from rest_framework import serializers
from .models import University, Agreement, Section

class UniversitySerializer(serializers.ModelSerializer):

    agreements = serializers.SlugRelatedField(
        many = True,
        read_only = True,
        slug_field="major"
    )

    class Meta:
        model = University
        fields = ["name", "agreements"]

class AgreementsSerializer(serializers.ModelSerializer):

    sections = serializers.SlugRelatedField(
        many = True,
        read_only = True,
        slug_field = "area_name"
    )

    class Meta:
        model = Agreement
        fields = ["major", "sections"]

class SectionsSerializer(serializers.ModelSerializer):

    classes = serializers.SlugRelatedField(
        many = True,
        read_only = True,
        slug_field = "MJC_Class_Name"
    )

    class Meta:
        model = Section
        fields = ["area_name", "number_of_required_courses", "classes"]