import '../model/music.dart';
import '../model/spot.dart';
import '../persistence/database_loader.dart';
import '../persistence/database_saver.dart';
import '../persistence/database_searcher.dart';
import '../persistence/loader.dart';

import '../persistence/saver.dart';
import '../model/user.dart';
import '../persistence/searcher.dart';

class Controller {
  static Controller? _this;

  static Saver saver = DatabaseSaver();
  static Loader loader = DatabaseLoader();
  static Searcher _searcher = DatabaseSearcher();

  User currentUser = User("", "");

  factory Controller() {
    if (_this == null) _this = Controller._();
    return _this!;
  }

  Controller._();

  void save(User userToSave) {
    saver.save(userToSave);
  }

  Future<void> load(String username, String password) async {
    changeCurrentUser(await loader.load(username, password));
  }

  User createUser(String username, String password) {
    return User(username, password);
  }

  void changeCurrentUser(User user) {
    this.currentUser = user;
  }

  void changeUsernameCourant(String newName) {
    if (newName != null) {
      this.currentUser.usernameDafl = newName;
    }
  }

  void changePasswordCourant(String newPass) {
    if (newPass != null) {
      this.currentUser.passwDafl = newPass;
    }
  }

  Future<bool> searchByUsername(String username) async {
    return await _searcher.searchByUsername(username);
  }

  void chargeExample(){
    currentUser.spots = [
      Spot( User('Félix','1234'), Music('Couleurs','Khali','https://khaligidilit.com/assets/images/cover-LAI%CC%88LA-Khali.jpeg')),
      Spot( User('Audric','1234'), Music("J'suis PNL",'PNL','https://m.media-amazon.com/images/I/61aUOMzwS8L._SL1440_.jpg')),
      Spot( User('Dorian','1234'), Music('Sundance','Nepal','https://pbs.twimg.com/media/ExJ-My-XMAE3Ko2.jpg')),
      Spot( User('Lucas','1234'), Music('Eternelle 2','So La Lune','https://cdns-images.dzcdn.net/images/cover/2818a661c6d533155ce6dffc256b1f51/500x500.jpg')),
      Spot( User('David','1234'), Music('M.I.L.S 3','Ninho','https://cdns-images.dzcdn.net/images/cover/b351f0e935c9c3901f8d893b92ab952a/500x500.jpg')),
      Spot( User('Hugo','1234'), Music('Deux frères','PNL','https://cdns-images.dzcdn.net/images/cover/65147b581f2ace9e0f0723ee76e70fda/500x500.jpg')),
      Spot( User('Alban','1234'), Music('Paradis','Sopico','https://cdns-images.dzcdn.net/images/cover/17a9747927ac3e5ea56f92f635d9180c/500x500.jpg')),
    ].reversed.toList();
  }
}