import json
import os
from django.db.models.signals import post_migrate
from django.dispatch import receiver
from Establishment.models import Establishment
from School.models import Domain, Category, Competency, EstablishmentCompetency

@receiver(post_migrate)
def load_json_data(sender, **kwargs):
    if sender.name != "School":
        return

    # Chemin absolu vers le répertoire Back-End
    backend_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

    # Chemins vers les fichiers JSON
    json_files = [
        ("Cycle1.json", 1),
        ("Cycle2.json", 2),
        ("Cycle3.json", 3),
        ("Cycle4.json", 4),
    ]

    for file_name, cycle in json_files:
        json_file_path = os.path.join(backend_dir, "competences", file_name)

        if not os.path.exists(json_file_path):
            print(f"Fichier JSON introuvable : {json_file_path}")
            continue

        with open(json_file_path, 'r', encoding='utf-8') as file:
            data = json.load(file)

        for domain_data in data['domaines']:
            # Vérifiez si le domaine existe déjà
            domain, _ = Domain.objects.get_or_create(name=domain_data['nom'], cycle=cycle)

            for category_data in domain_data['categories']:
                # Vérifiez si la catégorie existe déjà
                category, _ = Category.objects.get_or_create(name=category_data['nom'], domain=domain)

                for competency_data in category_data['competences']:
                    # Vérifiez si la compétence existe déjà
                    competency, _ = Competency.objects.get_or_create(
                        name=competency_data['nom'],
                        end_of_cycle=competency_data.get('fin_cycle', False),
                        level=competency_data.get('niveau'),
                        category=category
                    )
        print(f"Données importées depuis : {json_file_path}")