class AuthenticatedProfile {
  const AuthenticatedProfile({
    required this.id,
    required this.nom,
    required this.prenom,
    required this.email,
    required this.classe,
    required this.roleCode,
    required this.roleLabel,
    required this.campusId,
    required this.campusNom,
    required this.campusVille,
  });

  final int id;
  final String nom;
  final String prenom;
  final String email;
  final String? classe;
  final String roleCode;
  final String roleLabel;
  final int campusId;
  final String campusNom;
  final String campusVille;

  factory AuthenticatedProfile.fromApi(dynamic reponse) {
    if (reponse is! Map || reponse["data"] is! Map) {
      throw const FormatException("Profil utilisateur invalide.");
    }

    final data = reponse["data"] as Map;
    final role = data["role"];
    final campus = data["campus"];
    if (role is! Map || campus is! Map) {
      throw const FormatException("Role ou campus utilisateur invalide.");
    }

    final id = data["id"];
    final campusId = campus["id"];
    if (id is! int || campusId is! int) {
      throw const FormatException("Identifiant utilisateur invalide.");
    }

    final classe = data["classe"];
    if (classe != null && classe is! String) {
      throw const FormatException("Classe utilisateur invalide.");
    }

    return AuthenticatedProfile(
      id: id,
      nom: _requiredString(data, "nom"),
      prenom: _requiredString(data, "prenom"),
      email: _requiredString(data, "email"),
      classe: classe as String?,
      roleCode: _requiredString(role, "code"),
      roleLabel: _requiredString(role, "libelle"),
      campusId: campusId,
      campusNom: _requiredString(campus, "nom"),
      campusVille: _requiredString(campus, "ville"),
    );
  }

  String get fullName => "$prenom $nom";

  String get initials {
    final first = prenom.trim().isEmpty ? "" : prenom.trim()[0];
    final last = nom.trim().isEmpty ? "" : nom.trim()[0];
    return "$first$last".toUpperCase();
  }

  String get campusTag => "$campusNom · $campusVille";

  String get subtitle {
    final details = <String>[roleLabel];
    final studentClass = classe?.trim();
    if (studentClass != null && studentClass.isNotEmpty) {
      details.add(studentClass);
    }
    details.add(campusTag);
    return details.join(" · ");
  }

  static String _requiredString(Map source, String key) {
    final value = source[key];
    if (value is! String || value.trim().isEmpty) {
      throw FormatException("Champ utilisateur invalide : $key.");
    }
    return value.trim();
  }
}