using FlowerShopContracts.BusinessLogicsContracts;
using FlowerShopContracts.SearchModels;
using FlowerShopContracts.ViewModels;
using FlowerShopDataModels.Models;
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 ProjectFlowerShop
{
    public partial class SellForm : Form
    {
        private readonly List<FlowerViewModel>? _flowerList;
        IShopLogic _shopLogic;
        IFlowerLogic _flowerLogic;
        public SellForm(IFlowerLogic flowerLogic, IShopLogic shopLogic)
        {
            InitializeComponent();
            _shopLogic = shopLogic;
            _flowerLogic = flowerLogic;
            _flowerList = flowerLogic.ReadList(null);
            if (_flowerList != null)
            {
                comboBoxFlower.DisplayMember = "FlowerName";
                comboBoxFlower.ValueMember = "Id";
                comboBoxFlower.DataSource = _flowerList;
                comboBoxFlower.SelectedItem = null;
            }
        }
        public int FlowerId
        {
            get
            {
                return Convert.ToInt32(comboBoxFlower.SelectedValue);
            }
            set
            {
                comboBoxFlower.SelectedValue = value;
            }
        }

        public IFlowerModel? FlowerModel
        {
            get
            {
                if (_flowerList == null)
                {
                    return null;
                }
                foreach (var elem in _flowerList)
                {
                    if (elem.Id == FlowerId)
                    {
                        return elem;
                    }
                }
                return null;
            }
        }


        public int Count
        {
            get { return Convert.ToInt32(textBoxCount.Text); }
            set
            { textBoxCount.Text = value.ToString(); }
        }

        private void buttonSave_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(textBoxCount.Text))
            {
                MessageBox.Show("Заполните поле Количество", "Ошибка",
               MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (comboBoxFlower.SelectedValue == null)
            {
                MessageBox.Show("Выберите цветы", "Ошибка",
               MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            try
            {
                int count = Convert.ToInt32(textBoxCount.Text);

                bool res = _shopLogic.MakeSell(
                    _flowerLogic.ReadElement(new() { Id = Convert.ToInt32(comboBoxFlower.SelectedValue) }),
                    count
                );

                if (!res)
                {
                    throw new Exception("Ошибка при продаже.");
                }

                MessageBox.Show("Продажа прошла успешно");
                DialogResult = DialogResult.OK;
                Close();

            }
            catch (Exception err)
            {
                MessageBox.Show("Ошибка продажи");
                return;
            }
        }

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