using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.Text.RegularExpressions;
using Clemtor.Models;

namespace Clemtor.Views
{
    /// <summary>
    /// Logique d'interaction pour addProduct.xaml
    /// </summary>
    public partial class addProduct : Window
    {
        private readonly Models.Clemtor _db = new Models.Clemtor();

        public List<Models.categories> categoriesList;

        public readonly string regexName = @"^[A-Za-zéàèêëïîç\- ]+$";

        private bool nameProductIsValid = false;
        private bool imageProductIsValid = false;
        private bool descriptionProductIsValid = false;
        private bool referenceProductIsValid = false;
        private bool priceProductIsValid = false;
        private bool quantityProductIsValid = false;
        private bool categoriesListIsValid = false;


        public addProduct()
        {
            InitializeComponent();
            ComboBoxNameOfCategories();
        }

        public void ComboBoxNameOfCategories()
        {
            categoriesList = _db.categories.ToList();
            categoriesComboBox.DataContext = categoriesList;
            categoriesComboBox.SelectedValuePath = "idCategories";
        }
        private void Window_Loaded(object sender, RoutedEventArgs e)
        {

            CollectionViewSource productsViewSource = (CollectionViewSource)(this.FindResource("productsViewSource"));
        }

        public void NameProductValidation()
        {

            if (!String.IsNullOrEmpty(textBoxProductName.Text))
            {
                // si il passe la regex, return true
                if (Regex.IsMatch(textBoxProductName.Text, regexName))
                {
                    if (_db.products.Any(x => x.name == textBoxProductName.Text))
                    {
                        nameProductIsValid = false;
                        textBlockErrorNameProduct.Text = "Le nom du produit a déjà été enregistré";
                    } else
                    {
                        nameProductIsValid = true;
                        textBlockErrorNameProduct.Text = "";
                    }
                }
                else
                {
                    nameProductIsValid = false;
                    textBlockErrorNameProduct.Text = "Le nom du produit n'est pas valide";
                }
            }
            else
            {
                nameProductIsValid = false;
                textBlockErrorNameProduct.Text = "Ce champ est requis";
            }
        }
        public void imageValidation()
        {

        }

        public void DescriptionValidation()
        {
            if (String.IsNullOrEmpty(textBoxDescriptionProduct.Text))
            {
                descriptionProductIsValid = false;
                textBlockErrorDescriptionProduct.Text = "Ce champ est requis";
            }
            else
            {
                descriptionProductIsValid = true;
                textBlockErrorDescriptionProduct.Text = "";
            }
        }

        public void ReferenceValidation()
        {
            if (!String.IsNullOrEmpty(textBoxReferenceProduct.Text))
            {
                if (_db.products.Any(x => x.reference == textBoxReferenceProduct.Text))
                {
                    referenceProductIsValid = false;
                    textBlockErrorReferenceProduct.Text = "Cette référence est déjà enregistrée";
                } else
                {
                    referenceProductIsValid = true;
                    textBlockErrorReferenceProduct.Text = "";
                }
            }
            else
            {
                referenceProductIsValid = false;
                textBlockErrorReferenceProduct.Text = "Ce champ est requis";
            }
        }

        public void PriceValidation()
        {
            if (!String.IsNullOrEmpty(textBoxPriceProduct.Text))
            {
                if (float.TryParse(textBoxPriceProduct.Text, out float price) && price < 0)
                {
                    priceProductIsValid = false;
                    textBlockErrorPriceProduct.Text = "Le prix doit être des chiffres et supérieur à 0";
                }
                else
                {
                    priceProductIsValid = true;
                    textBlockErrorPriceProduct.Text = "";
                }
            }
            else
            {
                priceProductIsValid = false;
                textBlockErrorPriceProduct.Text = "Ce champ est requis";
            }
        }

        public void QuantityValidation()
        {
            if (!String.IsNullOrEmpty(textBoxQuantityProduct.Text))
            {
                if (int.TryParse(textBoxQuantityProduct.Text, out int quantity) && quantity < 0)
                {
                    quantityProductIsValid = false;
                    textBlockErrorQuantityProduct.Text = "La quantité doit être des chiffres et supérieur à 0";
                }
                else
                {
                    quantityProductIsValid = true;
                    textBlockErrorQuantityProduct.Text = "";
                }
            }
            else
            {
                quantityProductIsValid = false;
                textBlockErrorQuantityProduct.Text = "Ce champ est requis";
            }
        }

        public void CategoriesListValidation()
        {
            if (categoriesComboBox.SelectedValue == null)
            {
                categoriesListIsValid = false;
                textBlockErrorCategories.Text = "Ce champ est requis";
            }
            else
            {
                categoriesListIsValid = true;
                textBlockErrorCategories.Text = "";
            }
        }

        private void AddProductToDatabase_Click(object sender, RoutedEventArgs e)
        {
            NameProductValidation();
            imageValidation();
            DescriptionValidation();
            ReferenceValidation();
            PriceValidation();
            QuantityValidation();
            CategoriesListValidation();
            float.TryParse(textBoxPriceProduct.Text, out float price);
            int.TryParse(textBoxQuantityProduct.Text, out int quantity);
            if (categoriesComboBox.SelectedValue == null)
            {
                categoriesListIsValid = false;
                textBlockErrorCategories.Text = "Ce champ est requis";
            }
            if (nameProductIsValid && descriptionProductIsValid && referenceProductIsValid && priceProductIsValid && quantityProductIsValid && categoriesListIsValid)
            {
                try
                {
                    Models.products addProduct = new Models.products()
                    {
                        name = textBoxProductName.Text,
                        image = "default",
                        description = textBoxDescriptionProduct.Text,
                        prix = price,
                        quantity = quantity,
                        reference = textBoxReferenceProduct.Text,
                        idUser = userConnected.IdUserConnected,
                        idCategories = Convert.ToInt32(categoriesComboBox.SelectedValue)
                    };
                    _db.products.Add(addProduct);
                    _db.SaveChanges();
                    MessageBox.Show("Ajout d'un produit avec succès", "Succès", MessageBoxButton.OK, MessageBoxImage.Information);
                    textBoxProductName.Text = null;
                    textBoxDescriptionProduct.Text = null;
                    textBoxPriceProduct.Text = null;
                    textBoxQuantityProduct.Text = null;
                    textBoxReferenceProduct.Text = null;
                }
                catch (Exception ex)
                {
                    throw ex;
                }
            }
        }
        /// <summary>
        /// Méthode afin d'acceder a la fenêtre menuAdmin
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void BtnBack_Click(object sender, RoutedEventArgs e)
        {
            menuAdmin windowMenuAdmin = new menuAdmin();
            windowMenuAdmin.Show();
            this.Close();
        }
    }
}