using StudentPerformanceContracts.BindingModels;
using StudentPerformanceContracts.BusinessLogicContracts;
using StudentPerformanceContracts.SearchModels;
using StudentPerformanceContracts.ViewModels;
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 Lab3Form
{
    public partial class FormStudent : Form
    {
        public int? _id;
        private readonly IStudentLogic _logic;
        private readonly IFormatLogic _formatLogic;
        private List<FormatViewModel> _Formats;
        public int Id { set { _id = value; } }

        public FormStudent(IStudentLogic logic, IFormatLogic formatLogic)
        {
            InitializeComponent();

            _logic = logic;
            _formatLogic = formatLogic;
            _Formats = new List<FormatViewModel>();
            _Formats = _formatLogic.ReadList(null);
            var cityNames = _Formats.Select(city => city.Name).ToList();
            customListBox1.PopulateListBox(cityNames);
            var orderStatuses = new List<string> { "Очное", "Заочное", "Очно-заочное", "Дистанционное" };
            listBox1.Items.AddRange(orderStatuses.ToArray());
            DateTime now = DateTime.Now;
            customInputRangeDate1.MinDate = now.AddYears(-6);
            customInputRangeDate1.MaxDate = now;
            this.Load += FormOrder_Load;
        }

        private void FormOrder_Load(object sender, EventArgs e)
        {
            if (_id.HasValue)
            {
                try
                {
                    StudentSearchModel searchModel = new StudentSearchModel { Id = _id.Value };
                    StudentViewModel orderViewModel = _logic.ReadElement(searchModel);

                    if (orderViewModel != null)
                    {
                        textBoxFIO.Text = orderViewModel.Fullname;

                        FormatViewModel selectedCity = _Formats.FirstOrDefault(city => city.Id == orderViewModel.FormatId);
                        if (selectedCity != null)
                        {
                            customListBox1.SelectedItem = selectedCity.Name;
                        }

                        customInputRangeDate1.Date = orderViewModel.AdmissionDate;

                        foreach (string status in orderViewModel.AverageScore)
                        {
                            int index = listBox1.Items.IndexOf(status);
                            if (index != -1)
                            {
                                listBox1.SetSelected(index, true);
                            }
                        }
                    }
                    else
                    {
                        MessageBox.Show("Студент с указанным ID не найден.", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }

    private void buttonSave_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(textBoxFIO.Text))
            {
                MessageBox.Show("Заполните ФИО студента", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            if (customListBox1.SelectedItem == null)
            {
                MessageBox.Show("Укажите форму обучения", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            try
            {
                var model = new StudentBindingModel
                {
                    Id = _id ?? 0,
                    Fullname = textBoxFIO.Text,
                    FormatId = _Formats.First(x => x.Name == customListBox1.SelectedItem).Id,
                    AdmissionDate = customInputRangeDate1.Date,
                    AverageScore = listBox1.SelectedItems.Cast<string>().ToList(),
                };
                var operationResult = _id.HasValue ? _logic.Update(model) : _logic.Create(model);
                if (!operationResult)
                {
                    throw new Exception("Возникла ошибка при сохранении. Дополнительная информация в логах");
                }
                MessageBox.Show("Сохранение прошло успешно", "Успешное сохранение", MessageBoxButtons.OK, MessageBoxIcon.Information);
                DialogResult = DialogResult.OK;
                Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
    }
}