from django.contrib.auth.models import User
from rest_framework import serializers

from .models import Profile, UserNotificationPreference


class UserSerializer(serializers.ModelSerializer):
    class Meta:
        model = User
        fields = ("id", "username", "email", "first_name", "last_name")


class RegisterSerializer(serializers.ModelSerializer):
    password = serializers.CharField(write_only=True, min_length=8)
    display_name = serializers.CharField(write_only=True, required=False, allow_blank=True)

    class Meta:
        model = User
        fields = ("id", "username", "email", "password", "display_name")

    def create(self, validated_data):
        display_name = validated_data.pop("display_name", "")
        user = User.objects.create_user(**validated_data)
        Profile.objects.create(user=user, display_name=display_name or user.username)
        UserNotificationPreference.objects.create(user=user)
        return user


class ProfileSerializer(serializers.ModelSerializer):
    user = UserSerializer(read_only=True)

    class Meta:
        model = Profile
        fields = (
            "id",
            "user",
            "display_name",
            "focus_area",
            "preferred_session_duration",
            "timezone",
            "spiritual_goal",
            "created_at",
            "updated_at",
        )


class UserNotificationPreferenceSerializer(serializers.ModelSerializer):
    class Meta:
        model = UserNotificationPreference
        fields = (
            "id",
            "push_enabled",
            "email_enabled",
            "sms_enabled",
            "quiet_hours_start",
            "quiet_hours_end",
            "created_at",
            "updated_at",
        )