from django.contrib.auth import get_user_model
from rest_framework import serializers

from apps.salons.models import Review, Salon, SalonPhoto, Service, StaffProfile

User = get_user_model()


class SalonPhotoSerializer(serializers.ModelSerializer):
    class Meta:
        model = SalonPhoto
        fields = ["id", "image_url", "alt_text", "sort_order"]


class ServiceSerializer(serializers.ModelSerializer):
    class Meta:
        model = Service
        fields = ["id", "name", "description", "duration_minutes", "price_amount", "currency", "is_active"]


class StaffSerializer(serializers.ModelSerializer):
    name = serializers.SerializerMethodField()

    class Meta:
        model = StaffProfile
        fields = ["id", "name", "title", "bio", "is_active"]

    def get_name(self, obj):
        first = obj.user.first_name or ""
        last = obj.user.last_name or ""
        return (first + " " + last).strip() or obj.user.email


class ReviewSerializer(serializers.ModelSerializer):
    customer_name = serializers.SerializerMethodField()

    class Meta:
        model = Review
        fields = ["id", "rating", "comment", "created_at", "customer_name"]

    def get_customer_name(self, obj):
        first = obj.customer.first_name or ""
        last = obj.customer.last_name or ""
        return (first + " " + last).strip() or obj.customer.email


class SalonSerializer(serializers.ModelSerializer):
    class Meta:
        model = Salon
        fields = [
            "id",
            "name",
            "description",
            "address",
            "city",
            "phone_number",
            "email",
            "website",
            "rating_avg",
            "rating_count",
        ]


class SalonDetailSerializer(SalonSerializer):
    photos = SalonPhotoSerializer(many=True, read_only=True)
    services = ServiceSerializer(many=True, read_only=True)
    staff = StaffSerializer(many=True, read_only=True)
    reviews = ReviewSerializer(many=True, read_only=True)

    class Meta(SalonSerializer.Meta):
        fields = SalonSerializer.Meta.fields + ["photos", "services", "staff", "reviews"]