# Services pour la logique métier

# Import des nouveaux services refactorisés
from .assessment_services import (
    AssessmentProgressService,
    StudentScoreCalculator, 
    AssessmentStatisticsService,
    UnifiedGradingCalculator,
    GradingStrategyFactory
)

# Import de l'ancien service pour rétrocompatibilité
import importlib.util
import os

# Charger AssessmentService depuis services.py
try:
    services_file_path = os.path.join(os.path.dirname(__file__), '..', 'services.py')
    spec = importlib.util.spec_from_file_location("legacy_services", services_file_path)
    legacy_services = importlib.util.module_from_spec(spec)
    spec.loader.exec_module(legacy_services)
    AssessmentService = legacy_services.AssessmentService
except Exception:
    # Fallback en cas d'erreur
    class AssessmentService:
        """Fallback pour AssessmentService"""
        pass

__all__ = [
    'AssessmentService',  # Service legacy
    'AssessmentProgressService',
    'StudentScoreCalculator',
    'AssessmentStatisticsService', 
    'UnifiedGradingCalculator',
    'GradingStrategyFactory'
]