from rest_framework import serializers
from location import models


class CountrySerializer(serializers.ModelSerializer):
    """Country serializer."""
    class Meta:
        model = models.Country
        fields = [
            'id',
            'name'
        ]


class RegionSerializer(serializers.ModelSerializer):
    """Region serializer"""
    country = CountrySerializer()

    class Meta:
        model = models.Region
        fields = [
            'id',
            'name',
            'code',
            'parent_region',
            'country'
        ]


class CitySerializer(serializers.ModelSerializer):
    """City serializer."""
    country = CountrySerializer()
    region = RegionSerializer()

    class Meta:
        model = models.City
        fields = [
            'id',
            'name',
            'code',
            'region',
            'country',
            'postal_code',
            'is_island',
        ]


class AddressSerializer(serializers.ModelSerializer):
    """Address serializer."""
    city = CitySerializer()
    longitude = serializers.DecimalField(max_digits=10, decimal_places=6)
    latitude = serializers.DecimalField(max_digits=10, decimal_places=6)

    class Meta:
        model = models.Address
        fields = [
            'city',
            'street_name_1',
            'street_name_2',
            'number',
            'postal_code',
            'longitude',
            'latitude'
        ]

    # def validate(self, attrs):
    #     geo_lat = attrs.pop('geo_lat') if 'geo_lat' in attrs else None
    #     geo_lon = attrs.pop('geo_lon') if 'geo_lon' in attrs else None
    #     if geo_lat and geo_lon:
    #         # Point(longitude, latitude)
    #         attrs['coordinates'] = Point(geo_lon, geo_lat)
    #     return attrs