from typing import Any
from django.shortcuts import render
from rest_framework import generics, viewsets
from .models import Student
from university.models import University, Agreement, Section
from .serializers import StudentSerializer, RecommendedClasses
from classes.serializers import ClassesSerializer

# Create your views here.
class StudentListCreate(generics.ListCreateAPIView):
    queryset = Student.objects.all()
    serializer_class = StudentSerializer

class StudentRetrieveUpdateDestroy(generics.RetrieveUpdateDestroyAPIView):
    queryset = Student.objects.all()
    serializer_class = StudentSerializer
    lookup_field = "w_number"

class RecommendedClassesView(generics.ListCreateAPIView):
    university = None
    classes = []
    serializer_class = ClassesSerializer
    lookup_field = "w_number"

    def myGuy(self, user):

        # Grabs student and appends their classes into Classes array
        for e in Student.objects.all():
            for mClass in e.classes.all():
                self.classes.append(mClass)

        # Grabs student, desired university, and desired major agreement from university
        # Finally grabs the sections from said agreement
        student = Student.objects.filter(user=user)[0]
        print(student)
        self.university = University.objects.filter(name=student.desired_university)
        agreement = Agreement.objects.filter(university=student.desired_university, major=student.major.major)
        section = Section.objects.filter(agreement=agreement.first())

        print(section)

        return self.compareSectionsToStudent(sections=section, student=student)

    def compareSectionsToStudent(self, sections, student):
        mClasses = []
        requiredAmount = 0
        print(f"WOAHHH {sections[0]}")

        # Grabs every section inside of the Agreement
        for section in sections:
            # print(f"\n Section Name{section.area_name} \n")
            requiredAmount = section.number_of_required_courses
            amount_added = 0

            # Grabs every course inside of section
            for mClass in section.classes.all():
                if mClass in student.classes.all():
                    amount_added += 1
                elif amount_added < requiredAmount:
                    mClasses.append(mClass)
                
            #     for student_course in student.classes.all():
            #         if(student_course == mClass and added_classes < requiredAmount):
            #             print(f"Match {student_course}")
            #         else:
            #             if (mClass not in mClasses):
            #                 mClasses.append(mClass)
            #                 added_classes+= 1

        return mClasses
                        
        # self.queryset = self.classes

    def get_queryset(self):
        user = self.request.user
        return self.myGuy(user=user)


        # for agreements in self.university