from django.shortcuts import render,get_object_or_404,get_list_or_404
from .models import RegistrationForm, Student, Guardian, Sibling
import time
from datetime import date, datetime, timedelta
from zoneinfo import ZoneInfo
from django.conf import settings
from N3wtSchool import renderers
from N3wtSchool import bdd

from io import BytesIO
from django.core.files import File
from pathlib import Path
import os
from enum import Enum

import random
import string
from rest_framework.parsers import JSONParser

def recupereListeFichesInscription():
    context = {
        "ficheInscriptions_list": bdd.getAllObjects(RegistrationForm),
    }
    return context

def recupereListeFichesInscriptionEnAttenteSEPA():

    ficheInscriptionsSEPA_list = RegistrationForm.objects.filter(modePaiement="Prélèvement SEPA").filter(etat=RegistrationForm.RegistrationFormStatus['SEPA_ENVOYE'])
    return ficheInscriptionsSEPA_list

def _now():
    return datetime.now(ZoneInfo(settings.TZ_APPLI))

def convertToStr(dateValue, dateFormat):
    return dateValue.strftime(dateFormat)

def convertToDate(date_time):
    format = '%d-%m-%Y %H:%M'
    datetime_str = datetime.strptime(date_time, format)

    return datetime_str

def convertTelephone(telephoneValue, separator='-'):
    return f"{telephoneValue[:2]}{separator}{telephoneValue[2:4]}{separator}{telephoneValue[4:6]}{separator}{telephoneValue[6:8]}{separator}{telephoneValue[8:10]}"

def genereRandomCode(length):
    return ''.join(random.choice(string.ascii_letters) for i in range(length))

def calculeDatePeremption(_start, nbDays):
    return convertToStr(_start + timedelta(days=nbDays), settings.DATE_FORMAT)

# Fonction permettant de retourner la valeur du QueryDict
# QueryDict [ index ] -> Dernière valeur d'une liste
# dict (QueryDict [ index ]) -> Toutes les valeurs de la liste
def _(liste):
    return liste[0]

def getArgFromRequest(_argument, _request):
    resultat = None
    data=JSONParser().parse(_request)
    resultat = data[_argument]
    return resultat

def rfToPDF(registerForm):
    # Ajout du fichier d'inscriptions
    data = {
        'pdf_title': "Dossier d'inscription de %s"%registerForm.student.first_name,
        'signatureDate': convertToStr(_now(), '%d-%m-%Y'),
        'signatureTime': convertToStr(_now(), '%H:%M'),
        'student':registerForm.student,
    }

    pdf = renderers.render_to_pdf('pdfs/dossier_inscription.html', data)

    PDFFileName = "Dossier_Inscription_%s_%s.pdf"%(registerForm.student.last_name, registerForm.student.first_name)
    pathFichier = Path(settings.DOCUMENT_DIR + "/" + PDFFileName)
    if os.path.exists(str(pathFichier)):
        print(f'File exists : {str(pathFichier)}')
        os.remove(str(pathFichier))

    receipt_file = BytesIO(pdf.content)
    registerForm.fichierInscription = File(receipt_file, PDFFileName)