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;
using static System.Windows.Forms.VisualStyles.VisualStyleElement.TaskbarClock;

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

        /// <summary>
        /// Бизнес-логика для расписания
        /// </summary>
        private readonly IScheduleLogic _scheduleLogic;

        /// <summary>
        /// Бизнес-логика для маршрутов
        /// </summary>
        private readonly IRouteLogic _routeLogic;

        /// <summary>
        /// Конструктор
        /// </summary>
        /// <param name="logger"></param>
        /// <param name="scheduleLogic"></param>
        /// <param name="routeLogic"></param>
        public FormSchedulesTests(ILogger<FormSchedulesTests> logger, IScheduleLogic scheduleLogic, IRouteLogic routeLogic)
        {
            InitializeComponent();
            _logger = logger;
            _scheduleLogic = scheduleLogic;
            _routeLogic = routeLogic;

            numericUpDownInsert.Maximum = 10000;
            numericUpDownRead.Maximum = 10000;
            numericUpDownDelete.Maximum = 10000;
        }

        /// <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("ScheduleInsertTest. Count: {Count}", entitiesCount);
            try
            {
                double time = 0;
                var stopwatch = new Stopwatch();
                int routeId = _routeLogic.ReadList(1)![0].Id;
                for (int i = 1; i <= entitiesCount; i++)
                {
                    var model = new ScheduleBindingModel
                    {
                        Id = 0,
                        Date = DateTime.Now,
                        DepartureTime = DateTime.MinValue,
                        ArrivalTime = DateTime.MaxValue,
                        Frequency = DateTime.MinValue,
                        RouteId = routeId
                    };

                    stopwatch.Restart();
                    var operationResult = _scheduleLogic.Create(model);
                    if (!operationResult)
                    {
                        throw new Exception("Ошибка при сохранении сущности 'Расписание'. Дополнительная информация в логах.");
                    }
                    stopwatch.Stop();
                    time += stopwatch.ElapsedMilliseconds;
                }
                labelInsertTime.Text = $"Total time: {Convert.ToInt32(time)} ms / Average time: {Convert.ToInt32(time / entitiesCount)} ms";
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "ScheduleInsertTest. 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("ScheduleReadTest. Count: {Count}", entitiesCount);
            try
            {
                var stopwatch = new Stopwatch();
                stopwatch.Start();
                _scheduleLogic.ReadList(entitiesCount);
                stopwatch.Stop();
                labelReadTime.Text = $"Total time: {Convert.ToInt32(stopwatch.ElapsedMilliseconds)} ms / Average time: {Convert.ToInt32(stopwatch.ElapsedMilliseconds / entitiesCount)} ms";
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "ScheduleReadTest. 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("ScheduleDeleteTest. Count: {Count}", entitiesCount);
            try
            {
                double time = 0;
                var stopwatch = new Stopwatch();
                for (int i = 1; i <= entitiesCount; i++)
                {
                    stopwatch.Restart();
                    _scheduleLogic.Delete();
                    stopwatch.Stop();
                    time += stopwatch.ElapsedMilliseconds;
                }
                labelDeleteTime.Text = $"Total time: {Convert.ToInt32(time)} ms / Average time: {Convert.ToInt32(time / entitiesCount)} ms";
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "ScheduleDeleteTest. Test failed");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
    }
}