"""Product app serializers."""
from rest_framework import serializers
from utils.serializers import TranslatedField
from product.models import Product, ProductSubType, ProductType
from location.serializers import (WineRegionBaseSerializer, WineAppellationBaseSerializer,
                                 CountrySimpleSerializer)


class ProductSubTypeBaseSerializer(serializers.ModelSerializer):
    """ProductSubType base serializer"""
    name_translated = TranslatedField()
    index_name_display = serializers.CharField(source='get_index_name_display')

    class Meta:
        model = ProductSubType
        fields = [
            'id',
            'name_translated',
            'index_name_display',
        ]


class ProductTypeBaseSerializer(serializers.ModelSerializer):
    """ProductType base serializer"""
    name_translated = TranslatedField()
    index_name_display = serializers.CharField(source='get_index_name_display')

    class Meta:
        model = ProductType
        fields = [
            'id',
            'name_translated',
            'index_name_display',
        ]


class ProductBaseSerializer(serializers.ModelSerializer):
    """Product base serializer."""
    name_translated = TranslatedField()
    description_translated = TranslatedField()
    category_display = serializers.CharField(source='get_category_display')
    product_type = ProductTypeBaseSerializer()
    subtypes = ProductSubTypeBaseSerializer(many=True)
    wine_region = WineRegionBaseSerializer(allow_null=True)
    wine_appellation = WineAppellationBaseSerializer(allow_null=True)
    available_countries = CountrySimpleSerializer(source='country', many=True)

    class Meta:
        """Meta class."""
        model = Product
        fields = [
            'id',
            'name_translated',
            'category_display',
            'description_translated',
            'available',
            'product_type',
            'subtypes',
            'public_mark',
            'wine_region',
            'wine_appellation',
            'available_countries',
        ]