click(object sender, EventArgs e)
        {
            int entitiesCount = Convert.ToInt32(numericUpDownInsert.Value);
            _logger.LogInformation("StopInsertTest. Count: {Count}", entitiesCount);
            try
            {
                double time = 0;
                var stopwatch = new Stopwatch();
                for (int i = 1; i <= entitiesCount; i++)
                {
                    var model = new StopBindingModel
                    {
                        Id = 0,
                        Name = $"Остановка {i}",
                        Street = $"Улица {i}",
                        Number = i
                    };

                    stopwatch.Start();
                    var operationResult = _stopLogic.Create(model);
                    if (!operationResult)
                    {
                        throw new Exception("Ошибка при сохранении сущности 'Остановка'. Дополнительная информация в логах.");
                    }
                    stopwatch.Stop();
                    time += stopwatch.ElapsedMilliseconds;
                }
                labelInsertTime.Text = $"{Convert.ToInt32(time / entitiesCount)} ms";
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "StopInsertTest. Test failed");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        /// <summary>
        /// Кнопка "Получить"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonRead_Click(object sender, EventArgs e)
        {
            int entitiesCount = Convert.ToInt32(numericUpDownRead.Value);
            _logger.LogInformation("StopReadTest. Count: {Count}", entitiesCount);
            try
            {
                var stopwatch = new Stopwatch();
                stopwatch.Start();
                _stopLogic.ReadList(entitiesCount);
                stopwatch.Stop();
                labelReadTime.Text = $"{stopwatch.ElapsedMilliseconds} ms";
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "StopReadTest. Test failed");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        /// <summary>
        /// Кнопка "Удалить"
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void buttonDelete_Click(object sender, EventArgs e)
        {
            int entitiesCount = Convert.ToInt32(numericUpDownDelete.Value);
            _logger.LogInformation("StopDeleteTest. Count: {Count}", entitiesCount);
            try
            {
                double time = 0;
                var stopwatch = new Stopwatch();
                for (int i = 1; i <= entitiesCount; i++)
                {
                    stopwatch.Start();
                    _stopLogic.Delete();
                    stopwatch.Stop();
                    time += stopwatch.ElapsedMilliseconds;
                }
                labelDeleteTime.Text = $"{Convert.ToInt32(time / entitiesCount)} ms";
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "StopDeleteTest. Test failed");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
    }
}