using SushiBarBusinessLogic;
using SushiBarContracts.BindingModels;
using SushiBarContracts.SearchModels;
using SushiBarDataModels.Models;

namespace SushiBarView.Forms
{
    public partial class FormDish : Form
    {
        private readonly DishLogic _dishLogic;

        private int? _id;
        private Dictionary<int, (IIngredientModel, int)> _dishIngredients;

        public int Id { set { _id = value; } }

        public FormDish(DishLogic DishLogic)
        {
            InitializeComponent();

            _dishLogic = DishLogic;
            _dishIngredients = new Dictionary<int, (IIngredientModel, int)>();
        }

        private void FormDish_Load(object sender, EventArgs e)
        {
            if (_id.HasValue)
            {
                try
                {
                    var View = _dishLogic.ReadElement(new DishSearchModel
                    {
                        Id = _id.Value
                    });

                    if (View != null)
                    {
                        NameTextBox.Text = View.DishName;
                        CategoryTextBox.Text = View.Category;
                        PriceTextBox.Text = View.Price.ToString();

                        _dishIngredients = View.DishIngredients ?? new Dictionary<int, (IIngredientModel, int)>();
                        LoadData();
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }

        private void LoadData()
        {
            try
            {
                if (_dishIngredients != null)
                {
                    DataGridView.Rows.Clear();
                    foreach (var Ingredient in _dishIngredients)
                    {
                        DataGridView.Rows.Add(new object[] { Ingredient.Key, Ingredient.Value.Item1.IngredientName, Ingredient.Value.Item2 });
                    }

                    PriceTextBox.Text = CalcPrice().ToString();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void AddButton_Click(object sender, EventArgs e)
        {
            var Form = new FormDishIngredient(new IngredientLogic(new SushiBarDatabaseImplement.Storages.IngredientStorage()));
            if (Form.ShowDialog() == DialogResult.OK)
            {
                if (Form.IngredientModel == null)
                {
                    return;
                }

                if (_dishIngredients.ContainsKey(Form.Id))
                {
                    _dishIngredients[Form.Id] = (Form.IngredientModel, Form.Count);
                }
                else
                {
                    _dishIngredients.Add(Form.Id, (Form.IngredientModel, Form.Count));
                }

                LoadData();
            }
        }

        private void UpdateButton_Click(object sender, EventArgs e)
        {
            if (DataGridView.SelectedRows.Count == 1)
            {
                var Form = new FormDishIngredient(new IngredientLogic(new SushiBarDatabaseImplement.Storages.IngredientStorage()));
                int id = Convert.ToInt32(DataGridView.SelectedRows[0].Cells[0].Value);
                Form.Id = id;
                Form.Count = _dishIngredients[id].Item2;

                if (Form.ShowDialog() == DialogResult.OK)
                {
                    if (Form.IngredientModel == null)
                    {
                        return;
                    }

                    _dishIngredients[Form.Id] = (Form.IngredientModel, Form.Count);
                    LoadData();
                }
            }
        }

        private void DeleteButton_Click(object sender, EventArgs e)
        {
            if (DataGridView.SelectedRows.Count == 1)
            {
                if (MessageBox.Show("Удалить запись?", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    try
                    {
                        _dishIngredients?.Remove(Convert.ToInt32(DataGridView.SelectedRows[0].Cells[0].Value));
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }

                    LoadData();
                }
            }
        }

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

        private void SaveButton_Click(object sender, EventArgs e)
        {

            if (string.IsNullOrEmpty(NameTextBox.Text))
            {
                MessageBox.Show("Заполните название", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            if (string.IsNullOrEmpty(PriceTextBox.Text))
            {
                MessageBox.Show("Заполните цену", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            if (_dishIngredients == null || _dishIngredients.Count == 0)
            {
                MessageBox.Show("Заполните компоненты", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            try
            {
                var Мodel = new DishBindingModel
                {
                    Id = _id ?? 0,
                    DishName = NameTextBox.Text,
                    Category = CategoryTextBox.Text,
                    Price = Convert.ToDouble(PriceTextBox.Text),
                    DishIngredients = _dishIngredients,
                };

                var OperationResult = _id.HasValue ? _dishLogic.Update(Мodel) : _dishLogic.Create(Мodel);

                if (!OperationResult)
                {
                    throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
                }

                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 double CalcPrice()
        {
            double Price = 0;

            foreach (var Elem in _dishIngredients)
            {
                Price += ((Elem.Value.Item1?.Cost ?? 0) * Elem.Value.Item2);
            }

            return Math.Round(Price * 1.1, 2);
        }
    }
}