using Contracts.BindingModels;
using Contracts.BusinessLogicsContracts;
using Contracts.SearchModels;
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 Forms
{
    public partial class ProviderForm : Form
    {
        private int? _id;
        private readonly IProviderLogic _pLogic;
        private readonly IOrganisationTypeLogic _oLogic;
        private bool isEdited;

        public ProviderForm(IProviderLogic plogic, IOrganisationTypeLogic ologic, int? id = null)
        {
            InitializeComponent();
            _pLogic = plogic;
            _oLogic = ologic;
            _id = id;
            isEdited = false;
            LoadData();
        }

        private void LoadData()
        {
            var list = _oLogic.ReadList(null);
            if (list != null)
            {
                List<string> strList = new List<string>();
                foreach (var item in list)
                {
                    strList.Add(item.Name);
                }
                controlSelectedComboBoxList.AddList(strList);
            }
            if (_id.HasValue)
            {
                var view = _pLogic.ReadElement(new ProviderSearchModel
                {
                    Id = _id.Value,
                });
                textBoxFurnitureType.Text = view.FurnitureType;
                textBoxName.Text = view.Name;
                if (view.DateLastDelivery != "Поставок не было") controlInputNullableDate.Value = Convert.ToDateTime(view.DateLastDelivery);
                controlSelectedComboBoxList.SelectedElement = view!.OrganisationType;
                isEdited = false;
            }
        }

        private void OnInputChange(object sender, EventArgs e)
        {
            isEdited = true;
        }

        private void buttonAdd_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(textBoxName.Text))
            {
                MessageBox.Show("Заполните поле Название", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (string.IsNullOrEmpty(textBoxFurnitureType.Text))
            {
                MessageBox.Show("Заполните Перечень мебели ", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (string.IsNullOrEmpty(controlSelectedComboBoxList.SelectedElement))
            {
                MessageBox.Show("Выберите Тип организации", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            isEdited = false;
            try
            {
                var model = new ProviderBindingModel
                {
                    Id = _id ?? 0,
                    Name = textBoxName.Text,
                    FurnitureType = textBoxFurnitureType.Text,
                    DateLastDelivery = controlInputNullableDate.Value.ToString() == "" ? "Поставок не было" : controlInputNullableDate.Value.ToString(),
                    OrganisationType = controlSelectedComboBoxList.SelectedElement
                };
                var OperationResult = _id.HasValue ? _pLogic.Update(model) : _pLogic.Create(model);
                if (!OperationResult)
                {
                    throw new Exception("Ошибка при создании поставщика.");
                }
                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
                DialogResult = DialogResult.OK;
                Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void ProviderForm_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (!isEdited) return;
            var confirmResult = MessageBox.Show("Вы не сохранили изменения.\nВы действительно хотите выйти?", "Подтвердите действие",
                MessageBoxButtons.YesNo,
                MessageBoxIcon.Question
            );

            if (confirmResult == DialogResult.No) e.Cancel = true;
        }

        private void buttonCancel_Click(object sender, EventArgs e)
        {
            DialogResult = DialogResult.Cancel;
            Close();
        }
    }
}