import 'package:equatable/equatable.dart';

/// Statut d'un rapport trimestriel Contrôleur Interne.
enum StatutRapport { draft, signe, archive, inconnu }

extension StatutRapportX on StatutRapport {
  String get code => switch (this) {
        StatutRapport.draft => 'DRAFT',
        StatutRapport.signe => 'SIGNE',
        StatutRapport.archive => 'ARCHIVE',
        StatutRapport.inconnu => '',
      };

  String get libelle => switch (this) {
        StatutRapport.draft => 'Brouillon',
        StatutRapport.signe => 'Signé',
        StatutRapport.archive => 'Archivé',
        StatutRapport.inconnu => 'Inconnu',
      };

  /// Couleur sémantique Material 3.
  String get severite => switch (this) {
        StatutRapport.draft => 'warning',
        StatutRapport.signe => 'info',
        StatutRapport.archive => 'success',
        StatutRapport.inconnu => 'secondary',
      };

  static StatutRapport fromCode(String? code) {
    return switch (code) {
      'DRAFT' => StatutRapport.draft,
      'SIGNE' => StatutRapport.signe,
      'ARCHIVE' => StatutRapport.archive,
      _ => StatutRapport.inconnu,
    };
  }
}

/// Rapport trimestriel Contrôleur Interne (miroir mobile du backend P2-NEW-3).
class RapportTrimestriel extends Equatable {
  final String id;
  final String organisationId;
  final int annee;
  final int trimestre;
  final DateTime? dateGeneration;
  final StatutRapport statut;
  final int scoreConformite;
  final String? signataireId;
  final DateTime? dateSignature;
  final String? hashSha256;

  const RapportTrimestriel({
    required this.id,
    required this.organisationId,
    required this.annee,
    required this.trimestre,
    required this.dateGeneration,
    required this.statut,
    required this.scoreConformite,
    this.signataireId,
    this.dateSignature,
    this.hashSha256,
  });

  bool get estDraft => statut == StatutRapport.draft;
  bool get estSigne => statut == StatutRapport.signe;
  bool get estArchive => statut == StatutRapport.archive;

  String get libellePeriode => 'T$trimestre / $annee';

  /// Couleur sémantique du score (success >= 80, warning >= 60, danger < 60).
  String get scoreSeverite {
    if (scoreConformite >= 80) return 'success';
    if (scoreConformite >= 60) return 'warning';
    return 'danger';
  }

  @override
  List<Object?> get props => [
        id, organisationId, annee, trimestre, dateGeneration, statut,
        scoreConformite, signataireId, dateSignature, hashSha256,
      ];
}