from rest_framework import serializers
from .models import ConnectionType, Connection
from qrtr_account.models import BankAccount


class ConnectionTypeSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = ConnectionType
        fields = ['url', 'name', 'filename']
        extra_kwargs = {
            'name': {'read_only': True},
            'filename': {'read_only': True}
        }

class ConnectionAccountSerializer(serializers.HyperlinkedModelSerializer):
    class Meta:
        model = Connection
        fields = ['pk', 'url', 'name', 'type']

class BankAccountReadSerializer(serializers.HyperlinkedModelSerializer):
    connection = ConnectionAccountSerializer(read_only=True)
    class Meta:
        model = BankAccount
        fields = ['pk', 'url', 'connection']

class ConnectionSerializer(serializers.HyperlinkedModelSerializer):
    bank_accounts = BankAccountReadSerializer(read_only=True, source='*')
    class Meta:
        model = Connection
        fields = ['url', 'name', 'type', 'credentials', 'bank_accounts']
        extra_kwargs = {
            'type': {'write_only': True},
            'credentials': {'write_only': True}
        }