# Services pour la logique métier

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

# Legacy service - TODO: Migrer vers architecture moderne
# Import via path absolu pour éviter circularité
import sys
from pathlib import Path
sys.path.insert(0, str(Path(__file__).parent.parent))

try:
    # Import direct pour éviter la circularité
    from importlib import import_module
    spec_path = Path(__file__).parent.parent / 'services.py'
    if spec_path.exists():
        # Import dynamique du module legacy
        import importlib.util
        spec = importlib.util.spec_from_file_location("legacy_services", spec_path)
        legacy_module = importlib.util.module_from_spec(spec)
        spec.loader.exec_module(legacy_module)
        AssessmentService = legacy_module.AssessmentService
    else:
        raise ImportError("Legacy services.py not found")
except ImportError:
    # Fallback minimal
    class AssessmentService:
        """Fallback pour AssessmentService - migration required"""
        @staticmethod
        def process_assessment_with_exercises(*args, **kwargs):
            raise NotImplementedError("Legacy service not available")
        
        @staticmethod
        def create_assessment(*args, **kwargs):
            raise NotImplementedError("Legacy service not available")
        
        @staticmethod
        def update_assessment_basic_info(*args, **kwargs):
            raise NotImplementedError("Legacy service not available")

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