using Hermes.Model;
using System;
using System.Data.Entity;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Input;
using System.Windows.Data;

namespace Hermes {
    /// <summary>
    /// Logique d'interaction pour MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window {
        private ModelContext dbContext = null;
        private CitoyenModal citoyenModal = new CitoyenModal();
        private PreferencesModal preferencesModal = new PreferencesModal();
        private CollectionViewSource citoyenCollectionViewSource = null;
        private bool isEnabledFilter = false;

        public MainWindow() {
            dbContext = ModelContext.Getinstance();
            //dbContext.Database.Log = log => System.Console.WriteLine(log);
            dbContext.Database.CreateIfNotExists();

            InitializeComponent();
        }

        private void Window_Loaded(object sender, RoutedEventArgs e) {
            citoyenModal.Owner = this;
            preferencesModal.Owner = this;
            dbContext.CitoyenSet.Load();
            dbContext.Preferences.Load();
            citoyenCollectionViewSource = (CollectionViewSource) this.FindResource("citoyenCollectionViewSource");
            citoyenCollectionViewSource.Source = dbContext.CitoyenSet.Local;
            //dgCitoyens.ItemsSource = dbContext.CitoyenSet.Local;
        }

        private void Options_Click(object sender, RoutedEventArgs e) {
            preferencesModal.ShowDialog();
        }

        private void Ajouter_Click(object sender, RoutedEventArgs e) {
            citoyenModal.EnableCreateMode();
            citoyenModal.ShowDialog();
        }

        private void Supprimer_Click(object sender, RoutedEventArgs e) {
            if(dgCitoyens.SelectedItems.Count > 0) {
                MessageBoxResult result = MessageBox.Show("Voulez-vous supprimer ces citoyens ?", "Suppression", MessageBoxButton.YesNo, MessageBoxImage.Question);
                if(result == MessageBoxResult.Yes) {
                    List<Citoyen> clist = new List<Citoyen>();
                    foreach(Citoyen c in dgCitoyens.SelectedItems) {
                        clist.Add(c);
                    }
                    foreach(Citoyen c in clist) {
                        dbContext.CitoyenSet.Remove(c);
                    }
                    dbContext.SaveChanges();
                }
            } else {
                MessageBox.Show("Aucun citoyen sélectionné", "Suppression", MessageBoxButton.OK, MessageBoxImage.Exclamation);
            }
        }

        private void DgCitoyen_DoubleClick(object sender, MouseButtonEventArgs e) {
            if(dgCitoyens.SelectedItem != null) {
                citoyenModal.EnableEditMode((Citoyen) dgCitoyens.SelectedItem);
                citoyenModal.ShowDialog();
            }
        }

        private void Rechercher_Click(object sender, RoutedEventArgs e) {
            if(isEnabledFilter) {
                citoyenCollectionViewSource.View.Refresh();
            } else {
                citoyenCollectionViewSource.Filter += new FilterEventHandler(CitoyenFilter);
                isEnabledFilter = true;
            }
        }

        private void Reinitialiser_Click(object sender, RoutedEventArgs e) {
            if(isEnabledFilter) {
                citoyenCollectionViewSource.Filter -= new FilterEventHandler(CitoyenFilter);
                isEnabledFilter = false;
            }
            ageOperationFilterComboBox.SelectedIndex = 0;
            ageFilterTextBox.Text = null;
            professionFilterTextBox.Text = null;
            quartierFilterTextBox.Text = null;
            adresseFilterTextBox.Text = null;
            residenceFilterComboBox.SelectedIndex = 0;
        }

        protected override void OnClosed(EventArgs e) {
            dbContext.Dispose();
            base.OnClosed(e);
            Application.Current.Shutdown();
        }

        private void CitoyenFilter(object sender, FilterEventArgs e) {
            Citoyen citoyen = (Citoyen) e.Item;
            e.Accepted = true;
            if(citoyen != null) {
                if(!String.IsNullOrEmpty(professionFilterTextBox.Text)) {
                    if(citoyen.Profession == null || !citoyen.Profession.ToLower().Contains(professionFilterTextBox.Text.ToLower())) {
                        e.Accepted = false;
                        return;
                    }
                }

                try {
                    int ageFilter = Int32.Parse(ageFilterTextBox.Text);
                    if(!citoyen.AgeInt.HasValue
                    || (ageOperationFilterComboBox.SelectedIndex == 0 && ageFilter != citoyen.AgeInt)
                    || (ageOperationFilterComboBox.SelectedIndex == 1 && ageFilter >= citoyen.AgeInt)
                    || (ageOperationFilterComboBox.SelectedIndex == 2 && ageFilter <= citoyen.AgeInt)) {
                        e.Accepted = false;
                        return;
                    }
                } catch(Exception) { }

                if(!String.IsNullOrEmpty(quartierFilterTextBox.Text)) {
                    if(citoyen.Quartier == null || !citoyen.Quartier.ToLower().Contains(quartierFilterTextBox.Text.ToLower())) {
                        e.Accepted = false;
                        return;
                    }
                }

                string addrBat = citoyen.AdresseBatiment == null ? "" : citoyen.AdresseBatiment;
                string addr = $"{citoyen.AdresseNumero} {citoyen.AdresseRue} {addrBat}".ToLower();
                if(!String.IsNullOrEmpty(adresseFilterTextBox.Text)) {
                    if(!addr.Contains(adresseFilterTextBox.Text.ToLower())) {
                        e.Accepted = false;
                        return;
                    }
                }

                if((residenceFilterComboBox.SelectedIndex == 1 && citoyen.TypeResidence != false)
                || (residenceFilterComboBox.SelectedIndex == 2 && citoyen.TypeResidence != true)) {
                    e.Accepted = false;
                    return;
                }
            }
        }
    }
}